ML101760198

Northern States Power Co. (Prairie Island Nuclear Generating Plant, Units 1 & 2), Filed Initial Disclosures Regarding Prairie Island Communitys Safety Culture Contention

ML101760198
Person / Time
Site:	Prairie Island
Issue date:	06/25/2010
From:	Doris Lewis Northern States Power Co, Pillsbury, Winthrop, Shaw, Pittman, LLP
To:	Harris B, Mahowald P, Mizuno B, Matthew Smith NRC/OGC, Prairie Island Indian Community
SECY RAS
References
50-282-LR, 50-306-LR, ASLBP 08-871-01-LR-BD01, RAS 18051
Download: ML101760198 (172)

Text

www.pillsburylaw.com David R. Lewis tel 202.663.8474 david.lewis@pillsburylaw.com Pillsbury Winthrop Shaw Pittman LLP 2300 N Street, NW l Washington, DC 20037-1122 l tel 202.663.8000 l fax 202.663.8007 June 25, 2010 Beth N. Mizuno, Esq.

Brian G. Harris, Esq.

Maxwell C. Smith, Esq.

Office of the General Counsel Mail Stop O-15 D21 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Philip R. Mahowald, Esq.

General Counsel, Prairie Island Indian Community 5636 Sturgeon Lake Road Welch, MN 5508 Re:

Northern States Power Co. (Prairie Island Nuclear Generating Plant, Units 1 and 2), Docket Nos. 50-282-LR & 50-306-LR, ASLBP No. 08-871-01-LR

Dear Parties:

On June 18, 2010, Northern States Power Company - a Minnesota Corporation (NSPM) filed its initial disclosures regarding the Prairie Island Indian Communitys safety culture contention. In addition to documents identified in a production log, those disclosures included the following documents identified more generally by category and location: (1) e-mails and electronic documents produced by Brian Slack regarding the component cooling water system; and (2) documents from a search of PINGPs SharePoint records system. NSPMs disclosure stated that a listing of these additional categories would be provided shortly. provides a listing of documents in those two categories that have been identified as relevant to the safety culture contention as admitted, other than those for which a claim of privilege or protected status is being made. The documents and data compilations listed in Attachment 1 are available for review and copying at (1) the Prairie Island Nuclear Generating Plant Training Center, 1660 Wakonade Drive West, Welch, MN; and (2) the Offices of Pillsbury Winthrop Shaw Pittman LLP, 2300 N Street N.W.,

Washington D.C. A listing of documents in those two categories that are proprietary is

www.pillsburylaw.com provided in Attachment 2. A listing of documents in those two categories that are privileged is provided in Attachment 3.

Sincerely,

/Signed Electronically by David R. Lewis/

David R. Lewis Counsel for Northern States Power Co.

cc: Service List Attachments

www.pillsburylaw.com CERTIFICATE OF SERVICE I hereby certify that copies of NSPMs notification to the parties dated June 25, 2010, was provided to the Electronic Information Exchange for service on the individuals listed below, this 25th day of June, 2010.

Administrative Judge William J. Froehlich, Esq., Chair Atomic Safety and Licensing Board Mail Stop T-3 F23 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Email: wjf1@nrc.gov Administrative Judge Dr. Gary S. Arnold Atomic Safety and Licensing Board Mail Stop T-3 F23 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Email: gxa1@nrc.gov Administrative Judge Dr. Thomas J. Hirons Atomic Safety and Licensing Board Mail Stop T-3 F23 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Email: thomas.hirons@nrc.gov Secretary Attn: Rulemakings and Adjudications Staff Mail Stop O-16 C1 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 secy@nrc.gov; hearingdocket@nrc.gov Office of Commission Appellate Adjudication Mail Stop O-16 C1 U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 E-mail: ocaamail@nrc.gov Beth N. Mizuno, Esq.

Brian G. Harris, Esq.

Maxwell C. Smith, Esq, Office of the General Counsel Mail Stop O-15 D21 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 E-mail: beth.mizuno@nrc.gov; brian.harris@nrc.gov; maxwell.smith@nrc.gov Philip R. Mahowald, Esq.

General Counsel, Prairie Island Indian Community 5636 Sturgeon Lake Road Welch, MN 55089 pmahowald@piic.org

/Signed electronically by David R. Lewis/

David R. Lewis

ATTACHMENT 1 Northern States Power Co.

Prairie Island Nuclear Generating Plant, Units 1 and 2 License Renewal Proceeding Docket Nos. 50-282-LR, 50-306-LR; ASLBP No. 08-871-01-LR Supplemental Production Log for NSPMs Initial Disclosures Regarding Safety Culture Contention (June 25, 2010)

Document Number Description PROD00015073 8/28/2006 Action Request Record Report # 01010260 RE: Evaluate NRC Safety Culture Initiative Summary Results PROD00015074 NMC Employee Concerns Program Policy, 2/14/02 PROD00015075 7/15/2009 Risk Management for Supervisors PROD00015076 5/25/2005 NMC FLEET - Communication Skills For Supervisors PROD00015077 4/30/2007 NMC FLEET Leadership Development - Supervisory Training PROD00015078 Matrix of INPO and NRC principles re human performance PROD00015079 7/31/07 Organizational Excellence Performance Indicators PROD00015080 Monticello/Prairie Island Fitness for Duty Handbook, Rev. 7 PROD00015081 03/29/2010 Record of Revision - PI EAL Reference Manual PROD00015082 Response to NRC - Refueling Cavity Water Seal PROD00015083 50.59 Screening re Revisions of Procedures to support Lock valves to assure that Component Cooling water is permanently isolated from the Turbine building PROD00015084 05/11/1995 PINGP Operations Committee Meeting Minutes re Unite 2 Outage Preparation PROD00015085 09/10/2003 Employee Concerns Program template PROD00015086 02/10/2005 Human Performance Program and error reduction tools establishment PROD00015087 10/16/2003 letter from P. Louden of NRC to J. Solymossy re PINGP NRC Problem Identification and Resolution Inspection Report PROD00015088 01/23/2004 letter from P. Louden of NRC to J. Solymossy re PINGP NRC Integrated Inspection Report PROD00015089 12/10/2003 letter from J. Solymossy to NRC re PINGP Safety Evaluation Summary Report PROD00015090 01/07/2004 letter from J. Solymossy to NRC re PINGP Unit 2 Inservice Inspection Summary Report, Interval 3, Period 3 PROD00015091 04/28/2004 letter from K. Gruss of NRC to J. Solymossy re PINGP NRC Integrated Inspection Report PROD00015092 07/29/2004 letter from M. Shuaibi of NRC to J. Solymossy re PINGP NRC Integrated Inspection Report PROD00015093 10/29/2004 letter from A.M. Stone of NRC to J. Solymossy re PINGP NRC Integrated Inspection Report PROD00015094 04/25/2003 letter from P. Louden of NRC to J. Solymossy re PINGP NRC Integrated Inspection Report PROD00015095 01/30/2004 Nuclear Oversight 4th Quarter 2003 Assessment Report for Prairie Island PROD00015096 04/30/2003 Nuclear Oversight 1st Quarter 2003 Assessment Report for Prairie Island PROD00015097 05/13/2004 Nuclear Oversight 1st Quarter 2004 Assessment Report for Prairie Island PROD00015098 08/19/2004 Nuclear Oversight 2nd Quarter 2004 Assessment Report for Prairie Island PROD00015099 09/30/2004 Nuclear Oversight 3rd Quarter 2004 Assessment Report for Prairie Island

2 Document Number Description PROD00015100 08/08/2003 Nuclear Oversight 2nd Quarter 2003 Assessment Report for Prairie Island PROD00015101 Nuclear Oversight 3rd Quarter 2003 Assessment Report for Prairie Island PROD00015102 Reactor Coolant System Unit 1 PROD00015103 Reactor Coolant System Pressure Isolation Check Value Leakage Test PROD00015104 Containment Penetration Outrage Preparation and Outrage Restoration Procedure PROD00015105 Leakage examination of canopy seals, mechanical joints and other pressure retaining components on the reactor vessel head PROD00015106 Work Order: BA at body-to-bonnet joint-22 PROD00015107 2003 Cavity Leakage Observations and Action Request PROD00015108 Email from R. Bes to Engineer System Group, Operations shift managers, Re: 2003 PINGP Equipment Performance Annual Report PROD00015109 06/02/04 "Continuous Use Procedure Day" Notes, Surveys and Report and Self-Assessments PROD00015110 08/18/06 Action Request Record Report - Corrective Actions on the Non-CAP side of track PROD00015111 09/12/04 Action Request - Refueling Cavity Leakage PROD00015112 09/12/04 Action Request - Boric Acid Accumulation PROD00015113 09/13/04 Activity Request - Evidence of Internal boric acid PROD00015114 10/31/04 Activity Request - Boric Acid Leak Discovered PROD00015115 08/18/06 Action Request Record Report - Cooling Water Leak PROD00015116 01/28/05 NMC Today - Newsletter for PINGP and 02/07/05 Action Request on Unfinished CAPs PROD00015117 March 2005 Maintenance Training Program Self Evaluation PROD00015118 04/05/05 PINGP Emergency Preparedness Readiness Assessment PROD00015119 03/12/05 Action Request - Self-Assessment of PINGP Repeat Maintenance Program PROD00015120 04/29/05 Activity Request - Organizational Effectiveness Assessment with regard to personnel performance management plans PROD00015121 7/21/2006 Action Request Record Report CAP 01033734 redry boric acid on 11 RCP seal housing PROD00015122 2/5/2009 Action Request Report Record CAP 01052607 re adverse trend CAP due date extensions PROD00015123 1/25/2007 Action Request Report Record Report CAP 01062477 re standing water found in 21 RCP pump bowl PROD00015124 3/4/2009 Action Request Record Report re refuel cavity leakage walkdown PROD00015125 11/2/2009 Action Request Record Report rev 2 CAP 01072605 re revised U2 FW analysis has new HELB cracks PROD00015126 3/10/2008 Action Request Report Record CAP 01082918 re Common Human Performance Occurrence PROD00015127 6/6/2009 Action Request Record Report re DRUM PI has not been effective at resolving issues through CAP PROD00015128 3/23/2009 Action Request Record Report CAP 01088616 re operation adverse trend in human performance PROD00015129 1/11/2008 Action Request Record Report CAP 01097220 re negative trend in overdue caps PROD00015130 1/7/2008 Action Request Record Report CAP 01100052 re QA finding CAPR closed without completion

3 Document Number Description PROD00015131 3/14/2008 Action Request Record Report re struggle with full implementation of the CAP program tracking/trending process PROD00015132 4/22/2008 Action Request Record Report re FSA-Culture Survey finding a priority PROD00015133 4/2/2009 Action Request Report Record re FSA Perform safety culture survey PROD00015134 7/7/2008 Action Request Record Report re errors in administration of level A and B CAPs PROD00015135 Action Request Record Report for the Prairie Island facility. Dtd 12/13/2007 PROD00015136 Action Request Report 02/27/2008 - CAP Reopened PROD00015137 Action Request Report 02/18/2008 - CAP Reopened PROD00015138 Action Request Report 03/17/2009 - CAP - 4 Training programs Red PROD00015139 Action Request Record Report 12/14/2009 Rev 2 CAP analyses PROD00015140 Action Request Report 02/08/2008 - CAP re to Performance Improvement PROD00015141 Action Request Report 02/08/2008 - CAP re to Human Errors. See Human Performance Event Investigative Tool on page 13 PROD00015142 Action Request Report 03/27/2008 - CAP re to Performance Improvement - CAP Closure Procedures PROD00015143 Action Request Report 07/07/2008 - CAP re Performance Improvement to CAP deficiencies PROD00015144 02/13/2008 Action Request Report - CAP re to Performance Improvement - Cross-Cutting issues.

PROD00015145 06/24/2008 Action Request Report - CAP re to Eng Sys NSSS/Reactor - Borated water leakage.

PROD00015146 05/14/2008 Action Request Report - CAP re to Eng Sys NSSS/Reactor - Borated water leakage.

PROD00015147 05/13/2008 Action Request Record Report - Performance Improvement - Corrective Actions PROD00015148 10/20/2008 Action Request Record Report - CAP re 2 issues with CAP PROD00015149 10/20/2008 Action Request Record Report - CAP re main turbine 5 year inspection revealed a closed pump that had to be opened. See page 2 PROD00015150 03/09/2008 Action Request Record Report - CAPs re Refueling Cavity leak PROD00015151 03/09/2008 Action Request Record Report - CAPs re Refueling Cavity leak and Boric Acid / Borated Water PROD00015152 03/13/2008 Action Request Record Report - CAPs re Refueling Cavity leak and boric acid / borated water PROD00015153 03/27/2008 Action Request Record Report - QA / Nuc Oversight - re mispositioned valve PROD00015154 03/27/2008 Action Request Record Report - QA / Nuc Oversight - re component cooling water system design functions PROD00015155 04/04/2008 Action Request Record Report - Performance Improvement - re CAP improvements PROD00015156 4/11/2008 Action Request Record Report - Operations Support-re human errors PROD00015157 04/24/2008 Action Request Record Report - Performance Improvement-Cross-Re: Cutting Index PROD00015158 03/27/2008 Action Request Record Report - Performance Improvement - re weakness in recognizing significant issues that warrant creating a CAP.

PROD00015159 11/06/2008 Action Request Record Report # 01144381 RE: Trend in CAPs Awaiting Trending For Closeout PROD00015160 7/21/2008 Action Request Record Report - Adverse Trend Noted During 2nd Quarter Engineering DRUM Report

4 Document Number Description PROD00015161 7/22/2008 Action Request Record Report # 01144922 re: Potential Trend in Worker Practices PROD00015162 04/03/2009 Action Request Record Report PROD00015163 11/10/2008 Action Request Record Report CAP Screened to wrong severity level PROD00015164 10/03/2008 Action Request Record Report Safety Culture Assessment Review PROD00015165 1/14/2009 Action Request Record Report assessment for incorrect CAP classifications PROD00015166 02/12/2009 Action Request Record Report - CAPS closed without evaluations PROD00015167 11/17/2008 Action request Record Report - Improper closure of CAPS for ALARA planning issues PROD00015168 01/15/2009 Action Request Record Report - Inappropriate Closure of B Level CAP Actions PROD00015169 02/09/2009 Action Request Record Report - No CAP issued for ACE Failain Grading Criteria PROD00015170 10/4/2008 Action Request Record Report # 01153803 RE: CC Leaks from Restoration of Pump and Subsequent Reisolation PROD00015171 10/10/2008 Action Request Record Report # 01154831 RE: Potential Adverse Trend in Conservative Assumptions PROD00015172 10/10/2008 Action Request Record Report # 01154838 RE: Potential Adverse Trend in Corrective Actions PROD00015173 10/14/2008 Action Request Record Report # 01155223 RE: adverse trend: cap screen team assigned actions not taken PROD00015174 11/17/2008 Action Request Record Report # 01159448 RE: USA Safety Culture FSA Weakness #2 - Work Force Planning PROD00015175 11/17/2008 Action Request Record Report # 01159473 RE: USA Safety Culture FSA Weakness #3 - Lack of Confidence PROD00015176 11/17/2008 Action Request Record Report # 01159478 RE: Safety Culture FSA Weakness #4 - Culture of Prevention PROD00015177 11/28/2008 Action Request Record Report # 01160725 RE: Various CAP Processing Milestone Issues PROD00015178 12/8/2008 Action Request Record Report # 01161675 RE: RCE 1157726 Identified Potential safety Culture Issues PROD00015179 5/11/2009 Action Request Report re: NRC questions on refueling pool leakage PROD00015180 6/26/2009 Action Request Record Report re: reopened CAP due to actions not adequate to close the issue PROD00015181 5/10/2010 Action Request Record Report re: CAP concerned with personnel risk tolerance PROD00015182 5/11/2010 Action Request Record Report re: personnel failing to use the Human Performance tools-CAP PROD00015183 8/28/2009 Action Request Record Report re: EP related weaknesses that have not been resolved using the CAP PROD00015184 9/25/2009 Action Request Record Report re: Corrective Action closed without task being done-CAP PROD00015185 8/28/2009 Action Request Record Report re: CAP went past due date without actually been corrected PROD00015186 8/6/2009 Action Request Record Report re: CAP closed without actual task completion PROD00015187 8/25/2009 Action Request Record Report re: CAPs exceeded due dates without completion PROD00015188 10/12/2009 Action Request Record Report re: CAP closed without actual task completion

5 Document Number Description PROD00015189 10/12/2009 Action Request Record Report re: CAP closed without actual task completion PROD00015190 11/2/2009 Action Request Record Report re: CAP closed without actual task completion PROD00015191 9/16/2009 Action Request Record Report re: CAP closed without actual task completion PROD00015192 10/1/2009 Action Request Record Report re: CAP closed without actual task completion PROD00015193 11/19/2009 Action Request Record Report regarding site cross cutting index PROD00015194 Action Request Record Report RE: Examples or CAPs not being screened in a timely manner (3/19/2010) and attachment.

PROD00015195 Action Request Record Report RE: Possible Human Performance Error Trap, D5.2 "Rx Refueling" (3/18/2010).

PROD00015196 Action Request Record Report RE: Opened relief valve SA-54-3, D1 DSL Gen Main Air Rcvr Relief (5/19/2010) and attachments.

PROD00015197 Action Request Record Report RE: "5" level CAP incorrectly closed (5/5/2010) and attachments.

PROD00015198 Action Request Record Report RE: Two Corrective Actions not performed as requested (5/5/2010).

PROD00015199 Action Request Record Report RE: PI Security long-term positive trend; human performance (5/18/2010).

PROD00015200 Action Request Record Report RE: Human Performance Error Trap on Unit 2 PW Sample Cooler (5/21/2010).

PROD00015201 Action Request Record Report RE: CAP action completion performed on the wrong form (5/10/2010).

PROD00015202 Emergency Plan Drill Conducted on Nov. 5, 2003 Critique Report (12/9/2003)

PROD00015203 Safety Conscious Work Environment (SCWE) issues from the Regulatory information (4/8/2004)

PROD00015204 Human Performance Error during Solid State Protection System and Reactor Trip Breaker Operability Testing Results in Vogtle Unit 2 Reactor Trip PROD00015205 Action Request Record Report - Internal OE DAEC RCE001035 (5/8/2006) and attachments.

PROD00015206 Action Request Record Report - Performance of NRC Licensed Individuals While on Duty with Respect to Control Room attentiveness (11/8/2007) and its attachments.

PROD00015207 Action Request Record Report - An approach for determining the technical adequacy of probabilistic risk assessment results for risk-informed activities. (3/20/2008) and its attachments.

PROD00015208 Action Request Record Report - Station OE Evaluation of INPO LHRA and HRA Good Practices (6/2/2008) and attachments.

PROD00015209 Action Request Record Report - Human Performance Analysis determined a driver to be coaching and engagement (5/9/2008) and attachments.

PROD00015210 06/06/3008, Author: G. Woodhouse, AT-0175 Action Request Record Report, Re: Results of Material Control and Accounting Baseline Inspections Conducted at Nuclear Power Reactors and Wet Storage Sites PROD00015211 06/24/2008, G. Woodhouse, AT-0175 Action Request Record Report, Re: Evaluation of discrepancies at Plant's Boiler Licensing Program PROD00015212 09/19/06 Action Record Request on Revision to 11 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedures PROD00015213 09/21/06 Action Request Record Report - Revisions to 11 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedures

6 Document Number Description PROD00015214 09/22/06 Action Request Record Report - Revision to Reactor Coolant System Integrity Test Procedure PROD00015215 09/25/06 Revision to 22 Turbine Driven Aux Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00015216 01/12/07 Action Request Record Report - Changes to 11 Turbine Driven Aux Feed Refueling Inspection Maintenance Procedures PROD00015217 09/06/07 Action Request Record Report - Changes to 11 Turbine Driven Aux Feed Pump Maintenance Procedures PROD00015218 10/04/06 Action Request Record Report - Changes to Boric Acid Corrosion Control Program PROD00015219 10/17/07 Action Request Record Report - changes to Boric Acid Corrosion Examinations PROD00015220 01/12/07 Action Request Record Report - changes to 11 Turbine Driven Aux Feed Pump Refueling Inspection Maintenance Procedures PROD00015221 10/16/06 Action Request Record Report - changes to 22 Turbine Driven Aux Feed Pump Refueling Inspection Maintenance Program PROD00015222 10/17/07 Action Request Record Report - changes to Reactor Coolant System Integrity Test procedures PROD00015223 09/05/06 Action Request Record Report - changes to Auxiliary Feedwater System Design Bases Document PROD00015224 10/03/06 Action Request Record Report - changes to Design Bases Document for the Cooling Water System PROD00015225 10/11/06 Action Request Record Report - changes to Reactor Coolant System Integrity Test PROD00015226 01/12/07 Action Request Record Report - changes to 11 Turbine Driven Aux Feed Pump Refueling Inspection maintenance procedure PROD00015227 10/23/06 Action Request Record Report - changes to Conduct of Operations Section Work Instructions PROD00015228 01/04/08 Action Request Record Report - changes to 11 Turbine Driven Aux Feed Pump Refueling Inspection maintenance procedure PROD00015229 10/23/06 Action Request Record Report - changes to 22 Turbine Driven Aux Feed Pump Inspection maintenance report PROD00015230 12/04/06 Action Request Record Report - changes to 22 Turbine Driven Aux Feed Pump Refueling Inspection maintenance report PROD00015231 04/17/08 Action Request Record Report - High Energy Line Break/Leak Plant Safety Procedures PROD00015232 01/15/07 Action Request Record Report - changes to 22 Turbine Driven Aux Feed Pump Refueling Inspection PROD00015233 01/25/08 Action Request Record Report - changes to 12 Diesel Cooling Water Pump Inspection Maintenance Procedure PROD00015234 04/11/07 Action Request Record Report - changes to Boric Acid Corrosion Control Program PROD00015235 10/18/07 Action Request Record Report - changes to 22 Turbine Driven Aux Feed Pump Refueling PROD00015236 07/06/07 Action Request Record Report - changes to Plant Equipment Control Process, specifically Valves PROD00015237 10/22/07 Action Request Record Report - Leak Mgmt Program PROD00015238 10/22/07 Action Request Record Report - changes to Boric Acid Corrosion Control Program PROD00015239 11/19/07 Action Request Record Report - Leak Management Program PROD00015240 10/22/07 Action Request Record Report - Boric Acid Corrosion Program

7 Document Number Description PROD00015241 02/15/08 Action Request Record Report - changes to Responsibilities of the Radiation Survey Teams during a Radioactive Airborne Release PROD00015242 01/10/08 Action Request Record Report - changes to 11 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00015243 01/29/08 Action Request Record Report - 22 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00015244 05/12/08 Action Request Record Report - changes to TDAFWP Turbine Minor Periodic Maintenance PROD00015245 05/12/08 Action Request Record Report - changes to TDAFWP Turbine Major Periodic Maintenance PROD00015246 05/12/08 Action Request Record Report - 22 Turbine Driven Aux Feed Pump Controls Calibration and Maintenance PROD00015247 09/23/08 Action Request Record Report - Operations Emergency Surveys PROD00015248 12/21/07 Action Request Record Report - Boric Acid Corrosion Control Program PROD00015249 04/24/09 Action Request Record Report - Boric Acid Corrosion Program PROD00015250 7/1/2008 AT-0175 Action Request Record Report re: new tube plugging limit for CCHX on H21 PROD00015251 5/5/2009 AT-0175 Action Request Record Report re: boric acid corrosion examinations inside containment PROD00015252 5/5/2009 AT-0175 Action Request Record Report re: boric acid corrosion examinations inside containment.

PROD00015253 4/30/2008 AT-0175 Action Request Record Report re: revisions to Industrial Safety Work Practices PROD00015254 4/30/2008 AT-0175 Action Request Record Report re: procedure revision for Isolation, Restoration, & Testing of 22 Aux Feed Pump PROD00015255 2/27/08 AT-0175 Action Request Record Report re: Emergency Preparedness Drill/Exercise Worksheet Rev 2 PROD00015256 2/18/08 AT-0175 Action Request Record Report re: changes to bypass procedure to remove human performance trap PROD00015257 7/1/08 AT-0175 Action Request Record Report re: reactor Vessel Bottom Head Bare Metal Visual Examination PROD00015258 2/20/08 AT-0175 Action Request Record Report re: Isolation, Restoration and Testing of 11 Aux Feed Pump PROD00015259 2/27/08 AT-0175 Action Request Record Report re: revisions to Drill/Exercise Objectives Matrix PROD00015260 4/30/08 AT-0175 Action Request Record Report re: H2, Boric Acid Corrosion Control Program Rev 12 PROD00015261 5/1/08 AT-0175 Action Request Record Report re: Industrial Safety Work Practices Rev 7 PROD00015262 7/31/09 AT-0175 Action Request Record Report re: F10 App D, Significant Hazard Events PROD00015263 2/27/08 AT-0175 Action Request Record Report re: One time use TCR 11 TDAFWP Minor Periodic Maintenance PROD00015264 6/11/09 AT-0175 Action Request Record Report re: change to CC HX travel stop action procedures PROD00015265 6/11/09 AT-0175 Action Request Record Report re: CC HX travel stop action procedures.

PROD00015266 7/1/08 AT-0175 Action Request Record Report re: revision of 5AWI 15.6.0 to reference one source commitment to NRC that had not been previously referenced in Table 5, and change from CHAMPS commitment numbers to Passport.

8 Document Number Description PROD00015267 4/17/08 AT-0175 Action Request Record Report re: revision of procedures to check positions of manual isolation valves on cooling water system branch lines during seismic activity.

PROD00015268 4/18/08 AT-0175 Action Request Record Report re: revisions of SWI O-10 to correct and update commitment information and Passport AR numbers PROD00015269 12/09/08 AT-0175 Action Request Record Report re: incorporate TCR to SP 1070 Rev 38 (Reactor Coolant System Integrity Test)

PROD00015270 7/17/08 AT-0175 Action Request Record Report re: suggested procedure enhancements to 5AWI 3.6.0 Rev 23 Reporting and NRC Notices of Violation PROD00015271 12/2/08 AT-0175 Action Request Record Report re: Loss of All Safeguards AC Power PROD00015272 12/2/08 AT-0175 Action Request Record Report re: Loss of All Safeguards AC Power PROD00015273 7/31/08 AT-0175 Action Request Record Report re: Isolation, Restoration and Testing of 11 Aux Feed Pump PROD00015274 5/12/08 AT-0175 Action Request Record Report re: Earthquakes PROD00015275 4/23/08 AT-0175 Action Request Record Report re: Unit 1 Shutdown PROD00015276 4/23/08 AT-0175 Action Request Record Report re: Isolation, Restoration and Testing of 11 Aux Feed Pump PROD00015277 7/17/08 AT-0175 Action Request Record Report re: Isolation, Restoration and Testing of 11 Aux Feed Pump Rev 1 PROD00015278 7/17/08 AT-0175 Action Request Record Report re: Isolation, Restoration and Testing of 11 Aux Feed Pump Rev 1 PROD00015279 4/7/09 AT-0175 Action Request Record Report re: Reactor Coolant System Integrity Test SP 1070 Rev 38 PROD00015280 10/02/08 AT-0175 Action Request Record Report re: Reactor Coolant System Integrity Test SP 2070 Rev 36 PROD00015281 5/12/08 AT-0175 Action Request Record Report re: Earthquakes AB-3 Rev 25 PROD00015282 5/12/08 AT-0175 Action Request Record Report re: Unit 1 Shutdown 1C1.3 Rev 61 PROD00015283 5/12/08 AT-0175 Action Request Record Report re: Unit 2 Shutdown procedure 2C1.3 Rev 61 PROD00015284 9/3/08 AT-0175 Action Request Record Report re: Shutdown from Outside the Control Room - Unit 2 PROD00015285 9/3/08 AT-0175 Action Request Record Report re: Cooldown from Outside the Control Room - Unit 2 PROD00015286 9/3/08 AT-0175 Action Request Record Report re: 22 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test, Sp 2301 Rev 19 PROD00015287 9/3/08 AT-0175 Action Request Record Report re: corrective action to review the bypass procedure to provide clarity and remove human performance traps PROD00015288 7/2/08 Action Request Record Report re: Procedure Program requirements 5AWI 1.5.0 Rev 20 PROD00015289 8/14/08 AT-0175 Action Request Record Report re: Tornado/Severe Thunderstorm/High Winds PROD00015290 1/16/09 AT-0175 Action Request Record Report re: Emergency Operating Procedure Verification, Validation &

Maintenance PROD00015291 8/12/08 AT-0175 Action Request Record Report re: Tornado, Severe Thunderstorm/High Winds AB-2 Rev 30 PROD00015292 8/12/08 AT-0175 Action Request Record Report re: Tornado/Severe Thunderstorm/High Winds AB-2 Rev 31

9 Document Number Description PROD00015293 10/18/08 AT-0175 Action Request Record Report re: Shutdown from Outside the Control Room - Unit 1 1C1.3 AOP1 Rev 11 PROD00015294 10/18/08 AT-0175 Action Request Record Report re: Cooldown from Outside the Control Room - Unit 1 1C1.3 AOP2 Rev 4 PROD00015295 11/7/08 AT-0175 Action Request Record Report re: Tornado/Severe Thunderstorm/High Winds AB-2 Rev 32 PROD00015296 3/25/2009 by Ben Horner Action Request Record Report Incorporate correction made by inspectors during SR25 performance of the SO under WO 290019. SP Unit 2 Mid-Cycle and Refueling Outage Boric Acid Corrosion Examinations Inside Containment PROD00015297 11/10/2008 Action Request Record Report # 01158721 RE: Emergency Manager Checklist PROD00015298 11/17/2008 Action Request Record Report # 1159359 RE: Radioactive Shipment PROD00015299 11/17/2008 Action Request Record Report # 1159361 RE: Radioactive Shipment PROD00015300 11/17/2008 Action Request Record Report # 1159362 RE: Radioactive Shipment PROD00015301 11/17/2008 Action Request Record Report # 1159363 RE: Radioactive Shipment PROD00015302 11/17/2008 Action Request Record Report # 1159364 RE: Radioactive Shipment PROD00015303 11/17/2008 Action Request Record Report # 1159365 RE: Radioactive Shipment PROD00015304 11/17/2008 Action Request Record Report # 01159443 RE: Metal Fatigue Management Program PROD00015305 11/23/2008 Action Request Record Report # 01160199 RE: Emergency Response computer System Operating Procedure PROD00015306 12/4/2008 Action Request Record Report # 01161358 RE: Radiological Emergency Coordinator Checklist PROD00015307 12/4/2008 Action Request Record Report # 01161374 RE: Activation and Operation of Technical Support Center PROD00015308 12/5/2008 Action Request Record Report # 01161564 RE: Valve Positioning PROD00015309 12/7/2008 Action Request Record Report # 01161612 RE: Add precaution to verify position of FO-27-1 by removing valve operator and observing arrow etched into valve stem PROD00015310 12/8/2008 Action Request Record Report # 01161734 RE: Plant Equipment Control Process PROD00015311 12/11/2008 Action Request Record Report # 01162090 RE: 4TH Interval Inservice Inspection Plan PROD00015312 12/26/2008 Action Request Record Report # 01163659 RE: Reporting and NRC Notices of Violation PROD00015313 12/26/2008 Action Request Record Report # 01163664 RE: 10CFR and Tech Spec Reporting Requirements PROD00015314 12/31/2008 Action Request Record Report # 01164032 RE: CC Long term operation PROD00015315 1/6/2009 Action Request Record Report # 01164541 RE: Containment at Power Quarterly Inspection PROD00015316 1/7/2009 Action Request Record Report # 01164634 RE: Emergency Notifications PROD00015317 1/12/2009 Action Request Record Report # 01165179 RE: Leakage Examination of Pressure Retaining Component PROD00015318 1/14/2009 Action Request Record Report # 01165358 RE: Packaging of RAD Material for Shipment

10 Document Number Description PROD00015319 1/20/2009 Action Request Record Report # 01166050 RE: Offsite Dose Calculation Manual PROD00015320 1/22/2009 Action Request Record Report # 01166322 RE: Emergency Preparedness PROD00015321 1/22/2009 Action Request Record Report # 01166339 RE: Inservice Inspection and Pressure Testing PROD00015322 1/23/2009 Action Request Record Report # 01166584 RE: Surveillance and Periodic Test Program PROD00015323 1/26/2009 Action Request Record Report # 01166772 RE: Reactor Refueling Operation PROD00015324 1/26/2009 Action Request Record Report # 01166796 RE: Procedure Program PROD00015325 1/26/2009 Action Request Record Report # 01166814 RE: Mixed Low-level Radioactive and Hazardous Waste PROD00015326 1/30/2009 Action Request Record Report # 01167460 RE: Chemical Leak or Spill Implementing Procedure PROD00015327 2/1/2009 Action Request Record Report # 01167658 RE: Onsite Emergency Organization PROD00015328 2/1/2009 Action Request Record Report # 01167659 Emergency Action Level Technical Bases PROD00015329 2/1/2009 Action Request Record Report # 01167660 RE: Emergency Operations Facility Organization PROD00015330 2/1/2009 Action Request Record Report # 01167661 RE Transfer to the Backup EOF PROD00015331 2/10/2009 Action Request Record Report # 01168788 RE: Industrial Safety Work Practices PROD00015332 2/10/2009 Action Request Record Report # 01168858 RE: Reactor Vessel Integrity Program PROD00015333 2/11/2009 Action Request Record Report # 01169035 RE: Maintenance Rule Program PROD00015334 2/17/2009 Action Request Record Report # 01169807 Reactivity Management PROD00015335 2/19/2009 Action Request Record Report # 01170018 RE: Discrete Radioactive Particle Program PROD00015336 2/19/2009 Action Request Record Report # 01170089 RE: Security Computer System Disaster Recovery PROD00015337 2/25/2009 Action Request Record Report # 01170798 Emergency Preparedness Drill/Exercise Development PROD00015338 2/26/2009 Action Request Record Report # 01170900 RE: Emergency Notification Report Form PROD00015339 2/26/2009 Action Request Record Report # 01170975 RE: Plant Equipment Control Process PROD00015340 3/2/2009 Action Request Record Report # 01171385 RE: Discrete Radioactive Particle Program PROD00015341 3/2/2009 Action Request Record Report # 01171412 RE: Packaging of Radioactive Material For Shipping PROD00015342 3/2/2009 Action Request Record Report # 01171425 RE: Isolation of HELB Steps PROD00015343 5/26/200 Action Request Record Report 9 #01183195 RE: Emergency Plan Update PROD00015344 1/6/2010 Action Request Record Report re: AR No.: 01195791 orig date 8/31/2009 due date 11/27/2009 Add reference to New PINGP 1686 Participant Critique Form PROD00015345 1/15/10 Action Request Report Form re: ARNo.: 01197236 orig date 9/11/2009 dud date 12/11/2009 packaging of radioactive material PROD00015346 5/15/2004 2004 NMC Employee Concerns Program Self-Assessment Report PROD00015347 3/31/2003 Self Assessment of RO/SRO Program, Operator License Training PROD00015348 6/25/2009 Action Request Record Report re: AR No.: 00449287 orig date: 6/5/2003 Deficiencies in Section XI R/R program not promptly corrected PROD00015349 7/12/2003 AR 027203027203Self-Assessment, Operator perception addressing equipment issues, including training on SOER 02-04 as of action to address CAP 28849

11 Document Number Description PROD00015350 7/12/2003 AR 027204027204Self-Assessment, Operator perception addressing equipment issues, including training on SOER 02-04, SA to evaluate closure of CAP 28849 PROD00015351 4/15/2004 Email from Terrill Bacon to Timothy McDonald re: Management exception applied to AR, attaching Corrective Action Effectiveness Review among other things PROD00015352 11/2/2003 Activity Request Id-028925 Assess results of Emergency Preparedness Self Assessment PROD00015353 6/25/2009 Action Request Record Report re: AR No.: 00585463 orig date: 3/11/2004, assessment of Corrective Action Closeout PROD00015354 6/25/2009 Action Request Record Report re: AR No.: 00585470 orig date 3/11/2004 snapshot self-assessment of Corrective Action Closeout PROD00015355 4/7/2004 Activity Request Id-032740 Focused Self-Assessment of CAP Effectiveness PROD00015356 10/1/2004 Activity Request Id-035155 Focused Self-Assessment of Operations PROD00015357 1/3/2005 Activity Request Id-036553 Self-Assessment of Maintenance training programs PROD00015358 2/11/2005 Activity Request Id-037265 Self-Assessment baseline of Emergency Preparedness PROD00015359 2/11/2005 Activity Request Id-037268 Self -Assessment Safety System Design and Performance PROD00015360 2/11/2005 Activity Request Id-037269 Self-Assessment Repeat Maintenance Program effectiveness PROD00015361 6/25/2009 Action Request Record Report re: A/R No.: 00807306 orig date: 2/11/2005 Self-Assessment of operating experience PROD00015362 2/11/2005 Activity Request Id-037272 re: self-assessment Annual Radiation Protection Program PROD00015363 2/11/2005 Activity Request Id-037273 Focused Self-Assessment of ALARA occupation radiation safety 1st quarter 2005 PROD00015364 2/11/2005 Activity Request Id-037274 Focused Self Assessment site observation program PROD00015365 2/23/2005 Activity Request Id-037422 Self-Assessment organizational effectiveness PROD00015366 6/25/2009 Action Request Record Report re: AR No.: 00828386 orig date: 4/4/2005 Focused Self-Assessment Work It Now Team effectiveness PROD00015367 6/25/2009 Action Request Record Report re: AR No.: 08828390 Focused Self-Assessment Operations Human Performance PROD00015368 6/25/2009 Action Request Record Report re: AR No.: 00828399 orig date: 4/4/2005 Focused Self-Assessment PI Problem Identification and Resolution Process PROD00015369 4/4/2005 Activity Request Id-038110 Focused Self-Assessment of Fire Brigade PROD00015370 3/26/2007 Action Request Record Report re: AR NO.: 01000875 orig date: 10/12/2005 Self-Assessment Annual Radiation Protection Program PROD00015371 5/5/2006 Action Request Record Request re: AR No.:01012361 orig date: 1/29/2006 4th quarter DRUM for Operations PROD00015372 3/30/2007 Action Request Record Report re: AR No.: 01025522 orig date: 4/21/2006 Focused Self-Assessment Work Management Process PROD00015373 3/30/2007 Action Request Record Report re: AR No.: 01028387 1st Quarter Engineering DRUM Report

12 Document Number Description PROD00015374 403/2007 Action Request Record Report re: AR No.: 01040086 orig date: 7/17/2006 2nd Quarter DRUM Report

-Security PROD00015375 4/3/2007 Action Request Record Report re: AR No.: 01040980 orig date: 7/24/2006 4th Quarter DRUM-Training PROD00015376 4/3/2007 Action Request Report Record re: AR No.: 01042167 orig date: 7/31/2006 2nd Quarter DRUM-Operations PROD00015377 432007 Action Request Record Report re: AR No.: 01051500 orig date: 9/21/2006 3rd Quarter DRUM-Operations PROD00015378 12/5/2007 Action Request Record Report re: AR No.: 01064108 orig date: 11/28/2006 Snapshot Self-Assessment in preparation for Component Design Basis Inspection PROD00015379 11/20/2009 Action Request Record Report re: AR No.: 01076157 orig date: 2/7/2007 Focused Self-Assessment Performance improvement PROD00015380 3/12/2009 Action Request Record Report re: AR No.: 01078649 orig date; 2/22/2007 Focused Self -Assessment workplace safety PROD00015381 5/15/2009 Action Request Record Report re: AR No.: 01078679 orig date: 2/22/2007 Focused Self-Assessment Welding Program PROD00015382 4/22/2008 Action Request Record Report re: AR No.: 01078695 orig date: 2/22/2007 Focused Self-Assessment Radiation Protection PROD00015383 12/06/2007 Action Request Record Report re: AR No.: 01079283 orig date 2/26/2007 Snapshot Evaluation of Nuclear Safety Culture PROD00015384 12/07/2007 Action Request Record Report re: AR No.: 0182298 orig date: 3/15/2007 Focused Self-Assessment Planning and Reporting PROD00015385 12/07/2007 Action Request Record Report re: AR No.:01089140 orig date 4/23/2007 1st Quarter DRUM-Operations PROD00015386 12/31/2007 Action Request Record Report re:ARNo.: 01101908 orig date: 7/16/2007 2nd quarter DRUM Security PROD00015387 12/31/2007 Action Request Record Report re: AR No.: 01102182 orig date: 7/17/2007 2nd Quarter DRUM-Operations PROD00015388 12/31/2007 Action Request Record Report re: AR No.: 01110757 orig date: 9/11/2007 3rd Quarter DRUM Training Department PROD00015389 3/12/2008 Action Request Record Report re: AR No.: 01122417 orig date: 12/31/2007 3rd Quarter DRUM-Training including 4th Quarter PROD00015390 5/20/2008 Action Request Record Report re: AR No.: 01124352 orig date: 1/21/2008 1st quarter 2008 DRUM-Training PROD00015391 3/18/2009 Action Request Record Report re: AR No.: 01124412 orig date: 1/21/2008 Assessment of PI Maintenance and Technical Training PROD00015392 3/12/2009 Action Request Record Report re: AR No.: 01124794 orig date: 1/24/2008 Comprehensive Self-Assessment of PI Operation Training

13 Document Number Description PROD00015393 5/15/2009 Action Request Record Report re: AR No.: 01125501 orig date 1/30/2008 Self-Assessment-control of Locked High Radiation and Very High Radiation areas PROD00015394 6/25/2009 Action Request Record Report re: AR No.: 01129453 orig date: 3/1/2008 Focused Self-Assessment Fire Protection PROD00015395 7/09/2009 Action Request Record Report re: AR No.: 01129462 orig date 3/1/2008 Focused Self-Assessment PROD00015396 3/18/2009 Action Request Record Report re: AR No.: 01129463 orig date: 3/1/2008 Focused Self Assessment-Safety Culture PROD00015397 6/25/2009 Action Request Record Report re: AR No.: 01129465 orig date: 3/1/2008 Focused Self-Assessment Dupont Safety Effectiveness review PROD00015398 5/15/2009 Action Request Record Report re: AR No.: 01141469 orig date: 6/19/2008 June 2008 Maintenance Rework Review PROD00015399 8/7/2009 Action Request Record Report re: AR No.: 01143359 orig date 7/7/2008 2nd Quarter DRUM-Training PROD00015400 8/7/2008 Action Request Record Report re: AR No.: 01144212 orig date: 7/15/2008 2nd Quarter DRUM-Operations PROD00015401 3/13/2009 Action Request Record Report re: AR No.: 01152204 orig date: 9/26/2008 2nd Quarter DRUM-Training PROD00015402 3/12/2009 Action Request Record Report re: AR No.: 01155350 orig Date: 10/14/2008 Snapshot evaluation of Security Training PROD00015403 3/12/2009 Action Request Record Report re: AR No.: 01155572 orig date 10/15/2008 3rd Quarter DRUM-Security PROD00015404 5/15/2009 Action Request Record Report re: AR No.: 01155712 orig date: 10/16/2008 Snapshot Evaluation Initial Training Materials PROD00015405 10/26/2009 Action Request Record Report re: AR No.: 01157353 orig date: 10/29/2008 Assessment Operation Requalification Training PROD00015406 6/25/2009 Action Request Record Report re: AR No.: 01162864 orig date: 12/17/2008 4th Quarter Maintenance Rework Review Board PROD00015407 1/19/2009 Action Request Record Report re: AR No.: 01164399 orig date: 1/5/2009 4th quarter DRUM-Training PROD00015408 6/25/2009 Action Request Record Report re: AR No.: 01165841 orig date: 1/19/2009 Focused Self-Assessment CAP program PROD00015409 3/19/2009 Action Request Record Report re: AR No.: 01171059 orig date: 2/27/2009 4th Quarter DRUM-Site PROD00015410 10/26/2009 Action Request Record Report re: AR No.: 01175030 orig date: 3/26/2009 Focused Self-Assessment Emergency Preparedness Plan PROD00015411 6/25/2009 Action Request Record Report re: AR No.: 01176339 orig date: 4/2/2009 1st Quarter DRUM-Training PROD00015412 10/26/2009 Action Request Record Report re: AR No.: 01176634 orig date: 4/3/2009 Focused Self-Assessment Plant Health Committee PROD00015413 6/26/2009 Action Request Record Report re: AR No.: 01181771 orig date: 5/12/2009 Snapshot Self-Assessment of RCE for 11 TDAFW pump mispositioning of valve event

14 Document Number Description PROD00015414 6/26/2009 Action Request Record Report re: AR No.: 01181773 orig date: 5/12/2009 Snapshot Self-Assessment RCE 01157726 Radioactive Shipment Event PROD00015415 7/28/2009 Action Request Record Report re: AR No.: 01181781 orig date: 5/12/2009 Snapshot Self-Assessment of cross cutting issues relative to NRC Inspection PROD00015416 11/20/2009 Action Request Record Report re: AR No.: 01183251orig date: 5/26/2009 Focused Self-Assessment TDAFW Pump 95001 Inspection PROD00015417 11/20/2009 Action Request Record Report re: AR No.: 01183252 orig date: 5/26/2009 Focused Self-Assessment Radioactive shipment preparation for 95001 Inspection PROD00015418 7/28/2009 Action Request Record Report re: AR No.: 01186346 orig date 6/22/2009 2nd Quarter DRUM-Training PROD00015419 11/20/2009 Action Request Record Report re: AR No.: 01189843 orig date: 7/17/2009 2nd Quarter DRUM-Security PROD00015420 11/20/2009 Action Request Record Report re: AR No.: 01190926 orig date: 7/27/2009 2nd Quarter DRUM-Operations PROD00015421 11/20/2009 Action Request Report Record re: AR No.: 01203263 orig date: 10/20/2009 3rd Quarter DRUM-Operations PROD00015422 11/20/2009 Action Request Record Report re: AR No.: 1203400 orig date: 10/21/2009 3rd Quarter DRUM-Training PROD00015423 6/22/2009 Action Request Record Report re: AR No.: 01107479 orig date: 8/17/2007 review to determine if needed change USAR to account for new Best Estimate Large Break Loss of Coolant Accident methodology PROD00015424 6/22/2009 Action Request Record Report re: AR No.: 01119829 orig date: 12/3/2007 Revise USAR to add Design Basis Limits for Fission Product Barriers to Chapter 14 PROD00015425 6/22/2009 Action Request Record Report re: AR No.: 01123127 orig date: 1/8/2008 Revise Chapter 8 of USAR due to revision ENG-EE-018 as affect emergency diesel generators PROD00015426 6/22/2009 Action Request Record Report re: AR No.: 01123200 orig date: 1/9/2008 revise USAR to account for revisions to ENG-EE-021,-045,-018 affects Emergency Diesel Generators analysis PROD00015427 6/22/2009 Action Request Record Report re: AR No: 01123279 orig date: 1/2008 Update USAR include new CL flow rates PROD00015428 6/22/2009 Action Request Record Report re: AR No: 01123499 orig date 1/11/2008 update USAR account for new flow values PROD00015429 6/22/2009 Action Request Record Report re: AR No.: 01124489 orig date: 1/22/2008 change USAR to reflect RWST water level to 90% (265,000(

PROD00015430 6/22/2009 Action Request Record Report re: No.: 01129918 orig date 3/5/2008 Revise USAR for new values for diesel fuel oil consumption rates PROD00015431 6/22/2009 Action Request Record Report re: AR No.: 01129933 orig date 3/5/2008 Revise USAR due to installation of replacement charging pump drives

15 Document Number Description PROD00015432 6/23/2009 Action Request Record Report re: AR No.: 01125580 orig date: 4/24/2008 Revise USAR due to misunderstandings of, among other things, Seismic class PROD00015433 6/23/2009 Action Request Record Report re: AR No.: 01136114 orig date: 4/29/2008 revise USAR to make consistent with design report and technical reports including, among other things, cooling water system PROD00015434 6/23/2009 Action Request Record Report re: AR No.: 01138800 orig date: 5/27/2008 correct the 1 year rating of U1 and U2 EDGs to 2760 from 2750 PROD00015435 6/23/2009 Action Request Record Report re: AR No.: 01148256 orig date: 8/22/2008 update USAR section 10 and 12 to reflect proper definitions of design classification and design configuration PROD00015436 6/23/2009 Action Request Record Report re: AR No.: 01152572 orig date: 9/29/2008 Revise USAR section 12 Design Class of Emergency Communications PROD00015437 6/23/2009 Action Request Record Report re: AR No.: 01152945 orig Date: 9/30/2008 revise USAR to reflect changes in battery and electrical calculations PROD00015438 6/23/2009 Action Request Record Report re: AR No.: 01153852 orig date: 10/5/2008 Update USAR to reflect available time for Auxiliary Feedwater with results from NSP-07-33 PROD00015439 6/23/2009 Action Request Record Report re: AR no.: 01159604 orig date: 11/18/2008 Revise USAR to remove steam flow feedwater flow reactor trip as no longer exists PROD00015440 6/23/2009 Action Request Record Report re: AR No.: 01177302 orig date: 4/8/2009 Revise USAR to account for Generic Letter 2004-02 potential Impact of debris blockage PROD00015441 4/18/2006 Calculation Signature Sheet; NMC Calculation (Doc) No: ENG-ME-005 Analysis of Available NPSH to the RHR pumps from the Containment Pump-replacement strainers PROD00015442 5/17/2006 Calculation Signature Sheet; NMC Calculation (Doc) No: ENG-ME-005 Analysis of Available NPSH to the RHR pumps from the Containment Pump-EOPs for Transfer to Recirculation PROD00015443 5/17/2006 Calculation Signature Sheet; NMC Calculation (Doc) No: ENG-ME-005 Analysis of Available NPSH to the RHR pumps from the Containment Pump-EOPs for Transfer to Recirculation. Minor Revision-replace figures PROD00015444 8/25/2009 Design Bases Document for the Reactor Protection System (Revision 4)

PROD00015445 8/25/2009 Design Bases Document for the Environmental Qualification of Electrical Equipment PROD00015446 8/19/2009 Design Bases Document for the Station Blackout Topic PROD00015447 3/25/2010 Turbine EH Control System Upgrade PROD00015448 Containment Dome Design Bases PROD00015449 11/19/2008 Engineering Change - Evaluate affects of tornado depressurization of auxiliary building PROD00015450 8/30/2007 Engineering Change - Auxiliary Building HELB Update Part 1 PROD00015451 2/1/2008.Engineering Change RE: Diesel Generator Steady State Loading PROD00015452 6/29/2009 Engineering Change for Owner's Acceptance Review of MPR Analysis of Safety Injection Pump Operation without CC Flow to the Bearing Oil and Seal Water Coolers (Supports Turbine Bldg HELB/Loss of CC PRA)

16 Document Number Description PROD00015453 12/2/2009 EC-0441 Closeout Package for EC 14927 Calculation status changes for CRIP - Seismic Certification Report PROD00015454 10/30/2009 EC-0441 EC Closeout Package for Evaluation of the impact of continuing refueling cavity leakage during 1R26/2R26 on conclusions of EC 14139 that considered the effects through 25 refueling outages, Dominion Eng R-4448-00-01 PROD00015455 1/16/2003 Prairie Island Nuclear Generating Plant Probabilistic Risk Assessment Section A.4 Auxiliary Feedwater System Fault Tree Notebook PROD00015456 8/7/1995 IPE Containment Event Tree Model Construction PROD00015457 50.59 Screening re: shield installed to protect carbon steel body to bonnet bolting material from leaking boric acid PROD00015458 Preliminary Agenda for SQUG Winter Meeting taking place December 6 and 7, 1999 PROD00015459 NRC Verification of Seismic Adequacy of Mechanical and Electrical Equipment in Operating Reactors, Unresolved Safety Issue and other documents re SQUG PROD00015460 Records of Repairs and Microfilming from 1992-2002 PROD00015461 12/19/1990 Integrated I&C Upgrade Plan, Draft of Revision 0 PROD00015462 8/2009 50.59 Screening No. 2966: Evaluation of the Unit 1 and 2 Reactor Pressure Vessel and Reactor vessel Internals for the Effects of the Transition to 422V+ Fuel PROD00015463 6/6/2006 emergency plan drill critique report PROD00015464 12/18/2007 EP Drill Critique Report PROD00015465 7/22/2008 EP Drill Critique Report PROD00015466 7/18/2006 EP Drill Critique Report PROD00015467 Plant safety document PROD00015468 2007 PINGP annual public alert and notification system review report PROD00015469 2008 PINGP annual pubic alert and notification system review report PROD00015470 Prairie Island Nuclear Generating Plant Emergency Action Level Matrix PROD00015471 PINGP Emergency Action Level Matrix PROD00015472 12/2/2008 SWI Emergency Operating Procedure Verification, Validation and Maintenance (revision 7)

PROD00015473 5/7/2008 letter to NRC containing Supplement to LAR for PINGP.

PROD00015474 6/26/2008 letter to NRC containing LAR for PINGP.

PROD00015475 6/26/2009 letter to NRC containing LAR for PINGP.

PROD00015476 10/27/2009 letter to NRC containing LAR for PINGP.

PROD00015477 1/3/2007 NRC letter re Confirmatory Order (effective immediately)(Office of Investigation Report No. 3-2005-010)

PROD00015478 3/3/2010 NRC letter re Annual Assessment PROD00015479 3/20/2009 NRC letter re Meeting Summary for Regulatory Conference with NSP (EA-08-349)

PROD00015480 5/14/2007 NRC letter re Integrated Inspection Report

17 Document Number Description PROD00015481 6/11/2009 NRC letter re Information Request to Support Upcoming PINGP, Units 1 and 2, Biennial Problem Identification and Resolution Inspection PROD00015482 08/11/2008 Letter from NRC to M. Wadley re PINGP Units 1 & 2, audit of the licensee's management of regulatory commitments (TAC NOS MD8892 and MD8893)

PROD00015483 09/10/2007 NRC letter to M. Wadley, Mid-cycle performance review and inspection plan - PINGP PROD00015484 09/01/2009 NRC letter to M Schimmel, Mid-Cycle performance review and inspection plan - PINGP Units 1 & 2 PROD00015485 11/10/2009 Letter from NRC to M. Schimmel, Public meeting to discuss human performance cross-cutting issues fro PINGP PROD00015486 12/17/2009 Letter from NRC to PINGP summary of 12/01/2009 public meeting to discuss human performance substantive cross-cutting issues at PINGP PROD00015487 08/14/2007 Second Quarter Inspection Report PROD00015488 12/31/2007 Letter to M Wadley from NRC re Problem identification and resolution inspection report 05000252/2007006 and 050000306/2007006 PROD00015489 2/3/2006 letter from NRC to T. Palmisano RE: PINGP, Units 1 and 2 NRC Integrated Inspection Report 05000282/2005011; 05000306/2005011; Preliminary White Finding PROD00015490 8/14/2006 letter from NRC to T. Palmisano RE: PINGP, Units 1 and 2 NRC Integrated Inspection Report 05000282/2006003 ; 05000306/2006003 PROD00015491 2/11/2008 letter from NRC to Michael Wadley RE: PINGP, Units 1 and 2 NRC Integrated Inspection Report 05000282/2007005 and 05000306/2007005 PROD00015492 5/14/2008 letter from NRC to Michael Wadley Re: PINGP, Units 1 and 2 NRC Integrated Inspection Report 05000282/2008002 AND 05000306/2008002 PROD00015493 8/14/2008 letter from NRC to Michael Wadley RE: PINGP, Units 1 and 2 NRC Integrated Inspection Report 0500028212008003; 0500030612008003 PROD00015494 2/10/2009 letter from NRC to Michael Wadley Re: PINGP integrated inspection report PROD00015495 12/23/2008 letter from NRC to Michael Wadley Re: PINGP, Units 1 and 2, Evaluation of Changes, Tests, or Experiments and Permanent Plant Modifications Baseline Inspection Report 05000282/2008007; 05000306/2008007(DRS)

PROD00015496 11/7/2008 letter from NRC to Michael Wadley Re: PINGP -NRC Special Inspection Report 05000282/2008008; 05000306/2008008, Preliminary White Finding PROD00015497 1/27/2009 letter from NRC to Michael Wadley Re: Final Significance Determination for a White Finding and Notice of Violation; NRC Inspection Report NO. 05000282/2008008; PINGP UNIT 1 PROD00015498 2/10/2009 letter from NRC to Michael Wadley Re: PINGP, UNIT 1 and 2 NRC Inspection Report 05000282/2008009; 05000306/2008009 Preliminary Yellow Finding PROD00015499 8/8/2008 letter from NRC to Michael Wadley re: PINGP, Units 1 and 2 Biennial Emergency Preparedness Exercise Baseline Inspection 0500028212008502(DRS); 05000306/2008502(DRS)

18 Document Number Description PROD00015500 8/5/2009 letter from NRC to Michael Wadley re: PINGP, Units 1 and 2 NRC Integrated Inspection Report 05000282/2009003; 05000306/2009003 PROD00015501 10/23/2009 letter from NRC to Mark Schimmel Re: PINGP, Units 1 and 2, NRC Integrated Inspection Report 05000282/2009004; 05000306/2009004 PROD00015502 2/8/2010 letter from NRC to Mark Schimmel Re: PINGP, Units 1 and 2 NRC Integrated Inspection Report 05000282/2009005; 05000306/2009005 And Office of Investigations Report NO. 3-2009-025 PROD00015503 5/6/2009 letter from NRC to Michael Wadley Re: Final Significance Determination of White Finding and Notice of Violation; NRC Inspection Report NO. 05000282/2009008; 0500030612009008; PINGP Units 1 and 2 PROD00015504 11/25/2009 letter from NRC to Mark Schimmel re: PINGP, Units 1 and 2, NRC Biennial Problem Identification and Resolution Inspection Report 05000282/2009009; 05000306/2009009 PROD00015505 8/5/2009 letter from NRC to Michael Wadley re: PINGP, Units 1 and 2 NRC Inspection Report 05000282/2009010; 05000306/2009010 Preliminary White Finding PROD00015506 10/15/2009 letter from NRC to Mark Schimmel RE: PINGP, Unit 1, NRC Supplemental Inspection Report 05000282/2009011 PROD00015507 9/3/2009 letter from NRC to Mark Schimmel Re: Final Significance Determination for a White Finding and Notice of Violation; NRC Inspection Report NO. 05000306/2009013; PINGP, Unit 2 PROD00015508 4/29/2010 letter from NRC to Mark Schimmel RE: PINGP, Units 1 and 2, NRC Integrated Inspection Report 05000282/2010002; 05000306/2010002 AND 07200010/2010002 PROD00015509 9/29/2008 letter from Xcel to NRC re: LER 1-08-03, Loss of Auxiliary Feedwater Safety Function and Condition Prohibited by Technical Specifications Due to Mispositioned Isolation Valve PROD00015510 1/19/2009 letter from Xcel to NRC re: LER 2-08-01. Unanalyzed Condition Due to Both Trains of Component Cooling Being Susceptible to a Postulated High Energy Line Break. Supplement 1 PROD00015511 1/28/2009 letter from Xcel to NRC re: Inservice Inspection Summary Report. Interval 4. Period 2. Outage 1.

Refueling Outage Dates: 09-19-2008 to 11-01-2008 Unit 2. Fuel Cycle 24: 12-15-2006 to 11-01-2008 PROD00015512 5/12/2009 letter from Xcel to NRC re: 2008 Annual Radioactive Effluent Report and Offsite Dose Calculation Manual PROD00015513 12/17/2009 letter from Xcel to NRC re: LER 1-09-06, Unanalyzed Condition Due to Potential Safety System Susceptibility to Turbine Building Flooding Due to a Postulated High Energy Line Break PROD00015514 4/8/2010 letter from Xcel to NRC re: LER 1-09-06, Unanalyzed Condition Due to Potential Safety System Susceptibility to Turbine Building Flooding Due to a Postulated High Energy Line, Supplement 1 PROD00015515 4/1/2010 letter from Xcel to NRC re: 30-Dav Response to Human Performance Substantive Cross-Cutting Issue (SCCI)

PROD00015516 10/30/2008 licensing time-line PROD00015517 10/29/1974 letter from Atomic Energy Commission to PINGP RE: Facility Operating License PROD00015518 Various Prairie Island Updated Safety Analysis Reports

19 Document Number Description PROD00015519 10/19/2001 Biennial Report of Changes, Tests, and Experiments, and Submittal of Revision No. 9 to the Prairie Is land Independent Spent Fuel Storage Installation Safety Analysis Report PROD00015520 5/1/2009 Letter From Xcel To NRC RE: updated safety analysis report revision 30 and bases revisions PROD00015521 Prairie Island Updated Safety Analysis Report USAR Appendix I Revision 22 PROD00015522 Prairie Island Updated Safety Analysis Report USAR Section 1 Revision 23 PROD00015523 Prairie Island Updated Safety Analysis Report USAR Section 1 Revision 30 PROD00015524 5/20/09 PINGP Unit 1 Startup Procedure manual PROD00015525 4/26/07 PINGP Unit 1 Power Operation PROD00015526 4/7/07 PINGP Unit 2 Startup Procedure PROD00015527 9/28/07 PINGP Unit 2 Shutdown Procedure PROD00015528 4/8/07 PINGP Unit 2 Power Operation PROD00015529 9/24/08 PINGP RCS Reduced Inventory Operation Procedure PROD00015530 10/16/02 PINGP Surveillance Requirements Mode 5, Cold Shutdown Procedure PROD00015531 10/16/02 PINGP Surveillance Requirements Mode 5, Cold Shutdown Procedure PROD00015532 4/1/10 CAP log PROD00015533 12/1/09 CAP log PROD00015534 3/1/08 Operations Station Log regarding safety issues PROD00015535 5/1/06 Operations Log Entries regarding safety issues PROD00015536 5/1/10 Log Entries Report regarding CAP PROD00015537 11/1/08 Log Entries Report regarding CAP PROD00015538 10/1/08 Log Entries Report regarding safety assessment/CAP PROD00015539 10/1/09 Log Entries Report regarding safety assessment/CAP PROD00015540 9/1/08 Log Entries Report regarding CAP PROD00015541 9/1/09 Log Entries Report regarding CAP PROD00015542 2/8/07 PINGP Plant Operating Review Committee Meeting Minutes regarding CAP PROD00015543 8/14/08 PINGP Plant Operating Review Committee Meeting Minutes regarding safety issues/CAP PROD00015544 4/17/07 PINGP Surveillance Requirements Mode 5, Cold Shutdown regarding CAP PROD00015545 Undated PINGP EAL Reference Manual by J. Callahan PROD00015546 11/16/06 PINGP EAL Reference Manual PROD00015547 3/30/07 PINGP Emergency Action Levels (EAL) Reference Manual PROD00015548 6/5/09 PINGP EAL Reference Manual PROD00015549 9/17/09 PINGP EAL Reference Manual PROD00015550 1/18/06 PINGP F3 EAL Technical Bases PROD00015551 PINGP F3 EAL Technical Bases PROD00015552 5/30/08 PINGP Emergency Action Level Technical Bases by S. Northard PROD00015553 6/5/09 PINGP EAL Technical Bases by K. Ryan

20 Document Number Description PROD00015554 9/17/09 PINGP EAL Technical Bases by K. Ryan PROD00015555 PINGP 11 Turbine Driven Aux Feed Pump Refueling Inspection Preventative Maintenance Procedures 12/2/05 by M. Schmidt PROD00015556 3/7/06 PINGP 11 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedures by M. Schmidt PROD00015557 3/7/06 PINGP Temporary Change Request regarding 11 Turbine Driven Auxiliary Feed Water Pump and attached 11 TD AFP Refueling Inspection Preventive Maintenance Procedures PROD00015558 10/28/06 PINGP 11 Turbine Driven Aux Feed Pump Refueling Inspection by T. Wadley PROD00015559 7/26/07 11 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedures by Mechanical General Supervisor PROD00015560 12/2/05 PINGP Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedure by M.

Schmidt PROD00015561 9/6/06 PINGP 22 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedure by T.

Wadley PROD00015562 10/10/06 22 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedure by T.

Wadley PROD00015563 10/25/06 PINGP 22 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedure by T. Wadley PROD00015564 12/5/06 22 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedure by T.

Wadley PROD00015565 3/16/07 PINGP 22 Turbine Driven Aux Feed Pump Refueling Inspection Preventive Maintenance Procedure by Mech. Maint. General Supv.

PROD00015566 7/9/07 PINGP Refuel Cavity Caulking Maintenance Procedure by S. Skoyen PROD00015567 07/07/08 Refuel Cavity Caulking - Maintenance Procedure PROD00015568 02/10/09 Refuel Cavity Caulking Maintenance Procedure PROD00015569 11/20/07 Isolation, Restoration and Testing of 11 Aux Feed Pump Maintenance Operating Procedure PROD00015570 05/02/08 Isolation, Restoration and Testing of 11 Aux Feed Pump Maintenance Operating Procedure PROD00015571 09/09/09 Isolation, Restoration and Testing of 11 TD Aux Feed Pump Maintenance Operating Procedure PROD00015572 03/17/08 Isolation, Restoration and Testing of 22 Aux Feed Pump Maintenance Operating Procedure PROD00015573 11/19/09 Isolation, Restoration and Testing of 22 Aux Feed Pump Maintenance Operating Procedure PROD00015574 04/24/08 Plant Check Valve Program Procedure PROD00015575 11/14/08 Plant Check Valve Program Procedure PROD00015576 05/03/10 Plant Check Valve Program Procedure PROD00015577 05/02/08 NRC Recommendations from Generic Letter 89-13 Implementing Program Procedure PROD00015578 02/22/10 NRC recommendations from Generic Letter 89-13 Implementing Program Procedure PROD00015579 07/06/06 Boric Acid Corrosion Control Program Procedure

21 Document Number Description PROD00015580 09/13/06 Boric Acid Corrosion Control Program Business Process Procedure PROD00015581 03/05/07 Boric Acid Corrosion Control Program Business Process Procedure PROD00015582 6/5/2007 Boric Acid Corrosion Control Program Business Process Procedure PROD00015583 7/13/2007 Boric Acid Corrosion Control Program Business Process Procedure PROD00015584 8/27/2007 Boric Acid Corrosion Control Program Business Process Procedure PROD00015585 3/21/2008 Boric Acid Corrosion Control Program Business Process Procedure PROD00015586 2/16/2009 Boric Acid Corrosion Control Program Business Process Procedure PROD00015587 1/27/2009 Packaging of Radioactive Material for Shipment Procedure PROD00015588 3/04/2009 Packaging of Radioactive Material for Shipment Procedure PROD00015589 5/4/2009 Packaging of Radioactive Material for Shipment Procedure PROD00015590 SP: 11 Turbine Driven Auxiliary Feedwater pump auto start and functional refueling outage test PROD00015591 11 turbine driven auxiliary feedwater pump auto start and functional refueling outage test PROD00015592 Leakage examination of pressure retaining components on the reactor vessel head PROD00015593 Leakage examination of pressure retaining components on the reactor vessel head PROD00015594 Reactor vessel bottom head bare metal examination PROD00015595 Reactor vessel bottom head bare metal visual examination PROD00015596 Turbine driven auxiliary feedwater pump auto start and functional refueling outage test PROD00015597 Turbine driven auxiliary feedwater pump auto start and functional refueling outage test Rev. 18 PROD00015598 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test Rev. 20 PROD00015599 B4A Reactor Coolant System PROD00015600 License Requalification Training PROD00015601 10/27/2008 Prairie Island Updated Safety Analysis Report PROD00015602 10/7/2009 Action Request Record PROD00015603 10/30/2007 Prairie Island Site Training Center Records PROD00015604 4/15/2008 NRC Safety Culture Meeting PROD00015605 4/15/2008 NRC Safety Culture Meeting PROD00015606 4/15/2008 NRC Safety Culture Meeting PROD00015607 4/15/2008 NRC Safety Culture Meeting PROD00015608 4/15/2008 NRC Safety Culture Meeting PROD00015609 1/27/2009 Job Familiarization Guide PROD00015610 2003 Post-Training Feedback Summary Forms PROD00015611 03/06/06 Prairie Island Radiation Protection Technician Qualification Manual and Evaluation Guide PROD00015612 2004 Trainee Feedback Summary Forms PROD00015613 2002 Trainee Feedback Summary Forms PROD00015614 1996 PINGP Maintenance Supervisor Training Program - Basic Management/Supervision Concepts PROD00015615 2007 Trainee Feedback Summary Forms

22 Document Number Description PROD00015616 2008 Trainee Feedback Summary Forms PROD00015617 2005 Trainee Feedback Summary Forms PROD00015618 2006 Trainee Feedback Summary Forms PROD00015619 2006 Trainee Summary Feedback Forms PROD00015620 2006 Trainee Feedback Summary Forms PROD00015621 2008 Emergency Planning Information Sharing - Activation of Technical Support Center - among others PROD00015622 2004 Radiation Protection Procedures - Document Sharing and Training PROD00015623 05/25/05 Core Protection Lesson PROD00015624 2008 PINGP Orientation Training PROD00015625 5/5/2008 Providing NRC Responses: Engineering Support Personnel: Position Specific Training PROD00015626 11/20/08 Initial License Operator Training and Simulation PROD00015627 02/13/09 Initial License Operator Simulation and Training PROD00015628 04/15/02 Loss of All Safeguards AC Power and Recovery Procedures Training PROD00015629 11/20/08 License Operator - Simulator Initial Training PROD00015630 03/23/09 Initial Reactor Trip Recovery PROD00015631 02/10/05 Initial License Operator Training - Turbine Control Malfunctions PROD00015632 03/23/09 Initial License Operator Training - Turbine Control Malfunctions PROD00015633 05/20/09 Initial License Operator Training - Turbine Control Malfunctions PROD00015634 01/30/09 Initial License Operator Training - Inadvertent Boration, Failure/Loss of Main Condenser PROD00015635 01/25/09 Initial License Operator Training - First Stage Pressure Instrument Failure, Loss of CC PROD00015636 05/21/09 Initial License Operator Training - First Stage Pressure Instrument Failure, Loss of CC PROD00015637 02/06/09 Initial License Operator Training - Rapid Load Reduction, Feed Pump Trip, Loss of Turbine Building Cooling Water PROD00015638 01/30/09 Initial License Operator Training - Rod Control Malfunctions, Power Range Nuclear Instrument Failures PROD00015639 05/20/09 Initial License Operator Training - Rod Control Malfunctions, Power Range Nuclear Instrument Failures PROD00015640 03/01/07 Initial License Operator Training - Hotwell Level Transmitter Failure, Steam Flow Instrument Failure, Plant Fire, First Stage Pressure Transmitter Failure, Cooling Water Malfunctions, Earthquake PROD00015641 02/12/09 Initial License Operator Training - Hotwell Level Transmitter Failure, Steam Flow Instrument Failure, Plant Fire, First Stage Pressure Transmitter Failure, Cooling Water Malfunctions, Earthquake PROD00015642 05/22/09 Initial License Operator Training - Hotwell Level Transmitter Failure, Steam Flow Instrument Failure, Plant Fire, First Stage Pressure Transmitter Failure, Cooling Water Malfunctions, Earthquake PROD00015643 01/26/09 Initial License Operator Training - Charging Line Leak in Containment, Thermal Barrier Heat Exchange Tube Leak PROD00015644 05/21/09 Initial License Operator Training - Charging Line Leak in Containment, Thermal Barrier Heat Exchange Tube Leak PROD00015645 07/27/07 Initial License Operator Training - Seal Water Heat Exchanger Leak

23 Document Number Description PROD00015646 02/13/09 Initial License Operator Training - Seal Water Heat Exchanger Leak PROD00015647 05/20/09 Initial License Operator Training - Seal Water Heat Exchanger Leak PROD00015648 02/16/09 Initial License Operator Training - RCS Leak, Pressurizer Level Instrument Failure PROD00015649 03/05/09 Initial License Operator Training - RHR Malfunctions at Cold Shutdown and Draindown Conditions PROD00015650 07/09/09 Initial License Operator Training - RHR Malfunctions at Cold Shutdown and Draindown Conditions PROD00015651 8/18/2009 Xcel Prairie Island Simulator Exercise Guide.

PROD00015652 03/26/2010 Other Foreign Material Exclusion LP# P8345C-0707 Rev. # 3 PROD00015653 06/30/2009 FME Monitor Certification Training Rev 0 PROD00015654 6/08/2009 Xcel Prairie Island; Fuel Handling and Training Requests.

PROD00015655 9/22/2009 by T. Borgen re: Xcel Prairie Island Simulator Exercise Guide.

PROD00015656 2/05/2010 Xcel Prairie Island; Simulator exercise guide.

PROD00015657 10/10/2009 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015658 11/16/2009 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015659 11/09/2009 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015660 1/11/2010 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015661 1/07/2010 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015662 1/25/2010 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015663 1/08/2010 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015664 3/03/2010 Xcel Prairie Island; Simulator Exercise Guide.

PROD00015665 9/06/2006 Prairie Island License Requal Training guide PROD00015666 1/12/2009 Prairie Island License Requal Training Procedures.

PROD00015667 2/27/2006 Simulator instructor guide.

PROD00015668 8/15/2005 Simulator Instructor Guide.

PROD00015669 9/21/2006 Simulator Exercise Guide.

PROD00015670 8/10/2006 Prairie Island; Simulator Exercise Guide.

PROD00015671 12/14/2006 Prairie Island; Simulator Exercise Guide.

PROD00015672 2/16/2007 Prairie Island; Simulator Exercise Guide.

PROD00015673 2/19/2007 Prairie Island; Simulator Exercise Guide PROD00015674 2/23/2007 Prairie Island; Simulator Exercise Guide PROD00015675 2/06/2007 Prairie Island; Simulator Exercise Guide.

PROD00015676 2/14/2007 Prairie Island; Simulator Exercise Guide.

PROD00015677 2/23/2007 Prairie Island; Simulator Exercise Guide.

PROD00015678 2/23/2007 Prairie Island; Simulator Exercise Guide PROD00015679 2/16/2007 Prairie Island; Simulator Exercise Guide.

PROD00015680 4/06/2007 Prairie Island; Simulator Exercise Guide.

PROD00015681 11/10/2008 Prairie Island; Simulator Exercise Guide re: Licensed operator requal.

24 Document Number Description PROD00015682 4/04/2007 Prairie Island; Simulator Exercise Guide.

PROD00015683 4/13/2007 Prairie Island; Simulator Exercise Guide.

PROD00015684 5/09/2007 Prairie Island; Simulator Exercise Guide.

PROD00015685 6/08/2007 Prairie Island; Simulator Guide.

PROD00015686 11/15/2007 Prairie Island simulator exercise guide.

PROD00015687 11/21/2007 Prairie Island; Simulator Exercise Guide.

PROD00015688 11/15/2007 Prairie Island; Simulator Exercise Guide re: license requalification training.

PROD00015689 1/14/2008 Prairie Island; Simulator Exercise Guide re: license operator requalification.

PROD00015690 3/18/08 Prairie Island; simulator exercise guide re: license operator requalification.

PROD00015691 5/06/2008 Prairie Island; Simulator Exercise Guide re: license operator requalification.

PROD00015692 1/11/2008 Prairie Island; simulator exercise guide re: license operator requalification.

PROD00015693 1/18/2008 Prairie Island; simulator exercise guide re: license operator requalification.

PROD00015694 4/18/2009 Prairie Island; simulator exercise guide re: license operator requalification.

PROD00015695 4/21/2008 Prairie Island; simulator exercise guide re: license operator requalification.

PROD00015696 4/22/2008 Prairie Island; Simulator Exercise Guide re: license operator requalification.

PROD00015697 6/16/2008 Prairie Island; simulator exercise guide re: license requalification training.

PROD00015698 6/12/2008 Prairie island Simulator Exercise Guide re: licensed operator requalification.

PROD00015699 7/31/2008 Prairie Island Simulator Exercise Guide re: license requalification training.

PROD00015700 8/07/2008 Prairie Island Simulator Exercise Guide re: license requalification training.

PROD00015701 8/02/2008 Prairie Island Simulator Exercise Guide re: licensed operator requalification.

PROD00015702 8/06/2008 Prairie Island; Simulator Exercise Guide re: licensed operator requalification training.

PROD00015703 8/06/2008 Prairie Island; simulator exercise guide; licensed operator requalification training.

PROD00015704 8/01/2008 Prairie Island; Simulator Exercise guide re: license requalification training.

PROD00015705 1/05/2009 Xcel Prairie Island; Simulator Exercise Guide re: license requalification training.

PROD00015706 1/12/2009 Xcel Prairie Island; Simulator Exercise Guide re: license requalification training.

PROD00015707 1/07/2009 Xcel Prairie Island; Simulator Exercise Guide re: license requalification training.

PROD00015708 1/22/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015709 1/07/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015710 1/22/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015711 2/25/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015712 2/24/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015713 3/05/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015714 3/16/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015715 4/16/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015716 4/23/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015717 6/02/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

25 Document Number Description PROD00015718 6/04/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015719 6/15/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015720 6/09/2008 Prairie Island; simulator exercise guide re: license requalification training.

PROD00015721 7/21/2008 Prairie Island; simulator exercise guide re: license requalification training.

PROD00015722 2/05/2009 Xcel Prairie Island; simulator exercise guide re: emergency plan training.

PROD00015723 6/13/2008 Prairie Island; simulator exercise guide re: license requalification training and simulator cycle quiz.

PROD00015724 8/01/2008 Prairie Island; simulator exercise guide re: license requalification training and simulator cycle quiz.

PROD00015725 2/20/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015726 6/01/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training.

PROD00015727 4/05/2007 Prairie Island; simulator exercise guide and training materials.

PROD00015728 9/29/2007 Prairie Island; simulator exercise guide re: license requalification training.

PROD00015729 9/29/2007 Prairie Island; simulator exercise guide re: license requalification training.

PROD00015730 9/25/2007 Prairie Island; simulator exercise guide re: license requalification training.

PROD00015731 9/29/2007 Prairie Island; simulator exercise guide re: turbine 1st stage pressure failure/turbine cv cycling/dropped RCCA/loss of all AC.

PROD00015732 9/16/2009 Xcel Prairie Island; simulator exercise guide re: license requalification training and loss of all AC power with failures.

PROD00015733 9/11/2007 Prairie Island Simulator Exercise Guide re: licensed operator requalification and INPO 2007 EOP scenario #1.

PROD00015734 10/29/2009 Xcel Prairie Island; RCS reduced inventory operation re: licensed operator training.

PROD00015735 10/02/2008 NMC Prairie Island; simulator exercise guide re: initial license operator training and diagnostic training.

PROD00015736 8/14/2009 Xcel Prairie Island; laboratory guide, safety and human performance DLA.

PROD00015737 6/05/2007 Prairie Island "Other Initial Right-to-Know" course re: safety and fire protection.

PROD00015738 6/17/2008 Prairie Island "Other Initial Right-to-Know" course re: safety and fire protection.

PROD00015739 5/21/2009 Xcel Prairie Island "Other Initial Right-to-Know" re: safety and fire protection.

PROD00015740 6/08/2007 NMC Prairie Island "Other Right-to-Know Refresher" re: safety and fire protection.

PROD00015741 6/17/2008 NMC Prairie Island "Other Right-to-Know Refresher" re: safety and fire protection.

PROD00015742 5/21/2009 Xcel Prairie Island "Other Right-to-Know Refresher" re: safety and fire protection.

PROD00015743 8/03/2007 NMC Prairie Island "Other Right-to-Know for Warehouse Personnel" re: safety and fire protection.

PROD00015744 6/17/2008 NMC Prairie Island "Other Right-to-Know for Warehouse Personnel" re: safety and fire protection.

PROD00015745 5/21/2009 Xcel Prairie Island "Other Right-to-Know for Warehouse Personnel" re: safety and fire protection.

PROD00015746 6/11/2008 Prairie Island Orientation re: Emergency Systems.

PROD00015747 5/15/2008 NMC Prairie Island; instructor continuing training-operations training instructors.

PROD00015748 4/23/2010 Xcel Prairie Island; Developing SRO only questions re: instructor certification training.

PROD00015749 12/21/2007 Prairie Island; "Other Standards and Expectations" re: supervisor leadership development program.

26 Document Number Description PROD00015750 7/13/2009 Xcel Prairie Island; Coaching and feedback refresher re: supervisor leadership development.

PROD00015751 10/27/2006 Prairie Island Department Roll-Up Meeting Report.

PROD00015752 Self-Assessments 2005 PROD00015753 Maintenance Training Advisory Committee Job Familiarization Guide PROD00015754 6/7/2006 Training Advisory Committee meeting minutes PROD00015755 1/1/2006 Chemistry Department Training Advisory committee Meeting Minutes PROD00015756 2/20/2007 Training Advisory Committee Meeting Minutes PROD00015757 1/29/2008 Training Advisory Committee Meeting Minutes PROD00015758 3/13/2007 Training Advisory Committee Meeting Minutes PROD00015759 1/31/2006 Curriculum Review Committee Instructor Training Meeting Minutes PROD00015760 1/31/2007 Curriculum Review Committee Instructor Training Meeting Minutes PROD00015761 3/6/2008 Curriculum Review Committee Instructor Training Meeting Minutes PROD00015762 3/19/2008 Training Advisory Committee Instructor Certification Training Program Meeting Minutes PROD00015763 12/12/2005 Training Advisory Committee Meeting Minutes PROD00015764 2/7/2006 Training Advisory Committee Meeting Minutes PROD00015765 9/12/2005 Training Advisory Committee Supervisor Training Program Meeting Minutes PROD00015766 3/21/06 Training Advisory Committee Supervisor Training Program PROD00015767 Shift Manager Training Program Site Specific Reference List PROD00015768 2007 NMC Training Program Effectiveness Report PROD00015769 2/17/2006 Operations Training Schedule PROD00015770 2009 Prairie Island Initial License Training PI-OPS-ILT Training Program Description Revision 8 PROD00015771 Licensed Operator Requalification FL-LOR-TPD Training Program Description Revision 1 PROD00015772 2007 Fleet Safety and Health FL-SHE Training Program Description Revision 2 PROD00015773 2008 Training Program Description PI-OPS-ILT Initial License Training Revision 4 PROD00015774 2006 NMC Training Program Effectiveness Report Chemistry Technician PROD00015775 2006 NMC Training Program Effectiveness Report Engineering Personnel PROD00015776 2006 NMC Training Program Effectiveness Report Radiation Protection Technician PROD00015777 2005 NMC Training Program Effectiveness Report P9100: License Operator Requal PROD00015778 2005 NMC Training Program Effectiveness Report P9300 Shift Manager P9500 Shift Technical Advisor PROD00015779 2005 NMC Training Program Effectiveness Report Supervisory Leadership Development Program PROD00015780 2006 NMC Training Program Effectiveness Report Leadership Development PROD00015781 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 5/22/2007 PROD00015782 Containment at Power Quarterly Inspection Unit 2 Second Quarter 2007 Master Work Order Package dated 5/29/2007 PROD00015783 2/13/2008 Master Work Order Package for Remove Caulk in Refueling Cavity and Caulk Potential Leakage Paths

27 Document Number Description PROD00015784 9/20/2008 Master Work Order Package for Caulk Potential Leakage Paths in Refueling Cavity Unit 2 PROD00015785 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 8/11/2007 PROD00015786 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 11/20/2007 PROD00015787 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 5/20/2008 PROD00015788 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 8/19/2008 PROD00015789 Periodic Structures Inspection Master Work Order Package dated 8/14/20078 PROD00015790 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 11/13/2008 PROD00015791 2/20/2008 Master Work Order Package for Lower Refueling Pool Level to Facilitate Pool Repairs Unit 1 PROD00015792 2/20/2008 Master Work Order Package for Inspect, Clean and Adjust Fitting at Coupling Located on Refuel Cavity Wall Unit 1 PROD00015793 8/3/2009 Master Work Order Package for Caulk Potential Leakage Paths in Refueling Cavity Unit 1 PROD00015794 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 2/10/2009 PROD00015795 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 5/14/2009 PROD00015796 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 8/13/2009 PROD00015797 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 10/28/2009 PROD00015798 9/12/2009 Master Work Order Package for: Perform Leakage Repairs on Refueling Cavity Liner Unit 1 PROD00015799 9/14/2009 Master Work Order Package for: Measurements and Pictures of concrete that will be removed Unit 1 PROD00015800 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 2/4/2010 PROD00015801 Containment at Power Quarterly Inspection Unit 2 Master Work Order Package dated 2/3/2010 PROD00015802 GSI 191 Condition Assessment re Emergency Core Cooling System design and performance PROD00015803 NUCLEAR MANAGEMENT COMPANY (NMC) SEPTEMBER 1, 2005 RESPONSE TO GENERIC LETTER 2004-02 FOR PINGP re Emergency Core Cooling System performance and design PROD00015804 Self Assessment Report for Self Assessment Process completed in October 2001 PROD00015805 9/19/2005 General Condition Report re: exit interview forms for departing employees to address lack of appropriate safety culture at PINGP PROD00015806 Exit Notes: Self-Assessment of the Prairie Island Root Cause Evaluation Process June 10 - June 14, 2002 PROD00015807 FOCUSED SELF-ASSESSMENT Root Cause Evaluation Process June 10-14, 2002 PROD00015808 Focused Self Assessment Checklist Topic: Root Cause Evaluation Process PROD00015809 email response from D Almeida at Angra Nuclear Power Plant in Brazil to Koehler re resolution of similar refueling cavity leaks at their plant PROD00015810 12/16/98 letter to L Polley NSP from A Setlur Automated Engineering Services Corp re Evaluation of the Effects of Borated Water Leaks on Concrete, Reinforcing Bars, and Carbon Steel Plate of the Containment Vessel -

UNIT 2 and attached report PROD00015811 10/15/2002 Auxiliary Feedwater System Review Package PROD00015812 11/21/2001 Condition Report No. 200185537 Human Performance on Sensitivity and Identification of Tave Compensator was Less than Adequate.

28 Document Number Description PROD00015813 2000 NMC Operations Assessment Report PROD00015814 10/10/1999 Report summarizing refueling cavity leakage during Spring 1999 Unit 1 refueling outage PROD00015815 NCR 19991420 rev 1 report: Evaluation of Acceptable Containment Inspection Indications Unit 1 Refueling Cycle 19 PROD00015816 4/2/2001 Management Effectiveness Self Assessment PROD00015817 PINGP Safety Audit Committee Meeting Minutes for meeting on 2/14/2001 PROD00015818 PINGP Safety Audit Committee Meeting Minutes for meeting on 2/14/2001 PROD00015819 NMC 2000 Employee Concerns Program: Self-Assessment Report of DAEC, Prairie Island and Monticello Nuclear Generating Plants PROD00015820 Condition Report 20014211 Corrective Actions For Mispositioning CR 20004323 Not Effective In Preventing Repeat Occurrences PROD00015821 Management Process Guideline on attitude to safety and 12/20/2001 Response PROD00015822 NMC Safety Culture Policy effective 10/19/2000 PROD00015823 ACE 008678 Corrective Action Closeout Adequacy and Effectiveness discussion PROD00015824 Report for refueling cavity leak occurring in 1998 and list of actions taken PROD00015825 Refueling Cavity Diagram and Leak Observation Form PROD00015826 Review of the Corrective Action Documentation Associated with Effectiveness Review for 3 Q 2005 Department Roll Up Meeting PROD00015827 NMC Focused Self-Assessment Planning, Conduct and Reporting effective 2/13/2004 PROD00015828 List of Activities Identified in Structural Monitoring Inspection PROD00015829 1/28/2005 NMC report re Human Performance and Safety at PINGP PROD00015830 Date Unknown, Report - CE - Boric Acid leakage condition corrected - CV-31450 PROD00015831 Date Unknown, Report, Refueling Cavity leakage analysis PROD00015832 3/13/2007 NMC employee CAP training PROD00015833 3/19/2007 NMC Manager CAP Training PROD00015834 Prairie Island Training Center - Identify general safety in formation about the hazardous materials in the work place per procedure and Minnesota Right-to-Know (RTK) - PowerPoint PROD00015835 5/18/2007 Common cause evaluation - Common cause evaluation of adverse trend in human performance in Operations based on previous seven months of performance and includes any human performance reactivity events over the past year.

PROD00015836 2004 PINGP Corrective Actions Report PROD00015837 November 2008 (Draft) Review of Radiological Licensing & Design Basis Prairie Island Nuclear Generating Plant PROD00015838 6/22/2007 RCE Report Site Response to Potentially Significant Regulatory Issues PROD00015839 8/2/2007 Performance Assessment Review Board meeting PROD00015840 9/13/2007 Performance Assessment Review Board meeting PROD00015841 9/6/2007 Performance Assessment Review Board meeting

29 Document Number Description PROD00015842 Focused Self-Assessment Checklist re: Corrective Action Program Self-Assessment PROD00015843 Shall Requirements and Recommendations PROD00015844 Focused Self-Assessment Checklist - Principles For A Strong Nuclear Safety Culture PROD00015845 ACE CAP AR# 0113056 RE: Safety Culture PROD00015846 August 2007 Nuclear Safety Questionnaire PROD00015847 1/1/2009 Action Request Report #01164256 - New Instrument Block Valve Labeling PROD00015848 Prairie Island Updated Safety Analysis Report (Revision 30P)

PROD00015849 5/29/2008 NMC Fleet Procedure - Human Performance Tools PROD00015850 2/10/2009 Plant Health Committee Meeting Report PROD00015851 6/17/2008 Report on Unit 1 AFW Flow Characteristics for MUR PROD00015852 Calculations with AFW Flow Spreadsheet PROD00015853 List of Contingency Work Orders with RWP 256 assigned to them PROD00015854 Apparent Cause Evaluation: During the 1R25 refueling outage, upon cavity flood up, an approximate 50gpm leak was discovered on the "A" SI sand plug cover PROD00015855 Apparent Cause Evaluation: During the 1R25 refueling outage, upon cavity flood up, an approximate 50gpm leak was discovered on the "A" SI sand plug cover, Revision 3 PROD00015856 Maintenance Rework Evaluation: Leak during flood up of U-1 refueling cavity for 1R25 PROD00015857 Maintenance Rework Evaluation: Loose Screws and Inadequate Calking on Sand Plug Covers during 1R25 PROD00015858 Report on AR01130465 Boric Acid Evaluation of Sump C and U1 Rx Vsl. following 1R25 cavity leakage PROD00015859 Brief summary of Sump C, RX Vsl Bottom Inspection PROD00015860 Brief summary of Sump C, RX Vsl Bottom Inspection PROD00015861 BACC CE 01131062, SI-195-7 Packing Leak PROD00015862 Maintenance Reqork Evaluation: SI-9-5 Did Not Seat During SP 1070 Check Valve Testing PROD00015863 BACC CE 01131267, VC-16-40 Packing Leak PROD00015864 CA 1131469 RC-8-9 BA Indication Evaluation PROD00015865 CA 1131477 RC-8-31 BA Indication Evaluation PROD00015866 CA 1131479 RC-8-32 BA Indication Evaluation PROD00015867 Human Performance Event Investigation Tool (HUEIT) Form PROD00015868 Maintenance Rework Evaluation: 11/12/13 HTR DRM PMPS COND Injection CV-31039 Leaking PROD00015869 RCE Report: Site Response to Issues with SI-9-5, Event Date: June 2006 - March 2008 PROD00015870 RCE Report: Site Response to Issues with SI-9-5, Event Date: June 2006-March 2008, Revision 2 PROD00015871 8/5/2008 Action Tracking Search Engine PROD00015872 5/15/2008 Common Cause Evaluation Report: Perform Evaluation on 1R25 Fundamental Practices Issues PROD00015873 Potentially Superseded Calculations Spreadsheet PROD00015874 SOER Effectiveness Review Guide: Intake Cooling Water Blockage PROD00015875 8/18/2008 PI Screening Committee Meeting Minutes

30 Document Number Description PROD00015876 11/9/2007 Fleet Procedure: Human Performance Observation Program PROD00015877 BACC CE 01139150, VC-16-40 Packing Leak PROD00015878 BACC CE 01139192, SI-20-18 Packing Leak PROD00015879 10/7/2008 Letter from M. Wadley to US NRC re Amendment to Unit 3 Inservice Inspection Summary Report, Interval 4, Period 1, outage 2, Refueling Outage Dates: 11-15-2006 to 12-15-2006, Fuel Cycle 26: 06-11-2005 to 12-15-2006 PROD00015880 12/4/2006 Letter from A. Setlur with Automated Engineering Services to S. McCall with NMC re Review of 2R24 Observed Leakage through Concrete Adjacent to the Containment Shell in Sump B PROD00015881 4/30/2007 Apparent Cause Evaluation: Refuel cavity leakage into unit 2 sump B was noted on 11/23/2006, Revision 2 PROD00015882 3/3/2009 NSPM Corrective Action Effectiveness Review: Failure to adhere to due dates and procedural milestones have challenged the site's commitment to timely recognition and resolution of issues PROD00015883 RCE Report: Identified NRC Crosscutting Issues: Event Date: July 2, 2008 PROD00015884 RCE Report: Indentified NRC Crosscutting Issues: Event Date: July 2, 2008, Revision 1 PROD00015885 Human Performance Event Investigation Tool (HUEIT), Revision 2 PROD00015886 Executive Summary of World Association of Nuclear Operators (WANO)'s peer review of PINGP PROD00015887 Apparent Cause Evaluation: Component Cooling lines were identified as being affected by HELB in July 2006.

No CAP was initiated to determine operability for the impact of a High Energy Line Break on the required design functions of Component Cooling Water System PROD00015888 Description of necessity of Corrective Action Program PROD00015889 1/19/2009 Letter from M. Wadley to USNRC re LER 2-01-01, Unanalyzed Condition Due to Both Trains of Component Cooling Being Susceptible to a Postulated High Energy Line Break, Supplement 1 with License Event Report enclosed PROD00015890 8/15/2008 Operability Recommendation: re supply and return CC piping passing under main feedwater inlet piping PROD00015891 Root Cause Evaluation Charter: Prairie Island Organization failed to ensure design control to adequately protect Unit 2 Component Cooling Water system piping following a seismic-induced HELB event PROD00015892 REC Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008, Revision 0, Final Draft PROD00015893 RCE Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008:

Revision 0, Final Draft 2 PROD00015894 RCE Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008:

Revision 1, Final Draft PROD00015895 RCE Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008:

Revision 4, Final Draft

31 Document Number Description PROD00015896 RCE Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008:

Rewrite Revision 0 PROD00015897 RCE Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008:

Rewrite Revision 1 PROD00015898 RCE Report: Component Cooling Piping Adjacent to HELB Location in Turbine Building: Event Date: 7/29/2008:

Rewrite Revision 3 with comments and new dates PROD00015899 2/16/2010 RCE Report Evaluation: Component Cooling Piping Adjacent to HELB Location in Turbine Building:

Event Date PROD00015900 Operations Site Clock Reset - Red Sheet re misposition of manifold isolation valve, Event date: 7/31/2006 PROD00015901 RCE Report: 11 Turbine-Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning, Event Date: July 31, 2008, Revision 3 PROD00015902 Record of Changes to RCE Report: 11 Turbine-Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning PROD00015903 RCE Report: 11 Turbine-Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning, Event Date: July 31, 2008, Revision 2 PROD00015904 RCE Report: 11 Turbine-Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning, Event Date: July 31, 2008, Revision 1 PROD00015905 5/15/2009 SnapShot Report: Self-Assessment of RCE01146005 to 95001 PROD00015906 RCE Report: 11 Turbine-Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning, Event Date: July 31, 2008, Revision 1 PROD00015907 SOER Effectiveness Review Guide: 98-1, Safety System Status Control PROD00015908 SE-0430 PMRQ Search Engine PROD00015909 Report on CAP 01147542, Boric acid residue around 11 CS pump seal PROD00015910 Report on CAP01147568, Boric acid residue found on the 12 CS pump seal area PROD00015911 Report on CAP01147767, Boric acid residue found on pump seal area PROD00015912 Report on CAP01147778, Boric Acid crystals on CS-41 PROD00015913 Report on CAP01147779, Boric acid residue on bonnet of CS-43 PROD00015914 Security Safety Awareness and Hazard Identification Refresher PowerPoint PROD00015915 June 2006 Maintenance Rework Review Board Meeting Notes PROD00015916 CE 1151385 245-052 21 RCP BA Indication Evaluation PROD00015917 CE 1151385 245-052 21 RCP BA Indication Evaluation, Revision 1 PROD00015918 CE 1151390 CV-31462 22 ACCUM Test LN Before Check ISOL CV BA Indication Evaluation PROD00015919 CE 1151685 CV-31347 21 Letdown Orifice Isol CV A BA Indication Evaluation PROD00015920 Apparent Cause Evaluation: re boric acid leakage in Unit 2 Sump B PROD00015921 Report on CE 01156949-01 Packing Leak on Root Valves for FI-18246 PROD00015922 Report on CAP 01157264 245-051 21 RCP BA Indication Evaluation

32 Document Number Description PROD00015923 Radiation Protection / Chemistry Site Clock Reset - Red Sheet: Shipping container received by Waltz Mill that exceeded shipping limits for radioactive material, Event date: 10/29/2009 PROD00015924 RCE Report: Radioactive Material Shipment Exceeded DOT Limits, Event Date: October 30, 2008, Final Draft PROD00015925 RCE Report: Radioactive Material Shipment Exceeded DOT Limits, Event Date: October 30, 2008, Revision 2 PROD00015926 RCE Report: Radioactive Material Shipment Exceeded DOT Limits, Event Date: October 30, 2008, Revision 2 Final PROD00015927 Additional Information to clarify NRC identified comments on RCE - Transportation of Radioactive Materials PROD00015928 SnapShot Report: Self-Assessment of RCE01157726 to 95001 criteria PROD00015929 Job Analysis: Radiation Protection Specialist PROD00015930 Apparent Cause Evaluation: Programmatic weaknesses in the Human Performance Program have lead to a reduction in Defense in Depth and subsequent adverse/declining rend in Human Performance at the Site PROD00015931 Report on Human Performance Oversight PROD00015932 NSPM Corrective Action Effectiveness Review: Programmatic weaknesses in the HU Program have led to a reduction in Defense in Depth and subsequent adverse/declining trend in HU at the Site PROD00015933 Nuclear Safety Culture Communication Plan for 2009 PROD00015934 Memo on Initiation of CAPs PROD00015935 Memo on Initiation of CAPs PROD00015936 Needs Assessment Worksheet: Merits of training that discusses the roles of engineering and operations PROD00015937 Human Performance Case Studies PowerPoint PROD00015938 Maintenance Department Human Performance Case Study PowerPoint PROD00015939 Needs Assessment Worksheet: Generate a training request to consider a module that reinforces the value of formality and following formal processes PROD00015940 3/2009 External Design Document Suitability Review Checklist: Evaluation of Effect of Borated Water Leaks on Concrete, Reinforcing Bars, and Carbon Steel Plate of the Containment Vessels at Prairie Island Units 1 and 2 PROD00015941 Table of CAPs associated with the refueling pool leakage PROD00015942 5/21/2010 NSPM Corrective Action Effectiveness Review: Leakage through the anchor bolts of the internals stands and RCC Change Fixture PROD00015943 RCE Report: Refueling Cavity Leakage, Event Date: 1988-2008, Revision 2 PROD00015944 RCE Report: Refueling Cavity Leakage, Event Date: 1988-2008, Draft PROD00015945 RCE Report: Refueling Cavity Leakage, Event Date: 1988-2008, PARB Approved PROD00015946 Response to RAI B2138-02 UD359 PROD00015947 PI Operations - Performance Review - January 2009 PROD00015948 Report on BACC CE 01160641, MV-32067 Packing Leak PROD00015949 Report on BACC CE 01139192, SI-20-18 Packing Leak PROD00015950 Report on BACC CE 01160647, SI-20-18 Packing Leak PROD00015951 Report on CE 01160650 MV-32070 1 SAF ING Loop A Cold LEG ISOL MV

33 Document Number Description PROD00015952 2/9/2009 Common Cause Evaluation Report: Evaluation to determine if safety culture impacts are seen site wide PROD00015953 2/9/2009 Common Cause Evaluation Report: Evaluation to determine whether safety culture impacts are seen site wide PROD00015954 Evaluation of Safety Culture Chart PROD00015955 Evaluation of Safety Culture Chart PROD00015956 Maintenance Rule System Specific Basis Document, Revision 13 PROD00015957 Model Work Order Status 25 PROD00015958 12/1-5/2008 Prairie Island Human Performance Independent Assessment PROD00015959 AR 01162493 Close out documentation: Inadequate Risk Avoidance PROD00015960 Prairie Island Operations - Performance Review - Jan. 2009 PROD00015961 Prairie Island Human Performance Independent Assessment, 12/1-5/2008 Final PROD00015962 Apparent Cause Evaluation: Opportunities to identify HELB & CC system interaction were missed PROD00015963 Design Engineering Department: Department Clock Reset - Yellow Sheet re operability of the Component Cooling Water system: Event Date 12/15/2008 PROD00015964 3/26/2009 AT-0377 ATKPI Drill State - AS Spreadsheet PROD00015965 Prairie Island Human Performance Independent Assessment, 12/1-5/2008 Draft PROD00015966 NSPM Corrective Action Effectiveness Review re instances where personnel have performed tasks for which they are not qualified PROD00015967 Event Narrative: Rx Power Delta During SP 2318.3 PROD00015968 RCE Report: Human performance & Cross-Cutting NRC Violations, Draft, PARB approved, with comments PROD00015969 RCE Report: Human Performance & Cross-Cutting NRC Violations, Draft PROD00015970 Problem Statement Development Sheet: SCAQ - Inadequate CAP resolution of significant issues PROD00015971 Root Cause Evaluation Manual: CAP has not consistently resolved significant issues resulting in problems PROD00015972 RCE Report: SCAQ - Inadequate CAP Resolution of Significant Issues, Event Date: 1/26/2009, Final Report PROD00015973 RCE Report: SCAQ - Inadequate CAP Resolution of Significant Issues, Event Date: 1/26/2009, Final Report with Comments PROD00015974 4/27/2009 Target Zero: No Accidents, No Events, No Job Is Routine: Human Performance Improvement Plan Actions PROD00015975 10/20/2008 Assignment to K. Petersen: Communicate to liaisons and managers PROD00015976 10/5/2008 Assignment to K. Petersen, Determine if PI will use TND PROD00015977 12/30/2008 Assignment to S. McCall: Conduct CAP Backlog Reduction Meetings on a Regular Basis PROD00015978 12/22/2008 Assignment to S. Skoyen: Conduct CAP Backlog Reduction meetings on a regular basis PROD00015979 12/2/2008 Assignment to S. Myers: Conduct CAP backlog reduction meetings on a regular basis PROD00015980 4/5/2007 Assignment to T. Allen: Conduct a human performance event PROD00015981 3/19/2008 Assignment to K. Petersen re CAP due date documentation PROD00015982 11/6/2007 Assignment to K. Petersen: Address the 7 CAP's identified deficiencies

34 Document Number Description PROD00015983 11/24/2008 Assignment to S. McCall: Close out CAP's in CAP backlog PROD00015984 7/11/2007 Assignment to R. Womack: Define actions that will be taken to correct the issue of overdue CAPs PROD00015985 License Renewal Working Areas spreadsheet PROD00015986 06/15/2009 log re Develop and Implement Site CAP Key Performance Indicator PROD00015987 07/30/2009 log re Site Rollout of Principles for a Strong Nuclear Safety Culture PROD00015988 05/20/2009 log re Develop and Implement CAP priority matrix PROD00015989 log re Complete FSA on CAP process effectiveness PROD00015990 03/20/2009 log re CAP performance indicators do not represent CAP health PROD00015991 07/09/2008 log re Feedback from 2007 PI&R Inspection PROD00015992 07/09/2008 log re Feedback from2007 PI&R Inspection PROD00015993 11/08/2007 log re Take actions to correct ineffective actions taken on CAP PROD00015994 PRIDE Performance Recovery Plan PROD00015995 PI Performance Recovery Plan flowchart PROD00015996 02/16/2009 letter from M. Wadley to H. Coates of INPO re PINGP Action plan PROD00015997 08/07/2009 Station Performance Improvement agenda PROD00015998 Apparent Cause Evaluation re Continued Trend in Worker Qualification Issues PROD00015999 08/28/2009 Common Cause Evaluation Report re ALARA Planning/Work Controls associated with Rad Shipping Incident PROD00016000 05/15/2009 Common Cause Evaluation Report re ALARA Planning/Work Controls associated w Rad Shipping Incident PROD00016001 02/13/2009 Human Performance Event Investigation Tool re CAP actions being closed incorrectly PROD00016002 01/08/2009 Human Performance Department Clock Reset - Yellow Sheet re NRC Findings with cross cutting aspects PROD00016003 08/29/2009 Action Request Record Report re Unplanned entry into T.S. 3.2.4 Cond A PROD00016004 Apparent Cause Evaluation re Adverse Trend in Procedure Use and Adherence PROD00016005 Past Operability of 11&12 refueling cavity pool liners PROD00016006 CAP trends charts PROD00016007 Apparent Cause Evaluation re Unplanned Safety System Actuation of 121 Motor-Driven Cooling Water Pump while aligned for safeguards use PROD00016008 06/24/2009 Common Cause Evaluation Report re Station Human Performance items identified by NRC PROD00016009 Less than Adequate Operability Determination for Refuel Pool Cavity PROD00016010 Apparent Cause Evaluation re Potential Negative Trend in Human Performance evidenced by 3 NRC Violations with associated Crosscutting Aspects PROD00016011 01/05/2009 PI Site-Wide Stand Down presentation PROD00016012 04/06/2009 letter from D. Buschbaum of PWR Owners Group to PWROG Executive Committee re Utility's commitment to implement PWROG Stainless Steel Heater Sleve Inspection Recommendations

35 Document Number Description PROD00016013 01/30/2009 CAP Action Request Process manual PROD00016014 CAP recovery plan PROD00016015 Action Tracking Search Engine PROD00016016 Action Tracking Search Engine PROD00016017 01/09/2009 Human Performance Program manual PROD00016018 08/05/2009 SnapShot Evaluation of HUIT Compliance with Procedural Requirements PROD00016019 08/28/2009 SnapShot Report re Human Performance Improvement Team PROD00016020 Human Performance Case Studies presentation PROD00016021 Maintenance Department Human Performance Case Study presentation PROD00016022 03/12/2009 Supervisory Diagnostic Assessment - Attachment and Summary PROD00016023 11/24/2008 Action Request Report re USA Safety Culture FSA Weakness - Work Force Planning has not been fully effective PROD00016024 02/17/2009 Common Cause Evaluation Report re Analyze important PI documentation to determine what Safety Culture Vulnerabilities exist PROD00016025 NSPM Corrective Action Effectiveness Review re Adverse trend in station safety culture, specifically in Human Performance and Corrective Action PROD00016026 Apparent Cause Evaluation re personnel Accountability PROD00016027 04/08/2010 letter from M. Schimmel to NRC re Unanalyzed Condition Due to Potential Safety System Susceptibility to Turbine Building Flooding Due to a Postulated High Energy Line Break PROD00016028 05/11/2009 Packing Leak PROD00016029 Site Xcellence table PROD00016030 Apparent Cause Evaluation re PI's cross cutting index PROD00016031 Energy Supply Policy System - Nuclear Safety Culture and Risk Management Principles PROD00016032 CAP 01183112-20 Evaluation of the 6 NRC violations (in the last 4 Quarters) in the NRC Crossing Aspect Conservative Assumptions H.1.b PROD00016033 Corrective Action Implementation Gap Analysis: Implementation Standards PROD00016034 Evaluation Gap Analysis re Corrective Action Program PROD00016035 07/31/2008 RCE Report re 11 Turbine-Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning PROD00016036 Evaluation of Safety Culture Impacts table PROD00016037 11/03/2009 Performance Assessment Review Board Agenda re ensure Corrective Action, Self-Assessment, Operating Experience and Human Performance programs and processes are achieving desired level of performance improvement PROD00016038 Corrective Action Program Backlog Aggregate Review PROD00016039 10/23/2009 PI Performance Improvement Excellence Plan PROD00016040 Request CAP for Adverse Trend in Station Safety Culture

36 Document Number Description PROD00016041 08/05/2009 Common Cause Evaluation Report re CAP assignments not being accepted within 7 days PROD00016042 07/07/2009 NRC Information Notice re PINGP Unit 1 - Loss of Turbine-Driven AFW Pump PROD00016043 12/21/2009 Apparent Cause Evaluation re Trend in HU to improve effectiveness of HU Improvement Team have not been effective PROD00016044 Evaluation of Safety Culture Impacts table PROD00016045 09/2009 SOER Evaluation Guideline re Organizational Effectiveness - Shutdown Safety Recommendation 1 PROD00016046 09/2009 SOER Evaluation Guideline re Maintenance & Work Management - Shutdown Safety Recommendation 10 PROD00016047 09/2009 SOER Evaluation Guideline re Performance Improvement and Learning - Shutdown Safety Recommendation 12 PROD00016048 09/2009 SOER Evaluation Guide re Operations/Operational Focus - Shutdown Safety Operations Recommendations (3, 4, 5, 6, and 7)

PROD00016049 09/2009 SOER Evaluation Guideline re Maintenance & Work Management - Shutdown Safety Recommendation 9

PROD00016050 07/14/2009 Human Performance event Investigation Tool re Closure of CAPR when all disqualifications have not been fully completed PROD00016051 CE 1198070 CV-31325 11 Letdown Orifice ISOL CV A BA Indication Evaluation PROD00016052 BACC CE 01198376, 11 RCP Vault Boric Acid Evaluation PROD00016053 2/17/2009 Common Cause Evaluation Report re: analysis of Prairie Island documentation to determine what Safety Culture Vulnerabilities (exposures) exist PROD00016054 NRC Performance Summary Inspection Results and NRC Open Issues PROD00016055 Apparent Cause Evaluation CAP AR#: 01198937-01 re: failed Boric Acid Integrator PROD00016056 Chart of Evaluation of Safety Culture Impacts PROD00016057 Evaluation of Safety Culture Impacts form PROD00016058 Evaluation of Safety Culture Impacts form PROD00016059 Evaluation of the impact of continuing refueling cavity leakage PROD00016060 11/6/2009 Apparent Cause Evaluation CAP AR#: 01201547 re: Probabilistic Risk Assessment for 12 Auxiliary Feedwater Pump and other items PROD00016061 11/6/2009 Apparent Cause Evaluation CAP AR#: 01201547 re: Probabilistic Risk Assessment Allowable Out-of-service Time (AOT) for Electrical Bus 16, 12 Diesel Driven Cooling Water Pump (12 DDCLP) and 12 Auxiliary Feedwater Pump (12 AFWP)

PROD00016062 11/6/2009 Apparent Cause Evaluation CAP AR#: 01201547 re: Probabilistic Risk Assessment (PRA) Allowable Out-of-service Time (AOT) for Electrical Bus 16, 12 Diesel Driven Cooling Water Pump (12 DDCLP) and 12 Auxiliary Feedwater Pump (12 AFWP)

PROD00016063 Evaluation of Safety Culture Impacts form PROD00016064 7/8/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers

37 Document Number Description PROD00016065 7/8/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers PROD00016066 9/17/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers PROD00016067 7/8/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers PROD00016068 7/8/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers PROD00016069 9/17/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers PROD00016070 1/29/2009 PINGP Radiation Protection Implementing Procedure: Loading LSA Boxes/Sealand Containers PROD00016071 4/15/2009 Operability Recommendation PROD00016072 4/15/2009 Operability Recommendation PROD00016073 Evaluation of Safety Culture Impacts form PROD00016074 CE 01205105-05 17700-TEST manifold valve found out of expected position PROD00016075 BACC CE 01205141 CV-31450 12 Accum Test Ln Before Check Isol CV re: boric acid leakage PROD00016076 Evaluation of Safety Culture Impacts form PROD00016077 3/31/2010 Apparent Cause Evaluation CAP AR#: 01205626 re: 12 Reactor Coolant Pump shut down PROD00016078 Northern States Power Company PINGP Station Blackout/Electrical Safeguards Upgrade Program Design Report PROD00016079 CE 1206901 RC-17-1 BA Indication Evaluation re: boric acid leakage PROD00016080 CE 1206902 VC-16-26 BA Indication Evaluation re: dry boric acid on flange PROD00016081 Human Performance (HU) Conservative Decision Making Resolution report PROD00016082 Human Performance (HU) Conservative Decision Making Resolution report PROD00016083 Steam Generator Integrity Guidelines Requirements Cross-reference Spreadsheet PROD00016084 Evaluation of Safety Culture Impacts form PROD00016085 2/11/2010 Apparent Cause Evaluation CAP AR#: 1211486 re: 11 TD Auxiliary Feedwater Pump PROD00016086 2/12/2010 PINGP ARs Were Not Written After Discovery of Conditions Adverse to Quality. Event Date: January 18, 2010. RCE: AR 01211532-06 PROD00016087 2/12/2010 PINGP ARs Were Not Written After Discovery of Conditions Adverse to Quality. Event Date: January 18, 2010. RCE: AR 01211532-06 PROD00016088 Needs Assessment Worksheet re Corrective Action Program PROD00016089 2/26/2010 Apparent Cause Evaluation CAP AR#: 01212774 re: macrofouling of the 12/22 diesel-driven cooling water pump PROD00016090 7/11/2008 letter from J.W. Baker to H. Hoelscher re: Prairie Island Unit 2 Cycle 25 Final Reload Safety Evaluation PROD00016091 Evaluation of Safety Culture Impacts form PROD00016092 RCE Report. Prairie Island. Loss of Control of Radioactive Sources and Sensitive Keys. Event Date: 12/13/06 (occurred - VHRA key) 1/20/10 (discovered - VHRA key)

PROD00016093 3/12/2010 RCE Report. Prairie Island Loss of Control of Radioactive Sources and Sensitive Keys. Event Date:

121/13/2006 (occurred - VHRA key) 1/20/2010 (discovered - VHRA key)

38 Document Number Description PROD00016094 2/24/2010 Apparent Cause Evaluation CAP AR#: 1214959 re: operator decision making weaknesses PROD00016095 3/26/2010 Apparent Cause Evaluation CAP AR#: 12114959 re: operator decision making weaknesses PROD00016096 2/26/2010 Apparent Cause Evaluation CAP AR#: 1214963-01 re: maintenance performance and behaviors in human error prevention, foreign material exclusion (FME), and lifting and rigging practices PROD00016097 3/5/2010 Apparent Cause Evaluation CAP AR#: 1214963-01 re: maintenance performance and behaviors in human error prevention, foreign material exclusion (FME), and lifting and rigging practices PROD00016098 Evaluation of Safety Culture Impacts form PROD00016099 4/11/2010 Maintenance 2010 Excellence Plan re: Human Performance and Industrial Safety, Equipment Reliability and Corrective Action Program Improvements PROD00016100 Evaluation of Safety Culture Impacts form PROD00016101 3/18/2010 Apparent Cause Evaluation CAP AR#: 01214975 re: safety problems including auxiliary feedwater pump issues PROD00016102 3/18/2010 Apparent Cause Evaluation CAP AR#: 01214975 re: safety problems including auxiliary feedwater pump issues PROD00016103 2/22/2010 Apparent Cause Evaluation CAPA AR#: 01214980 re: aligning the engineering department to consistently resolve technical issues PROD00016104 RCE Report PINGP INPO AFI Operational Configuration Control (CM.2-1) Event Date: 1/23/2010. RCE:

01214986-01 PROD00016105 RCE Report PINGP INPO AFI Operational Configuration Control (CM.2-1) Event Date: 1/23/2010. RCE:

01214986-01 PROD00016106 4/8/2010 Apparent Cause Evaluation CAP AR#: 01215005 re: failures of safety-related components PROD00016107 Evaluation of Safety Culture Impacts form PROD00016108 Evaluation of Safety Culture Impacts form PROD00016109 2/24/2010 Apparent Cause Evaluation CAP AR#: 01215434 re: CC-5-2 failed to meet the differential pressure acceptance criteria of SP 1155B during IST Check valve Closure testing due to boundary valve leakage PROD00016110 Evaluation of Safety Culture Impacts form PROD00016111 3/23/2010 Apparent Cause Evaluation CAP AR#: 01215887-01 rev.3 re: radioactive tool found outside the PI Radiologically Controlled Area PROD00016112 4/29/2010 Apparent Cause Evaluation CAP AR#: 01215887-01 rev.4 re: radioactive tool found outside the PI Radiologically Controlled Area (RCA)

PROD00016113 2/25/2010 Apparent Cause Evaluation CAP AR#: 01215887-01 re: tools alarming the radiological detector PROD00016114 Evaluation of Safety Culture Impacts form PROD00016115 Evaluation of Safety Culture Impacts form PROD00016116 Evaluation of Safety Culture Impacts form PROD00016117 Evaluation of Safety Culture Impacts form PROD00016118 Prairie Island Updated Safety Analysis Report Section 10

39 Document Number Description PROD00016119 BACC CE 01217332 MV-32170 BA Indication Evaluation re: Boric Acid deposit PROD00016120 Evaluation of Safety Culture Impacts form PROD00016121 BACC CE 01217660 2SI-20-54 BA Indication Evaluation re: valve packing leak which left one cup of Boric Acid deposit PROD00016122 2/4/1981 NSPM report re: Auxiliary Feedwater Systems Information PROD00016123 BACC CE 01218885, MV-32067 Packing Leak re: boric acid leakage PROD00016124 CE 01218894 MV-32068 1 SAF INJ Loop B Cold Leg Isol MV re: boric acid leakage PROD00016125 Evaluation of Safety Culture Impacts form PROD00016126 Evaluation of Safety Culture Impacts form PROD00016127 Evaluation of Safety Culture Impacts form PROD00016128 Evaluation of Safety Culture Impacts form PROD00016129 Evaluation of Safety Culture Impacts form PROD00016130 Evaluation of Safety Culture Impacts form PROD00016131 Evaluation of Safety Culture Impacts form PROD00016132 Evaluation of Safety Culture Impacts PROD00016133 BACC CE 01227719 CV-31425 Indication re: boric acid on many portions of a valve due to previous refueling cavity leakage PROD00016134 BACC CE 01227719 CV-31425 Indication re: boric acid found on valve due to previous refueling cavity leakage PROD00016135 BACC CE 01227719 CV-31425 Indication re: boric acid found on valve due to refueling cavity leakage PROD00016136 BACC CE 1227969 MV-32169 2 RCS LP B Cold Leg RHR INJ MV BA Indication Evaluation re: boric acid indication PROD00016137 BACC CE 1227969 MV-32169 2 RCS LP B Cold Leg RHR INJ MV BA Indication Evaluation re: boric acid indication PROD00016138 BACC CE 1227969 Rev.2 MV-32169 2 RCS LP B Cold Leg RHR INJ MV BA Indication Evaluation re: boric acid indication PROD00016139 BACC CE 1227969 Rev.2 MV-32169 2 RCS LP B Cold Leg RHR INJ MV BA Indication Evaluation re: boric acid indication PROD00016140 5/23/2010 BACC CE 1228272 CV-31349 21 Letdown Orifice Isol CV C BA Indication Evaluation re: boric acid leakage PROD00016141 Problem Statement Development Sheet (PSDS): Programmatic Breakdown of Site Labeling Program re:

mispositioned valve on TDAFW PROD00016142 5/1/2010 BACC CE 01230445 2RC-1-2 Loop A to 21 RCDT BA Indication Evaluation: re: boric acid leakage PROD00016143 5/20/2010 BACC CE 01230445 2RC-1-2 Loop A to 21 RCDT BA Indication Evaluation re: boric acid leakage PROD00016144 5/14/2010 BACC CE 01232430 Leakage into Sump C re: entry of refueling cavity water into sump C PROD00016145 Notebook Attachment for Issue Number 19983551 re: water entering Sump B perhaps from refueling cavity

40 Document Number Description PROD00016146 External Operating Experience (XOE) Notebook Issue Number: 20016277 re: Recent Events Involving Reactor Coolant System Leakage at Pressurized Water Reactors PROD00016147 Re-Assessment of PINGP Response to INPO SOER 98-1 "Safety System Status Control" ACC 20014392 PINGP October 2001 PROD00016148 INPO Significant Event Notification SEN 229: Reduced Level and Concentration in the Borated Water Storage Tanks of the Emergency Core Cooling and Residual Heat Removal System PROD00016149 PINGP Root Cause Investigation Report Condition Report No. 20014153 At 24 MW, During Performance of 2C1.3, Unit 2 Turbine Manually Tripped Due to High Condenser DP of 2.5" Hg with Vacuum Decreasing PROD00016150 Change Management Plan Trending Program Improvements July 2002 PROD00016151 5/2003/ Report, no author, no recipient, report on the self assessment process PROD00016152 Department Roll-Up Meeting Results Department: Maintenance, October-December 2006 PROD00016153 Nuclear Oversight 4th Quarter of 2006 Assessment Report for Prairie Island PROD00016154 PINGP Q-List Validation Project Spent Fuel Pool System Report, Draft for Comment PROD00016155 Site Resets 2006 - 2007 PROD00016156 10/16/2006 License Renewal Aging Management Program Basis Document re: Boric Acid Corrosion (Revision A)

PROD00016157 9/27/2006 License Renewal Aging Management Review Report re: Reactor Vessel (Revision B)

PROD00016158 3/7/2007 License Renewal Aging Management Review Report re: Reactor Containment Vessels Units 1 and 2 PROD00016159 License Renewal Aging Management Review Report: PINGP Auxiliary and Turbine Buildings, Revision 0 PROD00016160 3/13/2007 License Renewal Aging Management Review Report re: Shield Buildings Unit 1 and 2 PROD00016161 3/12/2007 License Renewal Aging Management Review Report re: Component Supports (Draft Revision B)

PROD00016162 License Renewal Aging Management Program Basis Document re: Structures Monitoring Program (Revision A)

PROD00016163 9/5/2007 License Renewal Aging Management Program Basis Document re: Structures Monitoring Program PROD00016164 Fourth Inservice Inspection Interval First Inspection Period Compliance Report PROD00016165 Environmental Awareness Material PROD00016166 2/27/2007 Prairie Island Excellence Plan PROD00016167 Focused Self-Assessment re SOER 02-04 Rev. 1 Implementation, "Principles for a Strong Nuclear Safety Culture," 7/16/07-8/17/07 PROD00016168 August 2007 Focused Self Assessment Nuclear Safety Questionnaire PROD00016169 Actions Taken to Address Identified CAP Issues PROD00016170 August 25 - September 15, 2006 Focused Self Assessment Report: PINGP Preparation for Component Design Bases Inspection Based on NRC Inspection Manual 71111.21 PROD00016171 April - June 2007 DRUM Results, Department: Engineering PROD00016172 License Renewal Aging Management Program Basis Document - Boric Acid Corrosion Program (Revision 1)

PROD00016173 License Renewal Aging Management Program Basis Document RE: Structures Monitoring Program PROD00016174 PI&R Inspection Report Review

41 Document Number Description PROD00016175 October - December 2007 DRUM Results: Engineering PROD00016176 2008 1st Quarter NMC Training Program Effectiveness Report re: Licensed Operator Requalification PROD00016177 Design Bases Document for the Motor-Operated Valves Topic PROD00016178 Design Bases Document for the Component Cooling System PROD00016179 1/17/2008 Nuclear Oversight Assessment Effectiveness Review PROD00016180 4/8/2008 Long Range Plan PROD00016181 2008 2nd Quarter NMC Training Program Effectiveness Report - Non-Licensed Operator PROD00016182 January - March 2008 Department Roll-up Meeting Results, Department: Engineering PROD00016183 5/20/2008 Email From T. Blake to J. Anderson, E. Weinkam, H. Butterworth RE: Meeting Follow Up, Cross Cutting Issue Evaluation PROD00016184 JANUARY - MARCH 2008 DRUM RESULTS RE: MAINTENANCE PROD00016185 1st and 2nd Quarter 2008 DRUM Report re Self-Assessments PROD00016186 April - June 2008 Department Roll-up Meeting Results, Department: Engineering PROD00016187 6/10/2008 Emergency Plan Drill Critique Report PROD00016188 7/1/2008 Letter from American Nuclear Insurers to Robert Miller RE: ANI Nuclear Liability Insurance Inspection PROD00016189 9/11/2008 Letter from American Nuclear Insurers to Robert Miller RE: ANI Nuclear Liability Insurance Inspection PROD00016190 Containment System, PowerPoint PROD00016191 October - December 2008 department Roll-up Meeting Results RE: Maintenance PROD00016192 2/9/2009 Department Roll-Up Meeting PROD00016193 Design Bases Document For The Reactor Protection System (Revision 4)

PROD00016194 Design Bases Document For The Auxiliary Building (Revision 5)

PROD00016195 Design Bases Document For The Cooling Water System (Revision 6)

PROD00016196 Design Bases Document for the Containment (Revision 7)

PROD00016197 Design Bases Document for the Reactor Coolant System PROD00016198 Design Bases for the Environmental Qualification of Electrical Equipment PROD00016199 7/31/2008 Turbine Driven Auxiliary Feed Pump Valve Mispositioning PROD00016200 2/11/2008 License Renewal Aging Management Program Basis Document RE: Boric Acid Corrosion Program PROD00016201 1/4/2008 Renewal Aging Management Program Basis Document PROD00016202 12/18/2007 Renewal Aging Management Program Basis Document (Revision 1)

PROD00016203 3/11/2008 Addendum To A License Renewal Report - Structures Monitoring Program PROD00016204 2/9/2008 License Renewal Aging Management Program Basis Document PROD00016205 3/6/2008 Addendum To A License Renewal Report - Thermal Aging Embrittlement Of Cast Austenitic Stainless Steel Program PROD00016206 Needs Assessment Worksheet - Reduced Shutdown Safety Margins (REVISION 6)

PROD00016207 6/6/2008 Job Familiarization Guide - Training Committee Chairperson

42 Document Number Description PROD00016208 9/7/2006 Letter from C. Haney at NRC to M. Redderman at NMC re: Letter of intent to adopt Title 10 Part 50.48(c) of Code of Federal Regulations for plants including PINGP PROD00016209 PINGP Fire Protection/Appendix R Focused Self Assessment (8/2008)

PROD00016210 3/4/2009 Action Request Record Report re: Ops review of CAPs PROD00016211 3/4/2009 Action Request Record Report re: PCR not complete by due date PROD00016212 7/9/2009 Challenge Board Notes re: RCE 1146005 and 95001 Inspection Readiness PROD00016213 4/29/2009 Addendum to a License Renewal Report re: Selective Leaching of Materials Program PROD00016214 2/2009 Addendum to a License Renewal Report re: External Surfaces Monitoring Program PROD00016215 2/10/2009 Letter from S. West at NRC to M. Wadley at Xcel re: PINGP Preliminary Yellow Finding PROD00016216 6/10/2009 Agenda for Curriculum Review Committee meeting (PI Security Training)

PROD00016217 Undated Accreditation Self-Evaluation Report PROD00016218 Undated Accreditation Self-Evaluation Report PROD00016219 Undated Accreditation Self-Evaluation Report PROD00016220 Undated Accreditation Self-Evaluation Report PROD00016221 2009 1st Quarter Engineering DRUM (4/30/2009)

PROD00016222 9/22/2009 Maintenance Rule A(1) Action Plan: Auxiliary Feedwater System PROD00016223 2/3/2010 Maintenance Rule A(1) Action Plan re: Auxiliary Feedwater System PROD00016224 Maintenance Rule System Specific Basis manual PROD00016225 Removal of concrete from sump C pit PROD00016226 Visual inspection of cavity leakage areas following refueling cavity repairs PROD00016227 7/24/2009 2nd Quarter DRUM Report for Production Planning Department PROD00016228 1st Quarter 2009 DRUM Report for RPC Department PROD00016229 5/14/2009 Letter from J. Giessner at NRC to M. Wadley at Xcel re: PINGP Units 1 and 2 NRC Integrated Inspection Report PROD00016230 6/11/2009 Letter from J. Giessner at NRC to M. Wadley at Xcel re: Information Request to Support Upcoming PINGP PI&R Inspection PROD00016231 Fall 2009 Planning and Approval of High Risk or Scheduled Risk Work form PROD00016232 7/30/2009 Xcel PINGP Inspection Program "B" Compliance Report PROD00016233 7/30/2009 2nd Quarter DRUM Report for Engineering Department PROD00016234 10/23/2009 3rd Quarter DRUM Report for Production Planning Department (draft)

PROD00016235 10/30/2009 3rd Quarter DRUM Report for Production Planning Department PROD00016236 8/13/2009 2nd Quarter DRUM Report for RPC Department PROD00016237 Power Point presentation titled Leadership Alignment Meeting re: CAP implementation (1/12/2010)

PROD00016238 8/5/2009 Letter and report from K.S. West at NRC to M. Wadley at Xcel re: PINGP Units 1 and 2 Preliminary White Finding PROD00016239 Comments on NRC Inspection report 200910 - Component Cooling Water System and HELB susceptibility

43 Document Number Description PROD00016240 SOER Effectiveness Review Guide PROD00016241 2007 PI Formal Benchmarking, Focused Self-Assessment, SnapShot Evaluation (INPO AFI related) Schedule Updated (10/25/2007)

PROD00016242 2008 PI Formal Benchmarking, Focused Self-Assessment, SnapShot Evaluation (INPO AFI related)

PROD00016243 2009 Focused Self-Assessment and Formal Benchmarking spreadsheet PROD00016244 2010 Focused Self-Assessment and Formal Benchmarking spreadsheet PROD00016245 5/28/2009 Letter and report from R. Daley at NRC to M. Wadley at Xcel re: PINGP Units 1 and 2 Triennial Fire Protection Inspection PROD00016246 2/16/2007 SnapShot Report re: Readiness for INPO Primary System Integrity Review Visit PROD00016247 Document titled BACC CE 01160641, MV-32067 Packing Leak PROD00016248 Document titled BACC CE 01160647, SI-20-18 Packing Leak PROD00016249 Document titled BACC CE 01184980, CS-12 BA Leak PROD00016250 Document titled BACC CE 1181702, MV-32177 Packing Leak PROD00016251 Document titled CE 01160650 MV-32070 1 SAF INJ Loop A Cold LEG ISOL MV PROD00016252 Xcel manual titled Check Valve Program Standard (2/12/2009)

PROD00016253 PINGP procedure manual titled IST Check Valve Condition Monitoring Program (3/30/2006)

PROD00016254 Document titled CA 1131477 RC-8-31 BA Indication Evaluation PROD00016255 Document titled CA 1131469 RC-8-9 BA Indication Evaluation PROD00016256 PINGP Design Bases Document for the Reactor Coolant System PROD00016257 PINGP Probabilistic Risk Assessment for Auxiliary Feedwater System (7/2008)

PROD00016258 PINGP Probabilistic Risk Assessment for Component Cooling System (8/2008)

PROD00016259 10/2009 NOS Observation Report re: Pre-95001 Inspection Assessment (Rad Material Shipment)

PROD00016260 Manual titled Reactor Coolant System (6/2007)

PROD00016261 9/25/2009 Letter from J. Giessner at NRC to M. Schimmel at Xcel re: PINGP Units 1 and 2 NRC Biennial Inspection PROD00016262 Xcel Training Program Effectiveness Report for PINGP Licensed Operator Requal (2009)

PROD00016263 Xcel Training Program Effectiveness Report for PINGP Shift Manager - STA (2009)

PROD00016264 12/12/2009 3rd Quarter DRUM Report for PI Radiation Protection and Chemistry Department PROD00016265 Untitled report re: 4/2009 HELB in turbine building PROD00016266 Concrete sampling following cavity leak repairs PROD00016267 Xcel Training Program Effectiveness Report for PI Licensed Operator Requal (1st Qtr 2010)

PROD00016268 Xcel Training Program Effectiveness Report for PI Shift Manager/Shift Technical Advisor (1st Qtr 2010)

PROD00016269 11/3/2009 Nuclear Oversight Assessment Effectiveness Review PROD00016270 1/31/2010 4th Quarter 2009 DRUM for Engineering Department PROD00016271 1/12/2010 Letter from A. Boland at NRC to M. Schimmel at PINGP re: PINGP Units 1 and 2 NRC Supplemental Inspection Report

44 Document Number Description PROD00016272 2/8/2010 Letter from J. Giessner at NRC to M. Schimmel at PINGP re: NRC Integrated Inspection Report PROD00016273 3/15/2010 INPO AFI Status Report PROD00016274 Causal analysis and INPO assessment PROD00016275 3/11/2009 NOS Observation Report re: Operations PROD00016276 1/8/2010 NOS Observation Report re: Operations PROD00016277 3/27/2010 NOS Observation Report re: Operations PROD00016278 PINGP Updated Safety Analysis Report, Section 1 (undated)

PROD00016279 PINGP Updated Safety Analysis Report, Reactor Coolant System (undated)

PROD00016280 Report re: findings and observations and other nuclear plants, with PINGP response PROD00016281 Letter from M. Schimmel at PINGP to US NRC re: 30-day response to Human Performance substantive cross-cutting issue PROD00016282 3/3/2010 Letter from S. West at NRC to M. Schimmel re: Annual Assessment Letter - PINGP Units 1 and 2 PROD00016283 4/22/2010 1st Quarter DRUM Report for Security Department PROD00016284 Undated letter from M. Schimmel to NRC re: Supplement to License Amendment Request for Measurement Uncertainty Recapture (draft)

PROD00016285 Undated letter with enclosures from M. Schimmel to NRC re: Supplement to License Amendment Request for Measurement Uncertainty Recapture (draft)

PROD00016286 4/12/2010 Letter from A.M. Stone at NRC to M. Schimmel re: PINGP, Units 1 and 2 Ultimate Heat Sink Inspection Report PROD00016287 5/20/2010 Desk Guide/Job Aid titled Corrective Action Program PROD00016288 Work Order Log PROD00016289 Work Order Log PROD00016290 9/10/2005 Power Point SOER 02-4 Prairie Islands Response PROD00016291 SOER 02-4 Evaluation PROD00016292 External Operating Experience (XOE) Notebook: Recent Experience with Reactor Coolant System Leakage and Boric Acid Corrosion PROD00016293 External Operating Experience (XOE) Notebook: Reactor Vessel Bottom Mounted Instrument Penetration Seepage PROD00016294 7/13/2000 PI Internal Operating Experience Assessment: 22 Steam Generator cold Leg Bowl Drain Plug Installation PROD00016295 7/13/2000 Prairie Island Internal Operating Experience Assessment: 22 Steam Generator cold Leg Bowl Drain Plug Installation PROD00016296 2003 External Operating Experience (XOE) Notebook: Severe Damage to Fuel External to the Reactor due to a Loss of Decay-Heat Removal PROD00016297 External operating experience (XOE) Notebook re Operational Decision making PROD00016298 Notes from NRC meeting/conference

45 Document Number Description PROD00016299 External Operating Experience (XOE) Notebook - Regulatory Information Conference - Safety Conscious Work Environment PROD00016300 Notes from NRC meeting PROD00016301 Notes from NRC meeting PROD00016302 External operating experience (XOE) notebook - Internal OE PROD00016303 8/25/2008 NRC Regulatory issue summary 2005-18 Guidance for establishing and maintaining a safety conscious work environment PROD00016304 Operating experience evaluation re DAEC RCE1035 applicability to PINGP PROD00016305 Operating experience evaluation re DAEC RCE1035 for applicability to PINGP PROD00016306 Duane Arnold Energy Center: Root cause analysis of an adverse trend in tagging process issues at the DAEC -

Event date 9/15/2005 PROD00016307 Operating Experience Evaluation: 2008 Evaluation Report - Organizational Effectiveness Analysis PROD00016308 22 TURBINE DRIVEN AUXILIARY FEEDWATER PUMP AUTO START AND FUNCTIONAL REFUELING OUTAGE TEST Rev 16 effective 12/16/2005 PROD00016309 22 TURBINE DRIVEN AUXILIARY FEEDWATER PUMP AUTO START AND FUNCTIONAL REFUELING OUTAGE TEST Rev 17 PROD00016310 ASME Inservice Testing Program rev 18 with attachments PROD00016311 22 TURBINE DRIVEN AUXILIARY FEEDWATER PUMP AUTO START AND FUNCTIONAL REFUELING OUTAGE TEST Rev 18 PROD00016312 ASME Inservice Testing Program rev 18 with attachments PROD00016313 Boric Acid Corrosion Control Program rev 8 PROD00016314 Boric Acid Corrosion Control Program rev 7 PROD00016315 Root Cause Evaluation Instructions: establishes guidance and requirements for the conduct of root cause evaluation at Prairie Island rev 10 effective 7/1/2005 PROD00016316 ASME Inservice Testing Program rev 20 and attachments PROD00016317 10/4/2005 DBD Change Notice Rev 4 Auxiliary Feedwater System PROD00016318 Design Bases Document for the Cooling Water System Rev 5 PROD00016319 Design Bases Document for the Containment rev 6 PROD00016320 Conduct of Operations Procedure rev 2 PROD00016321 Systematic Approach to Training (SAT) Overview Procedure rev 5 effective date 7/1/2005 PROD00016322 Unit 2 Insulated Bolted Connection Inspection rev 4 PROD00016323 Unit 1 Insulated Bolted Connection Inspection rev 6 PROD00016324 Unit 1 Insulated Bolted Connection Inspection rev 6 PROD00016325 Unit 1 Insulated Bolted Connection Inspection rev 6 PROD00016326 Unit 1RCS Bolting Inspection rev 5 PROD00016327 Unit 1 Insulated Bolted Connection Inspection rev 6

46 Document Number Description PROD00016328 Containment at Power Quarterly Inspection rev 48 PROD00016329 ASME Inservice Testing Program re 21 and attachments PROD00016330 Boric Aid Corrosion Control Program Rev 8 PROD00016331 Boric Acid Corrosion Control Program rev 9 PROD00016332 Containment at Power Quarterly Inspection rev 49 PROD00016333 Containment at Power Quarterly Inspection Procedure rev 48 with effective date 2/12/2007 PROD00016334 Maintenance Procedure: Refuel Cavity Caulking, Rev. 0 PROD00016335 Refuel Cavity Caulking Procedure rev 0 PROD00016336 Boric Acid Corrosion Control Program rev 10 PROD00016337 Boric Acid Corrosion Control Program rev 10 with effective date 6/5/2007 PROD00016338 Simulator Exercise Guide (2/23/2007)

PROD00016339 Turbine Driven Auxiliary Feedwater Pump Autostart and Functional Refueling Outage Test. (12/16/2005)

PROD00016340 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016341 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016342 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (Rev. 19)

PROD00016343 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016344 Turbine Driven Aux Feed Pump Refueling Inspection (3/16/2007)

PROD00016345 Boric Acid Corrosion Control Program PROD00016346 ASME Inservice Testing Program PROD00016347 Boric Acid Corrosion Control Manual (7/13/2007)

PROD00016348 Boric Acid Corrosion Control Program PROD00016349 Containment Inspection Plan PROD00016350 Plant Check Valve Program PROD00016351 Prairie Island Check Valve Program (10/18/2007)

PROD00016352 Plant Check Valve Program PROD00016353 Plant Check Valve Program PROD00016354 Turbine Drive Aux Feed Pump Refueling Inspection (7/26/2007)

PROD00016355 Relief Valve Program PROD00016356 Isolation, Restoration, and Testing of Aux Feed Pump PROD00016357 Isolation, Testing, and Restoration of 22 Aux Feed Pump PROD00016358 Isolation, Testing, and Restoration of 22 Aux Feed Pump PROD00016359 Reactor Vessel Integrity Program PROD00016360 Sampling and Analysis Guidance for Deposits Found on Reactor Pressure Vessels at Various Locations (Sept.

2003)

PROD00016361 Isolation, Testing, and Restoration of Aux Feed Pump PROD00016362 Isolation, Testing, and Restoration of Aux Feed Pump

47 Document Number Description PROD00016363 Tactical Drill & Force on Force Exercise Program (9/13/2007)

PROD00016364 ASME Inservice Testing Program PROD00016365 Boric Acid Corrosion Control Program (8/27/2007)

PROD00016366 Boric Acid Corrosion Control Program PROD00016367 Boric Acid Corrosion Control Program PROD00016368 Industrial Safety Work Practices PROD00016369 Significant Hazard Events PROD00016370 Significant Hazard Events PROD00016371 Significant Hazard Events PROD00016372 Significant Hazard Events PROD00016373 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016374 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016375 Reactor Vessel Integrity Program PROD00016376 Quality Assurance Topical Report PROD00016377 ASME Inservice Testing Program PROD00016378 Reactor Coolant System Integrity Test PROD00016379 Isolation, Restoration, and Testing of Aux Feed Pump (11/20/2007)

PROD00016380 Isolation, Restoration, and Testing of Aux Feed Pump PROD00016381 Temporary Change Request for: Isolation, Restoration, and Testing of Aux Feed Pump (11/20/2007)

PROD00016382 Isolation, Restoration, and Testing of Aux Feed Pump PROD00016383 Isolation, Restoration, and Testing of Aux Feed Pump PROD00016384 Temporary Change Request for Reactor Coolant System integrity Test (6/19/2007)

PROD00016385 Temporary Change Request for Reactor Coolant System Integrity Test (6/19/2007)

PROD00016386 Reactor Coolant System Integrity Test (9/27/2006)

PROD00016387 Reactor Coolant System Integrity Test PROD00016388 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (9/12/2007)

PROD00016389 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016390 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (9/12/2007)

PROD00016391 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (12/17/2007)

PROD00016392 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (12/17/2007)

PROD00016393 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016394 Unit 1 reactor Vessel Closure PROD00016395 Unit 2 Reactor Vessel Closure.

PROD00016396 4th Interval Inservice Inspection Plan - Units 1 & 2 (6/9/2008)

PROD00016397 4th Interval Inservice Inspection Plan - Units 1 & 2 PROD00016398 Refuel Cavity Caulking

48 Document Number Description PROD00016399 Reactor Coolant System Integrity Test PROD00016400 Reactor Coolant System Integrity Test PROD00016401 Reactor Coolant System Integrity Test PROD00016402 Industrial Safety Work Practices PROD00016403 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016404 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016405 ASME Inservice Testing Program PROD00016406 Component Cooling System - Unit 2 PROD00016407 Unit 2 Reactor Vessel head Removal PROD00016408 Unit 2 Reactor Vessel Head Removal.

PROD00016409 Unit 2 Reactor Vessel Closure PROD00016410 Asme Section XI Inservice Inspection and Pressure Testing(6/22/2007)

PROD00016411 Asme Section XI Inservice Inspection and Pressure Testing PROD00016412 Temporary Change Request for Reactor Coolant System Integrity Test (7/31/2008)

PROD00016413 Temporary Change Request for Reactor Coolant System Integrity Test (7/31/2008)

PROD00016414 Temporary Change Request for Reactor Coolant System Integrity Test (7/31/2008)

PROD00016415 Reactor Coolant System Integrity Test PROD00016416 Containment Inspection Plan (11/13/2007)

PROD00016417 Containment Inspection Plan PROD00016418 Unit 1 Insulated Bolted Connection Inspection (2/13/2008)

PROD00016419 Unit 1 Insulated Bolted Connection Inspection (2/13/2008)

PROD00016420 Unit 1 Insulated Bolted Connection Inspection PROD00016421 Unit 1 Insulated Bolted Connection Inspection PROD00016422 Refuel Cavity Caulking PROD00016423 Plant Check Valve Program PROD00016424 Unit 2 Reactor Vessel Head Removal PROD00016425 Isolation, Restoration and Testing or Aux Feed Pump PROD00016426 Isolation, Restoration and Testing or Aux Feed Pump PROD00016427 ASME Inservice Testing Program (1/15/2008)

PROD00016428 Unit 2 Reactor Vessel Closure PROD00016429 Reactor Coolant System Integrity Test PROD00016430 Reactor Coolant System Integrity Test PROD00016431 Reactor Coolant System Integrity Test PROD00016432 Temporary Change Request for Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (10/26/2008).

PROD00016433 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test

49 Document Number Description PROD00016434 Temporary Change Request for Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (9/30/2008).

PROD00016435 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (11/14/2008).

PROD00016436 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (11/14/2008)

PROD00016437 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROD00016438 Temporary Change Request for Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (10/26/2008).

PROD00016439 Temporary Change Request for Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test (10/26/2008).

PROD00016440 Site Training and Staff Selection (1/25/2008)

PROD00016441 Site Training and Staff Selection PROD00016442 4th Interval Inservice Inspection Plan - Units 1 & 2 PROD00016443 Reactor Coolant System Integrity Test PROD00016444 Relief Valve Program PROD00016445 Containment at Power Quarterly Inspection PROD00016446 Plant Check Valve Program PROD00016447 Leakage Examination of Pressure Retaining Components on the Reactor Vessel Head (10/19/2006).

PROD00016448 Leakage Examination of Pressure Retaining Components on the Reactor Vessel Head PROD00016449 Packaging of Radioactive Material For Shipment PROD00016450 Packaging of Rad Material for Shipment PROD00016451 Packaging Radioactive Material for Shipment PROD00016452 Packaging Radioactive Material for Shipment PROD00016453 Packaging Radioactive Material for Shipment PROD00016454 Relief Valve Program (5/20/2008)

PROD00016455 Relief Valve Program PROD00016456 ASME Section XI Inservice Inspection and Pressure Testing PROD00016457 Industrial Safety Work Practices PROD00016458 Reactor Vessel Integrity Program PROD00016459 Reactor Vessel Integrity Program PROD00016460 Boric Acid Corrosion Control Program (2/16/2009)

PROD00016461 Boric Acid Corrosion Control Program PROD00016462 Packaging of Radioactive Material for Shipment PROD00016463 Packaging of Radioactive Material for Shipment PROD00016464 Temporary Change Request for Isolation, Restoration, and Testing of Auxiliary Feedwater Pump (9/20/2008)

PROD00016465 Temp Change Request for Isolation, Restoration, and Testing of Auxiliary Feedwater Pump (9/30/2008)

PROD00016466 Isolation, Restoration, and Testing of TD Auxiliary Feedwater Pump

50 Document Number Description PROD00016467 Temp Change Request for Isolation, Restoration, and Testing of Auxiliary Feedwater Pump (9/30/2008)

PROD00016468 Isolation, Restoration, and Testing of Auxiliary Feedwater Pump (3/17/2008).

PROD00016469 Containment Inspection Plan (7/7/2009)

PROD00016470 Human Performance Observation Program PROD00016471 Reactor Vessel Integrity Program PROD00016472 Reactor Vessel Integrity Program PROD00016473 Reactor Vessel Bottom Head Bare metal Visual Examination (5/15/2008).

PROD00016474 Reactor Vessel Bottom head Bare Metal Visual Examination PROD00016475 Relief Valve Program PROD00016476 Temp Change Request for Isolation, Restoration and Testing of Auxiliary Feedwater Pump (9/30/2008).

PROD00016477 Temp Change Request for Isolation, Restoration and Testing of Auxiliary Feedwater Pump (9/30/2008).

PROD00016478 Temp Change Request for Isolation, Restoration and Testing of Auxiliary Feedwater Pump (9/30/2008).

PROD00016479 Isolation, Restoration and Testing of Auxiliary Feedwater Pump PROD00016480 6/30/2009 Email from D. Axt to P. Beyers and others at Xcel RE: CNO Approval PROD00016481 2nd Internal Containment Inspection Plan Units 1 & @

PROD00016482 Prairie island Nuclear Generating Plant Unit 1 and 2 Containment Inservice Inspection Jurisdictional boundary Basis PROD00016483 Containment Inspection Plan units 1 & 2 PROD00016484 568th meeting Advisory committee on Reactor Safeguards (12/3/2009).

PROD00016485 packaging of radioactive material for shipment PROD00016486 packaging of radioactive material for shipment PROD00016487 boric acid corrosion control program PROD00016488 leakage examination of pressure retaining components on the reactor vessel head PROD00016489 reactor vessel head removal procedure PROD00016490 refuel cavity seal installation procedures PROD00016491 Surveillance Requirements Mode 5, Cold Shutdown checklist PROD00016492 industrial safety practices - plant safety procedures PROD00016493 industrial safety work practices plant safety procedures PROD00016494 Unit 1 Reactor Vessel Closure PROD00016495 B4A Reactor Coolant System PROD00016496 Unit 1 insulated bolted connection inspection PROD00016497 Unit 1 insulated bolted connection inspection PROD00016498 Control and oversight of supplemental personnel PROD00016499 Control and oversight of supplemental personnel PROD00016500 11 turbine driven auxiliary feedwater pump auto start and functional refueling outage test PROD00016501 11 Turbine Driven Auxiliary Feedwater pump auto start and functional refueling outage test

51 Document Number Description PROD00016502 Isolation, restoration and testing of 11 TD Aux feed pump PROD00016503 emergency action level technical bases procedure PROD00016504 emergency action level technical bases procedure PROD00016505 emergency action level technical bases procedure PROD00016506 emergency action level technical bases procedure PROD00016507 reactor vessel closure head bare metal visual examination PROD00016508 isolation, restoration and testing of 22 aux feed pump PROD00016509 Reactor vessel bottom head bare metal visual examination PROD00016510 shift organization, operation and turnover PROD00016511 fuel handling system PROD00016512 fuel handling system PROD00016513 boric acid corrosion control program PROD00016514 reactor vessel integrity program PROD00016515 refuel cavity caulking PROD00016516 turbine driven auxiliary feedwater pump auto start and functional refueling outage test PROD00016517 turbine driven auxiliary feedwater pump auto start and functional refueling outage test PROD00016518 shift organization, operation and turnover PROD00016519 site training and staff selection PROD00016520 site training and staff selection PROD00016521 design bases document for the cooling water system PROD00016522 site training and staff selection PROD00016523 site training and staff selection PROD00016524 site training and staff selection PROD00016525 site training and staff selection PROD00016526 self assessment 22172 mid cycle Jan 13-17, 2003 PROD00016527 2004 NMC employee concerns program self assessment PROD00016528 SOER 02-4 Recommendation 2 PI focused self assessment plan PROD00016529 SOER 02-4 recommendation 2 focused self-assessment PROD00016530 PINGP CAP self assessment report June 23-27, 2003 PROD00016531 focused self assessment of CAP effectiveness June 21-24, 2004 PROD00016532 focused self assessment of CAP effectiveness June 21-24, 2004 PROD00016533 organizational & supervisory effectiveness self assessment April 11-14, 2005 PROD00016534 focused self assessment report 9/25/2006-9/28/2006 PROD00016535 DuPont Safety Resources: SCIP Safety Perception Survey Results PROD00016536 DuPont Safety Resources: SCIP Safety Perception Survey PROD00016537 DuPont Safety Resources: SCIP Safety Perception Survey

52 Document Number Description PROD00016538 DuPont Safety Resources: SCIP Safety Perception Survey PROD00016539 DuPont Safety Resources: SCIP Safety Perception Survey PROD00016540 focused self assessments for radiation protection program PROD00016541 focused self assessment for radiation protection program PROD00016542 focused self assessment implementation principles for a strong nuclear safety culture PROD00016543 focused self assessment nuclear safety questionnaire August 2007 PROD00016544 focused self assessment evaluation report 10/15/2007 - 10/30/2007 and 12/01/2007 - 1/11/2008 PROD00016545 focused self assessment evaluation report 10/15/2007 - 10/30/2007 and 12/01/2007 - 1/11/2008 PROD00016546 Prairie Island operations training self evaluation 8/11/2008 - 8/15/2008 PROD00016547 Prairie Island operations training self evaluation 8/11/2008 - 8/15/2008 PROD00016548 Prairie Island operations training self evaluation 8/11/2008 - 8/15/2008 PROD00016549 Prairie Island operations training self evaluation 8/11/2008 - 8/15/2008 PROD00016550 fire protection focused self assessment 9/25/2008 - 8/29/2008 PROD00016551 fire protection focused self assessment PROD00016552 2008 mid cycle focused self assessment PROD00016553 nuclear safety culture assessment conducted by Utilities Service Alliance 8/25/2008 - 8/29/2008 PROD00016554 conduct of focused self assessment - management sponsor feedback PROD00016555 NRC self assessment 5/18/2009 - 5/27/2009 PROD00016556 focus self assessment CAP - 1/12/2009 - 1/16/2009 PROD00016557 focus self assessment CAP 1/12/2009 - 1/16/2009 PROD00016558 2009 PINGP pre-NRC FSA Report PROD00016559 2009 PING pre-NRC Inspection FSA Report PROD00016560 2009 PINGP pre NRC Inspection FSA Report PROD00016561 focused self assessment report 6/1/2009 - 6/5/2009 PROD00016562 focused self assessment - outage readiness 6/1/2009 - 6/5/2009 PROD00016563 focused self assessment - outage readiness 6/1/2009 - 6/5/2009 PROD00016564 focused self assessment report - plant health committee FSA 4/20/2009 - 4/23/2009 PROD00016565 focused self assessment report - plant health committee FSA 4/20/2009 - 4/23/2009 PROD00016566 Turbine Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning PROD00016567 Turbine Driven Auxiliary Feedwater Pump Discharge Pressure Switch Manifold Isolation Mispositioning PROD00016568 PINGP Radioactive Material Exceeded DOT Limits PROD00016569 Identified NRC crosscutting issues 7/2/2008 PROD00016570 Identified NRC crosscutting issues 7/2/2008 PROD00016571 Identified NRC crosscutting issues 7/2/2008 PROD00016572 Nuclear Oversight 4th quarter 2009 PROD00016573 corrective action program overall health

53 Document Number Description PROD00016574 NRC performance summary PROD00016575 performance summary 1/1/209 - 9/1/2009 PROD00016576 leadership forums for continuous performance PROD00016577 4/26/2010 CAP Report Card for all departments PROD00016578 3/2010 Prairie Island Corrective Action Program Evaluation PROD00016579 4/9/2010 Focused Self Assessment and Formal Benchmarking Schedule PROD00016580 4/3/2007 Simulator Training Program and Assessment PROD00016581 Training Excel Spreadsheet PROD00016582 10/9/2006 Training Curriculum Review PROD00016583 ESP Continuing Training Reactor Oversight Process power point PROD00016584 5/1/2008 letter from LeBlond & Associates to S. Myers regarding course offering for personnel PROD00016585 7/28/2008 letter from LeBlond and Associates to M. Walter regarding class offering to personnel PROD00016586 2009 Human Performance for Engineers power point presentation on training PROD00016587 Training power point presentation PROD00016588 Training power point presentation PROD00016589 Training power point presentation PROD00016590 Training power point presentation PROD00016591 10/2000 Statutory Event Reporting Guidelines PROD00016592 Design Description Form regarding DDCLP Cooling Supply Modification PROD00016593 Prairie Island updated safety analysis report PROD00016594 Prairie Island Updated Safety Analysis Report PROD00016595 Prairie Island Updated Safety Analysis Report PROD00016596 Prairie Island Updated Safety Analysis Report PROD00016597 Prairie Island Updated Safety Analysis Report PROD00016598 Prairie Island Updated Safety Analysis Report PROD00016599 Prairie Island Updated Safety Analysis Report PROD00016600 Prairie Island Updated Safety Analysis Report PROD00016601 Prairie Island Updated Safety Analysis Report PROD00016602 Prairie Island Updated Safety Analysis Report PROD00016603 Prairie Island Updated Safety Analysis Report PROD00016604 Prairie Island Updated Safety Analysis Report PROD00016605 Prairie Island Updated Safety Analysis Report PROD00016606 Prairie Island Updated Safety Analysis Report PROD00016607 Prairie Island Updated Safety Analysis Report PROD00016608 Prairie Island Updated Safety Analysis Report PROD00016609 Prairie Island Updated Safety Analysis Report

54 Document Number Description PROD00016610 Prairie Island Updated Safety Analysis Report PROD00016611 Prairie Island Updated Safety Analysis Report PROD00016612 Prairie Island Updated Safety Analysis Report PROD00016613 Prairie Island Updated Safety Analysis Report PROD00016614 Prairie Island Updated Safety Analysis Report PROD00016615 Prairie Island Updated Safety Analysis Report PROD00016616 Prairie Island Updated Safety Analysis Report PROD00016617 Prairie Island Updated Safety Analysis Report PROD00016618 Prairie Island Updated Safety Analysis Report PROD00016619 Prairie Island Updated Safety Analysis Report PROD00016620 Prairie Island Updated Safety Analysis Report PROD00016621 Prairie Island Updated Safety Analysis Report PROD00016622 Prairie Island Updated Safety Analysis Report PROD00016623 Prairie Island Updated Safety Analysis Report PROD00016624 Prairie Island Updated Safety Analysis Report PROD00016625 Prairie Island Updated Safety Analysis Report PROD00016626 Prairie Island Updated Safety Analysis Report PROD00016627 Prairie Island Updated Safety Analysis Report PROD00016628 Prairie Island Updated Safety Analysis Report PROD00016629 Prairie Island Updated Safety Analysis Report PROD00016630 Prairie Island Updated Safety Analysis Report PROD00016631 Prairie Island Updated Safety Analysis Report PROD00016632 Prairie Island Updated Safety Analysis Report PROD00016633 Prairie Island Updated Safety Analysis Report PROD00016634 Prairie Island Updated Safety Analysis Report PROD00016635 Prairie Island Updated Safety Analysis Report PROD00016636 Prairie Island Updated Safety Analysis Report PROD00016637 Prairie Island Updated Safety Analysis Report PROD00016638 Prairie Island Updated Safety Analysis Report PROD00016639 Prairie Island Updated Safety Analysis Report PROD00016640 Prairie Island Updated Safety Analysis Report PROD00016641 Prairie Island Updated Safety Analysis Report PROD00016642 Prairie Island Updated Safety Analysis Report PROD00016643 Prairie Island Updated Safety Analysis Report PROD00016644 Prairie Island Updated Safety Analysis Report PROD00016645 Prairie Island Updated Safety Analysis Report

55 Document Number Description PROD00016646 Prairie Island Updated Safety Analysis Report PROD00016647 Prairie Island Updated Safety Analysis Report PROD00016648 Prairie Island Updated Safety Analysis Report PROD00016649 Prairie Island Updated Safety Analysis Report PROD00016650 Prairie Island Updated Safety Analysis Report PROD00016651 Prairie Island Updated Safety Analysis Report PROD00016652 Prairie Island Updated Safety Analysis Report PROD00016653 Prairie Island Updated Safety Analysis Report PROD00016654 Prairie Island Updated Safety Analysis Report PROD00016655 Prairie Island Updated Safety Analysis Report PROD00016656 Prairie Island Updated Safety Analysis Report PROD00016657 Prairie Island Updated Safety Analysis Report PROD00016658 Prairie Island Updated Safety Analysis Report PROD00016659 Prairie Island Updated Safety Analysis Report PROD00016660 5/24/2007 Engineering All Hands Meeting regarding training PROD00016661 Constellation Nuclear Generation Fleet Administrative Procedure Work Order Screening and Prioritization PROD00016662 1/30/2008 Nuclear Management Manual PROD00016663 Exelon Nuclear Work Screening and Processing PROD00016664 Work Management Process Operations Roles and Responsibilities - Xcel Power point PROD00016665 9/26/2005 Accountability Leadership Development Course PROD00016666 10/15/2008 Fleet Supervisor Leadership Development Training Program-Diagnostic Assessment Guide; Observation Coaching and Human Performance Skills PROD00016667 1/6/2009 Safety Culture Group Discussion Leadership Forum PROD00016668 2/3/2009 Leadership Forum Focus Areas and Priorities PROD00016669 Prairie Island Nuclear Generating Plant Employee Feedback and Team Charter PROD00016670 2009 Supervisory Leadership Development Training power point PROD00016671 Prairie Island mid-cycle focused self-assessment PROD00016672 10/16/2009 Area of Improvement regarding leadership and commitment to reliable and safe station operation PROD00016673 8/2009 Evaluation of Vessels and Seismic screening PROD00016674 Station comments on Performance Improvement document PROD00016675 9/14/2009 Design Bases Document for the Containment, DBD STR-01, Revision 7 PROD00016676 8/25/2009 Design Bases Document for the Auxiliary Building, DBD STR-02, Revision 5 PROD00016677 9/15/2009 Design Bases Document for the Reactor Coolant System, DBD SYS-04, Revision 5 PROD00016678 9/14/2009 Design Bases Document for the Chemical and Volume Control System, DBD SYS-12A, Revision 3 PROD00016679 8/21/2009 Design Bases Document for the Component Cooling System, DBD SYS-14, Revision 4 PROD00016680 8/25/2009 Design Bases Document for the Residual Heat Removal System, DBD SYS-15, Revision 5

56 Document Number Description PROD00016681 9/11/2009 Design Bases Document for the Spent Fuel Pool Cooling System, DBD SYS-16, Revision 2 PROD00016682 8/25/2009 Design Bases Document for the Safety Injection System, DBD SYS-18A, Revision 5 PROD00016683 8/21/2009 Design Bases Document for the Containment Spray System, DBD SYS-18D, Revision 3 PROD00016684 Design Bases Document for the Auxiliary Feedwater System PROD00016685 9/1/2009 Design Bases Document for the Cooling Water System, DBD SYS-35, Revision 6 PROD00016686 8/21/2009 Design Bases Document for the Motor-Operated Valves Topic, DBD TOP-10, Revision 3 PROD00016687 7/14/2009 Design Bases Document for the Plant Piping Topic, DBD TOP-11, Revision 4 PROD00016688 8/25/2009 Design Bases Document for the Independent Spent Fuel Storage Installation, DBD TOP-17, Revision 1

PROD00016689 Design Bases Document for the Cooling Water System, DBD SYS-35, Revision 7 PROD00016690 Human Performance Evaluation Worksheet PROD00016691 7/1/2005 Administrative Work Instruction: Root Cause Evaluation, Revision 10 PROD00016692 7/28/2004 Nuclear Safety Culture evaluative criteria and performance expectations doc PROD00016693 Control and Oversight of Supplemental Personnel 5AWI PROD00016694 9/17/2009 Administrative Work Instruction: Fuel Integrity Program, Revision 17 PROD00016695 Site Training and Staff Selection Administrative Work Instruction PROD00016696 11/16/2009 Administrative Work Instruction: Compensatory Measures for Equipment Affecting Implementation of the Emergency Plan, Revision 2 PROD00016697 9/28/2004 Corporate Office Quality Procedures performance assessment fleet procedure PROD00016698 Site Training and Staff Selection 5AWI PROD00016699 Prairie Island License Requalification Training document PROD00016700 8/7/09 Surveillance Requirements Mode 5, Cold Shutdown, PINGP.

PROD00016701 11/4/09 Reactor Coolant System Unit 1at PINGP.

PROD00016702 11/9/09 Reactor Coolant System Unit 2 at PINGP.

PROD00016703 PINGP Preventative Maintenance Procedures: Refuel Cavity Seal Installation PROD00016704 2/22/2010 H Procedure: Generic Letter 89-13 Implementing Program, Revision 14 PROD00016705 9/1/2009 H Procedure: Reactor Vessel Integrity Program, Revision 6 PROD00016706 6/24/2008 analysis of PINGP incore instrumentation system.

PROD00016707 11/1/2009 Technical review of reactor coolant system at PINGP PROD00016708 Plant Safety Procedure: Significant Hazard Events, F10 Appendix D PROD00016709 Component Cooling System hydraulic model.

PROD00016710 PINGP design specs for residual heat removal system.

PROD00016711 Prairie Island Updated Safety Analysis Report PROD00016712 Prairie Island Updated Safety Analysis Report PROD00016713 Design solicitation for IA compressor cooling water tie in piping at PINGP.

PROD00016714 Design description form for IA compressor cooling water tie in piping at PINGP.

57 Document Number Description PROD00016715 Design description form for IA compressor cooling water tie in piping at PINGP.

PROD00016716 Design description form for IA compressor cooling water tie in piping at PINGP.

PROD00016717 Design description for IA compressor cooling water tie in piping at PINGP.

PROD00016718 PINGP procedure 5AWi 3.3.5 (i.e. HELB flooding at PINGP)

PROD00016719 Reactor Coolant System Modification No. 04RC01 at PINGP.

PROD00016720 Modification of Residual heat Removal System at PINGP.

PROD00016721 Equivalency Evaluation for fixtures on refueling cavity wall at PINGP.

PROD00016722 Root Cause Evaluation proposal for Unit 1 Refueling Cavity at PINGP.

PROD00016723 Equivalency evaluation for fixture on refueling cavity wall at PINGP.

PROD00016724 12/17/2009 letter from Xcel to NRC regarding safety and postulated HELB.

PROD00016725 4/30/2007 causation analysis for leakage from refuel cavity at PINGP Unit 2.

PROD00016726 4/30/2007 causation analysis for leakage from refuel cavity at PINGP Unit 2.

PROD00016727 4/30/2007 causation analysis for leakage from refuel cavity at PINGP Unit 2.

PROD00016728 4/30/2007 causation analysis for leakage from refuel cavity at PINGP Unit 2.

PROD00016729 4/30/2007 causation analysis for leakage from refuel cavity at PINGP Unit 2.

PROD00016730 12/16/2008 letter from ED Associates to Kurt Peterson at PINGP offering service proposal for NRC 95002 inspection assistance.

PROD00016731 6/12/2009 letter from ED Associates to Kurt Peterson at PINGP offering service proposal for NRC 95002 inspection assistance.

PROD00016732 1/14/2009 contract between Xcel and Crimson Engineered Solutions for Safety Culture Analysis System License at PINGP.

PROD00016733 1/20/2009 proposal from Dominion Engineering to Xcel to analyze effects of leakage of borated water on containment vessel at PINGP.

PROD00016734 3/6/2009 proposal from Iepson to Xcel regarding technical support for HELB event in turbine building at PINGP.

PROD00016735 5/19/2009 proposal from Dominion Engineering to Xcel to analyze effects of leakage of borated water on containment vessel at PINGP.

PROD00016736 CAP Action Request Process PROD00016737 Work description for spray-on liner for refueling cavity at PINGP.

PROD00016738 1/7/2002 Bypass request and authorization for work on refuel cavity at PINGP.

PROD00016739 11/7/2005 PINGP Work Plan: Unit 1 Reactor Vessel: Perform Bare Metal Visual on Bottom of Reactor Vessel PROD00016740 4/30/2005 PINGP Work Plan: Boric Acid Filter to RMW Line-Vent: Replace with SS Gate Valve PROD00016741 PINGP work plan to replace grouting damaged by boric acid leak.

PROD00016742 PINGP work plan to replace grouting damaged by boric acid.

PROD00016743 5/21/2010 work plan regarding removal of demolished CC piping and supports from turbine building PROD00016744 5/21/2010 work plan regarding cut and cap for demolition of 2 inch CC supply line in turbine building PROD00016745 5/21/2010 work plan regarding demolishing and removing CC supply piping and supports from turbine building

58 Document Number Description PROD00016746 5/31/2010 work plan for removal of demolished CC return piping and supports from turbine building PROD00016747 5/31/2010 work plan regarding cut and cap for demo of 2 inch CC return line 2-CC-61 inch turbine building PROD00016748 Work order for U-1 refuel cavity at PINGP.

PROD00016749 9/12/2009 work plan named 11 refueling cavity pool liner regarding performing leakage repairs on refueling cavity liner PROD00016750 9/12/2009 work plan regarding performing leakage repairs on refueling cavity liner PROD00016751 8/3/2009 work plan regarding performing mock-up of refueling cavity leakage repair PROD00016752 Work planning for repair of leakage at U-1 lower cavity of refuel chamber at PINGP.

PROD00016753 Work planning for repair of leakage at U-1 lower cavity of refuel chamber at PINGP.

PROD00016754 Work planning for repair of leakage at U-1 lower cavity of refuel chamber at PINGP.

PROD00016755 Work planning for repair of leakage at U-1 lower cavity of refuel chamber at PINGP.

PROD00016756 Work planning for repair of leakage at U-1 lower cavity of refuel chamber at PINGP.

PROD00016757 9/14/2009 work plan regarding repair welds on refueling cavity liner seams PROD00016758 3/31/2010 work plan regarding performing leakage repairs on refueling cavity liner PROD00016759 2/1/2010 work plan regarding performing mock-up of refueling cavity liner leak repair PROD00016760 5/5/2010 work plan regarding performing additional vacuum box testing of refueling cavity pool liner PROD00016761 12/22/2009 PINGP description of flooding in turbine building.

PROD00016762 4/10/2006 Work Plan regarding performing bare metal visual on bottom of reactor vessel with 9/2003 attachment of sampling and analysis guidance for deposits found on reactor pressure vessels at various locations PROD00016763 Preventive Maintenance Procedures for Refuel Cavity Seal Installation at PINGP.

PROD00016764 Preventive Maintenance Procedures for Refuel Cavity Seal Installation at PINGP.

PROD00016765 Preventive Maintenance Procedures for Refuel Cavity Seal Installation at PINGP.

PROD00016766 7/16/2008 PM Work Plan regarding installation and removal of sandpiper pump outside Sump C PROD00016767 10/10/2005 work plan for installation of sandpiper pump outside sump C PROD00016768 1/30/2008 Work Plan for installation of sandpiper pump outside sump C PROD00016769 7/16/2008 PM Work Plan for installation and removal of sandpiper pump outside sump C PROD00016770 4/20/2010 work plan for installation of sandpiper pump outside sump C PROD00016771 5/23/2008 Work Plan for removal reinstallation of concrete in Sump B, with attachments PROD00016772 Unit 2 - 4.16KV System effective date 4/2/2009 PROD00016773 50.59 Screening for Station Battery & DC Distribution System, Unit 2 - 4.16KV System, Cooling Water PROD00016774 Station Battery & DC Distribution System Procedure rev 28 effective date 2/18/2009 PROD00016775 Cooling Water Procedure rev 66 effective date 10/9/2009 PROD00016776 11/6/2009 email from M Mellema to C Lethgo cc B Slack and others re OPR HELB/LOOP/single failure - DC control circuits PROD00016777 Operability Recommendation for CAP 01206060 PROD00016778 Operability Recommendation for CAP 01206060

59 Document Number Description PROD00016779 Operability Recommendation for CAP 01206060 PROD00016780 Operability Recommendation for CAP 01206060 PROD00016781 Operability Recommendation for CAP 01206060 PROD00016782 Operability Recommendation for CAP 01206060 PROD00016783 Temporary Change Request for Unit 2 - 4.16KV System PROD00016784 Temporary Change Request for Station Battery & DC Distribution System PROD00016785 Temporary Change Request for Cooling Water PROD00016786 Operability Recommendation for CAP 01206060 PROD00016787 Operability Recommendation for CAP 01206060 PROD00016788 50.59 Screening for Station Battery & DC Distribution System, Unit 2 - 4.16KV System, Cooling Water PROD00016789 Sequence of events (Assuming no trip of NS CL pumps prior to the LOOP) document PROD00016790 10/22/2009 list of data and graphs for different compartments PROD00016791 10/22/2009 list of data and graphs for different compartments PROD00016792 10/20/2009 list of data PROD00016793 10/20/2009 list of data PROD00016794 10/20/2009 list of data PROD00016795 10/18/2009 list of data PROD00016796 10/18/2009 list of data PROD00016797 10/22/2009 list of data and graphs for different compartments PROD00016798 10/18/2009 list of data PROD00016799 10/20/2009 Inputs to Turbine Building GOTHIC Model for HELB Analysis Attachment A: GOTHIC Model Input Tables (Physical Model)

PROD00016800 160.9 in2 Break in Compartment 2D4 graph and attached 10/28/2009 list of data PROD00016801 160.9 in2 Break in Compartment 2D4 graph and attached list of data PROD00016802 CAP 01213357 for pipe whip interaction with AFW room door: Potential HELB pipe whip impact on doors 42 &

43 PROD00016803 Graph of pipe and handwritten notes PROD00016804 Index of HELB Program book documents, List of HELB Calculations and List of HELB Modifications PROD00016805 Interaction between HELB and CL with Diagram PROD00016806 6/26/09 External Design Document Suitability Review Checklist re Prairie Island HELB Analysis PROD00016807 Report on interactions between high energy piping and cooling water (CL) that also affect component cooling (CC)

PROD00016808 Report on interactions between high energy piping and cooling water (CL) that also affect component cooling (CC)

PROD00016809 Turbine Building HELB/Flooding Interactions Calculation ENG-ME-732 Attachment 1 PROD00016810 Turbine Building HELB/Flooding Interactions Calculation ENG-ME-732 Attachment 1

60 Document Number Description PROD00016811 Interaction between HELB and CL with graph PROD00016812 handwritten Gothic Model PROD00016813 Interaction between HELB and CL with graph PROD00016814 Interaction between HELB and CL with graph PROD00016815 Interaction between HELB and CL with graph and handwritten notes PROD00016816 16-FW-3 and 20-FW-3/4-CL-68 interaction diagrams PROD00016817 20-CD-7/6-CL-67 interaction diagram and notes PROD00016818 20-CD-7/6-CL-67 interaction diagram and notes PROD00016819 Piping Cooling Water blueprint/diagram PROD00016820 Feedwater Unit 1 blueprint/diagram PROD00016821 5/15/2009 Design Information Transmittal for high energy pipe whip evaluation for CC/HELB SDP PROD00016822 HELB Flooding Walkdown Notes PROD00016823 HELB Flooding Walkdown Notes PROD00016824 Report on interactions between high energy piping and cooling water (CL) that also affect component cooling (CC)

PROD00016825 Design Review Comment Form for OPR 01178236 PROD00016826 non-descript list of letters, numbers and symbols PROD00016827 Operability Recommendation for CAP 01178236 re HELB flooding in Turbine Building PROD00016828 Operability Recommendation for CAP 01178236 re HELB flooding in Turbine Building PROD00016829 Operability Recommendation for CAP 01178236 re: HELB Flooding in Turbine Building PROD00016830 Operability Recommendation for CAP 01178236 re HELB flooding in Turbine Building PROD00016831 Spreadsheet of data: flow rates and flood rate PROD00016832 Spreadsheet of data: flow rates and flood rate PROD00016833 Operability Recommendation for CAP 01178236 PROD00016834 Operability Recommendation for CAP 01178236 PROD00016835 Operability Recommendation for CAP 01178236 PROD00016836 Spreadsheet of data: flow rates and flood rates and graph PROD00016837 Spreadsheet of data: flow rates and flood rates PROD00016838 Spreadsheet of data: flow rates and flood rates PROD00016839 Spreadsheet of data: flow rates and flood rates PROD00016840 Spreadsheet of data: flow rates and flood rates PROD00016841 Operability Recommendation for CAP 01178236 and attachments PROD00016842 Operability Recommendation for CAP 01178236 PROD00016843 Operability Recommendation for CAP 01178236 and attachments PROD00016844 Spreadsheet of data: flow rates and flood rate PROD00016845 Spreadsheet of data: flow rate and flood rates

61 Document Number Description PROD00016846 computer screen image spreadsheet of data: flow rate and flood rates PROD00016847 computer screen image spreadsheet of data: flow rate and flood rates PROD00016848 to OPR 1178236, Revision 1 Time-Critical Operator Actions Following a Turbine Building HELB (EC 14193)

PROD00016849 to OPR 1178236, Revision 1 EC 13962 Spreadsheet w/ New Flows and CD System Volume PROD00016850 to OPR 1178236, Revision 1 D1/D2 - CL Stop First PROD00016851 to OPR 1178236, Revision 1 D1/D2 - CL Stop First PROD00016852 to OPR 1178236, Revision 1 D1/D2 - FP Stop First PROD00016853 to OPR 1178236, R1 Battery Room - U2 HELB PROD00016854 to OPR 1178236, R1 AFW - U2 HELB PROD00016855 Spreadsheet of data: flow rates and flood rate PROD00016856 Spreadsheet of data: flow rates and flood rate PROD00016857 Spreadsheet of data: flow rates and flood rate PROD00016858 handwritten calculations PROD00016859 Spreadsheet of data: flow rates and flood rate PROD00016860 Spreadsheet of data: flow rates and flood rate PROD00016861 Spreadsheet of data: flow rates and flood rate PROD00016862 Spreadsheet of flow rates and flood rate PROD00016863 Spreadsheet of data: flow rates and flood rate PROD00016864 Spreadsheet of data: flow rates and flood rate PROD00016865 Spreadsheet of data: flow rates and flood rate PROD00016866 Spreadsheet of data: flow rates and flood rate PROD00016867 Spreadsheet of data: flow rates and flood rate PROD00016868 Photo Related to CC/HELB White Finding PROD00016869 Photo Related to CC/HELB White Finding PROD00016870 Photo Related to CC/HELB White Finding PROD00016871 Photo Related to CC/HELB White Finding PROD00016872 Photo Related to CC/HELB White Finding PROD00016873 Photo Related to CC/HELB White Finding PROD00016874 Photo Related to CC/HELB White Finding PROD00016875 Photo Related to CC/HELB White Finding PROD00016876 Photo Related to CC/HELB White Finding PROD00016877 Photo Related to CC/HELB White Finding PROD00016878 Photo Related to CC/HELB White Finding PROD00016879 Photo Related to CC/HELB White Finding PROD00016880 Photo Related to CC/HELB White Finding

62 Document Number Description PROD00016881 Photo Related to CC/HELB White Finding PROD00016882 Photo Related to CC/HELB White Finding PROD00016883 Photo Related to CC/HELB White Finding PROD00016884 Photo Related to CC/HELB White Finding PROD00016885 Photo Related to CC/HELB White Finding PROD00016886 Photo Related to CC/HELB White Finding PROD00016887 Photo Related to CC/HELB White Finding PROD00016888 Photo Related to CC/HELB White Finding PROD00016889 Photo Related to CC/HELB White Finding PROD00016890 Photo Related to CC/HELB White Finding PROD00016891 Photo Related to CC/HELB White Finding PROD00016892 Photo Related to CC/HELB White Finding PROD00016893 Photo Related to CC/HELB White Finding PROD00016894 Photo Related to CC/HELB White Finding PROD00016895 Photo Related to CC/HELB White Finding PROD00016896 Photo Related to CC/HELB White Finding PROD00016897 Photo Related to CC/HELB White Finding PROD00016898 Photo Related to CC/HELB White Finding PROD00016899 Photo Related to CC/HELB White Finding PROD00016900 Photo Related to CC/HELB White Finding PROD00016901 Photo Related to CC/HELB White Finding PROD00016902 6/26/2009 External Design Document Suitability Review Checklist Prairie Island HELB Analysis PROD00016903 blueprint/diagram PROD00016904 blueprint/diagram PROD00016905 16-FW-3 and 20-FW-3/4-CL-68 interaction diagrams PROD00016906 Turbine Building HELB/Flooding Interactions Calculation ENG-ME-732 Attachment 1 PROD00016907 Evaluation to provide input into HELB Safety Determination Process and graph PROD00016908 6/26/2009 External Design Document Suitability Review Checklist Prairie Island HELB Analysis PROD00016909 6/26/2009 Letter from E Bird (MPR Associates Inc) to B Slack re Prairie Island HELB Analysis and enclosures PROD00016910 Spreadsheet of data: flow rates and flood rate PROD00016911 Spreadsheet of data: flow rates and flood rate PROD00016912 GOTHIC data PROD00016913 Report on interactions between high energy piping and cooling water (CL) that also affect component cooling (CC)

PROD00016914 50.59 Screening for EC14665 Modify Turbine Bldg Roll-Up Doors PROD00016915 50.59 Screening for EC14665 Modify Turbine Bldg Roll-Up Doors

63 Document Number Description PROD00016916 50.59 Screening for Appendix I - High Energy Line Breaks - Break Location Selection PROD00016917 50.59 Screening for Appendix I - High Energy Line Breaks - Break Location Selection PROD00016918 50.59 Screening for Appendix I - High Energy Line Breaks - Break Location Selection PROD00016919 50.59 Screening for Appendix I - High Energy Line Breaks - Break Location Selection PROD00016920 50.59 Screening for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00016921 50.59 Screening for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00016922 50.59 Screening for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00016923 50.59 Screening for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00016924 50.59 Screening for Determination of HELB/FLooding Interactions in the Turbine Building PROD00016925 50.59 Screening for Determination of HELB/FLooding Interactions in the Turbine Building PROD00016926 50.59 Screening for Evaluation of TB HELB Target Flow Rates in TB - Internal FLooding Evaluation for TB PROD00016927 50.59 Screening for GOTHIC Results for Turbine Building After Main Steam HELB Scenarios that Cause Flooding PROD00016928 50.59 Screening for GOTHIC Results for Turbine Building After Main Steam HELB Scenarios that Cause Flooding PROD00016929 50.59 Screening for Appendix I - High Energy Line Breaks - Piping System Selection PROD00016930 50.59 Screening for Appendix I - High Energy Line Breaks - Piping System Selection PROD00016931 2/11/2009 Prairie Island Turbine Building 695' Elevation HELB Temperature Sensitivity Study prepared by Advent Engineering Services PROD00016932 Summary table of high energy lines with additional information PROD00016933 Component Cooling (CC) piping adjacent to high energy line break (HELB) location in the turbine building (Prairie Island) Report PROD00016934 Completion notes for A/R 00737382-15 PROD00016935 Completion notes for A/R 00737382-15 PROD00016936 Completion notes for A/R 01072605-01 PROD00016937 Assignment notes for A/R 01072605 PROD00016938 9/30/2008 memo from B Slack to M Schimmel re Due Date Extension Request for A/R 01072605-02 (unsigned)

PROD00016939 9/30/2008 memo from B Slack to M Schimmel re Due Date Extension Request for A/R 01072605-02 (signed)

PROD00016940 2/25/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01072605-02 (unsigned)

PROD00016941 2/25/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01072605-02 (signed)

PROD00016942 6/17/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01072605-02 (unsigned)

PROD00016943 6/17/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01072605-02 (signed)

64 Document Number Description PROD00016944 Plant Flooding Procedure Rev 2 PROD00016945 6/25/2009 memo from B Slack to M Wadley re Corrective Action Due Date Extension Request for A/R 01088591-07 (unsigned)

PROD00016946 6/25/2009 memo from B Slack to M Wadley re Corrective Action Due Date Extension Request for A/R 01088591-07 (signed)

PROD00016947 11/18/2008 email from S Myers to B Slack cc S Ford re Corrective Action Due Date Extension Request for CAP 01091624-03 and approval PROD00016948 2/25/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01091624-03 (unsigned)

PROD00016949 2/25/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01091624-03 (signed)

PROD00016950 6/17/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01091624-03 (unsigned)

PROD00016951 6/17/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01091624-03 (signed)

PROD00016952 Component Cooling (CC) piping adjacent to high energy line break (HELB) location in the turbine building (Prairie Island) Report PROD00016953 3/4/2010 memo from B Slack to T Roddey re Corrective Action Due Date Extension Request for A/R 01155452-03 (unsigned)

PROD00016954 3/4/2010 memo from B Slack to T Roddey re Corrective Action Due Date Extension Request for A/R 01155452-03 (signed)

PROD00016955 3/5/2009 memo from B Slack to S Myers re Corrective Action Due Date Extension Request for A/R 01155452-01 (unsigned)

PROD00016956 3/5/2009 memo from B Slack to S Myers re Corrective Action Due Date Extension Request for A/R 01155452-01 (signed)

PROD00016957 Main Auxiliary Steam & Steam Dump Flow Diagram - Unit 1 blueprint/diagram PROD00016958 Main Auxiliary Steam & Steam Dump Flow Diagram - Unit 2 blueprint/diagram PROD00016959 Flow Diagram Feedwater System - Unit 2 blueprint/diagram PROD00016960 Flow Diagram - Unit 1 Bleed Steam & Heater Vents blueprint/diagram PROD00016961 Bleed Steam & heater Vents Flow Diagram - Unit 2 blueprint/diagram PROD00016962 2/11/2010 memo from B Slack to T Roddey re Corrective Action Due Date Extension Request for A/R 01191604-01 (unsigned)

PROD00016963 2/11/2010 memo from B Slack to T Roddey re Corrective Action Due Date Extension Request for A/R 01191604-01 (signed)

PROD00016964 5/7/2010 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01191604-01 (unsigned)

65 Document Number Description PROD00016965 5/7/2010 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01191604-01 (signed)

PROD00016966 11/6/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01202820-07 (signed)

PROD00016967 11/6/2009 memo from B Slack to D Kettering re Corrective Action Due Date Extension Request for A/R 01202820-07 (unsigned)

PROD00016968 11/6/2009 memo from B. Slack to D Ketterling re Corrective Action Due Date Extension Request for CAP Corrective Action Due Date Extension Request (unsigned)

PROD00016969 Report re: consequential failures due to the HELB PROD00016970 CE 01206060-04 Report PROD00016971 HELB/consequential failure report PROD00016972 CE 01206060-04 Report PROD00016973 Report re pipe whip analysis with HELB occurrence PROD00016974 HELB/consequential damages Report PROD00016975 HELB/whip diagram PROD00016976 Report re review of piping systems in the Design Class 1 area of the Turbine Building for the effects of flooding due to HELB and non-HELB events.

PROD00016977 Insert 1 and Insert 2 I.4.5 Flooding Protection PROD00016978 PRAIRIE ISLAND UPDATED SAFETY ANALYSIS REPORT APPENDIX I POSTULATED PIPE FAILURE ANALYSIS OUTSIDE OF CONTAINMENT PROD00016979 Nonconservative input to TB Flood calc (ENG-ME-758)

PROD00016980 5/12/2010 PINGP Turbine Building Flooding Analysis Model (U1)

PROD00016981 5/12/2010 PINGP Turbine Building Flooding Analysis Model (U1)

PROD00016982 5/12/2010 PINGP Turbine Building Flooding Analysis Model (U2)

PROD00016983 5/12/2010 PINGP Turbine Building Flooding Analysis Model (U2)

PROD00016984 4/14/2010 Monticello CAP 01194357 re Tech Spec 3.0.3 entry due to Inoperable HELB/Flood barrier PROD00016985 Engineered Safeguards Equipment Support Systems Procedure Rev 20 effective date 3/9/2007 PROD00016986 Calculation Package from Automated Engineering Services Corp for Evaluation of Jet Impingement Loads on Component Cooling Piping and attachments PROD00016987 blueprints/diagrams Unit 1 Component Cooling Water PROD00016988 blueprints/diagrams Unit 1 Component Cooling Water PROD00016989 Calculation Package from Automated Engineering Services Corp for Evaluation of Jet Impingement Loads on Component Cooling Piping and attachments PROD00016990 Calculation Package from Automated Engineering Services Corp for Evaluation of Jet Impingement Loads on Component Cooling Piping and attachments PROD00016991 blueprint/diagram Unit 1 Component Cooling Water

66 Document Number Description PROD00016992 blueprint/diagram Unit 1 Component Cooling PROD00016993 blueprint/diagram Unit 1 Component Cooling PROD00016994 blueprint/diagram Unit 1 Component Cooling Water PROD00016995 blueprint/diagram Unit 1 Component Cooling PROD00016996 blueprint/diagram Unit 1 Component Cooling Water PROD00016997 blueprint/diagram Unit 1 Component Cooling Water PROD00016998 blueprint/diagram Unit 1 Component Cooling Water PROD00016999 blueprint/diagram Unit 1 Component Cooling Water PROD00017000 blueprint/diagram Unit 1 Component Cooling Water PROD00017001 blueprint/diagram Unit 1 Component Cooling Water PROD00017002 blueprint/diagram Unit 1 Component Cooling Water PROD00017003 blueprint/diagram Unit 2 Component Cooling PROD00017004 blueprint/diagram Unit 2 Component Cooling PROD00017005 blueprint/diagram Unit 2 Component Cooling PROD00017006 blueprint/diagram Unit 1 Component Cooling Water PROD00017007 blueprint/diagram Unit 1 & 2 Component Cooling Water PROD00017008 blueprint/diagram Unit 1 & 2 Component Cooling Water PROD00017009 blueprint/diagram Unit 1 Component Cooling PROD00017010 blueprint/diagram Unit 1 Component Cooling PROD00017011 blueprint/diagram Unit 1 Component Cooling PROD00017012 blueprint/diagram Unit 1 Component Cooling Water PROD00017013 blueprint/diagram Unit 1 Component Cooling Water PROD00017014 blueprint/diagram Unit 1 Component Cooling Water PROD00017015 blueprint/diagram Unit 1 Component Cooling Water PROD00017016 blueprint/diagram Unit 1 Component Cooling Water PROD00017017 blueprint/diagram Unit 2 Component Cooling PROD00017018 blueprint/diagram Unit 2 Component Cooling PROD00017019 various 1975 Fluor Pioneer Inc documents including Pump Suction Line Unit 1, Pump Nozzle Loads, Pipe-Stress Input Data, Pipe-Stress Thermal Expansion Analysis, Unit 1 Feedwater Discharge and others PROD00017020 1974 Feedwater Suction documents including Piping Loads on various pieces of Equipment PROD00017021 Book PI-224-8.1 Part F Fluor Pioneer Inc and Pioneer Service & Engineering Co. documents PROD00017022 various 1975 Fluor Pioneer Inc documents including Pump Suction Line Unit 1, Pump Nozzle Loads, Pipe-Stress Input Data and Pipe-Stress Thermal Expansion Analysis PROD00017023 9/12/1975 Unit 1 PI Feedwater Discharge, Piping Loads on Equipment and other documents PROD00017024 PI Unit 1 FW Discharge Dead Weight Natural Weight Balance Analysis, Pipe-Stress Input Data, Pipe-Stress Deadweight Analysis and Pipe-Stress Thermal Expansion Analysis

67 Document Number Description PROD00017025 Pipe-Stress Deadweight Analysis, Weight Balance Analysis, Pipe-Stress Input Data and Pipe-Stress Thermal Expansion Analysis PROD00017026 Write-up of information contained within AES turbine building HELB calculations that is relevant to the CC /

HELB SDP PROD00017027 2/24/2009 Design Information Transmittal for CC Piping location relative to HELB locations for evaluation of jet impingement PROD00017028 2/25/2009 Design Information Transmittal for Peak HELB pressure for evaluation of the cold chemistry lab PROD00017029 2/25/2009 Design Information Transmittal for Peak HELB pressure for evaluation of the cold chemistry lab PROD00017030 3/10/2009 Design Information Transmittal for CC Piping location relative to HELB locations for evaluation of jet impingement PROD00017031 3/09/2009 Design Information Transmittal for CC Piping location relative to HELB locations for evaluation of jet impingement PROD00017032 3/9/2009 Design Information Transmittal for CC Piping location relative to HELB locations for evaluation of jet impingement PROD00017033 3/10/2009 Design Information Transmittal for CC Piping location relative to HELB locations for evaluation of jet impingement PROD00017034 12/29/2008 letter from A Setlur at Automated Engineering Services Corp to S Ford re Proposal to Perform an Evaluation of the Vulnerability of the CC Piping in the TB to HELB Events - Phase 1 PROD00017035 1/12/2009 letter from A Setlur at Automated Engineering Services Corp to S Ford re Seismic Level Evaluation of FW, CD and CC in the TB PROD00017036 1/18/2009 letter from A Setlur at Automated Engineering Services Corp to B Slack re Proposal to Qualify Cold Chem Lab Masonry Block Walls and Roof for HELB and Seismic Loads PROD00017037 2/12/2009 letter from A Setlur at Automated Engineering Services Corp to B Slack re Proposal to Perform Safety Related Evaluation of the Effects of Jet Impingement on CC Piping in the Turbine Building (TB) at PINGP PROD00017038 3/4/2009 letter from A Setlur at Automated Engineering Services Corp to B Slack re Request for Scope Change Funding for Evaluation of FW, CD and CC in the TB - PO 996-59 PROD00017039 Write-up of information contained within AES turbine building HELB calculations that is relevant to the CC /

HELB SDP PROD00017040 2/25/2009 Design Information Transmittal re Design Information Transmittal PROD00017041 3/9/2009 Design Information Transmittal re Evaluation of jet impingement on CC piping PROD00017042 3/9/2009 Design Information Transmittal re Evaluation of jet impingement on CC piping PROD00017043 2/20/2009 Request for Phased Approval re CC HELB interaction structural analysis PROD00017044 2/3/2009 Request for Phased Approval re CC HELB interaction structural analysis PROD00017045 blank Contract Change Request form PROD00017046 blank Contract Change Request form PROD00017047 3/16/2009 Design Review Comment Form for EC 13929

68 Document Number Description PROD00017048 3/13/2009 External Design Document Suitability Review Checklist for Evaluation of the effects of Jet Impingement on CC piping in the turbine bldg PROD00017049 3/13/2009 Design Review Comment Form for AES Calculation PI-996-61-M01/ Evaluation of the effects of jet impingement on CC piping in the turbine bldg PROD00017050 Sole Source Justification for Requisition Number: 00062003 PROD00017051 blank Scope of Service form PROD00017052 1/14/2009 Scope of Services for Project 11186132 re Seismic evaluation for portions of piping in the turbine building PROD00017053 2/20/2009 Scope of Services for Project 11186132 re AES will perform a safety related evaluation of the effects of jet impingement on the CC piping in the turbine building PROD00017054 2/3/2009 Request for Phased Approval re CC HELB interaction structural analysis PROD00017055 Documentation of all interactions between high energy piping and cooling water (CL) that also affect component cooling (CC)

PROD00017056 Automated Engineering Services Corp Calculation package for Evaluation of Component Cooling Piping in the Turbine Building and attachments PROD00017057 Automated Engineering Services Corp Calculation package for Evaluation of the Effects of Jet Impingement on Component Cooling Piping in the Turbine Building and attachments PROD00017058 Automated Engineering Services Corp Calculation package for Jet Impingement Loads on Component Cooling Piping in the Turbine Building for PRA HELB Scenarios PROD00017059 2/20/2009 Request for Phased Approval (RPA) for CC HELB interaction structural analysis PROD00017060 2/3/2009 Request for Phased Approval (RPA) for CC HELB interaction structural analysis PROD00017061 6/17/2009 email from B Slack to D Henry cc C Kandalepas and D Setlur re Pipes 20-CD-7, 12-CD-7: Jet Impingement analysis on CC Piping PROD00017062 general computation sheet for TB CC Piping Isometric Drawings PROD00017063 Testing and Computer Code Evaluation of the AP1000 standard design and attachments PROD00017064 1971 Piping Loads on various pieces of Equipment attached Parts A, B, D, E, F (data and Thermal Expansion Analyses) and 6/24/1971 Anchor Design Sheet from Pioneer Service & Engineering Co.

PROD00017065 7/12/1971 Thermal Analysis Condensate Piping Class III Piping title page PROD00017066 2/20/2009 Contract Change Request Scope of Work Change Statement for Project 11186132 PROD00017067 3/11/2009 Contract Change Request Scope of Work Change Statement for Project 11186132 PROD00017068 3/16/2009 Design Review Comment Form for EC 13929 PROD00017069 3/16/2009 Design Review Comment Form for EC 13929 PROD00017070 4/15/2009 Engineering Change for Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building PROD00017071 3/13/2009 External Design Document Suitability Review Checklist for Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building

69 Document Number Description PROD00017072 3/13/2009 Design Review Comment Form for AES Calculation PI-996-61-M01/Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building PROD00017073 3/13/2009 External Design Document Suitability Review Checklist for Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building PROD00017074 3/5/2009 Engineering Change for Evaluation of Turbine Bldg 695' Elevation Temperatures after a HELB and attachments PROD00017075 5/14/2009 Engineering Change for Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building and attachments PROD00017076 1/12/2009 email from B Slack to D Setlur cc C Agan re calculations and methodology for testing for HELB Impact on CC Piping in TB PROD00017077 1/12/2009 email from B Slack to D Setlur re calculations for HELB analysis and design input PROD00017078 1/16/2009 email from B Slack to D Setlur re Piping analysis and data PROD00017079 various 1975 Fluor Pioneer Inc documents including Pump Suction Line Unit 1, Pump Nozzle Loads, Pipe-Stress Input Data, Pipe-Stress Thermal Expansion Analysis, Unit 1 Feedwater Discharge and others PROD00017080 1974 Feedwater Suction documents including Piping Loads on various pieces of Equipment PROD00017081 AT-0175 Action Request Record Report for SEN 257, Internal Flood Design Deficiencies and attachments PROD00017082 Question 44 (Perform orifice flow calculations for susceptible CD and FW lines to verify the PRA break frequency assumptions in action 04 (leak rates greater than 2000 gpm)) and Response PROD00017083 Book PI-224-8.1 Part F: various documents from Fluor Pioneer Inc and Pioneer Service & Engineering Co.

PROD00017084 1971 Piping Loads on various pieces of Equipment attached Parts A, B, D, E, F (data and Thermal Expansion Analyses) and 6/24/1971 Anchor Design Sheet from Pioneer Service & Engineering Co.

PROD00017085 3/13/2009 Design Review Comment Form for AES Calculation PI-996-61-M01/Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building PROD00017086 3/13/2009 Design Review Comment Form for AES Calculation PI-996-61-M01/Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building PROD00017087 1/16/2009 email from B Slack to D Setlur re Piping analysis and data PROD00017088 6/2/2009 Letter from E Bird (MPR Associates Inc) to B Slack re Prairie Island HELB Analysis and enclosures PROD00017089 7/9/2005 list of data PROD00017090 7/9/2005 list of data PROD00017091 7/9/2005 list of data PROD00017092 7/9/2005 list of data PROD00017093 7/9/2005 list of data PROD00017094 7/9/2005 list of data PROD00017095 8/11/2005 list of data PROD00017096 8/11/2005 list of data PROD00017097 8/11/2005 list of data

70 Document Number Description PROD00017098 8/11/2005 list of data PROD00017099 8/11/2005 list of data PROD00017100 8/11/2005 list of data PROD00017101 Control Volume data PROD00017102 Calculation Package from Automated Engineering Services Corp for Turbine Building HELB Pressure Analysis and attachments PROD00017103 2/16/2009 email from D Setlur to B Slack cc S Ford and others re Project Cost Data for 996 Analysis of CC /

FW / CD Piping in TB and Cold Chem Lab Structure Qualification PROD00017104 Sole Source Justification Requisition Number: 00062003 PROD00017105 2/4/2009 Scope of Services for Project 11186132 PROD00017106 2/20/2009 Scope of Services for Project 11186132 PROD00017107 2/3/2009 Request for Phased Approval (RPA) for CC HELB interaction structural analysis PROD00017108 7/12/1971 Thermal Analysis - Condensate Piping Unit #2 Class II Piping Report including Pioneer Service &

Engineering Co documents PROD00017109 Twin Oil Coolers Report and attached diagrams PROD00017110 Write-up of information contained within AES turbine building HELB calculations that is relevant to the CC /

HELB SDP PROD00017111 1/26/2010 email from M Etre to C Sprout cc J Scharr and others re Decoupling branch lines per WRC 300 PROD00017112 5/26/2006 email from M Meyer to R Hansen cc S Baird re acceptable size of panel for HELB barrier in the event Door 225 needs to be replaced PROD00017113 8/31/2007 Engineering Change for Acceptability of Westinghouse M&E Releases PROD00017114 8/4/2008 Engineering Change for Turbine Building HELB Walkdown PROD00017115 10/30/2008 Engineering Change for Evaluation of new HELB Mass and Energy Inputs and Review of Advent Engineering Sensitivity Studies PROD00017116 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses and Design Review Checklist for same PROD00017117 Design Review Checklist for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017118 Design Review Checklist for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017119 11/6/2009 Design Review Comment Form for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017120 11/6/2009 Design Review Comment Form for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017121 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses Rev 0 PROD00017122 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017123 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses Rev 0 PROD00017124 AES Calculation PI-P602232-700 Minor Rev. 0A Input to HELB Analysis of Rooms Containing Safeguards Equipment in Center Aisle of Turbine Building PROD00017125 11/6/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses

71 Document Number Description PROD00017126 11/6/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017127 11/6/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017128 11/6/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017129 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses and Design Review Checklist for same PROD00017130 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017131 8/18/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses and attachments PROD00017132 6/18/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses and attachments PROD00017133 6/18/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses and attachments PROD00017134 Calculation Signature Sheet for Center Aisle Input for Turbine Building GOTHIC Analyses and attachments PROD00017135 11/6/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017136 6/18/2009 PINGP Calculation for Center Aisle Input for Turbine Building GOTHIC Analyses and attachments PROD00017137 New Document Request Form for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017138 New Document Request Form for Center Aisle Input for Turbine Building GOTHIC Analyses PROD00017139 1/13/2009 Walkdown Summary of TB Center Aisle PROD00017140 1/13/2009 Walkdown Summary of TB Center Aisle PROD00017141 11/25/2008 Engineering Change for Determination of Number of High Energy Pipe Sections Affecting Turbine Bldg CC Piping Using EPRI Methodology and attached PINGP Calculation for same PROD00017142 Design Review Checklist for EC 13474 PROD00017143 11/20/2008 PINGP Calculation for Turbine Compartment HELB Compartment Volumes PROD00017144 11/20/2008 PINGP Calculation for Turbine Compartment HELB Compartment Volumes PROD00017145 Calculation Signature Sheet for Turbine Compartment HELB Compartment Volumes PROD00017146 Calculation Signature Sheet for Turbine Compartment HELB Compartment Volumes PROD00017147 General Computation Sheet for Turbine Compartment HELB Compartment Volumes PROD00017148 Design Review Checklist for Turbine Building HELB Surfaces Areas & Flow Paths/ Rev 0A and attachments PROD00017149 Calculation Signature Sheet for Turbine Building HELB Surfaces Areas & Flow Paths PROD00017150 9/14/2009 PINGP Calculation for Turbine Building HELB Surfaces Areas & Flow Paths PROD00017151 9/14/2009 PINGP Calculation for Turbine Building HELB Surfaces Areas & Flow Paths PROD00017152 Calculation Signature Sheet for Turbine Building HELB Surfaces Areas & Flow Paths and attachments PROD00017153 Calculation Signature Sheet for Turbine Building HELB Surfaces Areas & Flow Paths and attachments PROD00017154 3/20/2009 Engineering Change for Evaluation of Turbine Bldg 695' Elevation Temperatures and Humidity after a HELB. (This Eval Supersedes EC 13762)

PROD00017155 6/29/2009 Engineering Change for Owner's Acceptance Review of MPR Analysis of Safety Injection Pump Operation Without CC Flow to the Bearing Oil and Seal Water Coolers and attachments PROD00017156 8/5/2009 EC-0441 EC Closeout Package Report and attachments PROD00017157 10/30/2009 EC-0441 EC Closeout Package Report

72 Document Number Description PROD00017158 11/5/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017159 11/5/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017160 Calculation Signature Sheet for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017161 Calculation Signature Sheet for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017162 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017163 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017164 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017165 Calculation Signature Sheet for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attached Design Review Checklist re same PROD00017166 New Document Request Form for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017167 spreadsheet of volume data by compartments PROD00017168 spreadsheet of Control Volume Parameters PROD00017169 spreadsheet of Control Volumes PROD00017170 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017171 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017172 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017173 6/18/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017174 Design Review Checklist for Inputs to Turbine Building GOTHIC Model for HELB Analysis / Rev 0 PROD00017175 Design Review Checklist for Inputs to Turbine Building GOTHIC Model for HELB Analysis / Rev 0 PROD00017176 11/6/2009 Design Review Comment Form for Inputs to Turbine Building GOTHIC Model for HELB Analysis / Rev 0

PROD00017177 Calculation Signature Sheet for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017178 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017179 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017180 Calculation Signature Sheet for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017181 Calculation Signature Sheet for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017182 11/6/2009 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis and attachments PROD00017183 PINGP Calculation for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017184 spreadsheet of Flow Paths PROD00017185 TB Flow Diagram.xls PROD00017186 4/16/2008 Walk Down of the Turbine Building Report PROD00017187 spreadsheet of Thermal Conductors PROD00017188 spreadsheet of Valves & Doors PROD00017189 New Document Request Form for Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00017190 1/13/2009 Walkdown Summary of Turbine Building General Areas PROD00017191 7/29/2009 PINGP Calculation re: determination of HELB / Flooding interactions in the turbine building

73 Document Number Description PROD00017192 Calculation Signature Sheet re Determination of HELB / Flooding interactions in the turbine building rev 0 PROD00017193 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building PROD00017194 New Document Request Form re Determination of HELB / Flooding interactions in the turbine building PROD00017195 Calculation ENG-ME-732 Attachment 1 Turbine Building HELB / Flooding Interactions PROD00017196 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building PROD00017197 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building and attachments PROD00017198 7/29/2009 PINGP Calculation for Determination of HELB/Flooding Interactions in the Turbine Building PROD00017199 7/29/2009 PINGP Calculation for Determination of HELB/Flooding Interactions in the Turbine Building PROD00017200 Calculation ENG-ME-732 Attachment 1 Turbine Building HELB / Flooding Interactions PROD00017201 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building PROD00017202 Calculation ENG-ME-732 Attachment 1 Turbine Building HELB / Flooding Interactions PROD00017203 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building rev 3 PROD00017204 7/29/2009 PINGP Calculation re: determination of HELB / Flooding interactions in the turbine building PROD00017205 Calculation ENG-ME-732 Attachment 1 Turbine Building HELB / Flooding Interactions PROD00017206 HELB Flooding Walkdown Notes PROD00017207 HELB Flooding Walkdown Notes PROD00017208 HELB Flooding Walkdown Notes PROD00017209 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building and attachment PROD00017210 Calculation Signature Sheet for Determination of HELB/Flooding Interactions in the Turbine Building PROD00017211 Calculation ENG-ME-732 Attachment 1 Turbine Building HELB / Flooding Interactions PROD00017212 General Comments on the Spreadsheet PROD00017213 New Document Request Form for Determination of HELB / Flooding Interactions in the Turbine Building PROD00017214 New Document Request Form for Determination of HELB / Flooding Interactions in the Turbine Building PROD00017215 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 1 PROD00017216 to Summary table of High Energy Line Piping Selection PROD00017217 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 2 PROD00017218 : Additional evaluated pipe fittings PROD00017219 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 3:

Summary table of high energy line with additional information PROD00017220 : Summary table of High Energy Lines with additional information PROD00017221 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 4:

PIDs of high energy line systems with piping highlighted PROD00017222 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 5:

AEC Letter to NSP dated December 12, 1972

74 Document Number Description PROD00017223 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 6 PROD00017224 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 7 PROD00017225 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 8 PROD00017226 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017227 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017228 Design Review Checklist for Appendix 1 - HELB - Piping System Selection PROD00017229 4/8/2010 Design Review Comment Form for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017230 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection and attachments PROD00017231 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017232 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 1 PROD00017233 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 2 PROD00017234 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 3 PROD00017235 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 4 PROD00017236 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 5 PROD00017237 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 6 PROD00017238 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 7 PROD00017239 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 8 PROD00017240 4/8/2010 Design Review Comment Form for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017241 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017242 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 1 Summary table of high energy line piping selection PROD00017243 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 2 Additional evaluated pipe fittings PROD00017244 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 3 Summary table of high energy lines with additional information PROD00017245 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 4:

PIDs of high energy line systems with piping highlighted PROD00017246 spreadsheet of data for different pieces of equipment Query 1 PROD00017247 Summary table of high energy line piping selection PROD00017248 Summary table of high energy lines with additional information PROD00017249 Additional evaluated pipe fittings PROD00017250 1/18/1973 letter from E Claeson at Pioneer Service & Engineering Co to A Kuroyama at NSP forwarding Minutes of Meeting with AEC Staff, High Energy Line Rupture

75 Document Number Description PROD00017251 12/12/1972 letter from A Clambusso at Atomic Energy Commission to A Dienhart at NSP re HELB and design revisions PROD00017252 1/10/1973 memo from Atomic Energy Commission re January 4, 1973 Meeting with Northern States Power Company Re Prairie Island PROD00017253 1/11/1973 letter from A Glasbusso at Atomic Energy Commission to A Dienhart at NSP re clarification of guidelines and criteria provide with his December 12, 1972 letter PROD00017254 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017255 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017256 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017257 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 1:

Summary table of high energy line piping selection PROD00017258 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 2:

Additional evaluated pipe fittings PROD00017259 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 3:

Summary table of high energy lines with additional information PROD00017260 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 4:

AEC Letter to NSP dated December 12, 1972 PROD00017261 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 5: AEC Letter to NSP dated January 10, 1973 PROD00017262 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 6:

AEC Letter to NSP dated January 11, 1973 PROD00017263 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 7:

PS&E Letter to NSP dated January 18, 1973 PROD00017264 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection Attachment 8:

PIDs of high energy line systems with piping highlighted PROD00017265 Prairie Island Nuclear Generating Plant - ERCS-DMZ-PSSA (list of data from 1/1/2008 thru 12/31/2009)

PROD00017266 Prairie Island Nuclear Generating Plant - ERCS-DMZ-PSSA (list of data)

PROD00017267 Prairie Island Nuclear Generating Plant - ERCS-DMZ-PSSA (list of data from 1/1/2006 thru 12/31/2007)

PROD00017268 spreadsheet of data for different pieces of equipment Query 1 PROD00017269 Summary table of high energy line piping selection PROD00017270 spreadsheet of data for different pieces of equipment Query 1 PROD00017271 Summary table of high energy lines with additional information PROD00017272 spreadsheet of data for different pieces of equipment PROD00017273 spreadsheet of data for different pieces of equipment PROD00017274 Additional evaluated pipe fittings PROD00017275 spreadsheet of data for different pieces of equipment

76 Document Number Description PROD00017276 spreadsheet of data for different pieces of equipment PROD00017277 blueprint/diagram Flow diagram Main Auxiliary Steam & Steam Pump Unit 1 PROD00017278 blueprint/diagram Flow diagram Main Auxiliary Steam & Steam Pump Unit 2 PROD00017279 blueprint/diagram Flow Diagram Condensate System Unit 1 PROD00017280 blueprint/diagram Flow Diagram Condensate System Unit 2 PROD00017281 blueprint/diagram Flow Diagram Feedwater & Auxiliary Feedwater Unit 1 PROD00017282 blueprint/diagram Flow Diagram Feedwater & Auxiliary Feedwater Unit 2 PROD00017283 blueprint/diagram Flow Diagram Unit 1 Bleed Steam & Heater Vents PROD00017284 blueprint/diagram Bleed Steam & Heater Vents Flow Diagram PROD00017285 blueprint/diagram Flow Diagram Feedwater Heater Moisture Separator & Reheater Drain System PROD00017286 blueprint/diagram Flow Diagram Feedwater Heater Moisture Separator & Reheater Drain System - Unit 2 PROD00017287 blueprint/diagram Flow Diagram Liquid Waste Disposal [?] System Units 1 & 2 PROD00017288 blueprint/diagram Flow Diagram Steam Generator Blowdown System Units 1 & 2 PROD00017289 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017290 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017291 blueprint/diagram Flow Diagram Unit 1 Chemical & Volume Control System PROD00017292 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017293 Summary table of high energy line piping selection PROD00017294 Summary table of high energy line piping selection PROD00017295 Additional evaluated pipe fittings PROD00017296 Additional evaluated pipe fittings PROD00017297 Summary table of high energy lines with additional information PROD00017298 Summary table of high energy lines with additional information PROD00017299 : PIDs of high energy line systems with piping highlighted PROD00017300 : AEC Letter to NSP dated December 12, 1972 PROD00017301 : AEC Letter to NSP dated January 10, 1973 PROD00017302 : AEC Letter to NSP dated January 11, 1973 PROD00017303 : PS&E Letter to NSP dated January 18, 1973 PROD00017304 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017305 4/8/2010 PINGP Calculation Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017306 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017307 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017308 blueprint/diagram Flow diagram Main Auxiliary Steam & Steam Pump Unit 1 PROD00017309 blueprint/diagram Flow diagram Turbine Building Traps and Drains Unit 1 PROD00017310 blueprint/diagram Flow diagram Main Auxiliary Steam & Steam Pump Unit 2 PROD00017311 blueprint/diagram Flow diagram Turbine Building Traps and Drains Unit 2

77 Document Number Description PROD00017312 blueprint/diagram Flow Diagram Feedwater & Auxiliary Feedwater Unit 1 PROD00017313 blueprint/diagram Flow Diagram Feedwater & Auxiliary Feedwater Unit 2 PROD00017314 blueprint/diagram Flow Diagram Steam Generator Blowdown System Units 1 & 2 PROD00017315 blueprint/diagram Flow Diagram Liquid Waste Disposal [?] System Units 1 & 2 PROD00017316 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017317 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017318 blueprint/diagram [not legible]

PROD00017319 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017320 blueprint/diagram Flow Diagram Unit 1 Bleed Steam & Heater Vents PROD00017321 blueprint/diagram Bleed Steam & Heater Vents PROD00017322 blueprint/diagram Flow Diagram Condensate System Unit 1 PROD00017323 blueprint/diagram Flow Diagram Condensate System Unit 2 PROD00017324 blueprint/diagram Flow Diagram Feedwater Heater Moisture Separator & Reheater Drain System PROD00017325 blueprint/diagram Flow Diagram Feedwater Heater Moisture Separator & Reheater Drain System Unit 2 PROD00017326 blueprint/diagram Flow Diagram Unit 1 Bleed Steam & Heater Vents PROD00017327 blueprint/diagram Bleed Steam & Heater Vents Flow Diagram PROD00017328 blueprint/diagram Flow Diagram Condensate System Unit 1 PROD00017329 blueprint/diagram Flow Diagram Condensate System Unit 2 PROD00017330 blueprint/diagram Flow Diagram Feedwater Heater Moisture Separator & Reheater Drain System PROD00017331 blueprint/diagram Flow Diagram Feedwater Heater Moisture Separator & Reheater Drain System Unit 2 PROD00017332 blueprint/diagram Flow diagram Main Auxiliary Steam & Steam Pump Unit 1 PROD00017333 blueprint/diagram Flow diagram Turbine Building Traps and Drains Unit 1 PROD00017334 blueprint/diagram Flow diagram Main Auxiliary Steam & Steam Pump Unit 2 PROD00017335 blueprint/diagram Flow diagram Turbine Building Traps and Drains Unit 2 PROD00017336 blueprint/diagram Flow Diagram Feedwater & Auxiliary Feedwater Unit 1 PROD00017337 blueprint/diagram Flow Diagram Feedwater & Auxiliary Feedwater Unit 2 PROD00017338 blueprint/diagram Flow Diagram Steam Generator Blowdown System Units 1 & 2 PROD00017339 blueprint/diagram Flow Diagram Liquid Waste Disposal [?] System Units 1 & 2 PROD00017340 blueprint/diagram Flow Diagram Unit 1 Chemical & Volume Control System PROD00017341 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017342 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017343 blueprint/diagram Flow Diagram Chemical & Volume Control System PROD00017344 Summary table of high energy lines with additional information PROD00017345 4/8/2010 Design Review Comment Form for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017346 spreadsheet of data for different pieces of equipment PROD00017347 Design Review Checklist for Appendix 1 - HELB - Piping System Selection

78 Document Number Description PROD00017348 4/8/2010 Design Review Comment Form for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017349 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection and attachments PROD00017350 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection and attachments PROD00017351 Design Review Checklist for Appendix 1 - HELB - Piping System Selection PROD00017352 4/8/2010 Design Review Comment Form for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017353 Calculation Signature Sheet for Appendix 1 - High Energy Line Breaks - Piping System Selection PROD00017354 Design Review Checklist for Turbine Compartment HELB Compartment Volumes Rev 0B PROD00017355 Calculation Signature Sheet for Turbine Compartment HELB Compartment Volumes PROD00017356 9/14/2009 PINGP Calculation for Turbine Compartment HELB Compartment Volumes Rev 0B PROD00017357 9/14/2009 PINGP Calculation for Turbine Compartment HELB Compartment Volumes Rev 0B PROD00017358 Calculation Signature Sheet for Turbine Compartment HELB Compartment Volumes PROD00017359 Calculation Signature Sheet for Turbine Compartment HELB Compartment Volumes PROD00017360 Calculation Signature Sheet for Analysis of U-2 TB CD Line from FW Heaters To FW Pumps Suction PROD00017361 Comments and responses PROD00017362 Calculation Package for Analysis of U-2 TB CD Line from FW Heaters To FW Pumps Suction and attachments PROD00017363 Calculation Signature Sheet for Analysis of Unit 1 Feedwater Discharge Piping to 15A/B HTRS PROD00017364 Calculation Package for Analysis of Unit 1 Feedwater Discharge Piping to 15A/B HTRS and attachments PROD00017365 Calculation Signature Sheet for Analysis of U-1 TB CD Line from FW Heaters To FW Pumps Suction PROD00017366 notice that particular HELB file has been Quarantined to parent directory because it is believed to contain personal information PROD00017367 Calculation Signature Sheet for Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS PROD00017368 Calculation Package for Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS and attachments PROD00017369 Calculation Package for Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS PROD00017370 Calculation Signature Sheet for Analysis of U-1 CD Line from FW Heater 12B To FW Heater 13B PROD00017371 Calculation Package for Analysis of U-1 CD Line from FW Heater 12B To FW Heater 13B and attachments PROD00017372 New Document Request Form for Pipe stress Analysis - From #21 FW Pump discharge to Condenser 2A PROD00017373 New Document Request Form for Pipe stress Analysis - From #22 FW Pump discharge to Condenser 2A PROD00017374 New Document Request Form for Pipe stress Analysis - From #22B to #23B FW Heater PROD00017375 New Document Request Form for Pipe stress Analysis - From #22A to #23A FW Heater PROD00017376 New Document Request Form for Pipe stress Analysis - From #23A/B FW Heater & HD Pumps to FW Pumps PROD00017377 New Document Request Form for Pipe stress Analysis - From #11 FW Pump discharge to Condenser 1A PROD00017378 New Document Request Form for Pipe stress Analysis - From #12 FW Pump discharge to Condenser 1A PROD00017379 1/9/2010 External Design Document Suitability Review Checklist for Analysis of U-2 TB CD Line from FW Heaters To FW Pumps Suction

79 Document Number Description PROD00017380 Calculation Signature Sheet for Analysis of U-2 TB CD Line from FW Heaters To FW Pumps Suction PROD00017381 New Document Request Form for Analysis of U-2 TB CD Line from FW Heaters To FW Pumps Suction PROD00017382 12/2/2009 External Design Document Suitability Review Checklist for Analysis of Unit 1 Feedwater Discharge Piping to 15A/B HTRS PROD00017383 Calculation Signature Sheet for Analysis of Unit 1 Feedwater Discharge Piping to 15A/B HTRS PROD00017384 New Document Request Form Calculation Signature Sheet for Analysis of Unit 1 Feedwater Discharge Piping to 15A/B HTRS PROD00017385 1/20/2010 External Design Document Suitability Review Checklist for Analysis of U-1 TB CD Line from FW Heaters To FW Pumps Suction PROD00017386 Calculation Signature Sheet for Analysis of U-1 TB CD Line from FW Heaters To FW Pumps Suction PROD00017387 New Document Request Form for Analysis of U-1 TB CD Line from FW Heaters To FW Pumps Suction PROD00017388 12/4/2009 External Design Document Suitability Review Checklist for Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS PROD00017389 Calculation Signature Sheet for Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS PROD00017390 New Document Request Form for Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS PROD00017391 12/2/2009 External Design Document Suitability Review Checklist for Analysis of U-1 CD Line from FW Heater 12B to FW Heater 13B PROD00017392 Calculation Signature Sheet for Analysis of U-1 CD Line from FW Heater 12B to FW Heater 13B PROD00017393 New Document Request Form for Analysis of U-1 CD Line from FW Heater 12B to FW Heater 13B PROD00017394 Design Review Comment Form for Seismic and HELB Analyses of Unit 1 Feedwater Discharge Piping to 15 A/B heaters PROD00017395 11/30/2009 Design Information Transmittal for FW & CD stress analysis reconstitution for Unit 1 and 2 PROD00017396 1/6/2010 Design Information Transmittal for FW & CD stress analysis reconstitution for Unit 2 PROD00017397 1/6/2010 Design Information Transmittal for FW & CD stress analysis reconstitution for Unit 2 PROD00017398 1/11/2010 Design Information Transmittal for FW & CD stress analysis reconstitution for Unit 1 PROD00017399 11/30/2009 Design Information Transmittal for FW & CD stress analysis reconstitution for Unit 1 and 2 PROD00017400 1/6/2010 Design Information Transmittal for FW & CD stress analysis reconstitution for Unit 2 PROD00017401 1/11/2010 Design Information Transmittal titled "FW & CD Stress Analysis Reconstitution" PROD00017402 Drawing of Hanger at Node 3460 PROD00017403 Blueprint/Diagram of S.G.B. Modification Turbine Building Unit 2 PROD00017404 Blueprint/Diagram of S.G.B. Modification Turbine Building Unit 2 PROD00017405 Blueprint/Diagram of S.G.B. Modification Turbine Building Unit 2 PROD00017406 Blueprint/Diagram of S.G.B. Modification Turbine Building Unit 2 PROD00017407 Single Sliding Support Assembly Blueprint/Diagram PROD00017408 Single Sliding Support Assembly Blueprint/Diagram PROD00017409 Single Spring Hanger Assembly Blueprint/Diagram

80 Document Number Description PROD00017410 Single Rigid Hanger Assembly Blueprint/Diagram PROD00017411 Single Spring Hanger Assembly Blueprint/Diagram PROD00017412 Single Spring Hanger Assembly Blueprint/Diagram PROD00017413 Single Rigid Hanger Assembly Blueprint/Diagram PROD00017414 Double Spring Hanger Assembly Blueprint/Diagram PROD00017415 Single Spring Hanger Assembly Blueprint/Diagram PROD00017416 Single Spring Hanger Assembly Blueprint/Diagram PROD00017417 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017418 Blueprint/Diagram of Double Rigid Hanger Assembly PROD00017419 Unknown Blueprint/Diagram PROD00017420 Blueprint/Diagram of Single Case Support Assembly PROD00017421 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017422 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017423 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017424 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017425 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017426 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017427 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017428 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017429 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017430 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017431 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017432 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017433 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017434 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017435 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017436 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017437 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017438 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017439 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017440 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017441 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017442 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017443 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017444 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017445 Blueprint/Diagram of Pipe Support

81 Document Number Description PROD00017446 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017447 Blueprint/Diagram of Single Sliding Support PROD00017448 Blueprint/Diagram of Single Sliding Support PROD00017449 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017450 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017451 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017452 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017453 Blueprint/Diagram of Single Sliding Base Support PROD00017454 Blueprint/Diagram of Single Sliding Base Support PROD00017455 Blueprint/Diagram of Single Sliding Base Support PROD00017456 Unable to read Blueprint/Diagram name PROD00017457 List of materials necessary for Single Spring Support Assembly PROD00017458 Unable to read title of blueprint/diagram PROD00017459 List of materials necessary for Single Spring Support Assembly PROD00017460 Unable to read title of blueprint/diagram PROD00017461 List of materials necessary for Single Spring Support Assembly PROD00017462 Blueprint/Diagram of Double Rigid Hanger Assembly PROD00017463 Unable to decipher title of blueprint/diagram PROD00017464 List of materials necessary for Double Spring Hanger Assembly PROD00017465 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017466 Blueprint/Diagram of Double Spring Hanger Assembly PROD00017467 Unable to decipher title of blueprint/diagram PROD00017468 Unable to decipher title of blueprint/diagram PROD00017469 Unable to decipher title of blueprint/diagram PROD00017470 Blueprint/Diagram of Feedwater Recirculation from Pump #11 PROD00017471 Blueprint/Diagram titled Feedwater Recirculation from Pump #12 PROD00017472 Unable to Decipher Title of Blueprint/Diagram PROD00017473 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017474 List of Materials Necessary for Single Spring Hanger Assembly PROD00017475 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017476 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017477 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017478 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017479 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017480 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017481 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping

82 Document Number Description PROD00017482 Blueprint/Diagram of Feedwater Pump PROD00017483 Blueprint/Diagram of Feedwater Piping PROD00017484 Blueprint/Diagram of Feedwater Piping PROD00017485 Blueprint/Diagram of Feedwater Piping PROD00017486 Blueprint/Diagram of Feedwater Piping PROD00017487 Blueprint/Diagram of Feedwater Piping PROD00017488 Blueprint/Diagram of Feedwater Piping PROD00017489 Blueprint/Diagram of Feedwater Piping PROD00017490 Blueprint/Diagram of Feedwater Piping PROD00017491 Blueprint/Diagram of Feedwater Piping PROD00017492 Blueprint/Diagram of Feedwater Piping PROD00017493 List of Materials Necessary for Double Spring Hanger Assembly PROD00017494 Blueprint/Diagram of Feedwater Piping PROD00017495 List of Materials Necessary for Single Spring Hanger Assembly PROD00017496 Blueprint/Diagram of Feedwater Piping PROD00017497 List of Materials Necessary for Hanger Assembly PROD00017498 Blueprint/Diagram of Feedwater Piping PROD00017499 Blueprint/Diagram of Feedwater Piping PROD00017500 Blueprint/Diagram of Feedwater Piping PROD00017501 Blueprint/Diagram of Feedwater Piping PROD00017502 List of Materials Necessary for Single Spring Hanger Assembly PROD00017503 Blueprint/Diagram of Feedwater Piping PROD00017504 List of Materials Necessary for Single Spring Hanger Assembly PROD00017505 Blueprint/Diagram of Feedwater Piping PROD00017506 Blueprint/Diagram of Feedwater Piping PROD00017507 Blueprint/Diagram of Feedwater Piping PROD00017508 Blueprint/Diagram of Feedwater Piping PROD00017509 Blueprint/Diagram of Feedwater Piping PROD00017510 Blueprint/Diagram of Feedwater Piping PROD00017511 Blueprint/Diagram of Feedwater Piping PROD00017512 Blueprint/Diagram of Feedwater Piping PROD00017513 Blueprint/Diagram of Feedwater Piping PROD00017514 Blueprint/Diagram of Feedwater Piping PROD00017515 Blueprint/Diagram of Feedwater Piping PROD00017516 Blueprint/Diagram of Feedwater Recirculation PROD00017517 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping

83 Document Number Description PROD00017518 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017519 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017520 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017521 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017522 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017523 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017524 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017525 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017526 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017527 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017528 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017529 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017530 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017531 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017532 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017533 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017534 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017535 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017536 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017537 Blueprint/Diagram of Feedwater Pump Recirculation and Warm-Up Piping PROD00017538 Blueprint/Diagram of SGB Modification Turbine Building Unit 1 Pipe Support Details PROD00017539 Blueprint/Diagram of SGB Modification Turbine Building Unit 1 Pipe Support Details PROD00017540 Blueprint/Diagram of Condensation Piping - Turbine Building PROD00017541 Blueprint/Diagram of Condensate Piping - Turb. Bldg PROD00017542 Blueprint/Diagram of Condensate Piping PROD00017543 Blueprint/Diagram of Single Sliding Support Assembly PROD00017544 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017545 List of Materials Necessary for Single Spring Hanger Assembly PROD00017546 Unable to decipher title of Blueprint/Diagram PROD00017547 List of Materials Necessary for Single Spring Hanger Assembly PROD00017548 List of Materials Necessary for Double Spring Hanger Assembly PROD00017549 Blueprint/Diagram of Double Spring Hanger Assembly PROD00017550 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017551 Unable to decipher title of Blueprint/Diagram PROD00017552 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017553 Blueprint/Diagram of Single Rigid Support Assembly

84 Document Number Description PROD00017554 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017555 Blueprint/Diagram of Single Rigid Support Assembly PROD00017556 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017557 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017558 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017559 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017560 Blueprint/Diagram of Single Rigid Hanger Assembly PROD00017561 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017562 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017563 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017564 Blueprint/Diagram of Single Spring Hanger Assembly PROD00017565 Blueprint/Drawing of Figure 98 Spring Hanger Size No. 14 Type B PROD00017566 Blueprint/Drawing of Single Spring Hanger Assembly PROD00017567 Blueprint/Drawing of Single Spring Hanger Assembly PROD00017568 Blueprint/Drawing of Single Spring Hanger Assembly PROD00017569 Blueprint/Drawing of Single Spring Hanger Assembly PROD00017570 12/9/1974 Chart Single Spring Support Assembly PROD00017571 12/9/1974 Chart Single Spring Support Assembly PROD00017572 12/9/1974 Chart Single Spring Support Assembly PROD00017573 12/9/1974 Diagram Single Spring Support Assembly PROD00017574 12/9/1974 Chart Single Spring Support Assembly PROD00017575 12/9/1974 Chart Single Spring Support Assembly PROD00017576 12/9/1974 Diagram Single Spring Support Assembly PROD00017577 12/9/1974 Diagram Single Spring Support Assembly PROD00017578 12/9/1974 Diagram Single Spring Support Assembly PROD00017579 12/9/1974 Diagram Single Spring Support Assembly PROD00017580 12/9/1974 Diagram Single Spring Support Assembly PROD00017581 12/9/1974 Diagram Single Spring Support Assembly PROD00017582 12/9/1974 Diagram Single Spring Support Assembly PROD00017583 12/9/1974 Diagram Single Spring Support Assembly PROD00017584 12/9/1974 Diagram Single Spring Support Assembly PROD00017585 12/9/1974 Diagram Single Spring Support Assembly PROD00017586 12/9/1974 Diagram Single Spring Support Assembly PROD00017587 12/9/1974 Diagram Single Spring Support Assembly PROD00017588 12/9/1974 Diagram Single Spring Support Assembly PROD00017589 12/9/1974 Diagram Single Spring Support Assembly

85 Document Number Description PROD00017590 12/9/1974 Diagram Single Spring Support Assembly PROD00017591 12/9/1974 Diagram Single Spring Support Assembly PROD00017592 12/9/1974 Diagram Single Spring Support Assembly PROD00017593 12/9/1974 Chart Single Spring Support Assembly PROD00017594 11/12/1974 Feedwater Piping in Turbine Room service invoice and diagram, labeled AS BUILT PROD00017595 11/12/1974 Feedwater Piping in Turbine Room service invoice and diagram, labeled AS BUILT PROD00017596 12/30/1974 Turbine Room service invoice PROD00017597 7/1975 Feedwater Piping in Turbine Room service invoice and diagram, labeled AS BUILT PROD00017598 11/12/1974 Feedwater Piping in Turbine Room service invoice and diagram, labeled AS BUILT PROD00017599 11/12/1974 Feedwater Piping in Turbine Room service invoice, labeled AS BUILT PROD00017600 5/24/1972 Feedwater Piping in Turbine Room service invoice and diagram PROD00017601 7/11/1975 Feedwater Piping in Turbine Room service invoice and diagram, labeled AS BUILT PROD00017602 5/15/1972 Feedwater Piping in Turbine Room service invoice and diagram PROD00017603 5/15/1972 Feedwater Piping in Turbine Room service invoice PROD00017604 5/15/1972 Feedwater Piping in Turbine Room service invoice and diagram PROD00017605 5/15/21972 Feedwater Piping in Turbine Room service invoice and diagram PROD00017606 5/15/1972 Feedwater Piping in Turbine Room service invoice and diagram PROD00017607 7/11/1975 Feedwater Piping in Turbine Room service invoice and diagram PROD00017608 7/11/1975 Feedwater Piping in Turbine Room service invoice and diagram PROD00017609 7/11/1975 Feedwater Piping in Turbine Room, Seismic Restraint service invoice PROD00017610 Feedwater Piping diagram PROD00017611 1972 Feedwater Recirculation diagram PROD00017612 5/9/1972 Feedwater Pump Recirculation and Warm-up Piping service invoice and diagram PROD00017613 5/9/1972 Feedwater Pump Recirculation and Warm-up Piping service invoice and diagram PROD00017614 5/9/1972 Feedwater Pump Recirculation and Warm-up Piping service invoice and diagram PROD00017615 5/9/1972 Feedwater Pump Recirculation and Warm-up Piping service invoice and diagram PROD00017616 2/23/1999 Feedwater Pump Recirculation and Warm-up Piping Diagram PROD00017617 5/9/1972 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017618 5/9/1972 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017619 12/19/1974 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017620 12/19/1974 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017621 12/18/1974 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017622 12/18/1974 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017623 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017624 12/18/1974 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017625 2/23/1999 Diagram of Feedwater Pump Recirculation and Warm-up Piping

86 Document Number Description PROD00017626 12/18/1974 Feedwater Pump Recirculation and Warm-up Piping service receipt PROD00017627 12/18/1974 Feedwater Piping Fabrication receipt PROD00017628 12/18/1974 Feedwater Piping Fabrication receipt PROD00017629 12/18/1974 Feedwater Piping Fabrication receipt PROD00017630 12/30/1974 Feedwater Piping Fabrication receipt PROD00017631 12/18/1974 Design of Spring Hanger PROD00017632 3/1/2010 Review of Freewater Pump Rec and Warm up Piping PROD00017633 3/4/2010 Review of Freewater Pump Rec and Warm up Piping PROD00017634 3/4/2010 Review of Freewater Pump Rec and Warm up Piping PROD00017635 3/1/2010 Review of Freewater Pump Rec and Warm up Piping PROD00017636 3/1/2010 Review of Freewater Pump Rec and Warm up Piping PROD00017637 3/2/2010 Review Chart of Seismic Restraint PROD00017638 Diagram of Single Spring Hanger Assembly PROD00017639 Diagram of Single Spring Hanger Assembly PROD00017640 Diagram of Single Spring Hanger Assembly PROD00017641 Diagram of Single Spring Hanger Assembly PROD00017642 Allow Field Welds During Installation of Weldolet PROD00017643 Allowed Field Welds During Installation of Weldolet PROD00017644 Diagram of Prairie Island Nuclear Generating Plant Elevation View PROD00017645 Diagram of Prairie Island Nuclear Generating Plant - Elevation View PROD00017646 12/7/2009 New Document Request Form-analysis of U-2 TB CD line from FW heaters to FW pumps suction PROD00017647 12/8/2009 Calculation Signature Sheet regarding external design document suitability PROD00017648 12/7/2009 Calculation Package Analysis of U-2 TB CD Line from FW Heaters to FW Pumps Suction / Turbine Building PROD00017649 10/28/2009 Calculation Package Analysis of FW and CD Lines in Turbine Building; FW Heaters to FW Pumps Suction PROD00017650 10/19/2009 Calculation Package titled seismic and HELB Analyses of Unit 1 Feedwater Discharge Piping to 15A/B Heaters and Turbine Building PROD00017651 12/2/2009 Calculation Package-Analysis of U-1 TB CD Line from FW Heaters to FW Pumps Suction-Turbine Building PROD00017652 10/31/2009 PINGP - CD Piping GR & TH Analysis - Automated Engineering Service PROD00017653 File path to retrieve file PROD00017654 Miscellaneous 3-page Diagram PROD00017655 12/4/2009 Calculation Package Analysis of Unit 2 Feedwater Discharge Piping to 25A/B HTRS PROD00017656 12/2/2009 Calculation Package Analysis of U-1 CD Line from WF Heater 12B to FW Heater 13B

87 Document Number Description PROD00017657 Calculation Signature Sheet regarding pipe support condensate/ pipestress analysis heater and HD pump to FW pumps PROD00017658 Hand-drawn diagram of Node 434 and 334 PROD00017659 New Document Request Form by B. Slack regarding Pipe stress Analysis PROD00017660 New Document Request Form by B. Slack regarding Pipe stress Analysis PROD00017661 12/22/2009 New Document Request Form by B. Slack regarding Pipe stress Analysis PROD00017662 12/22/2009 New Document Request Form by B. Slack regarding Pipe stress Analysis PROD00017663 3/10/2010 Prairie Island Drawing Request by Brian Slack PROD00017664 Prairie Island Drawing Request document PROD00017665 Prairie Island Drawing Request document PROD00017666 Prairie Island Drawing Request document PROD00017667 Prairie Island Drawing Request document PROD00017668 Prairie Island Drawing Request document PROD00017669 Prairie Island Drawing Request document PROD00017670 Prairie Island Drawing Request document PROD00017671 Prairie Island Drawing Request document PROD00017672 Prairie Island Drawing Request document PROD00017673 Prairie Island Drawing Request document PROD00017674 Prairie Island Drawing Request document PROD00017675 Prairie Island Drawing Request document PROD00017676 Prairie Island Drawing Request document PROD00017677 Prairie Island Drawing Request document PROD00017678 Prairie Island Drawing Request document PROD00017679 Prairie Island Drawing Request document PROD00017680 Prairie Island Drawing Request document PROD00017681 Prairie Island Drawing Request document PROD00017682 Prairie Island Drawing Request document PROD00017683 Prairie Island Drawing Request document PROD00017684 Prairie Island Drawing Request document PROD00017685 Prairie Island Drawing Request document PROD00017686 Prairie Island Drawing Request document PROD00017687 Prairie Island Drawing Request document PROD00017688 Prairie Island Drawing Request document PROD00017689 Prairie Island Drawing Request document PROD00017690 Comments to Calc PI-996-P04 PROD00017691 Hand-drawn diagram of Node 5640

88 Document Number Description PROD00017692 50.59 Screening titled stress analysis of feedwater and condensate piping from heaters and heater drain piping from the pump discharge to the condensate system PROD00017693 12/7/2009 New Document Request Form regarding pipestress analysis-heater and HD Pump to FW pumps PROD00017694 Hand-drawn CD Hanger Node Diagram PROD00017695 Pump Calcs chart PROD00017696 1970 document regarding Prairie Island Plant Technical Manual/ Engineering Data Sheet/ Instruction for Installation/ diagram comparisons PROD00017697 Diagram of Reactor Fixed Pump/ Others PROD00017698 12/8/2009 PINGP Calculation titled Center Aisle Input for Turbine Building Gothic Analyses PROD00017699 12/8/2009 PINGP Calculation titled Center Aisle Input for Turbine Building Gothic Analyses PROD00017700 12/8/2009 PINGP Calculation titled Center Aisle Input for Turbine Building Gothic Analyses PROD00017701 Calculation Signature Sheet #ENG-ME-716, Center Aisle Input for Turbine Building GOTHIC Analysis PROD00017702 Calculation Signature Sheet #ENG-ME-716, Center Aisle Input for Turbine Building GOTHIC Analysis PROD00017703 Calculation Signature Sheet #ENG-ME-716, Center Aisle Input for Turbine Building GOTHIC Analysis PROD00017704 Design Review Checklist for ENG-ME-716, Center Aisle Input for Turbine Building GOTHIC Analysis PROD00017705 Design Review Comment Form, ENG-ME-716, Center Aisle Input for Turbine Building GOTHIC Analysis PROD00017706 Calculation Signature Sheet #ENG-ME-716, Center Aisle Input for Turbine Building GOTHIC Analysis PROD00017707 02/22/2010 EC-0441 PRA Flooding analysis for units 1&2 PROD00017708 Form QF-2100 New Document Request form re Turbine Building HELB Output - 160.9 in MSLB PROD00017709 Calculation ENG-ME-709 Rev 0 attachment D - PRES PROD00017710 Calculation ENG-ME-709 Rev 0 attachment D - RHUM PROD00017711 Calculation ENG-ME-709 Rev 0 attachment D - TEMP PROD00017712 Calculation ENG-ME-709 Rev 0 attachment C - PRES PROD00017713 Calculation ENG-ME-709 Rev 0 attachment C - RHUM PROD00017714 Calculation ENG-ME-709 Rev 0 attachment C - TEMP PROD00017715 5/11/2007 spreadsheet of GOTHIC data PROD00017716 Calculation ENG-ME-709 Rev 0 attachment F - RHUM PROD00017717 Calculation ENG-ME-709 Rev 0 attachment F-TEMP PROD00017718 Calculation ENG-ME-709 Rev 0 attachment E - PRES PROD00017719 Calculation ENG-ME-709 Rev 0 attachment E - RHUM PROD00017720 Calculation ENG-ME-709 Rev 0 attachment E - TEMP PROD00017721 Calculation ENG-ME-709 Rev 0 attachment H - PRES PROD00017722 Calculation ENG-ME-709 Rev 0 attachment H - RHUM PROD00017723 Calculation ENG-ME-709 Rev 0 attachment H -TEMP PROD00017724 Calculation ENG-ME-709 Rev 0 attachment G - PRES PROD00017725 Calculation ENG-ME-709 Rev 0 attachment G - RHUM

89 Document Number Description PROD00017726 Calculation ENG-ME-709 Rev 0 attachment G - TEMP PROD00017727 Calculation ENG-ME-709 Rev 0 attachment J - PRES PROD00017728 Calculation ENG-ME-709 Rev 0 attachment J - RHUM PROD00017729 5/11/2007 spreadsheet of GOTHIC data PROD00017730 Computer File Identification PROD00017731 Computer File Identification PROD00017732 Computer File Identification PROD00017733 Computer File Identification PROD00017734 5/11/2007 spreadsheet of GOTHIC data PROD00017735 5/11/2007 spreadsheet of GOTHIC data PROD00017736 Computer File Identification PROD00017737 Computer File Identification PROD00017738 Computer File Identification PROD00017739 Computer File Identification PROD00017740 Calculation ENG-ME-709 Rev 0 attachment I - TEMP PROD00017741 Design Review Checklist Turbine Building HELB Output 160.9 in MSLB/Rev. 0 PROD00017742 Design Review Comment Form ENG-ME-709 / Turbine Building HELB Output 160.9 in MSLB PROD00017743 Calculation Signature Sheet ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017744 05/07/2010 PINGP Calculation ENG-ME-709 Turbine building HELB output 160.90 in MSLB PROD00017745 5/11/2007 spreadsheet of GOTHIC data PROD00017746 Computer File Identification PROD00017747 Computer File Identification PROD00017748 Computer File Identification PROD00017749 Computer File Identification PROD00017750 Computer File Identification PROD00017751 Computer File Identification PROD00017752 Calculation ENG-ME-709 Rev 0 Attachment D - RHUM PROD00017753 Calculation ENG-ME-709 Rev 0 Attachment D - TEMP PROD00017754 Calculation ENG-ME-709 Rev 0 Attachment C - PRES PROD00017755 Calculation ENG-ME-709 Rev 0 Attachment C - RHUM PROD00017756 Calculation ENG-ME-709 Rev 0 Attachment C -TEMP PROD00017757 Calculation ENG-ME-709 Rev 0 Attachment F - PRES PROD00017758 Calculation ENG-ME-709 Rev 0 Attachment F - RHUM PROD00017759 Calculation ENG-ME-709 Rev 0 Attachment F - TEMP PROD00017760 5/11/2007 spreadsheet of GOTHIC data PROD00017761 Computer File Identification

90 Document Number Description PROD00017762 Computer File Identification PROD00017763 Computer File Identification PROD00017764 Computer File Identification PROD00017765 Computer File Identification PROD00017766 Calculation ENG-ME-709 Rev 0 Attachment E - RHUM PROD00017767 Calculation ENG-ME-709 Rev 0 Attachment E - TEMP PROD00017768 Calculation ENG-ME-709 Rev 0 Attachment H - PRES PROD00017769 Calculation ENG-ME-709 Rev 0 Attachment H - RHUM PROD00017770 Calculation ENG-ME-709 Rev 0 Attachment H - TEMP PROD00017771 Calculation ENG-ME-709 Rev 0 Attachment G - PRES PROD00017772 Calculation ENG-ME-709 Rev 0 Attachment G - RHUM PROD00017773 Calculation ENG-ME-709 Rev 0 Attachment G - TEMP PROD00017774 Calculation ENG-ME-709 Rev 0 Attachment J - PRES PROD00017775 Calculation ENG-ME-709 Rev 0 Attachment J - RHUM PROD00017776 Calculation ENG-ME-709 Rev 0 Attachment J - TEMP PROD00017777 5/11/2007 spreadsheet of GOTHIC data PROD00017778 Computer File Identification PROD00017779 Computer File Identification PROD00017780 Computer File Identification PROD00017781 Computer File Identification PROD00017782 Computer File Identification PROD00017783 Calculation ENG-ME-709 Rev 0 Attachment I - RHUM PROD00017784 Calculation ENG-ME-709 Rev 0 Attachment I - TEMP PROD00017785 Design Review Checklist for ENG-ME-709/Turbine Building HELB Output 160.9 in MSLB PROD00017786 Design review comment form for ENG-ME-709/Turbine Building HELB Output 160.9 in MSLB PROD00017787 Calculation Signature Sheet for ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017788 PINGP Calculation ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017789 Calculation Signature Sheet ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017790 New document request form originated by B Slack for ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017791 Calculation Signature Sheet ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017792 Calculation Signature Sheet ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017793 Calculation ENG-ME-709 Rev 0 Attachment C - TEMP PROD00017794 Calculation ENG-ME-709 Rev 0 Attachment C - PRES PROD00017795 Calculation ENG-ME-709 Rev 0 Attachment C - RHUM PROD00017796 Calculation ENG-ME-709 Rev 0 Attachment C - TEMP

91 Document Number Description PROD00017797 Calculation ENG-ME-709 Rev 0 Attachment D -TEMP PROD00017798 Calculation ENG-ME-709 Rev 0 Attachment D - PRES PROD00017799 Calculation ENG-ME-709 Rev 0 Attachment D - RHUM PROD00017800 Calculation ENG-ME-709 Rev 0 Attachment D - TEMP PROD00017801 Calculation ENG-ME-709 Rev 0 Attachment E - TEMP PROD00017802 Calculation ENG-ME-709 Rev 0 Attachment E - PRES PROD00017803 Calculation ENG-ME-709 Rev 0 Attachment E - RHUM PROD00017804 Calculation ENG-ME-709 Rev 0 Attachment E - TEMP PROD00017805 Calculation ENG-ME-709 Rev 0 Attachment F - TEMP PROD00017806 Calculation ENG-ME-709 Rev 0 Attachment F - PRES PROD00017807 Calculation ENG-ME-709 Rev 0 Attachment F-RHUM PROD00017808 Calculation ENG-ME-709 Rev 0 Attachment F - TEMP PROD00017809 Calculation ENG-ME-709 Rev 0 Attachment G - TEMP PROD00017810 Calculation ENG-ME-709 Rev 0 Attachment G - PRES PROD00017811 Calculation ENG-ME-709 Rev 0 Attachment G - RHUM PROD00017812 Calculation ENG-ME-709 Rev 0 Attachment G - TEMP PROD00017813 Calculation ENG-ME-709 Rev 0 Attachment H - TEMP PROD00017814 Calculation ENG-ME-709 Rev 0 Attachment H - PRES PROD00017815 Calculation ENG-ME-709 Rev 0 Attachment H - RHUM PROD00017816 Calculation ENG-ME-709 Rev 0 Attachment H - Temp PROD00017817 Calculation ENG-ME-709 Rev 0 Attachment I - TEMP PROD00017818 Calculation ENG-ME-709 Rev 0 Attachment I - PRES PROD00017819 Calculation ENG-ME-709 Rev 0 Attachment I - RHUM PROD00017820 Calculation ENG-ME-709 Rev 0 Attachment I - TEMP PROD00017821 Calculation ENG-ME-709 Rev 0 Attachment J - TEMP PROD00017822 Calculation ENG-ME-709 Rev 0 Attachment J - PRES PROD00017823 Calculation ENG-ME-709 Rev 0 Attachment J - RHUM PROD00017824 Calculation ENG-ME-709 Rev 0 Attachment J - TEMP PROD00017825 Design Review Checklist ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017826 Design review comment form ENG-ME-709 turbine building HELB output 160.9 in MSLB PROD00017827 Calculation Signature Sheet ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017828 PINGP Calculation for ENG-ME-709 Turbine Building HELB Output 160.9 in MSLB PROD00017829 Calculation ENG-ME-709 Rev 0 Attachment E - TEMP PROD00017830 Calculation ENG-ME-709 Rev 0 Attachment E-PRES PROD00017831 Calculation ENG-ME-709 Rev 0 Attachment E - RHUM PROD00017832 Calculation ENG-ME-709 Rev 0 Attachment E - TEMP

92 Document Number Description PROD00017833 Calculation ENG-ME-709 Rev 0 Attachment F - TEMP PROD00017834 Calculation ENG-ME-709 Rev 0 Attachment F - PRES PROD00017835 Calculation ENG-ME-709 Rev 0 Attachment F - RHUM PROD00017836 Calculation ENG-ME-709 Rev 0 Attachment F - TEMP PROD00017837 Calculation ENG-ME-709 Rev 0 Attachment I - TEMP PROD00017838 Calculation ENG-ME-709 Rev 0 Attachment I - PRES PROD00017839 Calculation ENG-ME-709 Rev 0 Attachment I - RHUM PROD00017840 Calculation ENG-ME-709 Rev 0 Attachment I - TEMP PROD00017841 Calculation ENG-ME-709 Rev 0 Attachment J - TEMP PROD00017842 Calculation ENG-ME-709 Rev 0 Attachment J - PRES PROD00017843 Calculation ENG-ME-709 Rev 0 Attachment J - RHUM PROD00017844 Calculation ENG-ME-709 Rev 0 Attachment J - TEMP PROD00017845 New document request form originated by B Slack Turbine Building HELB Output 160.9 in MSLB PROD00017846 Calculation ENG-ME-710 Rev 0 Attachment L - PRES PROD00017847 Calculation ENG-ME-710 Rev 0 Attachment L - RHUM PROD00017848 Calculation ENG-ME-710 Rev 0 Attachment L - TEMP PROD00017849 Calculation ENG-ME-710 Rev 0 Attachment K - PRES PROD00017850 Calculation ENG-ME-710 Rev 0 Attachment K - RHUM PROD00017851 5/12/2007 spreadsheet of GOTHIC data PROD00017852 Computer File Identification PROD00017853 Computer File Identification PROD00017854 Computer File Identification PROD00017855 Computer File Identification PROD00017856 Computer File Identification PROD00017857 Calculation ENG-ME-710 Rev 0 Attachment N - PRES PROD00017858 Calculation ENG-ME-710 Rev 0 Attachment N - RHUM PROD00017859 5/12/2007 spreadsheet of GOTHIC data PROD00017860 Computer File Identification PROD00017861 Computer File Identification PROD00017862 Computer File Identification PROD00017863 Computer File Identification PROD00017864 Calculation ENG-ME-710 Rev 0 Attachment M - PRES PROD00017865 Calculation ENG-ME-710 Rev 0 Attachment M - RHUM PROD00017866 Calculation ENG-ME-710 Rev 0 Attachment M - TEMP PROD00017867 Calculation ENG-ME-710 Rev 0 Attachment T - PRES PROD00017868 Calculation ENG-ME-710 Rev 0 Attachment T - RHUM

93 Document Number Description PROD00017869 Calculation ENG-ME-710 Rev 0 Attachment T - TEMP PROD00017870 Calculation ENG-ME-710 Rev 0 Attachment S - PRES PROD00017871 Calculation ENG-ME-710 Rev 0 Attachment S - RHUM PROD00017872 Calculation ENG-ME-710 Rev 0 Attachment S - TEMP PROD00017873 Calculation ENG-ME-710 Rev 0 Attachment V - PRES PROD00017874 Calculation ENG-ME-710 Rev 0 Attachment V - RHUM PROD00017875 Calculation ENG-ME-710 Rev 0 Attachment V - TEMP PROD00017876 Calculation ENG-ME-710 Rev 0 Attachment U - PRES PROD00017877 Calculation ENG-ME-710 Rev 0 Attachment U - RHUM PROD00017878 Calculation ENG-ME-710 Rev 0 Attachment U - TEMP PROD00017879 Calculation ENG-ME-710 Rev 0 Attachment P - PRES PROD00017880 Calculation ENG-ME-710 Rev 0 Attachment P - RHUM PROD00017881 Calculation ENG-ME-710 Rev 0 Attachment P - TEMP PROD00017882 Calculation ENG-ME-710 Rev 0 Attachment O - PRES PROD00017883 Calculation ENG-ME-710 Rev 0 Attachment O - RHUM PROD00017884 Calculation ENG-ME-710 Rev 0 Attachment O - TEMP PROD00017885 Calculation ENG-ME-710 Rev 0 Attachment R - PRES PROD00017886 Calculation ENG-ME-710 Rev 0 Attachment R - RHUM PROD00017887 Calculation ENG-ME-710 Rev 0 Attachment R - TEMP PROD00017888 Calculation ENG-ME-710 Rev 0 Attachment Q - PRES PROD00017889 Calculation ENG-ME-710 Rev 0 Attachment Q - RHUM PROD00017890 Calculation ENG-ME-710 Rev 0 Attachment Q - TEMP PROD00017891 Calculation ENG-ME-710 Rev 0 Attachment X - PRES PROD00017892 Calculation ENG-ME-710 Rev 0 Attachment X - RHUM PROD00017893 Calculation ENG-ME-710 Rev 0 Attachment X - TEMP PROD00017894 Calculation ENG-ME-710 Rev 0 Attachment W - PRES PROD00017895 Calculation ENG-ME-710 Rev 0 Attachment W - RHUM PROD00017896 Calculation ENG-ME-710 Rev 0 Attachment W - TEMP PROD00017897 Calculation ENG-ME-710 Rev 0 Attachment Z - PRES PROD00017898 Calculation ENG-ME-710 Rev 0 Attachment Z - RHUM PROD00017899 Calculation ENG-ME-710 Rev 0 Attachment Z - TEMP PROD00017900 Calculation ENG-ME-710 Rev 0 Attachment Y - PRES PROD00017901 5/12/2007 spreadsheet of GOTHIC data PROD00017902 5/12/2007 spreadsheet of GOTHIC data PROD00017903 Computer File Identification PROD00017904 Computer File Identification

94 Document Number Description PROD00017905 Computer File Identification PROD00017906 Computer File Identification PROD00017907 Calculation ENG-ME-710 Rev 0 Attachment D - PRES PROD00017908 Calculation ENG-ME-710 Rev 0 Attachment D - RHUM PROD00017909 Calculation ENG-ME-710 Rev 0 Attachment D - TEMP PROD00017910 Calculation ENG-ME-710 Rev 0 Attachment C - PRES PROD00017911 Calculation ENG-ME-710 Rev 0 Attachment C - RHUM PROD00017912 Calculation ENG-ME-710 Rev 0 Attachment C - TEMP PROD00017913 5/12/2007 spreadsheet of GOTHIC data PROD00017914 Computer File Identification PROD00017915 Computer File Identification PROD00017916 Computer File Identification PROD00017917 Computer File Identification PROD00017918 Computer File Identification PROD00017919 5/12/2007 spreadsheet of GOTHIC data PROD00017920 Computer File Identification PROD00017921 Computer File Identification PROD00017922 Computer File Identification PROD00017923 Computer File Identification PROD00017924 Calculation ENG-ME-710 Rev 0 Attachment F - Temp PROD00017925 Calculation ENG-ME-710 Rev 0 Attachment E - Pres PROD00017926 Calculation ENG-ME-710 Rev 0 Attachment E - RHUM PROD00017927 Calculation ENG-ME-710 Rev 0 Attachment E - TEMP PROD00017928 Calculation ENG-ME-710 Rev 0 Attachment H - Pres PROD00017929 Calculation ENG-ME-710 Rev 0 Attachment H - RHUM PROD00017930 Calculation ENG-ME-710 Rev 0 Attachment H - TEMP PROD00017931 Calculation ENG-ME-710 Rev 0 Attachment G - PRES PROD00017932 Calculation ENG-ME-710 Rev 0 Attachment G - RHUM PROD00017933 Calculation ENG-ME-710 Rev 0 Attachment G - TEMP PROD00017934 Calculation ENG-ME-710 Rev 0 Attachment J - PRES PROD00017935 Calculation ENG-ME-710 Rev 0 Attachment J - RHUM PROD00017936 Calculation ENG-ME-710 Rev 0 Attachment J - TEMP PROD00017937 5/12/2007 spreadsheet of GOTHIC data PROD00017938 xml file http://schemas.openxmlformats.org/package/2006/content-types Computer File Identification PROD00017939 xml file http://schemas.openxmlformats.org/officeDocument/2006/extended-properties

95 Document Number Description PROD00017940 xml file http://schemas.openxmlformats.org/package/2006/metadata/core-properties PROD00017941 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017942 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017943 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017944 xml file http://schemas.openxmlformats.org/drawingml/2006/main PROD00017945 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017946 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment I RHUM PROD00017947 5/12/2007 spreadsheet of GOTHIC data PROD00017948 xml file http://schemas.openxmlformats.org/officeDocument/2006/extended-properties PROD00017949 xml file http://schemas.openxmlformats.org/package/2006/metadata/core-properties PROD00017950 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017951 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017952 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017953 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017954 Calculation ENG-ME-710 rev 0 Spreadsheet Attachment W TEMP PROD00017955 Calculation ENG-ME-710 Rev 0 Attachment Z PRES PROD00017956 Calculation ENG-ME-710 Rev 0 Attachment Z RHUM PROD00017957 5/12/2007 spreadsheet of GOTHIC data PROD00017958 xml file http://schemas.openxmlformats.org/officeDocument/2006/extended-properties PROD00017959 xml file http://schemas.openxmlformats.org/package/2006/metadata/core-properties PROD00017960 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017961 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017962 Calculation ENG-ME-710 Rev 0 Attachment Z PROD00017963 5/12/2007 spreadsheet of GOTHIC data PROD00017964 xml file http://schemas.openxmlformats.org/officeDocument/2006/extended-properties PROD00017965 xml file http://schemas.openxmlformats.org/package/2006/metadata/core-properties PROD00017966 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017967 xml file http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017968 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment Y PROD00017969 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment D PROD00017970 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment D PROD00017971 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment D PROD00017972 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment C PROD00017973 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment C RHUM PROD00017974 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment C TEMP PROD00017975 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment F PRES

96 Document Number Description PROD00017976 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment F RHUM PROD00017977 5/12/2007 spreadsheet of GOTHIC data PROD00017978 xml computer coding http://schemas.openxmlformats.org/officeDocument/2006/extended-properties PROD00017979 xml file extension http://schemas.openxmlformats.org/package/2006/metadata/core-properties PROD00017980 xml file extension http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017981 xml file extension http://schemas.openxmlformats.org/spreadsheetml/2006/main PROD00017982 Calculation ENG-ME-710 Rev 0 Spreadsheet Attachment E PRES PROD00017983 5/12/2007 spreadsheet of GOTHIC data PROD00017984 unidentifiable computer code PROD00017985 unidentifiable computer code PROD00017986 unidentifiable computer code PROD00017987 unidentifiable computer code PROD00017988 calculation ENG - ME Attachment E - Temp PROD00017989 calculation ENG/ME 710 Attachment H PROD00017990 calculation ENG-Me -710 Attachment H PROD00017991 calculation ENG-Me -710 Attachment H PROD00017992 calculation ENG-Me -710 Attachment G PROD00017993 calculation ENG-ME -710 Attachment G PROD00017994 calculation ENG-ME -710 Attachment G PROD00017995 calculation ENG-ME -710 Attachment J PROD00017996 calculation ENG-ME -710 Attachment I PROD00017997 5/12/2007 spreadsheet of GOTHIC data PROD00017998 Calculation ENG-ME -710 attachment I PROD00017999 Calculation ENG-ME -710 attachment I RHUM PROD00018000 5/12/2007 spreadsheet of GOTHIC data PROD00018001 Turbine building HELB output design review check list PROD00018002 Turbine building HELB Out put design review form 5/7/2010 PROD00018003 Turbine Building HELB output calculation signature sheet PROD00018004 Turbine building HELB Output PINGP Calculation 5/7/2010 PROD00018005 Turbine Building HELB Output Design Review Checklist PROD00018006 Turbine Building HELB Output Design Review Comment Form 5/7/2010 PROD00018007 Turbine Building HELB Output Calculation Signature Sheet 5/7/2010 PROD00018008 Turbine Building HELB Output PING calculation 5/7/2010 PROD00018009 Turbine Building HELB Output Calculation signature sheet 5/19/2010 PROD00018010 Turbine Building HELB Output new document request form 4/23/2010 PROD00018011 Turbine Building HELB Output calculation signature sheet 5/7/2010

97 Document Number Description PROD00018012 Turbine Building HELB Output calculation signature page 5/7/2010 PROD00018013 Turbine Building HELB Output design review checklist PROD00018014 Turbine Building HELB Output design review comment form 5/7/2010 PROD00018015 Turbine Building HELB Output calculation signature page PROD00018016 Turbine Building HELB Output PINGP Calculation 5/7/2010 PROD00018017 Turbine Building HELB Output new document request form PROD00018018 Turbine Building HELB Output PINGP Calculation 5/4/2010 PROD00018019 Turbine Building HELB Output PROD00018020 HELB Flow paths Spreadsheet PROD00018021 Turbine Building HELB Output PING Calculation Attachment 10 5/4/2010 PROD00018022 Turbine Building HELB Output PINGP Calculation attachment1 5/4/2010 PROD00018023 Turbine Building HELB Output PROD00018024 Turbine Building HELB Output PING Calculation Attachment 2 Winter Base Gothic Differences Tables PROD00018025 Turbine Building HELB Output calculations winter base PROD00018026 Turbine Building HELB Output PINGP Calculation Attachment 3 Gothic differences tables 5/4/2010 PROD00018027 Turbine Building HELB Output calculations summer base PROD00018028 Turbine Building HELB Output PINGP Calculation Attachment 4 Gothic differences 5/4/2010 PROD00018029 Turbine Building HELB Output calculations winter base PROD00018030 Turbine Building HELB Output PINGP Calculation Attachment 5 Gothic differences tables 5/4/2010 PROD00018031 Turbine Building HELB Output calculations summer base PROD00018032 Turbine Building HELB Output PINGP Calculation Attachment ^ Gothic differences tables 5/4/2010 PROD00018033 Turbine Building HELB Output calculations winter base PROD00018034 Turbine Building HELB Output PINGP Calculation Attachment 7 5/4/2010 PROD00018035 Turbine Building HELB Output calculations summer base PROD00018036 Turbine Building HELB Output PINGP Calculations Attachment 5/4/2010 PROD00018037 Turbine Building HELB Output calculations winter base PROD00018038 Turbine Building HELB Output PINGP Calculation Attachment 9 Gothic Diff Tables 5/4/2010 PROD00018039 Turbine Building HELB Output calculations attachment 11 PROD00018040 Turbine Building HELB Output calculations attachment 11 PROD00018041 Turbine Building HELB Output calculations attachment 12 PROD00018042 Turbine Building HELB Output calculations attachment 12 PROD00018043 Turbine Building HELB Output calculations attachment 13 PROD00018044 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 13 PROD00018045 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 14 PROD00018046 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 14 PROD00018047 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 15

98 Document Number Description PROD00018048 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 15 PROD00018049 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 15 PROD00018050 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 16 PROD00018051 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 17 PROD00018052 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 17 PROD00018053 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 18 PROD00018054 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 18 PROD00018055 718MS2D1-R-L-S pres.txt GOTHIC variables 4/6/2010 PROD00018056 718MS2D1-R-L-S rhum.txt GOTHIC variables 4/6/2010 PROD00018057 718MS2D1-R-L-temp.txt GOTHIC variables 4/6/2010 PROD00018058 718MS2D1-R-L-W pres.txt GOTHIC variables 4/6/2010 PROD00018059 718MS2D1-R-L-W rhum.txt GOTHIC variables 4/6/2010 PROD00018060 718MS2D1-R-L-W temp.txt GOTHIC variables 4/6/2010 PROD00018061 718MS2D1-R-S-S-pres.txt GOTHIC 4/6/2010 variables PROD00018062 718MS2D1-R-S-S-rhums.txt GOTHIC 4/6/2010 variables PROD00018063 718MS2D1-R-S-S-temp.txt GOTHIC 4/6/2010 variables PROD00018064 718MS2D1-R-S-W-pres.txt GOTHIC 4/6/2010 variables PROD00018065 718MS2D1-R-S-W-rhum.txt GOTHIC 4/6/2010 variables PROD00018066 718MS2D1-R-S-W-temp.txt GOTHIC 4/6/2010 variables PROD00018067 718MS2H1-O-L-S-pres.txt GOTHIC 4/7/2010 variables PROD00018068 718MS2H1-O-L-S-rhum.txt GOTHIC 4/7/2010 variables PROD00018069 718MS2H1-O-L-S-temp.txt GOTHIC 4/7/2010 variables PROD00018070 718MS2H1-O-L-W-pres.txt GOTHIC 4/7/2010 variables PROD00018071 718MS2H1-O-L-W-rhum.txt GOTHIC 4/7/2010 variables PROD00018072 718MS2H1-O-L-W-temp.txt GOTHIC 4/7/2010 variables PROD00018073 718MS2H1-O-S-S-pres.txt GOTHIC 4/7/2010 variables PROD00018074 718MS2H1-O-S-S-rhum.txt GOTHIC 4/7/2010 variables PROD00018075 718MS2H1-O-S-S-temp.txt GOTHIC 4/7/2010 variables PROD00018076 718MS2H1-O-S-W-pres.txt GOTHIC 4/7/2010 variables PROD00018077 718MS2H1-O-S-W-rhum.txt GOTHIC 4/7/2010 variables PROD00018078 718MS2H1-O-S-W-temp.txt GOTHIC 4/7/2010 variables PROD00018079 Turbine Building HELB Output PING Calculation Attachment 10 OSS Gothic Difference tables 4/7/10 PROD00018080 Turbine Building HELB Output PING Calculation Attachment 1 summer base Gothic Difference tables 4/7/10 PROD00018081 Turbine Building HELB Output PING Calculation Attachment 2 winter base Gothic Difference tables 4/7/10 PROD00018082 Turbine Building HELB Output PING Calculation Attachment 3 Case 718MS2D1 R-L-W Gothic Difference tables 4/7/10

99 Document Number Description PROD00018083 Turbine Building HELB Output PING Calculation Attachment 4 Case 718MS2D1 R-L-S Gothic Difference tables 4/7/10 PROD00018084 Turbine Building HELB Output Attachment 5 Case 718MS2D1 R-S-W Gothic Differences Tables 4/7/2010 PROD00018085 Turbine Building HELB Output Attachment 6 Case 718MS2D1 R-S-S Gothic Differences Tables 4/7/2010 PROD00018086 Turbine Building HELB Output PINGP Calculation Attachment 7 Case 718MS2H1 O-L-W Gothic Differences Tables 4/7/2010 PROD00018087 Turbine Building HELB Output PINGP Calculation Attachment 8 Case 718MS2H1 O-L-S Gothic Differences Tables 4/7/2010 PROD00018088 Turbine Building HELB Output PINGP Calculation Attachment 9 Case 718MS2H1 O-S-W Gothic Differences Tables 4/7/2010 PROD00018089 File comparison HELB\\ENG-ME-774 summer base - forcing function tables PROD00018090 File comparison HELB\\ENG-ME-774 summer base - forcing flow paths tables PROD00018091 Calculation ENG-ME-774 Attachment 11 variables PROD00018092 Calculation ENG-ME-774 Attachment 12 variables PROD00018093 Calculation ENG-ME-774 Attachment 13 variables PROD00018094 Calculation ENG-ME-774 Attachment 14 variables PROD00018095 Calculation ENG-ME-774 Attachment 15 MS2H1-O-L-W temp.txt Gothic 4/7/2010 variables PROD00018096 Calculation ENG-ME-774 Attachment 16 718MS2H1-O-L-S-temp.txt Gothic 4/7/2010 variables PROD00018097 Calculation ENG-ME-774 Attachment 17 718MS2H1-O-S-W temp.txt Gothic 4/7/2010 variables PROD00018098 Calculation ENG-ME-774 Attachment 18 718MS2H1-O-S-S temp.txt Gothic 4/7/2010 variables PROD00018099 File comparison ENG-ME-774 winter base forcing function tables PROD00018100 File comparison ENG-ME-774 winter base flow paths table 1 PROD00018101 File comparison ENG-ME-774 summer base flow paths table 1 PROD00018102 File comparison ENG-ME-774 winter base flow paths table 1 PROD00018103 File comparison ENG-ME-774 summer base flow paths table 1 PROD00018104 File comparison ENG-ME-774 winter base flow paths table 1 PROD00018105 File comparison ENG-ME-774 summer base flow paths table 1 PROD00018106 File comparison ENG-ME-774 winter base Flow Paths Table 1 PROD00018107 Calculation ENG-ME-Attachment 11, 1016MS1J3-S-temp.txt GOTHIC 1/22/2010 PROD00018108 Turbine Building HELB Output PINGP Calculation 4/7/2010 PROD00018109 Turbine Building HELB Output PINGP Calculation 4/7/2010 attachment 11 PROD00018110 Turbine Building HELB Output PINGP Calculation 4/7/2010 Attachment 4 PROD00018111 Turbine Building HELB Output PINGP Calculation 4/7/2010 718MS2H1 O-S-S temp.txt GOTHIC variables PROD00018112 Turbine Building HELB Output PINGP Calculation 4/7/2010 Attachment 14 PROD00018113 Turbine Building HELB Output PINGP Calculation 4/7/2010 PROD00018114 Turbine Building HELB Output PINGP Calculation 5/4/2010

100 Document Number Description PROD00018115 Turbine Building HELB Output - 71.8 in MSLB Design Review Comment Form PROD00018116 Turbine Building HELB Output 71.8 in MSLB Calculation signature Page 4/7/2010 PROD00018117 Turbine Building HELB Output 71.8 in MSLB New Document Request Form 4/22/2010 PROD00018118 Turbine Building Calculation ENG-ME-XXX Attachment 11, 1016MS1J3-S-temp.txt GOTHIC 1/22/2010 variables PROD00018119 Turbine Building Calculation ENG-ME-774 Attachment 14 PROD00018120 Turbine Building Calculation ENG-ME-774 Attachment 11, 718MS2D1-R-L-W-temp.txt GOTHIC 4/6/2010 variables PROD00018121 Turbine Building Calculation ENG-ME-774 Attachment 13, 718MS2D1-R-S-W-temp.txt GOTHIC 4/6/2010 variables PROD00018122 Turbine Building HELB Output PINGP Calculation PROD00018123 Turbine Building HELB Output Calculation Signature Sheet 4/7/2010 PROD00018124 Turbine Building HELB Output Calculation ENG-ME-774 Attachment 14 PROD00018125 Turbine Building HELB Output New Document Request Form PROD00018126 Turbine Building HELB Output PINGP Calculation 5/4/2010 PROD00018127 File comparison ENG-ME-775 summer base Forcing Function Tables PROD00018128 File comparison ENG-ME-775 summer base Flow Paths Table 1 PROD00018129 Turbine Building HELB Output PING Calculation Attachment 10 Case 457MS2H1-O-S-S-Gothic Differences Tables PROD00018130 Calculation ENG-ME-775 Attachment 11 457MS2D1-R-L-W-temp.txt GOTHIC 4/23/2010 variables PROD00018131 Calculation ENG-ME-775 Attachment 12 4/23/2010 variables PROD00018132 Calculation ENG-ME-775 Attachment 13 457MS2D1-R-S-W-temp.txt GOTHIC 4/23/2010 variables PROD00018133 Calculation ENG-ME-775 Attachment 14 457MS2D1-R-S-s-temp.txt GOTHIC 4/23/2010 variables PROD00018134 Calculation ENG-ME-775 Attachment 15 457MS2H1-O-L-W-temp.txt GOTHIC 4/23/2010 variables PROD00018135 Calculation ENG-ME-775 Attachment 16 457MS2H1-O-L-S-temp.txt GOTHIC 4/23/2010 variables PROD00018136 Calculation ENG-ME-775 Attachment 17 457MS2H1-O-S-W-temp.txt GOTHIC 4/23/2010 variables PROD00018137 Calculation ENG-ME-775 Attachment 18 457MS2H1-O-S-S-temp.txt GOTHIC 4/23/2010 variables PROD00018138 Turbine Building HELB Output PINGP Calculation Attachment ! Summer Base Case GOTHIC Differences Tables 4/26/2010 PROD00018139 File Comparison ENG-ME-775 winter base Forcing Function Tables January 2006 PROD00018140 Turbine Building HELB Output PINGP Calculation Attachment Winter Base Case GOTHIC Differences Tables 4/26/2010 PROD00018141 File Comparison HELB/ENG-ME-775 Flow Paths Table 1 PROD00018142 Turbine Building HELB Output PINGP Calculation Attachment 3 Case 457MS2D1-R-L-W-GOTHIC Differences Tables 4/26/2010 PROD00018143 HELB/ENG-ME-775 summer base Flow Paths Table 1

101 Document Number Description PROD00018144 Turbine Building HELB Output PINGP Calculation Attachment 4 Case 457MS2D1 R-L-S GOTHIC Differences Tables 4/26/2010 PROD00018145 File Comparison HELB/ENG-ME winter base Flow Paths PROD00018146 Turbine Building HELB Output PINGP Calculation Attachment 5 Case 457MS2D1-R-S-W GOTHIC Differences Tables 4/26/2010 PROD00018147 File Comparison HELB/ENG-ME 775 summer base Flow Paths Table 1 PROD00018148 Turbine Building HELB Output PINGP Calculation Attachment 6 Case 457MS2D1 R-S-S GOTHIC Differences Tables 4/26/2010 PROD00018149 File Comparison HELB/ENG/ME winter base Flow Paths Table 1 PROD00018150 Turbine Building HELB Output PINGP Calculation Attachment 7 Case 457MS2H1-O-L-W GOTHIC Differences Tables 4/26/2010 PROD00018151 File Comparison HELB/ENF-ME summer base Flow Paths Table 1 PROD00018152 Turbine Building HELB Output PINGP Calculation Attachment 8 Case 457MS2H1 O-L-S GOTHIC Differences Tables 4/26/2010 File Comparison HELB/ENG-ME winter base PROD00018153 Flow Path Table 1 PROD00018154 Turbine Building HELB Output PINGP Calculation Attachment 9 Case 457MS2H1-O-S-W GOTHIC Differences Tables 4/26/2010 PROD00018155 Calculation ENG-ME-775 Attachment 11 variables PROD00018156 Calculation ENG-Me-775 Attachment 12 variables PROD00018157 Calculation ENG-ME-775 Attachment 13 variables PROD00018158 Calculations ENG-ME-775 Attachment 14 variables PROD00018159 Calculation ENG-ME-775 Attachment 15 variables PROD00018160 Calculation ENG-ME-775 Attachment 16 variables PROD00018161 Calculation ENG-ME-775 Attachment 17 variables PROD00018162 Calculations ENG-ME-775 Attachment 18 variables PROD00018163 457MS2D1-R-L-S-pres.txt GOTHIC 4/22/2010 variables PROD00018164 457MS2D1-R-L-S-rhum.txt GOTHIC 4/22/2010 variables PROD00018165 457MS2D1-R-L-S-temp.txt GOTHIC 4/22/2010 variables PROD00018166 457MS2D1-R-L-W-pres.txt GOTHIC 4/22/2010 variables PROD00018167 457MS2D1-R-L-W-rhum.txt GOTHIC 4/22/2010 variables PROD00018168 457MS2D1-R-L-W-temp.txt GOTHIC 4/22/2010 variables PROD00018169 457MS2D1-R-S-S-pres.txt GOTHIC 4/22/2010 variables PROD00018170 457MS2D1-R-S-S-rhum.txt GOTHIC 4/22/2010 variables PROD00018171 457MS2D1-R-S-S-temp.txt GOTHIC 4/22/2010 variables PROD00018172 457MS2D1-R-S-W-rhum.txt GOTHIC 4/22/2010 variables

102 Document Number Description PROD00018173 457MS2D1-R-S-W-pres.txt GOTHIC 4/22/2010 variables PROD00018174 457MS2D1-R-S-W-temp.txt GOTHIC 4/22/2010 variables PROD00018175 Turbine Building HELB Output Attachment 10 Case 457MS2H1-O-S-S-GOTHIC Differences Tables PING Calculation 4/7/2010 PROD00018176 Turbine Building HELB Output Attachment 1 Summer Base Case GOTHIC Differences Tables PINGP Calculation 4/7/2010 PROD00018177 Turbine Building HELB Output Attachment 2 Winter Base GOTHIC Differences Tables PINGP Calculation 4/7/2010 PROD00018178 Turbine Building HELB Output Attachment 3 Case 457MS2D1-R-L-W GOTHIC Differences Tables PINGP Calculation 4/7/2010 PROD00018179 Turbine Building HELB Output Attachment 4 Case 457MS2D1-R-L-S Gothic Difference tables PINGP Calculations PROD00018180 Turbine Building HELB Output Attachment 5 Case 457MS2D1-R-S-W GOTHIC Differences tables PINGP Calculation 4/7/2010 PROD00018181 Turbine Building HELB Output Attachment 6 Case 457MS2D1-R-S-S-GOTHIC Differences Tables PINGP Calculation 4/7/2010 PROD00018182 4/7/2010 report calculation re: turbine building HELB output PROD00018183 4/7/2010 report calculation re: turbine building HELB output PROD00018184 4/7/2010 report calculation re: turbine building HELB output PROD00018185 4/22/2010 Engineering statistics and chart PROD00018186 4/22/2010 Engineering statistics and chart PROD00018187 Engineering statistics and chart PROD00018188 Engineering statistics and chart PROD00018189 Engineering statistics and chart PROD00018190 Engineering statistics and chart PROD00018191 4/22/2010 HELB engineering statistics and charts PROD00018192 4/22/2010 HELB engineering statistics and charts PROD00018193 4/22/2010 HELB engineering statistics and charts PROD00018194 4/22/2010 HELB engineering statistics and charts PROD00018195 4/22/2010 HELB engineering statistics and charts PROD00018196 HELB engineering statistics and charts PROD00018197 HELB engineering statistics PROD00018198 HELB engineering statistics PROD00018199 4/7/2010 PINGP Calculation re: Turbine building helb output - 45.7in mslb PROD00018200 New Document Request Form re Turbine building HELB output - 45.7in MSLB PROD00018201 temperature graph

103 Document Number Description PROD00018202 4/7/2010 Report re: turbine building HELB output PROD00018203 Report re: turbine building HELB output PROD00018204 Engineering calculations PROD00018205 Engineering calculations PROD00018206 Engineering calculations PROD00018207 Engineering calculations PROD00018208 4/26/2010 report re: HELB output in the turbine building PROD00018209 4/26/2010 report re: HELB output in the turbine building PROD00018210 Calculation signature sheet re: HELB output in the turbine building PROD00018211 Calculation signature sheet re: HELB output in the turbine building PROD00018212 calculation signature sheet re: HELB output in the turbine building PROD00018213 New document request form re: HELB output in the turbine building PROD00018214 New document request form re: HELB output in the turbine building PROD00018215 4/26/2010 report re: HELB output in the turbine building PROD00018216 5/6/2010 report re: HELB output in the turbine building PROD00018217 4/22/2010 Xcel new document request form and HELB interactions in the turbine building PROD00018218 Xcel new document request form and HELB flooding interactions in the turbine building PROD00018219 5/6/2010 Calculation report re: HELB flooding interactions in the turbine building PROD00018220 4/22/2010 Xcel new document request form and HELB flooding interactions in the turbine building PROD00018221 Xcel new document request form and HELB flooding interactions in the turbine building PROD00018222 Calculation Signature Sheet re Determination of HELB / Flooding interactions in the turbine building rev 1 PROD00018223 Report and chart re: HELB flooding interactions in the turbine building PROD00018224 Report and charts re: HELB flooding interactions in the turbine building PROD00018225 6/1/2010 Calculations Signature Sheet re: HELB flooding interactions in the turbine building PROD00018226 5/26/2010 Calculations Report re: HELB flooding interactions in the turbine building PROD00018227 5/26/2010 Calculations Report re: HELB flooding interactions in the turbine building PROD00018228 Report/chart re: HELB flooding interactions in the turbine building PROD00018229 5/26/2010 Calculation report re: HELB flooding interactions in the turbine building PROD00018230 Xcel calculation signature sheet re: HELB flooding interactions in the turbine building PROD00018231 5/21/2010 Xcel design review comment form re: HELB flooding interactions in the turbine building PROD00018232 Xcel calculation signature sheet re: HELB flooding interactions in the turbine building PROD00018233 5/21/2010 Design review comment form re: HELB flooding interactions in the turbine building PROD00018234 Turbine and HELB flooding interactions chart PROD00018235 Turbine and HELB flooding interactions chart PROD00018236 Turbine engineering statistics PROD00018237 Turbine engineering statistics

104 Document Number Description PROD00018238 Turbine engineering statistics PROD00018239 HELB engineering chart PROD00018240 3/2/2010 PINGP Calculation re Composite Environmental Profiles for turbine building helb scenarios PROD00018241 4/26/2010 HELB engineering graphs PROD00018242 4/26/2010 HELB engineering graphs PROD00018243 4/26/2010 HELB engineering graphs PROD00018244 4/26/2010 HELB engineering graphs PROD00018245 HELB and turbine statistics chart PROD00018246 3/20/2010 report re: composite environmental profiles for turbine building HELB scenarios PROD00018247 HELB engineering statistics PROD00018248 chart listing nothing but 'MS SYSLINE' and other specs?

PROD00018249 3/13/2009 report from Advent Engineering Services re: Auxiliary building fire protection PROD00018250 11/16/2009 Design Input Consultation Form re EC Number : 14668 / Cold Chemistry Laboratory Sample Cooling System PROD00018251 7/9/2009 Design Input Consultation Form re: HELB and the cooling system PROD00018252 7/9/2009 Design Input Consultation Form re: HELB and cooling system PROD00018253 11/16/2009 Design Input Consultation Form re: HELB and the cold chemistry laboratory sample cooling system PROD00018254 11/16/2009 Design Input Consultation Form re: HELB and the cold chemistry laboratory sample cooling system PROD00018255 Chart listing turbine and line break information PROD00018256 random references to pipes and door gaps PROD00018257 report and discussion of HELB consequences PROD00018258 report re: Piping specifications and equipment PROD00018259 Equipment Module PROD00018260 Report on results re: PINGP USAR section 1.12.1-HELBs?

PROD00018261 Report on results re: ANSI/ANS-58.2-1988 PROD00018262 Report and graphs on pressure/temperature versus distance curves PROD00018263 5/21/1999 report from Automated Engineering Services Co re: NSP Prairie Island Nuclear Plant and HELB and calculation verification checklists PROD00018264 5/21/1999 report from Automated Engineering Services Co re: NSP Prairie Island Nuclear Plant and HELB PROD00018265 5/23/1999 AES calculations Pi-M-003 PROD00018266 174 drafts of Xcel Energy Calculation Signature Sheets re: HELB analysis PROD00018267 questions related to the use of Gothic software for HELB analysis PROD00018268 HELB OBNs re: rooms affected by HELB environment PROD00018269 HELB project update re: leakage and turbine calculations PROD00018270 HELB project update re: leakage and turbine calculations PROD00018271 blueprints and designs

105 Document Number Description PROD00018272 9/29/2008 letter from Nuclear Management Co to Prairie Island re: Unanalyzed condition due to both trains of component cooling being susceptible to a postulated HELB PROD00018273 11/19/2009 Fedex receipt from Linda Hall Library document services PROD00018274 List of HELB status and major HELB issues PROD00018275 MS break sizes PROD00018276 1/1/2008 report prepared by Numerical Applications Inc for the Electric Power Research Institute re: methods and guidelines for PWR modeling with Gothic PROD00018277 6/4/1999 internal memo from Cliff Bonneau to Dave Rothrock re: NRC log of contact and need for NRC review of Gothic PROD00018278 blueprint/diagram PROD00018279 temperature graph PROD00018280 4/1/1993 report by Halliburton Corp re: power plant examination and risk assessment and pipe failure study update PROD00018281 Turbine Bldg HELB Analysis Closeout PROD00018282 List of calculations related to Turbine Building HELB Analysis PROD00018283 Auxiliary Building Steel Area Spreadsheet PROD00018284 Area 1J3 Condenser Turbine Pit elevation 679'-0" Unit 2 Spreadsheet PROD00018285 Area 1J1 Condenser Turbine Pit elevation 679'-0" Unit 2 Spreadsheet PROD00018286 3/21/2001 General Computation Sheet: Auxiliary Building HELB Surface Areas & Flow Paths PROD00018287 3/13/2001 General Computation Sheet: Turbine Building HELB Compartment Volumes PROD00018288 3/22/2001 General Computation Sheet: Turbine Building HELB Surface Areas & Flow Paths PROD00018289 HELB Calculation Status PROD00018290 Turbine Building Metal Surface Elev. 695 Spreadsheet PROD00018291 Auxiliary Building Steel Area Spreadsheet PROD00018292 Area 1J3 Condenser Turbine Pit elevation 679'-0" Unit 2 Surface Area Summary Spreadsheet PROD00018293 Area 1J3 Condenser Turbine Pit elevation 679'-0" Unit 2 Surface Area Summary Spreadsheet PROD00018294 3/21/2001 General Computation Sheet: Auxiliary Building HELB Surface Areas & Flow Paths PROD00018295 3/13/2001 General Computation Sheet: Turbine Building HELB Compartment Volumes PROD00018296 3/22/2001 General Computation Sheet: Turbine Building HELB Surface Areas & Flow Paths PROD00018297 HELB Calculation Status PROD00018298 Turbine Building Metal Surface Elev. 695 Spreadsheet PROD00018299 Inertia Length Sensitivity Study PROD00018300 8/29/2008 Mass and Energy Release Impact on the GOTHIC HELB Analysis: Sensitivity Study, prepared by G.

Hostetter, Advent Engineering Services PROD00018301 4/11/2008 Review of Aux Turbine Building HELB Calculations, prepared by Advent Engineering Services

106 Document Number Description PROD00018302 6/17/2008 Auxiliary / Fuel Handling Building Blow-It / Blow-Out Girt Panels & Galvanized Siding Panels, prepared by Advent Engineering Services PROD00018303 5/21/2008 Auxiliary / Fuel Handling Building Blow-In / Blow-Out Panels & Galvanized Siding, prepared by Advent Engineering Services PROD00018304 6/17/2008 Turbine Building Blow-In / Blow-Out Girt Panels & Galvanized Siding Blow-Out Panels, prepared by Advent Engineering Services PROD00018305 11/17/2008 PINGP Calculation: Determination of Number of High Energy Pipe Sections Affective Turbine Building CC Piping Using EPRI Methodology PROD00018306 11/13/2008 NRC Question Response Form re potential loss of redundant safety-related equipment in the event of HELB PROD00018307 12/11/2000 USNRC: NRC Information Notice 2000-20: Potential Loss of Redundant Safety-Related Equipment Because of the Lack of High-Energy Line Break Barriers PROD00018308 USAR Appendix I Review: I.5.5 Flooding PROD00018309 SE #478-AI-03: USAR Appendix I - Pipe Stress and Pipe Whip PROD00018310 3/8/2010 NRC Question Response Form PROD00018311 CC/HELB piping dated to support BRC - Significant Determination Process PROD00018312 11/17/2008 PINGP Calculation: Determination of Number of High Energy Pipe Sections Affecting Turbine Bldg CC Piping Using EPRI Methodology PROD00018313 3/26/2009 NRC Question Response Form: re operations insights of the operation history of the De-aerating Steam Line PROD00018314 3/23/2009 NRC Question Response Form: re insights into the operation history of the De-aerating Steam Line PROD00018315 1/28/2009 NRC Question Response Form: re length and diameter of CC piping and other pipes PROD00018316 3/13/2009 NRC Question Response Form: re length and diameter of CC piping and other pipes, Rev. 2 PROD00018317 11/6/2008 NRC Question Response Form: re length and diameter of CC piping and other pipes PROD00018318 3/9/2010 NRC Question Response Form: re CL-HELB interaction PROD00018319 3/8/2010 NRC Question Response Form: re CL-HELB interaction PROD00018320 11/13/2008 NRC Question Response Form: re request for numerous documents PROD00018321 11/19/2008 NRC Question Response Form: re compartment pressure values between SE-1039 & calc PI-S-031 PROD00018322 6/18/2009 NRC Question Response Form: re site's response to NRC Generic Letter GL 87-11 PROD00018323 1/27/2009 NRC Question Response Form: re length and diameter of CC piping and other pipes, Revision 1 PROD00018324 3/12/2009 NRC Question Response Form: re length and diameter of CC piping and other pipes, Revision 2 PROD00018325 4/17/2010 NRC Question Response Form: status of EXs 9060 & 9071 PROD00018326 11/17/2008 NRC Question Response Form: request for numerous documents PROD00018327 12/19/2008 NRC Question Response Form: Unit 2 HELB and adequate NPSH at Unit 1 CC pump PROD00018328 Turbine Building CC / HELB interaction issue PROD00018329 Spreadsheet re total flood rate and net flow rate into TB: Bat room U2 to U1

107 Document Number Description PROD00018330 Spreadsheet re total flood rate and net flow rate into TB: D1-D2 with wier PROD00018331 Spreadsheet re total flood rate and net flow rate into TB: D1-D2 with wier - CL stop PROD00018332 Spreadsheet re total flood rate and net flow rate into TB: D1-D2 with wier - CL Stop, new flowrates PROD00018333 Spreadsheet re total flood rate and net flow rate into TB: D1-D2 with wier - FP stop PROD00018334 Spreadsheet re total flood rate and net flow rate into TB: D1-D2 with wier - FP stop - new flowrates PROD00018335 Operability Recommendation: re missing analysis for flooding impacting safety related equipment in the Turbine Building PROD00018336 Spreadsheet re total flood rate and net flow rate into TB: Revision 1 PROD00018337 Operability Recommendation: re no design basis evaluation of the effects of flooding due to a HELB in the turbine building has been performed by the site at this time PROD00018338 Operability Recommendation: re missing analysis for flooding impacting safety related equipment in the Turbine Building, Revision 1 PROD00018339 Operability Recommendation: re missing analysis for flooding impacting safety related equipment in the Turbine Building PROD00018340 Spreadsheet screenshot re Flow from systems in Diesel D1 & D2 Room, Revision 1 PROD00018341 Screenshot of spreadsheet re Total Flood Rate in Diesel D1 & D2 Room PROD00018342 Photo Related to CC/HELB White Finding PROD00018343 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, Test 2 PROD00018344 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, Test PROD00018345 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, Test PROD00018346 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, Unit 2 with wier PROD00018347 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, Unit 2 with wier - New CL Stop PROD00018348 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, Unit 2 with wier - New FP stop PROD00018349 Spreadsheet re Total Flow Rate and Net Flow Rate Into TB, weir - updated with new openings PROD00018350 Discussion related to whether the Component Cooling system is required to be available post-HELB PROD00018351 Discussion related to whether the Component Cooling system is required to be available post-HELB PROD00018352 Potter-wall thickness evaluation PROD00018353 Plant Safety Procedures: High Energy Line Break/Line, Revised PROD00018354 Photo Related to CC/HELB White Finding PROD00018355 HELB Reconstitution Project Outline PROD00018356 Point Beach Nuclear Plant HELB Reconstitution Program High Energy Line Break Document Review PROD00018357 HELB Reconstitution Project Outline PROD00018358 Point Beach Nuclear Plant: HELB Reconstitution Program: High Energy Line Break Document Review, Revision 1

PROD00018359 Prairie Island Nuclear Plant: HELB Reconstitution Program: High Energy Line Break Document Review, correlation

108 Document Number Description PROD00018360 2/17/2009 Design Review Comment Form re EC15656 / Eval of Flooding Times and flow rates associated with U1 and U2 TB for SDP PROD00018361 2/18/2009 Design Review Comment Form re EC15657 / Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00018362 Spreadsheet re Q.submerged PROD00018363 Spreadsheet re Q.submerged new PROD00018364 Calculation ENG-ME-732, Attachment 1 PROD00018365 2/17/2009 EC 15656 Evaluation of Flooding Times and Flow Rates Associated with Unit 1 and Unit 2 TB for Significance Determination PROD00018366 Unit 1 & 2 Door 45 closed, Attachment 4 PROD00018367 Unit 1 Door Closed, Attachment 2 PROD00018368 Unit 2, Attachment 3 PROD00018369 2/17/2009 Design Review Comment Form: Eval of Flooding Times and flow rates associated with U1 and U2 TB for SDP PROD00018370 Unit 2, EC 15657, Attachment 1 PROD00018371 3/16/2010 File Comparison: C:\\Potter SDP to Pre-April\\Feedwater Runs\\2D4\\h1-2d4 / E:\\HELB\\Turbine Building base model (ENG-ME-708 Rev 0)\\A1-1D1.GTH PROD00018372 3/16/2010 Differences tables I1-2d4 to A1-1d1 PROD00018373 3/16/2010 Differences Tables a2-1j3 to A1-1d1 PROD00018374 3/16/2010 Differences Tables B2-1j3 to A1-1d1 PROD00018375 3/16/2010 Differences Tables C2-2h4 to A1-1d1 PROD00018376 3/16/2010 Differences Tables D2-1j1 to A1-1d1 PROD00018377 3/16/2010 Differences Tables E2-1j1 to A1-1d1 PROD00018378 3/16/2010 Differences Tables F2-1j1 to A1-1d1 PROD00018379 3/16/2010 Differences Tables G2-1j1 to A1-1d1 PROD00018380 3/16/2010 Differences Tables H2-2h4 to A1-1d1 PROD00018381 EC 15657: Summary Table PROD00018382 3/16/2010 Differences Tables I2-1j1 to A1-1d1 PROD00018383 3/16/2010 Differences Tables from Model a1-1d1 to TB-Base PROD00018384 3/16/2010 Differences Tables from B1-1d1 to A1-1d1 PROD00018385 3/16/2010 Differences Tables C1-1d1 to A1-1d1 PROD00018386 3/16/2010 Differences Table D1-1d1 to A1-1d1 PROD00018387 3/16/2010 Differences Table E1-1d1 to A1-1d1 PROD00018388 3/16/2010 Differences Table F1-2d4 to A1-1d1 PROD00018389 3/16/2010 Differences Tables G1-2D4-to A1-1d1

109 Document Number Description PROD00018390 2/18/2009 Design Review Comment Form re EC15657 / Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00018391 3/12/2010 EC Number: 15657: Evaluation of FW and Condensate HELB Affects for Sprinkler Initiation for SDP PROD00018392 3/12/2010 EC Number 15657: Evaluation of FW and Condensate HELB Affects for Sprinkler Initiation for SDP PROD00018393 EC 15657 Summary Table PROD00018394 5/21/2010 GOTHIC Differences tables from H1-2D4 to A1-1d1 PROD00018395 5/21/2010 GOTHIC Differences tables from I1-1D1 to A1-1d1 PROD00018396 5/21/2010 GOTHIC Differences tables from A2-1J3 to A1-1d1 PROD00018397 5/21/2010 GOTHIC Differences tables from A2-1J3 to A1-1d1 PROD00018398 5/21/2010 GOTHIC Differences tables from C2-2H4 to A1-1d1 PROD00018399 5/21/2010 GOTHIC Differences tables from D2-1J1 to A1-1d1 PROD00018400 5/21/2010 GOTHIC Differences tables from E2-1J1 to A1-1d1 PROD00018401 5/21/2010 GOTHIC Differences tables from F2-1J1 to A1-1d1 PROD00018402 5/21/2010 GOTHIC Differences tables from G2-2H4 to A1-1d1 PROD00018403 5/21/2010 GOTHIC Differences tables from H2-2H4 to A1-1d1 PROD00018404 EC 15657, Rev. 1, Attachment 2: Numeric Output of All Runs PROD00018405 5/21/2010 GOTHIC Differences tables from I2-1J1 to A1-1d1 PROD00018406 5/21/2010 GOTHIC Differences tables from A1-1D1 to Model TB-base PROD00018407 5/21/2010 GOTHIC Differences tables from B1-1D1 to A1-1d1 PROD00018408 5/21/2010 GOTHIC Differences tables from c1-1D1 to A1-1d1 PROD00018409 5/21/2010 GOTHIC Differences tables from D1-1D1 to A1-1d1 PROD00018410 5/21/2010 GOTHIC Differences Tables from e1-1D1 to A1-1d1 PROD00018411 5/21/2010 GOTHIC Differences tables from F1-2D4 to A1-1d1 PROD00018412 5/21/2010 GOTHIC Differences tables from G1-2D4 to A1-1d1 PROD00018413 5/21/2010 EC Number 15657, Rev. 1: Evaluation of FW and Condensate HELB Affects for Sprinkler Initiation for SDP PROD00018414 EC 15657, Attachment 1: Pipe Length Determination PROD00018415 5/21/2010 GOTHIC Differences tables from H1-2D4 to A1-1d1 PROD00018416 5/21/2010 GOTHIC Differences tables from I1-1D1 to A1-1d1 PROD00018417 5/21/2010 GOTHIC Differences tables from A2-1J3 to A1-1d1 PROD00018418 5/21/2010 GOTHIC Differences tables from A2-1J3 to A1-1d1 PROD00018419 5/21/2010 GOTHIC Differences tables from C2-2H4 to A1-1d1 PROD00018420 5/21/2010 GOTHIC Differences tables from D2-1J1 to A1-1d1 PROD00018421 5/21/2010 GOTHIC Differences tables from E2-1J1 to A1-1d1 PROD00018422 5/21/2010 GOTHIC Differences tables from F2-1J1 to A1-1d1 PROD00018423 5/21/2010 GOTHIC Differences tables from G2-2H4 to A1-1d1

110 Document Number Description PROD00018424 5/21/2010 GOTHIC Differences tables from H2-2H4 to A1-1d1 PROD00018425 5/20/2010 EC 15657, Rev. 1: Numeric Output of All Runs PROD00018426 5/21/2010 GOTHIC Differences tables from I2-1J1 to A1-1d1 PROD00018427 5/21/2010 GOTHIC Differences tables from A1-1D1 to Model TB-base PROD00018428 5/21/2010 GOTHIC Differences tables from B1-1D1 to A1-1d1 PROD00018429 5/21/2010 GOTHIC Differences tables from c1-1D1 to A1-1d1 PROD00018430 5/21/2010 GOTHIC Differences tables from D1-1D1 to A1-1d1 PROD00018431 5/21/2010 GOTHIC Differences tables from e1-1D1 to A1-1d1 PROD00018432 5/21/2010 GOTHIC Differences tables from F1-2D4 to A1-1d1 PROD00018433 5/21/2010 GOTHIC Differences tables from G1-2D4 to A1-1d1 PROD00018434 5/21/2010 EC Number 15657, Rev. 1: Evaluation of FW and Condensate HELB Affects for Sprinkler Initiation for SDP PROD00018435 5/21/2010 Design Review Comment Form: EC 15657 / Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00018436 5/21/2010 Design Review Comment Form: EC15657 / Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00018437 5/21/2010 EC Number 15657, Rev. 1: Evaluation of FW and Condensate HELB Affects for Sprinkler Initiation for SDP PROD00018438 EC 15657, Rev. 1, Attachment 2: New FW runs PROD00018439 5/21/2010 Design Review Comment Form: EC15657 / Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP, Revision 1 PROD00018440 5/21/2010 Design Review Comment Form: EC15657 / Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP, Revision 1 PROD00018441 EC-15758, Attachment 1 PROD00018442 EC-15758, Attachment 1 PROD00018443 Bleed steam PROD00018444 3/22/2010 GOTHIC Differences tables from 0A-1D1 to 44P PROD00018445 3/9/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Final PROD00018446 3/9/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Review PROD00018447 3/9/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00018448 3/9/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP

111 Document Number Description PROD00018449 Engineering Document Signature Sheet: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00018450 Engineering Document Signature Sheet: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00018451 3/22/2010 GOTHIC Differences tables from 0A-1D1 to 44P PROD00018452 EC15758, Attachment 3 Spreadsheet PROD00018453 EC15758, Attachment 3 Spreadsheet PROD00018454 3/22/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 1 Final PROD00018455 3/22/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 1 PROD00018456 3/22/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 1 PROD00018457 EC15758 - BL Evaluation, Revision 1: Numbers PROD00018458 3/22/2010 Design Review Comment Form: EC15758: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00018459 3/22/2010 Design Review Comment Form: EC15758 "Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP," Revision 1 PROD00018460 3/22/2010 Design Review Comment Form: EC15758 "Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP," Revision 1, Signed PROD00018461 3/22/2010 Engineering Document Signature Sheet: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 1 PROD00018462 Engineering Document Signature Sheet: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 1 PROD00018463 3/22/2010 Engineering Document Signature Sheet: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 1, Signed PROD00018464 6/3/2010 PINGP Calculation re evaluation of bleed steam break peak temperature for helb-flood sdp PROD00018465 6/3/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 2 PROD00018466 6/3/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 2 PROD00018467 6/3/2010 PINGP Engineering Evaluation: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP, Revision 2 PROD00018468 3/22/2010 Design Review Comment Form: EC 15758 "Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP," Revision 1 PROD00018469 EC-15758, Attachment 1, Revision 2

112 Document Number Description PROD00018470 EC15758, Attachment 3, Revision 2 PROD00018471 Spreadsheet on EC15768, Attachment 5, Revision 2 PROD00018472 6/3/2010 File Comparison 0073MS2D4-W to EC15758, Attachment 2, Revision 2 PROD00018473 Spreadsheet on EC15758, Attachment 3, Revision 2 PROD00018474 Spreadsheet on EC15758, Attachment 3, Revision 2 PROD00018475 6/3/2010 File Comparison EC15758R, Attachment 4, Revision 2 PROD00018476 Spreadsheet on EC15768, Attachment 5, Revision 2 PROD00018477 Spreadsheet related to EC15766 - Attachment 5 PROD00018478 3/12/2010 - Engineering Document Signature Sheet (Multiple Documents) related to EC15758 PROD00018479 Photo Related to CC/HELB White Finding PROD00018480 Graphs & Spreadsheet related to EC15827 - Attachment 1 PROD00018481 Graphs & Spreadsheet related to EC15827 - Attachment 2 PROD00018482 Untitled Report related to Flows from the Fire Protection System as a Result of HELB Events PROD00018483 4/13/2010 - Design Review Comment Form - EC16000 / Eval of Flooding Times and Flow Rates Prior to April 2009 with Doors 47 and 419 Open PROD00018484 Graphs & Spreadsheet related to EC16000 - Unit 2 - Attachment 2 PROD00018485 Graphs & Spreadsheet related to EC16000 - Unit 2 - Attachment 2 PROD00018486 4/13/2010 - File Comparison Indicating Differences related to EC16000 PROD00018487 4/13/2010 - File Comparison Indicating Differences related to EC16000 PROD00018488 4/13/2010 - File Comparison Indicating Differences related to EC16000 PROD00018489 4/13/2010 - File Comparison Indicating Differences related to EC16000 PROD00018490 4/13/2010 - EC16000 Report - Evaluation of Flooding Times and Flow Rates Prior to April 2009 with Doors 47 and 419 Open PROD00018491 4/13/2010 - Design Review Comment Form - EC16000 / Eval of Flooding Times and Flow Rates Prior to April 2009 with Doors 47 and 419 Open PROD00018492 Graphs & Spreadsheet related to EC16000 - Unit 1 Door Open - Attachment 1 PROD00018493 Graphs & Spreadsheet related to EC16000 PROD00018494 3/13/2010 - EC16001 - Evaluation of HELB Effects From Heater Drain piping for Significance Determination -

Includes Handwritten Notes PROD00018495 Spreadsheet related to EC16001 - Attachment 1 PROD00018496 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018497 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018498 Chart related to EC16001 - Attachment 2 PROD00018499 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018500 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018501 4/13/2010 - File Comparison Indicating Differences related to EC16001

113 Document Number Description PROD00018502 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018503 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018504 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018505 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018506 4/13/2010 - File Comparison Indicating Differences related to EC16001 PROD00018507 4/20/2010 Design Review Comment Form re EC16001 / Evaluation of HELB Effects from Heater Drain Piping for Significance Determination PROD00018508 Calculation ENG-ME-732 - Attachment 1 - Turbine Building HELB / Flooding Interactions PROD00018509 3/13/2010 - EC16001 - Evaluation of HELB Effects From Heater Drain Piping For Significance Determination PROD00018510 4/20/2010 - Design Review Comment Form - EC16001 / Evaluation of HELB Effects from Heater Drain Piping for Significance Determination PROD00018511 4/16/2010 - File Comparison Indicating Differences related to EC16007 PROD00018512 4/16/2010 - File Comparison Indicating Differences related to EC16007 PROD00018513 4/16/2010 - File Comparison Indicating Differences related to EC16007 PROD00018514 4/16/2010 - File Comparison Indicating Differences related to EC16007 PROD00018515 Graphs & Spreadsheet related to EC16007 - Attachment 5 PROD00018516 Graphs & Spreadsheet related to EC16007 - Attachment 6 PROD00018517 Graphs & Spreadsheet related to EC16007 - Attachment 6 PROD00018518 Graphs & Spreadsheet related to EC16007 - Attachment 6 PROD00018519 4/17/2010 PINGP re evaluation of turbine building flooding results to support nrc ler PROD00018520 4/17/2010 - PINGP Engineering Evaluation - EC16007 - Evaluation of Turbine Building Flooding Results to Support NRC LER PROD00018521 4/17/2010 - PINGP Engineering Evaluation - EC16007 - Evaluation of Turbine Building Flooding Results to Support NRC LER PROD00018522 4/14/2010 - PINGP Turbine Building Flooding Analysis Model (U2)

PROD00018523 4/14/2010 - PINGP Turbine Building Flooding Analysis Model (U2)

PROD00018524 4/14/2010 - PINGP Turbine Building Flooding Analysis Model (U2)

PROD00018525 4/14/2010 - PINGP Turbine Building Flooding Analysis Model (U2)

PROD00018526 4/15/2010 - File Comparison Indicating Differences related to EC16007 PROD00018527 4/15/2010 - File Comparison Indicating Differences related to EC16007 PROD00018528 4/15/2010 PINGP Calculation re evaluation of turbine building flooding results using inputs run on the simulator PROD00018529 Graphs & Spreadsheet - potter - Attachment 5 - U1-output - Attachment 2 PROD00018530 4/15/2010 - List related to EC16007 PROD00018531 4/15/2010 - List related to EC16007 PROD00018532 4/20/2010 - Design Review Comment Form - EC16007 / Evaluation of Turbine Building Flooding Results to Support NRC LER

114 Document Number Description PROD00018533 4/16/2010 - List related to EC16007 PROD00018534 4/16/2010 - List Related to EC16007 PROD00018535 Spreadsheet - Control Volumes, Laminar Leakage, Turbulent Leakage, Fluid Boundary Conditions, et al PROD00018536 Spreadsheet - Control Volumes, Laminar Leakage, Turbulent Leakage, Fluid Boundary Conditions, et al PROD00018537 4/16/2010 List related to EC16007 PROD00018538 4/16/2010 - List related to EC16007 PROD00018539 Spreadsheet - Control Volumes, Laminar Leakage, Turbulent Leakage, Fluid Boundary Conditions, et al PROD00018540 Spreadsheet - Control Volumes, Laminar Leakage, Turbulent Leakage, Fluid Boundary Conditions, et al PROD00018541 4/20/2010 - Design Review Comment Form - EC16032 / Internal Flood Evaluation for 4/18/2010 Screen Door Closing Event PROD00018542 Report & Graph - EC16032 - Internal Flood Evaluation For 4/18/2010 Screen Door Closing Event PROD00018543 4/20/2010 - Design Review Comment Form - EC16032 / Internal Flood Evaluation for 4/18/2010 Screen Door Closing Event PROD00018544 4/20/2010 - EC16032 - Internal Flood Evaluation For 4/18/2010 Screen Door Closing Event PROD00018545 Graph & Spreadsheet - EC16032 - Run 31aLER Water Treatment PROD00018546 4/20/2010 Design Review Comment Form - EC16032 / Internal Flood Evaluation for 04/18/2010 Screen Door Closing Event PROD00018547 Graphs - Run 31a LER 04182010 - Water Treatment Area (D1/D2 Flood Wall Limit) & Run 31a LER 04182010 -

Battery Room PROD00018548 5/12/2010 Design Review Comment Form - EC-16153 / 30,000 GPM Flooding Eval in Pre-April 2009 Config for SDP PROD00018549 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018550 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018551 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018552 Spreadsheet - EC16269 - Attachment 12 - Pages 1-30 of 30 PROD00018553 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018554 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018555 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018556 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018557 Spreadsheet - EC16269 - Pages 1-26 of 26 PROD00018558 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018559 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018560 6/1/2010 - File Comparison indicating Differences related to EC16269 PROD00018561 Spreadsheet - EC16269 - Attachment 12 PROD00018562 Spreadsheet - EC 16269 - Attachment 6 - Pages 1-63 of 1584 PROD00018563 6/3/2010 Design Review Comment Form-Temperatures of Habitability Times Alter Breaks for HELB-Flood

115 Document Number Description PROD00018564 6/2/2010 PING Engineering Evaluation Determination of Temps and Habitability Times After MS Breaks For HELB-Flood SDP PROD00018565 6/2/2010 PING Engineering Evaluation Determination of Temps and Habitability Times After MS Breaks For HELB-Flood SDP PROD00018566 Chart regarding Variables and Habitability and Max Temp PROD00018567 Chart regarding Variables and Habitability and Max Temp PROD00018568 6/2/2010 PING Engineering Evaluation Determination of Temps and Habitability Times After MS Breaks For HELB-Flood SDP PROD00018569 6/2/2010 PING Engineering Evaluation Determination of Temps and Habitability Times After MS Breaks For HELB-Flood SDP PROD00018570 5/31/2010 Chart retarding HELB Breaks PROD00018571 5/3/2010 HELB Breaks Chart PROD00018572 5/31/2010 HELB Break Chart PROD00018573 5/31/2010 chart regarding temperature, habitability GOTHIC PROD00018574 5/31/2010 chart regarding temperature, habitability GOTHIC PROD00018575 5/31/2010 chart regarding temperature, habitability GOTHIC PROD00018576 5/31/2010 chart regarding temperature, habitability, HELB, GOTHIC PROD00018577 5/31/2010 chart regarding temperature, habitability, HELB, GOTHIC PROD00018578 5/31/2010 chart regarding temperature, habitability, HELB, GOTHIC PROD00018579 5/31/2010 chart regarding temperature, habitability, HELB, GOTHIC PROD00018580 5/31/2010 chart regarding temperature, habitability, HELB, GOTHIC PROD00018581 5/31/2010 chart regarding temperature, habitability, HELB, GOTHIC PROD00018582 Attachment chart regarding temperature, habitability, HELB, GOTHIC PROD00018583 Attachment chart regarding temperature, habitability, HELB, GOTHIC PROD00018584 5/31/2010 PING Engineering Evaluation Determination of Temps and Habitability Times After MS Breaks For HELB-Flood SDP PROD00018585 6/2/2010 Screening of Pipe Whip Interactions for SDP PROD00018586 6/2/2010 Screening of Pipe Whip Interactions for SDP PROD00018587 6/2/2010 Screening of Pipe Whip Interactions for SDP PROD00018588 6/2/2010 Screening of Pipe Whip Interactions for SDP PROD00018589 Saturated H2O Properties chart PROD00018590 6/2/2010 Screening of Pipe Whip Interactions for SDP PROD00018591 Saturated H2O Properties Chart PROD00018592 6/2/2010 Design Review Comment Form Screening of Pipe Whip Interactions for SDP PROD00018593 Turbine Building/ HELB Flooding Interactions Chart PROD00018594 2010 Screening of Pipe Whip Interactions for SDP

116 Document Number Description PROD00018595 6/2/2010 Gothic file comparison PROD00018596 6/2/2010 Gothic file comparison PROD00018597 6/2/2010 Gothic file comparison PROD00018598 6/2/2010 Gothic file comparison PROD00018599 6/2/2010 Gothic file comparison PROD00018600 6/2/2010 Gothic file comparison PROD00018601 Run 25K U1 Save TDAFP-Battery Room PROD00018602 Unit 2 26274 TADFW survive Battery Room/ Auxiliary Feedwater Pump Room/

PROD00018603 6/2/2010 GPM Flooding Evaluation in Pre-April 2009 Configuration for SDP PROD00018604 6/2/2010 Design Review Comment Form GPM Flooding Eval in Pre-April 2009 Configuration for SDP PROD00018605 2/17/2009 Evaluation of Flooding Times and Flow Rates Associated with Unit 1 and Unit 2 TB for Significance Determination PROD00018606 U2 Turbine Building map PROD00018607 5/17/2010 email from R. Rohrer to B. Slack regarding PINGP Turbine Flooding Performance Deficiency PROD00018608 4/28/2010 Impact of Turbine Building Internal Flooding on Safety-Related Equipment PROD00018609 HELB/ Flooding SDP-results document PROD00018610 temps and habitability measurement chart PROD00018611 Reactor Building Diagram PROD00018612 Reactor Building Diagram PROD00018613 Turbine Building Steam Exclusion Area-A Train PROD00018614 1/15/2010 Calculation Signature Sheet - Determination of HELB/ Flooding Interactions in the turbine building PROD00018615 4/1/2010 Calculation Signature Sheet regarding Turbine building Gothic Model for HELB PROD00018616 3/2/2010 Calculation Signature Sheet - Determination of Habitability Time in Turbine Building after HELB Scenarios that cause Flooding PROD00018617 Turbine Building Floor Plan PROD00018618 2/8/2010 data of door measurements chart PROD00018619 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018620 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018621 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018622 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018623 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018624 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018625 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018626 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018627 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018628 2/16/2010 chart regarding model for flooding pre-April Gothic

117 Document Number Description PROD00018629 Run 44 Battery Room / Run 44 Auxiliary Feedwater Pump Room PROD00018630 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018631 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018632 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018633 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018634 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018635 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018636 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018637 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018638 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018639 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018640 Run 44 Battery Room / Run 44 Auxiliary Feedwater Pump Room PROD00018641 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018642 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018643 Volume Descriptions from ENG-ME-759 Gothic Volume Number and Physical Description PROD00018644 Run 4b Battery Room / Run 4b Auxiliary Feedwater Pump Room PROD00018645 Run 33a-Battery Room / Run 33a Auxiliary Feedwater Pump Room, Run 35, 32, etc.

PROD00018646 Run 32b-Battery Room / Auxiliary Feedwater Pump Room, 33, etc.

PROD00018647 2/15/2010 chart regarding model for flooding pre-April Gothic PROD00018648 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018649 2/16/2010 chart regarding model for flooding pre-April Gothic PROD00018650 Pressure/ Distance from Crack graph and chart PROD00018651 Distance from Crack graph and chart PROD00018652 Distance from Crack graph and major axis minor axis chart PROD00018653 Floor Water Level graph and chart PROD00018654 Temperature/ Degree chart/ Saturated H2O Properties PROD00018655 Floor Water Level Graph PROD00018656 Floor Water Level Graph PROD00018657 Floor Water Level Graph PROD00018658 3/12/2009 Prairie Island Turbine Building 695 Elevation HELB Temperature & Relative Humidity Sensitivity Study PROD00018659 Turbine Building Blow-in / Blow out Girt Panels & Galvanized Siding Blow-out Panels PROD00018660 Review of AES Turbine Building HELB Calculations PROD00018661 Review of AES Turbine Building HELB Calculations PROD00018662 numerical chart PROD00018663 numerical chart

118 Document Number Description PROD00018664 Errors identified in 800 calculation, for inclusion in next revision; questions/ comments; PROD00018665 Thermal Conductor Thickness Sensitivity in GOTHIC PROD00018666 1970 - Turbine Room - Blow-In and Blow Out Panels Auxiliary Building File No. 9 PROD00018667 Turbine Building Metal Surface spreadsheet PROD00018668 4/25/2008 PI Employee Recognition Luncheon invitation for safety excellence PROD00018669 5/7/2008 Design Description Form Install Permanent Equipment to Supply safeguards to Unit 1 DC System PROD00018670 6/10/2008 Turbine Building HELB Analysis Request for Phased Approval PROD00018671 5/21/08 Success Criteria Document Needs/Decisions from PI - Incomplete 5/21/2008 Success Criteria Document Needs/Decisions from PI - Incomplete 5/21/08 - Success Criteria Document Needs/Decisions from PI - Incomplete PROD00018672 6/2-3-08 PI PRA Upgrade/Update Project 6/2-3-08 PI PRA Upgrade/Update Project 6/2-3-08 PI PRA Upgrade/Update Project 6/2-3/2008 PI PRA Upgrade/Update Project 6/2-3-08 PI PRA Upgrade/Update Project PROD00018673 7/21/2008 Design Description Form - Install Permanent Equipment to Unit 1 (safeguards for the DC System)

PROD00018674 Design input checklist Part A - Engineering Programs and Departmental Reviews PROD00018675 Design input checklist Part B - Design Considerations, Requirements and Standards PROD00018676 Supplemental information for a meeting regarding a discussion of SI pump seal failure criteria PROD00018677 Design Description Form for Fire Protection Modification Fire Detection Zones D1& Aux Feed Room PROD00018678 11/12/2008 Letter from MPR Associates to B. Slack - Proposal the transient hydraulic analysis of safety systems and PINGP PROD00018679 11/12/2008 Letter to B Slack from Automated Engineering Services Corp. Proposal to provide engineering services for the analysis of the RHR and SI pump discharge piping to support PINGP PROD00018680 HELB line identifications w/drawings PROD00018681 M. Wadley draft letter to the NRC - 90 day 2R25 Post-Outage Report...Managing Gas Accumulation in Emergency Core Cooling, Decay Heat Removal, and Containment Spray Systems PROD00018682 Enclosure to the M. Wadley draft letter identifying corrective actions taken PROD00018683 2/9/2009 Project Review Group Meeting. discussing funding for HELB, to duplicate design changes made on Unit #2 installation in 2008 that were not included in the Unit #1 installation PROD00018684 3/6/2009 - Design description form, to replace auxiliary building ZE piping, FCU Coils, & MS FCUs, to restore cooling system capacity PROD00018685 3/24/2009 Memo from S. Northard to D. Malek to communicate the status of the turbine building HELB/CC piping to station management PROD00018686 Ad Hoc PRG meeting re: refueling cavity leakage Unit 1 PROD00018687 Ad Hoc PRG meeting re: refueling cavity leakage Unit 1

119 Document Number Description PROD00018688 chemistry lab component cooling system study July 2009 completed by Sargent & Lundy PROD00018689 cold chemistry laboratory sample cooling system design verification PROD00018690 cold chemistry lab sample cooling system modification classification 8/5/2009 PROD00018691 safety/human performance jamboree 1/31/2008 PROD00018692 2/28/2008 email from Steve Schaefer to Henry Hoelscher re: HELB analysis under Heavy Bundle PROD00018693 8/17/2007 email from Candace Sprout to Brian Slack and others re: Sargent & Lundy HELB and flood analysis activity PROD00018694 Pre-Outage Training, Revision 3, with comments PROD00018695 6/10/2008 Request for Phased Approval: Turbine Bldg HELB Analysis PROD00018696 6/3/2008 Email from S. Northard to numerous Xcel employees re Team Notes and safety issues PROD00018697 6/3/2008 Email from C. Agan to B. Slack re Steam supply to AFW turbine PROD00018698 7/31/2008 Email from S. Scott to B. Slack & S. Ford re draft OPR and pressure boundaries for the CC system PROD00018699 Operability Recommendation: re CC piping in turbine building PROD00018700 7/30/2008 Email from J. Kivi to S. Scott and others at PINGP re CC in the Turbine Building PROD00018701 Configuration Management Follow-on Item Assessment: CC Single Failure Analysis Open Issues PROD00018702 7/29/2008 Email from P. Ognenoff to B. Slack with others cc'd re TEHC Unit 2 Design Input Consultation - HELB PROD00018703 7/16/2008 Email from M. Husain at Sargent & Lundy to B. Slack with others cc'd re HELB Info for EX 12350 Permanent Battery Test Cable PROD00018704 Information for HELB Calculations in Regards to EC 12350 PROD00018705 7/16/2008 Email from T. Borgen to PINGP Business Support Organization re Human Performance Issues PROD00018706 7/15/2008 Email from A. Velaski to PINGP Engineering Department re CAP recognition PROD00018707 4/28/2006 Administrative Work Instruction: Safety Analysis Reports, Revision 13 PROD00018708 8/11/2008 Project Review Group Meeting Agenda PROD00018709 Regulatory Correspondence Review & Approval Record: LER 2-08-01, Unit 2 Unanalyzed Condition due to Both Trains Component cooling Susceptible to Turbine Building High Energy Line Break PROD00018710 9/15/2008 Email from G. Wheelock to S. Ford with others cc'd re Loss of CC affect on RCP seals PROD00018711 9/7/2008 Email from G. Locklear to B. Rice with B. Slack & R. Peterson cc'd re HELB change PROD00018712 Long term corrective actions for HELB affecting CC in the Turbine Building PROD00018713 10/23/2008 Email from M. Milad to J. Donatell with others cc'd re HELB Concerns over EC #1 & EC #2 PROD00018714 7/1981 USNRC Standard Review Plan: Radiological Consequences of a Design Basis Loss-of-Coolant Accident:

Leakage from Engineered Safety Feature Components Outside Containment PROD00018715 2/16/2006 Letter from D. Koehl with NMC to USNRC re NRC Request for Information Relating to Event Notification 42129 with enclosures

120 Document Number Description PROD00018716 10/20/2008 Email from S. Myers to P. Bent and other Excel employees cc: K. Lucken and other Excel employees re Read and sign for Procedure Use and Adherence. re to practice to ensure reliable human performance.

PROD00018717 10/20/2008 Read and Sign Training on Procedure Use and Adherence. re to practices to ensure reliable human performance. Attachment to S. Myers email.

PROD00018718 10/14/2008 Email from C.Sansome to B.Slack Re: ongoing turbine building HELB project PROD00018719 10/14/2008 Email from C.Sansome to B.Slack Re: ongoing turbine building HELB project PROD00018720 Date: Unknown. RE: Turbine Room HELB Design Description Form Author M.Milad PROD00018721 10/03/2008 Email from S.Myers to B.Slack cc S.Ford re: Need to create an HELB program document as an OEE action or as a CAP PROD00018722 10/02/2008 Email from S,Schaefer to B.Slack re: HELB M&E PROD00018723 10/02/2008 Email from S. Schaefer to B.Slack re: HELB M&E PROD00018724 11/18/2003 Letter from E.Mercier to L.Brown re: Prairie Island Turbine Building HELB Analyses PROD00018725 10/02/2008 Email from S.Schaefer to B.Slack re HELB M&E PROD00018726 10/27/1999 Report on Structural Evaluation of HELB Steam Exclusion Block Walls and Doors PROD00018727 11/13/2008 Email from J.Kivi to B.Slack re CC/HELB Issue PROD00018728 08/11/2000 letter from A.Settlur (ASE Eng) to M.Meyer RE turbine HELB analysis PROD00018729 08/11/2000 attachment to a letter from A.Settlur (ASE Eng) to M.Meyer RE turbine HELB analysis PROD00018730 11/04/2008 Email from L.Sueper to J.Anderson re: PI Component Cooling Water HELB Issue update.

PROD00018731 10/31/2008 Email from R.Whitlock to B.Slack cc S.Ford re Request for HELB input help for a fire detectors installation project in D1 and aux Feed Rooms.

PROD00018732 11/20/2008 Email from M.Thompson to B.Slask Re: HELB Impacts PROD00018733 11/18/2008 Email from J.Ritter to S.Myers and other Excel employees cc: M.Brossart and other Excel employees. Re: evaluation for the SDP for HELB PROD00018734 11/18/2008 Email from S.Myers to B.Slack Re: schedule for Aux Building HELB PROD00018735 Date unknown Re PINGP calculation reconstitution and Improvement Project PROD00018736 11/17/2006 PINGP Calculation - Determination of number of high energy pipe sections affecting turbine PROD00018737 12/02/2008 Email from K.Denherder to J.Ritter re Impact of the CC/HELB Significance Determination Process Issue PROD00018738 12/02/2008 Email from J.Ritter to K.Denherder re Impact of the CC/HELB Significance Determination Process Issue PROD00018739 Date unknown Document re large pipe breaks in high energy piping systems and Gothic 7design-basis PROD00018740 12/04/2008 Email from C.Rizzo to B.Slack and other Excel employees re processing HELB dwgs under ECs-10667 & 1068 and under approved EC 12935 PROD00018741 12/04/2008 Email from B.Slack to C.Rizzo and other Excel employees re processing HELB dwgs under ECs-10667 & 1068 and under approved EC 12935

121 Document Number Description PROD00018742 12/15/2008 Email from J.Connors to C.Sansome and other Excel employees cc: B.Slack re Aux Building HELB analysis PROD00018743 Date unknown Document re HELB analysis PROD00018744 12/15/2008 Email from J.Kivi to B.Slack cc S.Ford and other Excel employees re HELB and seismic analyses PROD00018745 01/16/2009 Letter from M.Wadley to the NRC Re a reportable postulated susceptibility to a postulated High Energy Line Break PROD00018746 12/19/2008 Email From S. Myers To S. Ford and others at Xcel Re: Question about HELB and Unit 1 CC pumps from NRC Inspector PROD00018747 03/02/2009 Letter From A. Limaye of MPR Associates Inc. To B. Slack Re: thermal hydraulic analysis of the PINGP Shutdown Cooling system PROD00018748 03/03/2009 Email From D. Seltur To K. Kriesel and others at Xcel Re: Analysis of Unit 1 piping PROD00018749 03/03/2009 Automated Engineering Services Corp. Seismic Analysis of Unit 1 PROD00018750 02/24/2009 Email From K. Kriesel To D. Setlur and others at Xcel Re: Proximity of CC piping to HELB piping for jet impingement PROD00018751 02/24/2009 DIT Re: CC piping location relative to HELB locations for evaluation of jet impingement PROD00018752 Flow Diagram Component Cooling System Unit 2 PROD00018753 01/30/2009 Email From J. Ritter To B. Horner and others at Xcel Re: Significance Determination Process for CC HELB PROD00018754 CC Piping Adjacent to HELB Location in Turbine Building PROD00018755 Cutsets with Description Report Re: Loss of Component Cooling Water Initiating Event PROD00018756 Cutsets with Descriptions Report Re: Loss of Component Cooling Water Initiating Event PROD00018757 01/29/2009 Basic Event Summary Re: HELB in Unit 1 turbine building PROD00018758 01/30/2009 Basic Event Summary Re: HELB in Unit 1 turbine building PROD00018759 01/29/2009 Basic Event Summary Re: HELB in Unit 2 turbine building PROD00018760 Analysis of RCP Seal LOCA with RHR/SI unavailable PROD00018761 09/16/2008 Alarm Response Procedure PROD00018762 02/23/2006 Alarm Response Procedure PROD00018763 02/12/2004 Abnormal Operating Procedures for Loss of RCP Seal Cooling PROD00018764 03/31/2008 Abnormal Operating Procedure for Loss of RCP Seal Injection PROD00018765 01/10/2006 Abnormal Operating Procedure for Loss of Component Cooling PROD00018766 01/11/2008 Procedure for Reactor Trip or Safety Injection PROD00018767 01/11/2008 Procedure for Loss of Reactor or Secondary Coolant PROD00018768 02/12/2007 Procedure for Core Cooling Following Loss of RHR Flow PROD00018769 02/13/2009 Email From K. Kriesel To J. Ritter and others at Xcel Re: Analysis of CC/FW/CD lines in Turbine Building PROD00018770 02/12/2009 Automated Engineering Services Corp. Analysis of CC/FW/CD Lines in Turbine Building

122 Document Number Description PROD00018771 03/06/2009 Email From D. Setlur To B. Slack, K. Kriesel Re: Jet Impingement Effects on CC Lines in the Turbine Building PROD00018772 03/06/2009 Automated Engineering Services Corp. Evaluation of the Effects of Jet Impingement on Component Cooling Piping in the Turbine Building PROD00018773 05/23/2008 Letter From MPR Associates Inc. To J. Conners Re: Operability Evaluation of Diesel Engines that Drive the Safeguards Cooling Water Pumps at PINGP PROD00018774 03/20/2009 Email From D. Aument To B. Slack K. Kriesel, D. Henry D. Setlur Re: Jet Impingement on CC lines in the Turbine Building PROD00018775 03/20/2009 Automated Engineering Services Corp. Evaluation of the Effects of Jet Impingement on Component Cooling Piping in the Turbine Building PROD00018776 03/13/2009 Evaluation of the Effects of Jet Impingement on CC Piping in the Turbine Building PROD00018777 03/20/2009 Email From D. Henry To B. Slack, D. Setlur Re: Evaluation of the Jet Impingement Loads on Component Cooling Piping PROD00018778 03/20/2009 Automated Engineering Services Corp. Evaluation of the Effects of Jet Impingements on Component Cooling Piping in the Turbine Building PROD00018779 Assessment of the Component Cooling Piping in the Turbine Building from the Effects of High Energy Line Break Events PROD00018780 Assessment of the Component Cooling Piping in the Turbine Building from the Effects of High Energy Line Break Events PROD00018781 Operability Recommendation for Unit 1 & 2, Sump B Screens PROD00018782 01/14/2009 Email From S. Myers To J. Kivi, S. Ford, B. Slack Re: ACE on the missed opportunities for identifying the CC/HELB interaction PROD00018783 Apparent Cause Evaluation for non-conformance of the component cooling water system to be seismically qualified PROD00018784 1/12/2009 email from Sean Ford to Brian Slack re: seismic events and line (HELB) breaks PROD00018785 1/12/2009 email from Kyle Kriesel to Doc Setlur re: seismic events and line (HELB) breaks PROD00018786 1/12/2009 letter to Sean Ford from Automated Engineering Services re: seismic events and line (HELB) breaks PROD00018787 5/20/2004 letter from Scientech to Paul Hinnenkamp re: seismic events and line (HELB) break analysis PROD00018788 1/6/2009 email from Candace Sprout to James Hill re: seismic events and line (HELB) break analysis PROD00018789 1/21/2009 memo/site notice re: radioactive shipments PROD00018790 12/19/2008 Request for Phased Approval (RPA) re: HELB and line strength PROD00018791 2/14/2009 email from Gary Wheelock to Brian Slack and others re: HELB and line strength PROD00018792 2/13/2009 email from Gary Wheelock to Brian Slack and others re: HELB and line strength PROD00018793 2/10/2009 email from Jayne Ritter to Scott Northard and others re: HELB and pipe breakage frequency and liner strength PROD00018794 2/3/2009 NMC Design Review Comment Form re: HELB design and installation

123 Document Number Description PROD00018795 2/4/2009 letter from Advent Engineering to Brian Slack re: HELB models for Turbine Building at Prairie Island PROD00018796 email from J. Ritter to T. Borgen, T.Strain T. Bacon, B. Slack, : comments on cc/helb HRA report 2/27/2009 PROD00018797 email from K. Vincent to T. Borgen, T.Strain T. Bacon, J. Ritter, B. Slack : Comments on cc/helb HRA report 2/27/2009 PROD00018798 PINGP CC lines in the Turbine Bldg issue PROD00018799 email: turbine building HELB/CC SDP update 3/15/2009 PROD00018800 email: turbine building HELB/CC SDP update 3/15/2009 PROD00018801 email 12-CD - 7 questions 3/24/2009 PROD00018802 email 12-CD - 7 questions 3/23/2009 PROD00018803 email from J. Ritter to K. DenHerder and B.Slack 12-CD - 7 questions 3/24/2009 PROD00018804 email 12-CD - 7 questions 3/24/2009 PROD00018805 email: Turbine Bldg flooding evaluation 3/18/2009 PROD00018806 email: Turbine Bldg flooding evaluation 3/18/2009 PROD00018807 memo on status of turbine building HELB/CC piping significant determination dated 4/10/2009 PROD00018808 email: report on interaction between high energy piping and cooling water that also affect CC dated 4/23/2009 PROD00018809 report on interaction between high energy piping and cooling water that also affect CC PROD00018810 email FP/CL Piping dated 4/21/2009 PROD00018811 email: FP/CL piping dated 4/21/2009 PROD00018812 email from R. Best to B. Slack : FP/CL piping dated 4/21/2009 PROD00018813 Memo - Communicate status of the turbine building HELB/CC piping significant determination to station mngmt 4/14/2009 PROD00018814 memo - communicate status of the turbine building HELB/CC piping significant determination process to station management 4/13/2009 PROD00018815 Input for safety determination process for unit 1 turbine building PROD00018816 email from J. Ritter to B. Slack and R. Best - jet impingement issues on CC dated 5/18/2009 PROD00018817 email: CC-HELB SDB evaluation in Turbine Building 5/15/2009 PROD00018818 4/29/09 email from E. Bird at MPR to B. Slack regarding HELB/CL interactions PROD00018819 4/15/09 PINGP Project Review Group Alignment Meeting Minutes regarding refueling cavity leakage PROD00018820 4/25/09 email from J. Ritter to B. Slack regarding HELB piping PROD00018821 4/25/09 email from J. Ritter to B. Slack regarding HELB piping PROD00018822 4/25/09 transmittal email from W. Scholberg to B. Slack regarding operability for HELB PROD00018823 Xcel Energy Recommendation for PINGP HELB/CAP PROD00018824 Xcel Energy Design Review Comment Form regarding HELB PROD00018825 Xcel Energy Operability Recommendations for PINGP regarding HELB/CAP PROD00018826 Xcel Energy Operability Recommendation for PINGP regarding HELB/CAP PROD00018827 6/26/09 email from E. Bird of MPR to B. Slack and M. Huting regarding PINGP HELB evaluation

124 Document Number Description PROD00018828 6/26/09 letter with enclosure from E. Bird of MPR to B. Slack regarding PINGP turbine building HELB analysis PROD00018829 6/25/09 email from D. Hunt to G. Pebbles at Sargent & Lundy and others at Xcel regarding HELB PROD00018830 6/25/09 email from G. Peebles at Sargent & Lundy to D. Hunt and others at Xcel regarding HELB PROD00018831 6/25/09 email from D. Hunt to C. Iasielo at Sargent & Lundy and others at Xcel regarding HELB PROD00018832 6/23/09 email from M. Huting to B. Slack and others at Xcel regarding turbine oil cooler nozzle loads PROD00018833 6/19/09 email from D. Setlur of AES Engineering to E. Bird at NPR and others at Xcel regarding turbine oil cooler nozzle loads PROD00018834 Chart and diagram attached to 6/19/09 D. Setlur of AES email regarding turbine oil cooler nozzle loads PROD00018835 Diagram attached to 6/19/09 D. Setlur of AES email regarding turbine oil cooler nozzle loads PROD00018836 Diagram attached to 6/19/09 D. Setlur of AES email regarding turbine oil cooler nozzle loads PROD00018837 Diagram attached to 6/19/09 D. Setlur of AES email regarding turbine oil cooler nozzle loads PROD00018838 Diagram attached to 6/19/09 D. Setlur of AES email regarding turbine oil cooler nozzle loads PROD00018839 Diagram attached to 6/19/09 D. Setlur of AES email regarding turbine oil cooler nozzle loads PROD00018840 6/18/09 memorandum from K. Ryan to D. Malek regarding CC piping adjacent to HELB location in the turbine building PROD00018841 6/18/09 email from T. O'Connor to T. O'Connor and others at Xcel regarding an upcoming Design Review Meeting for the Heavy Bundle Project PROD00018842 Information sheet regarding accumulator boron concentration and auxiliary feedwater system attached to 6/18/09 T. O'Connor email regarding an upcoming Design Review Meeting for the Heavy Bundle Project PROD00018843 Xcel Design Input Checklist regarding HELB and safety issues attached to 6/18/09 T. O'Connor email regarding an upcoming Design Review Meeting for the Heavy Bundle Project PROD00018844 Xcel Design Input Checklist regarding safety issues attached to 6/18/09 T. O'Connor email regarding an upcoming Design Review Meeting for the Heavy Bundle Project PROD00018845 6/17/09 email from C. Sansome to J. Ritter and B. Slack regarding cooling system crack PROD00018846 Diagram attached to6/17/09 email from C. Sansome to J. Ritter and B. Slack regarding cooling system crack PROD00018847 6/16/09 email from D. Hunt to S. Slack and others at Xcel and Sargent & Lundy regarding HELB PROD00018848 letter from A.V. Setlur of AES to B. Slack regarding cooling water safety issues PROD00018849 6/15/09 transmittal email from D. Setlur of AES to B. Slack regarding a revised jet impingement calculation of cc lines for long breaks PROD00018850 6/3/09 letter from A.V. Setlur of AES to B. Slack regarding AES's proposal to revise safety related jet impingement calculation PI-996-61-M01 of the TB CC lines for PRA HELB scenarios attached to Setlur's 6/15/09 email to Slack PROD00018851 6/8/09 email from D. hunt to K. Gadient and others at Xcel and Sargent & Lundy regarding whether to install a damper in the 15 wall air intake, which is an HELB boundary between the Turbine building and the D5 room PROD00018852 6/8/09 email from K. Gadient to J. LeClair and others at Xcel and Sargent & Lundy regarding whether to install a damper in the turbine building wall

125 Document Number Description PROD00018853 6/8/09 email from K. Gadient to J. LeClair and others at Xcel and Sargent & Lundy regarding whether to install a damper in the turbine building wall PROD00018854 6/5/09 email from J. LeClair to M. Milad at Sargent & Lundy and others at Xcel and Sargent & Lundy regarding whether to install a damper in the wall of the turbine building PROD00018855 6/5/09 email from J. LeClair to B. Slack and others at Xcel and Sargent & Lundy regarding HELB/whether to install a damper in the turbine building wall PROD00018856 6/5/09 email from J. LeClair to B. Slack regarding HELB/whether to install a damper in the turbine building wall PROD00018857 6/5/09 email from J. LeClair to D. Hunt and others at Xcel regarding HELB/whether to install a damper in the turbine building wall PROD00018858 6/3/09 email from D. Henry to B. Slack and others at Xcel regarding HELB PROD00018859 6/3/09 email from D. Henry to B. Slack and others at Xcel regarding insulation on the cooling water pipe PROD00018860 6/3/09 email from D. Setlur of ASE to B. Slack and others at Xcel regarding ASE's proposal to evaluate the CC lines for the PRA HELB scenarios PROD00018861 6/3/09 letter from A.V. Setlur of ASE to B. Slack proposing to analyze the TB CC piping for PRA HELB Scenarios longitudinal breaks in lines 20-CD-7, 16-CD-7, and 16-2CD-7 PROD00018862 6/3/09 email from J. Ritter to R. Best and others at Xcel regarding jet impingement/CC/HELB PROD00018863 6/3/09 email from R. Best to D. Malek regarding jet impingement/CC/HELB PROD00018864 6/1/09 email from C. Koehler to S. Ford and B. Slack regarding pipe design/earthquakes, LOCA, and HELB PROD00018865 6/1/09 email from K. DenHerder to B. Slack regarding CC/HELB PROD00018866 5/26/09 PINGP Screening Committee Meeting Minutes regarding Aux Building HELB and CAP investigation PROD00018867 5/29/09 email from J. Ritter to B. Slack regarding feedwater pipe breaks PROD00018868 5/29/09 email from C. Koehler to B. Slack and S. Ford regarding pipe stress in the context of earthquake/LOCA/HELB PROD00018869 07/16/2009 Email from D.Setlur to B.Slack re Proposal for HELB analysis of Unit 1 FW line from FW pumps to the 15A-B FW heaters PROD00018870 7/16/09 email from A.V. Setlur of AES to B. Slack regarding AES proposal to analyze feedwater pumps for HELB PROD00018871 6/23/09 email from S. Ford to B. Slack regarding aux building HELB analysis PROD00018872 7/22/09 email from W. Scholberg to M. Hopman and others at Xcel regarding PINGP's HELB flooding efforts PROD00018873 outline request for an update on flooding and HELB evaluation PROD00018874 7/15/09 email from D. Hunt to G. Kvamme and B. Slack regarding installation of dampers in the turbine building/HELB wall PROD00018875 6/19/09 Technical Requirements Document for PINGP regarding HELB dampers and safety issues, prepared by Sargent & Lundy PROD00018876 7/14/09 email from E. Bird of MPR to B. Slack and others at Xcel regarding HELB/feedwater line work at PINGP

126 Document Number Description PROD00018877 Diagram attached to 7/14/09 email from E. Bird of MPR to B. Slack and others at Xcel regarding HELB/feedwater line work at PROD00018878 7/13/09 email from E. Bird of MPR to B. Slack and others at Xcel regarding HELB/feedwater line work PROD00018879 Diagram attached to 7/13/09 email from E. Bird of MPR to B. Slack and others at Xcel regarding HELB/feedwater line work at PROD00018880 Chart regarding CAP PROD00018881 7/10/09 email from S. Skoyen to R. Rohrer and others at Xcel and other companies regarding CC/HELB PROD00018882 7/10/09 email from J. Nestell at MPR to B. Slack and others regarding CC/HELB work PROD00018883 7/9/09 email from A. Bierbrauer to B. Stack and A. Smith regarding TB HELB contracting expenses PROD00018884 7/9/09 email from M. Davis to DL-PI-Leadership Team and others at Xcel regarding CC HELB white finding PROD00018885 7/9/09 email from A. Bierbrauer to B. Slack and A. Smith regarding TB HELB contracting expenses PROD00018886 7/9/09 email from B. Kamowski to B. Slack regarding installation of temporary cooling in the aux building PROD00018887 7/9/09 Xcel Design Input Consultation Form by B. Kamowski regarding installation of temporary cooling in the aux building PROD00018888 Xcel Temporary Modification Control Form (PassPort Version) regarding installation of temporary cooling in the aux building PROD00018889 7/3/08 NMC Design Input Consultation Form regarding installation of temporary cooling in the aux building PROD00018890 7/9/09 email from A. Bierbrauer to S. Ford and B. Slack regarding funding for aux building HELB analysis PROD00018891 7/8/09 email from D. Potter to B. Slack regarding CC HELB contract work PROD00018892 7/8/09 email from D. Potter to R. Rohrer and B. Slack regarding obtaining a professional opinion on matters structural matters relating to the feedwater HELB PROD00018893 7/8/09 email from R. Jones to D. Potter and B. Slack regarding CC/HELB jet impingement from valve PROD00018894 7/8/09 email from D. Potter to B. Slack and R. Jones regarding CC/HELB jet impingement from valve PROD00018895 7/7/09 email from D. Potter to B. Slack regarding CC/HELB jet impingement from valve PROD00018896 7/7/09 email from D. Potter to B. Slack regarding feedwater HELB analysis PROD00018897 7/6/09 email from R. Rohrer to B. Slack regarding turbine building HELB issues PROD00018898 7/6/09 memorandum from D. Malek to K. Ryan regarding CC piping adjacent to HELB location in the turbine building PROD00018899 7/6/09 email from D. Malek to D. potter and others at Xcel regarding simulator exercise to support the CC HELB SDP PROD00018900 7/2/09 memorandum from D. Malek to K. Ryan regarding the status of the turbine building HELB/CC piping PROD00018901 7/2/09 email from R. Rohrer to D. Malek and others at Xcel regarding SERP meeting for the turbine building HELB/CC SDP PROD00018902 Memo - Status of the turbine building HELB/CC piping significant determination 6/29/2009 PROD00018903 Automated Engineering Services Corp Calculation Package on Jet Impingement Loads on CC piping in the turbine building 6/26/2009

127 Document Number Description PROD00018904 email from D. Potter and B. Slack on internal flood update - jet impingement 8/13/2009 PROD00018905 Letter from A. V. Sethur To Brian Slack re: AES proposal to perform stress and HELB analysis of the subject lines in turbine building 7/29/2009 PROD00018906 Internal flooding drainage control PROD00018907 email from K. DenHerder to B. Slack - CL System flow values - seismicity events 9/11/2009 PROD00018908 CAP Operability recommendation high energy line break in turbine building PROD00018909 operability recommendation on high energy line break in turbine building PROD00018910 email from W. Scholberg to B. Slack on evaluation - feedwater condensate system high energy line break in turbine building 9/9/2009 PROD00018911 evaluation - feedwater condensate system high energy line break in turbine building 4/20/2009 PROD00018912 Operability recommendation - high energy line break in the turbine building PROD00018913 Turbine building flooding plan PROD00018914 PI Turbine Building Flooding PROD00018915 8/26/2009 Auxiliary building HELB Surface areas and flow paths calculation PROD00018916 PI Turbine Building Flooding Plan PROD00018917 10/24/2009 email from S. Myers to B. Slack, D. Potter re peer check on HELB figures PROD00018918 10/24/2009 email from S. Myers to others at Xcel re HELB licensing conditions PROD00018919 Draft for HELB CAPs after NRC white finding PROD00018920 Analysis of HELB caused flooding PROD00018921 CC/HELB concerns list PROD00018922 Draft for HELB in turbine building CAPs PROD00018923 10/12/2009 email from J. Kempkes to B. Slack and others at Xcel re better solution for HELB flooding door issue PROD00018924 10/9/2009 email from J. Rayne to D. Potter, B. Slack, R. Rohrer re CC/HELB timing analysis PROD00018925 10/6/2009 email from D. Potter to B. Slack re CC/HELB timing calculation PROD00018926 10/9/2009 email from D. Potter to J. Ritter and others at Xcel re CC/HELB timing calculation PROD00018927 10/8/2009 email from J. Connors to B. Slack re HELB reconstituting proposal PROD00018928 Operability Recommendation on rollup doors during HELB flooding PROD00018929 Operability Report Notes re Rollup doors and HELB flooding PROD00018930 4/20/2009 Limiting time for operator action to mitigate flooding effects from a HELB in Unit 1 PROD00018931 9/30/2009 Unit 2 reactor building drawing PROD00018932 9/30/2009 Unit 2 Reactor Building drawing PROD00018933 9/30/2009 Unit 2 Reactor Building Drawing PROD00018934 9/30/2009 Unit 2 Reactor Building Drawing PROD00018935 11/20/2009 email from J. Hill to B. Slack re HELB work and analysis PROD00018936 11/20/2009 email from J. Hill to B. Slack and others at Xcel re HELB work and analysis PROD00018937 11/20/2009 email from J. Hill to B. Slack, S. Ford, C. Sprout re HELB work and analysis

128 Document Number Description PROD00018938 10/19/2009 email from D. Potter to B. Slack, R. LaLone re CC/HELB pump calculations PROD00018939 9/22/2008 PINGP Evaluation of HELB and Flooding Analysis PROD00018940 11/14/2009 Apparent Cause Evaluation re HELB time critical operator actions PROD00018941 Turbine building HELB/Flooding Interactions spreadsheet PROD00018942 11/16/20009 Email from J. Ritter to T. Johansen and Design Engineering re: simulator run for potential cooling water flow and pressure issues PROD00018943 11/15/2009 Email from H. Hoelscher to B. Slack re: revise corrective action program actions for cooling water-high energy line break interaction and FBN condition PROD00018944 11/13/2009 Email from D. Potter to B. Slack re: analysis of cooling water interaction with events.

PROD00018945 Spreadsheet re: high energy line break and flooding interaction PROD00018946 11/10/2009 Email from R. MilesBoysen to *DL-PI-Engineering Design - All re: analysis of tornados on component cooling system PROD00018947 Evaluation of tornados on component cooling system.

PROD00018948 11/10/2009 Email from K. DenHerder to B. Slack and others from Xcel re: analysis of cooling water system-high energy line break interaction and loss of off-site power PROD00018949 Prairie Island Updated Safety Analysis Report PROD00018950 11/10/2009 Email from K. DenHerder to B. Slack and others at Xcel re: analysis of cooling water system-high energy line break interaction and loss of off-site power PROD00018951 11/10/2009 Email from D. Potter to B. Slack and R. Rohrer re: analysis of high energy line break flooding PROD00018952 11/5/2009 Email from J. Ritter to D. Potter and others at Xcel re: dry-run on simulator of high energy line break flooding PROD00018953 11/6/2009 Email from J. Hill to B. Slack re: evaluation of corrective action program actions identified as related to new high energy line break locations PROD00018954 11/6/2009 Email from J. Hill to S. Ford and others at Xcel re: new corrective action program action for high energy line break from feed water line break.

PROD00018955 11/06/2009 Email from S. Ford to J. Hill and others at Xcel re: corrective action program action from evaluation of new high energy line break crack locations PROD00018956 Potential CL System Unanalyzed Condition During HELB PROD00018957 11/4/2009 Email from J. Ritter to D. Potter and others at Xcel re: simulator dry-run of the high energy line break flooding.

PROD00018958 List of project tasks to enhance/reconstitute the design basis for the internal flooding program PROD00018959 12/14/2009 Email from R. Rohrer to D. Kettering and others at Xcel re: analysis of high energy line break induced flooding PROD00018960 Request for phased approval Turbine Building HELB Analysis PROD00018961 12/7/2009 email from C.McEathron to Everyone Re: Unit 1 moving to Column 1 PROD00018962 7/29/2008 RCE Report Component Cooling Piping Adjacent to HELB Location in Turbine Building

129 Document Number Description PROD00018963 2/2/2010 email from N. Juraydini with Stevenson and associates to J. Hill and others at Xcel regarding HELB breaks PROD00018964 12/4/2009 Calculation Sheet Attachment A regarding feedwater discharge piping and HELB breaks PROD00018965 1/29/2010 from C. Sprout to E. Mark regarding summary for HELB break selection PROD00018966 1/29/2010 email from c. sprout to r. pearson regarding safety and seismic requirements PROD00018967 Chemical Precipitates Post-LOCA Not Significant Threat PROD00018968 1/21/2010 memorandum from E. Geiger to M. Scott regarding basis for excluding chemical-effects phenomenon from vessel downstream evaluations PROD00018969 7/1/2009 NRC group of documents regarding Amendment 192 to Facility Operating License to PINGP PROD00018970 1/29/1999 Issue Summary: Feedwater System Volumetric Flow From a Full Circumferential Break PROD00018971 5/17/2004 General Computation Sheet regarding Auxiliary Building HELB Compartment Volumes PROD00018972 Considerations for CC/HELB 95-001 inspection PROD00018973 11/6/2009 PINGP Calculation-Inputs to Turbine Building Gothic Model for HELB Analysis PROD00018974 11/06/2009 Inputs to Turbine Building Gothic Model for HELB Analysis-Calculation Signature Sheet & Design Sheet PROD00018975 11/06/2009 Inputs to Turbine Building Gothic Model for HELB Analysis - Calculation Sheet/ Design Review Checklist/ PINGP Calculation/

PROD00018976 1/4/2010 Design Input Consultation Form for Feedwater Pump Suction Furmanite PROD00018977 Temporary Modification Control Form regarding Feedwater Pump Suction Furmanite PROD00018978 50.59 Screening regarding Furmanite application of on-line leak sealant PROD00018979 5/4/2010 letter from M. Schimmel at Xcel to US NRC regarding condition due to postulated high energy line break on cooling water system; Licensee Event Report PROD00018980 5/8/2010 email from D. Setlur to R. Rohrer regarding comments on HELB Screen Document PROD00018981 HELB Evaluation Document PROD00018982 2/26/2010 email from D. Setlur to B. Slack regarding D1/D2 ventilation air intake duct PROD00018983 4/29/2010 Automated Engineering Services Corp letter from E. Halverson to B. Slack regarding a request to support D1 and D2 qualification analysis for a HELB in the Turbine Building PROD00018984 Calculation Package-Analysis of Unit 2 Feedwater Discharge Piping; HELB Analysis of CC/FW/CD/ Lines in Turbine Building PROD00018985 6/4/2010 email from M. Goggin to S. Larson regarding HELB historical basis document and flooding PROD00018986 5/21/2010 email from M. Huting to M. Schimmel regarding flooding priorities PROD00018987 5/1/2010 email from J. Kivi from B. Slack regarding HELB cooling water pumps PROD00018988 4/9/2010 email from R. Rohrer to K. Kriesel regarding random flooding pipe class PROD00018989 6/3/2010 email from S. Larson to M. Goggin regarding HELB program reconstitution NPA PROD00018990 2/2004 Safety Analysis Transition Program Engineering Report volume 1 Engineering Analysis

130 Document Number Description PROD00018991 PINGP Component Cooling Water/ Turbine Building SDP Issue Risk Significance-Summary of Xcel Energy Analysis Performed PROD00018992 5/17/2010 email from D. Malek to B. Slack regarding HELB report PROD00018993 3/8/2010 email from K. Mews to S. Myers and others at Xcel regarding CL umps at PINGP.

PROD00018994 3/38/2010 NRC Question Response Form regarding CAP 01221390.

PROD00018995 3/12/2010 email from S. Myers to M. Huting and others at Xcel regarding history of HELB flooding at PINGP.

PROD00018996 Spreadsheet with history of HELB events at PINGP.

PROD00018997 Document with Internal Flooding Timeline at PINGP.

PROD00018998 4/26/2010 email from N. Juraydini to C. Sprout regarding HELB stress requirements at PINGP.

PROD00018999 6/1/2010 email from D. Ohkawa to S. Winston regarding scenarios for HELB at PINGP.

PROD00019000 6/1/2010 email from D. Ohkawa to B. Slack regarding HELB scenarios at PINGP.

PROD00019001 Drawing of HELB at PINGP.

PROD00019002 5/25/2010 email from D. Ohkawa to B. Slack regarding HELB at PINGP.

PROD00019003 5/25/2010 letter from Xcel to C. Candee at Westinghouse requesting input confirmation for HELB analysis at PINGP PROD00019004 5/19/2010 email from D. Ohkawa to B. Slack regarding structural issue in turbine building at PINGP.

PROD00019005 6/3/2010 email from R. Pearson to B. Slack regarding HELB at PINGP.

PROD00019006 5/17/2010 email from R. Pearson to B. Slack regarding HELB past at PINGP.

PROD00019007 Document addressing HELB history at PINGP.

PROD00019008 5/17/2010 email from R. Pearson to B. Slack regarding HELB at PINGP.

PROD00019009 Document addressing Screening of Pipe Whip Interactions for SDP.

PROD00019010 6/4/2010 email from D. Potter to B. Slack regarding HELB at PINGP.

PROD00019011 6/4/2010 email from D. Potter to B. Slack regarding HELB scenarios at PINGP.

PROD00019012 6/3/2010 email from D. Potter to R. Rohrer regarding HELB response at PINGP.

PROD00019013 Design Review Comment Form regarding HELB.

PROD00019014 Screening of Pipe Whip Interactions for SDP.

PROD00019015 Metrics for Saturated H2O Properties.

PROD00019016 Screening of Pipe Whip Interactions for SDP.

PROD00019017 Metrics for Saturated H2O Properties.

PROD00019018 Screening of Pipe Whip Interactions for SDP.

PROD00019019 Screening of Pipe Whip Interactions for SDP.

PROD00019020 ENG-ME-732 / Determination of HELB / Flooding Interactions in the Turbine Building.

PROD00019021 ENG-ME-732 / Determination of HELB / Flooding Interactions in the Turbine Building.

PROD00019022 3/17/2010 Fire Protection Sprinkler Actuation Flow Rates as a Result of HELB.

PROD00019023 5/21/2010 Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP.

131 Document Number Description PROD00019024 5/21/2010 email from D. Potter to H. Hoelscher and others at Xcel regarding HELB flooding in turbine building scenarios.

PROD00019025 3/12/2010 Evaluation of FW and Condensate HELB Affects for Sprinkler Initiation for SDP.

PROD00019026 5/21/2010 Evaluation of FW and Condensate HELB Affects for Habitability Times for SDP.

PROD00019027 4/23/2010 email from D. Potter to R. Rohrer and B. Slack regarding retraction of notification of NRC of event at PINGP.

PROD00019028 4/23/2010 email from D. Potter to R. Rohrer and B. Slack regarding MDAFW at PINGP Unit 2.

PROD00019029 Schematic of building at PINGP.

PROD00019030 Schematics of buildings at PINGP.

PROD00019031 Schematic of building at PINGP.

PROD00019032 6/2/2010 email from T. Roddey to B. Slack and others at Xcel regarding HELB 95001 inspection.

PROD00019033 5/26/2010 email from T. Roddey to B. Slack regarding HELB calculations.

PROD00019034 5/7/2010 Calculation Signature Sheet regarding Turbine Building HELB output.

PROD00019035 5/7/2010 Calculation Signature Sheet regarding Turbine Building HELB output.

PROD00019036 4/7/2010 Licensing Issue Team update regarding preparation for 95001 inspection.

PROD00019037 3/26/2010 email from T. Roddey to B. Slack regarding HELB issues at PINGP.

PROD00019038 Document outlining HELB issues.

PROD00019039 Document outlining HELB issues.

PROD00019040 Spreadsheet describing HELB progress.

PROD00019041 5/27/2010 email from R. Rohrer to J. Ritter and others at Xcel regarding wording of Flooding Choice Letter (HELB).

PROD00019042 5/27/2010 letter from NRC to PINGP regarding findings of inspection.

PROD00019043 5/27/2010 email from R. Rohrer to B. Slack and others at Xcel regarding standards for language in NRC report.

PROD00019044 5/18/2010 email from R. Rohrer to B. Slack regarding PINGP turbine building flooding.

PROD00019045 4/28/2010 Impact of Turbine Building Internal Flooding document.

PROD00019046 5/18/2010 email from R. Rohrer to C. Hessen regarding internal flooding at turbine building at PINGP.

PROD00019047 5/13/2010 email from R. Rohrer to C. Hessen regarding internal flooding at turbine building at PINGP.

PROD00019048 Document detailing turbine building flooding at PINGP.

PROD00019049 5/11/2010 email from R. Rohrer to C. Hessen discussing turbine building flooding at PINGP.

PROD00019050 5/7/2010 email from R. Rohrer to C. Hessen regarding turbine building flooding at PINGP.

PROD00019051 5/5/2010 email from R. Rohrer to C. Hessen discussing turbine building flooding at PINGP.

PROD00019052 5/4/2010 email from R. Rohrer to C. Hessen discussing turbine building flooding at PINGP.

PROD00019053 5/4/2010 email from R. Rohrer to B. Slack discussing outside contractor's assessment of CL system pipe break at PINGP.

PROD00019054 Draft of document detailing significance of issues related to turbine building flooding at PINGP.

PROD00019055 Draft document discussing HELB issues at PINGP.

132 Document Number Description PROD00019056 4/23/2010 email from R. Rohrer to B. Slack and D. Potter regarding NRC report about PINGP turbine building flooding.

PROD00019057 4/23/2010 email from R. Rohrer to B. Slack and D. Potter regarding report to NRC about turbine building flooding at PINGP.

PROD00019058 4/22/2010 list of open items and their significance regarding turbine building flooding at PINGP.

PROD00019059 4/20/2010 email from R. Rohrer to Sam DiPasquale regarding CAP at PINGP.

PROD00019060 4/20/2010 email from M. Schimmel to Xcel regarding safety record of PINGP.

PROD00019061 4/12/2010 email from Mark Schimmel to Xcel regarding NRC determination at PINGP.

PROD00019062 Draft document with engineering calculations relating to turbine building flooding at PINGP.

PROD00019063 3/3/2010 email from S. Scott to Xcel engineers regarding new engineering procedures.

PROD00019064 Evaluation of assessment of PINGP safety issues.

PROD00019065 4/23/2010 email from L. Siedling to S. Ford regarding technical specifications at PINGP.

PROD00019066 Engineering calculations.

PROD00019067 4/2/2010 email from L. Seidling to B. Slack discussing engineering considerations at PINGP.

PROD00019068 3/31/2010 email from L. Seidling to B. Slack regarding RHR pits at PINGP.

PROD00019069 3/3/2010 email from L. Seidling to N. Adams and others at Xcel regarding engineering concerns at PINGP.

PROD00019070 2/24/2010 letter from MPR Associates to L. Seidling at Xcel regarding evaluation of RHR at PINGP.

PROD00019071 2R26 goals.

PROD00019072 4/29/2010 email from A. Smith to B. Slack regarding RPA for PINGP.

PROD00019073 3/4/2010 email from A. Smith to B. Slack regarding HELB issues at PINGP.

PROD00019074 3/4/2010 email from A. Smith to B. Slack regarding outstanding HELB issues.

PROD00019075 3/22/2010 email from D. Smith to B. Slack regarding HELB scenarios at PINGP.

PROD00019076 4/26/2010 email from C. Sprout to N. Juraydini regarding HELB scenarios at PINGP.

PROD00019077 4/26/2010 email from C. Sprout to N. Juraydini regarding HELB scenarios at PINGP.

PROD00019078 3/22/2010 email from C. Sprout to R. Pearson and J. Hill regarding CAP issuance.

PROD00019079 5/13/2010 email from A. Velaski to K. Stoeder and others at Xcel regarding CAP procedure.

PROD00019080 3/17/2010 email from T. Verbout to T. Vue and B. Slack regarding CAP at PINGP.

PROD00019081 05/27/10 Letter from NRC to M. Schimmel re: PINGP NRC Inspection Report w/ preliminary greater than green finding PROD00019082 Review of AES Turbine Building HELB Calculations PROD00019083 05/12/08 Email from G. Hostetter to B. Slack re: Turbine Building blowout panels & tornados.

PROD00019084 06/16/08 Email from J. Lauri to J. Nehls and others at Excel re: HELB calculations associated with the turbine building PROD00019085 HELB Calculations PROD00019086 07/11/08 Email from C. Sansome to B. Slack re: email chain about HELB and Turbine building PROD00019087 07/11/08 Email from C. Sansome to M. Milad and others at Excel re: Ventilation, HELB and Turbine Building

133 Document Number Description PROD00019088 07/11/08 Email from M. Milad to C. Sansome and others at Excel re: HELB Damper in the Turbine building PROD00019089 8/7/2008 Email from G. Hostetter with Advent Engineering to B. Slack re Control Room and HELB PROD00019090 8/6/2008 Email from G. Hostetter with Advent Engineering to B. Slack re Control Room and HELB PROD00019091 8/28/2008 Email from G. Hostetter with Advent Engineering to B. Slack re M&E Sensitivity Study PROD00019092 8/29/2008 G. Hostetter, Mass and Energy Release Impact on the GOTHIC HELB Analysis: Sensitivity Study PROD00019093 Report on Initial Relative Humidity Value Sensitivity in GOTHIC PROD00019094 10/23/2008 Email from G. Hostetter with Advent Engineering to S. Myers & B. Slack with W. Caprice cc'd re HELB Analysis PROD00019095 10/22/2008 Email from G. Hostetter with Advent Engineering to B. Slack re modeling HELB outside of containment PROD00019096 1/2008 Methods and Guidelines for PWR Modeling with GOTHIC prepared by Numerical Applications for EPRI PROD00019097 10/22/2008 Email from K. Oshanski to B. Slack with G. Hostetter cc'd re HELB calculations PROD00019098 HELB Calculations: Volume Hydraulic Diameters PROD00019099 10/7/2008 Email from G. Hostetter to B. Slack re HELB Basis PROD00019100 3/21/1973 Supplement No. 1 to Safety Evaluation by the Directorate of Licensing U.S. Atomic Energy Commission, In the Matter of NSPC, Prairie Island Units 1 & 2 PROD00019101 HELB Events Outside Containment: Loss of Offsite Power PROD00019102 5/9/2005 Email from C. Agan to S. Thomas re Plant Safe Shutdown PROD00019103 Calculation Signature Sheet: Inputs to Auxiliary Building GOTHIC Model for HELB Analysis PROD00019104 PINGP Calculation: Inputs to Auxiliary Building Gothic model for HELB Analysis, Attachment A PROD00019105 PINGP Calculation: Inputs to Auxiliary Building Gothic Model for HELB Analysis re summarization of the bases for the required GOTHIC input for the Auxiliary Building HELB PROD00019106 12/11/2000 USNRC Information Notice: Potential Loss of Redundant Safety-Related Equipment Because of the Lack of High-Energy Line Break Barriers PROD00019107 6/19/1987 USNRC Generic Letter, Relaxation in Arbitrary Intermediate Pipe Rupture Requirements PROD00019108 10/28/2008 Email from G. Hostetter to B. Slack & R. Steinman re HELB Gothic analysis - humidity PROD00019109 10/27/2008 Email from L. Wiles to B. Slack with others cc'd re HELB Gothic analysis - humidity PROD00019110 10/24/2008 Email from R. Steinman with Advent Engineering to G. Hostetter & B. Slack re HELB Relative Humidity PROD00019111 10/24/2008 Email from G. Hostetter to B. Slack & R. Steinman re HELB Relative Humidity PROD00019112 10/24/2008 Email from G. Hostetter to R. Steinman & B. Slack re HELB Relative Humidity PROD00019113 10/24/2008 Email from G. Hostetter with Advent Engineering to B. Slack & R. Steinman re HELB Relative Humidity PROD00019114 11/19/2008 Email from K. Vincent to B. Slack re HELB Habitability analysis PROD00019115 11/19/2008 Email from K. Vincent to B. Slack re HELB Habitability analysis

134 Document Number Description PROD00019116 11/15/2008 Email from J. Ritter to S. Myers and others, re CC/HELB Piping Data Request to Support BRC -

Significance Determination Process PROD00019117 10/30/2008 Design Review Comment Form: Inputs to Auxiliary Bldg GOTHIC Model for HELB Analysis PROD00019118 Design Review Checklist: Inputs to Auxiliary Building Gothic Model for HELB Analysis PROD00019119 Design Review Checklist: Auxiliary Building HELB Habitability Analysis PROD00019120 9/15/2008 Design Review Comment Form: Auxiliary Bldg HELB Habitability Analysis PROD00019121 11/24/2008 Email from J. Ritter to M. Brossart and others re CC/HELB Interaction SDP Information Request PROD00019122 12/9/2008 Email from O. Nelson to B. Slack re HELB methodology PROD00019123 Automated Engineering Services, Calculation Package: Analysis of 1" Component Cooling Lines in Turbine Building PROD00019124 8/2/1991 Unit #2: Component Cooling System Flow Diagram PROD00019125 1/10/2006 Abnormal Operating Procedure: Loss of Component Cooling PROD00019126 Unit 2 Component Cooling System Flow Diagram PROD00019127 2/11/2009 Prairie Island Turbine Building 695' Elevation HELB Temperature Sensitivity Study PROD00019128 1/2009 Draft Condition Report - AFW Thrust Loads, TR-42 Recommendation Dispo #9 PROD00019129 10/29/2008 Draft Condition Report - AFW Thrust Loads, TR-42 Recommendation Dispo #9 PROD00019130 Preliminary Evaluation: File TR-42 Recommendation #9 Eval: AF Thrust Loads Inside Containment PROD00019131 1/16/2009 Letter from M. Wadley to USNRC re LER 2-08-01, Unanalyzed Condition Due to Both Trains of Component Cooling Being Susceptible to a Postulated High Energy Line Break, Supplement 1 PROD00019132 9/3/2008 Design Input Consultation Form: EC 10348, Replace Aux Building ZE Piping, Unit Cooler Coils & MS Unit Coolers to Restore Cooling PROD00019133 Design Description Form: Replace Aux Bldg ZE Piping, Unit Cooler Coils & MS Unit Coolers to Restore Cooling PROD00019134 PINGP Calculation: Auxiliary Building Damper Leakage Analysis PROD00019135 2/6/2009 Memo from S. Northard to B. Horner re CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019136 12/23/2008 Letter from M. Wylie with Advent Engineering Services to B. Slack re Auxiliary Building GOTHIC HELB Analysis 50.59 Activities PROD00019137 12/18/2008 Email from K. Oshanski with Advent Engineering to B. Slack re Last flow path PROD00019138 12/18/2008 Email from K. Oshanski with Advent Engineering to B. Slack with G. Hostetter cc'd re last flow path PROD00019139 PINGP Calculation Draft: Center aisle input for turbine building GOTHIC analyses PROD00019140 Email from G. Hostetter with Advent Engineering to E. Halverson with B. Slack cc'd re Advent HELB work PROD00019141 3/14/2008 Letter from D. Horvath with Advent Engineering to B. Slack re GOTHIC Re-analysis of Aux Bldg HELBS PROD00019142 5/9/2008 Letter from D. Horvath with Advent Engineering to B. Slack re GOTHIC input calc for the Turb Bldg HELB Analysis

135 Document Number Description PROD00019143 9/15/2008 Letter from D. Wood with Advent Engineering to B. Slack re Revision of the GOTHIC input calculation for the turbine building safeguard aisle PROD00019144 1/13/2009 Email from J. Kivi to S. Myers & B. Slack re postulated HELB at a specific break location PROD00019145 1/9/2009 Memo from S. Northard to B. Horner re CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019146 1/18/2009 Letter from A. Setlur with Automated Engineering Services to B. Slack re Proposal to qualify cold chem lab masonry block walls for HELB and seismic loads PROD00019147 1/15/2009 Email from B. Horner to J. Ritter with L. Johnson & B. Slack cc'd re Turbine building HELB/CC SDP update PROD00019148 1/15/2009 Email from S. Myers to D. Warner with others cc'd re Component Cooling Project PROD00019149 1/15/2009 Memo from S. Northard to B. Horner re CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019150 1/15/2009 Email from K. Kriesel to B. Slack re FW & CD and CC line analyses to determine seismic levels PROD00019151 1/12/2009 Letter from A. Setlur with Automated Engineering Services to S. Ford re Seismic level evaluation of FW, CD and CC in the TB PROD00019152 3/3/2006 Letter from A. Setlur with Automated Engineering Services to M. Meyer with NMC re Proposal to provide engineering services for the CC piping project PROD00019153 1/16/2009 Memo from S. Northard to B. Horner re CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019154 1/26/2009 Email from J. Ritter to numerous PINGP employees re Turbine building HELB/CC SDP update PROD00019155 1/23/2009 Summary of conversation with Laura Kozak re SDP for the CC/HELB PROD00019156 2/11/2009 Prairie Island Turbine Building 695' Elevation HELB Temperature Sensitivity Study prepared by Advent Engineering Services PROD00019157 2/11/2009 Email from G. Hostetter to B. Slack with K. Oshanski & R. Steinman cc'd re 695 TB Sens Study Issue PROD00019158 1/26/2009 Email from C. Iasielo with Sargent & Lundy to B. Slack with M. Milad cc'd re D3 Room HELB Calculation PROD00019159 D3 Room HELB Calculation Spreadsheet PROD00019160 2/4/2009 Letter from M. Wylie with Advent Engineering Services to B. Slack re sensitivity study of the HELB temperatures on the 695' elevation of the turbine building PROD00019161 2/3/2009 Email from G. Hostetter with Advent Engineering to B. Slack re 695' level temps PROD00019162 12/29/2008 Letter from A. Setlur with Automated Engineering to S. Ford re Proposal to perform an evaluation of the vulnerability of the CC piping in the TB to HELB Events - Phase 1 PROD00019163 1/5/2009 PINGP Assessment Report on Component Cooling Piping in the Turbine Building PROD00019164 1/9/2009 Email from A. Setlur with Automated Engineering to S. Ford with others cc'd re HELB impact on CC piping in TB

136 Document Number Description PROD00019165 1/12/2009 Letter from A. Setlur with Automated Engineering to S. Ford re Seismic level evaluation of FW, CD and CC in the TB PROD00019166 1/14/2009 Email from D. Setlur to B. Slack with others cc'd re FW / CD analyses PROD00019167 1/14/2009 Email from D. Setlur to B. Slack with C. Agan cc'd re HELB impact on CC piping in TB PROD00019168 1/30/2009 Progress Report on Release 996 Analysis of CC/FW/CD Lines in Turbine Building PROD00019169 2/12/2009 Letter from A. Setlur at Automated Engineering Services to B. Slack re Proposal to perform safety related evaluation of the effects of jet impingement on CC piping in the turbine building at PINGP PROD00019170 1/15/2009 Email from C. Iasielo to B. Slack re D3 Room HELB calculation PROD00019171 1/6/2009 Email from M. Huting to D. Setlur & S. Ford with others cc'd re Assessment report on CC piping in TB from HELB events PROD00019172 1/12/2009 Memo from S. Northard to B. Horner re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019173 1/13/2009 Email from B. Horner to B. Slack re Turbine building HELB / CC SDP PROD00019174 1/13/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019175 1/14/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019176 1/15/2009 Email from B. Horner to S. Northard with others cc'd re Turbine building HELB / CC SDP PROD00019177 11/6/2008 NRC Question Response Form re CC/HELB PROD00019178 1/19/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019179 1/20/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019180 1/26/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019181 1/27/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019182 1/28/2009 Email from B. Horner to B. Slack re Cold chem lab PROD00019183 1/28/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019184 1/29/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019185 1/30/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019186 2/2/2009 Memo from B. Horner to S. Northard re CAP01145695, CC piping adjacent to HELB location in turbine building

137 Document Number Description PROD00019187 2/3/2009 Memo from S. Northard to B. Horner re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019188 2/4/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine building PROD00019189 2/5/2009 Memo from B. Horner to S. Northard re: CP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019190 2/9/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019191 2/10/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019192 2/11/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019193 2/12/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019194 2/13/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019195 2/16/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019196 2/17/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019197 2/10/2009 email from C. Iasielo to B. Slack re: D3 Room HELB Calculation PROD00019198 March 2009 Advent Engineering Services Prairie Island Project Status report PROD00019199 3/4/2009 Memo from B. Horner to S. Northard re: CAP01145695, CC piping adjacent to HELB location in turbine bldg PROD00019200 3/4/2009 email from G. Hostetter to B. Slack re: TB HELB initial temperatures PROD00019201 3/1/2009 PINGP Component Cooling Water/Turbine Building Issue Risk Significance Summary of Xcel Analysis Performed PROD00019202 2/27/2009 email from K. Kriesel to D. Setlur and B. Slack re: Proximity of CC piping to HELB piping for jet impingement PROD00019203 2/23/2009 email from R. Jones to C. Agan to B. Slack re: EPRI RI-ISI applied to BER/HELB PROD00019204 3/13/2009 Prairie Island Auxiliary Building Fire Protection Modification HELB Temperature Sensitivity Study PROD00019205 Licensing basis statements for SI and RHR requirements of dependency on CC PROD00019206 3/8/2009 Memo from D. Malek to S. Northard re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg PROD00019207 3/10/2009 Memo form D. Malek to S. Northard re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg

138 Document Number Description PROD00019208 3/9/2009 Memo from D. Malek to S. Northard re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg PROD00019209 3/10/2009 Memo from D. Malek to S. Northard re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg PROD00019210 3/11/2009 Memo from D. Malek to S. Northard re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg PROD00019211 3/12/2009 email from J. Ritter to B. Slack and R. Best re: Turbine Building HELB/CC SDP update PROD00019212 3/12/2009 email from J. Ritter to B. Slack and K. DenHerder re: Turbine building HELB/CC SDP update PROD00019213 3/12/2009 Memo from D. Malek to S. Northard re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg PROD00019214 3/12/2009 email from K. Kreisel to J. Ritter re: Turbine building HELB/CC SDP update PROD00019215 3/12/2009 Prairie Island Turbine Building 695' Elevation HELB Temperature & Relative Humidity Sensitivity Study PROD00019216 Prairie Island Turbine Building 695' Elevation HELB Temperature & Relative Humidity Sensitivity Study PROD00019217 3/12/2009 letter from Advent Engineering to B. Slack re: Advent Proposal AP-09-06: GOTHIC Modeling to Support CC System HELB Operability Determination PROD00019218 3/11/2009 email from K. Kriesel to J. Ritter and other Xcel employees re: probability of seismic event PROD00019219 3/11/2009 email from R. Best to K. Kriesel and other Xcel employees re: probability of seismic event PROD00019220 3/11/2009 email from K. Kreisel to R. Best and other Xcel employees re: probability of seismic event PROD00019221 3/10/2009 email from S. Roberto to B. Stack re: HELB sensitivity study PROD00019222 12/8/2008 Calculation Signature Sheet re: Inputs to Auxiliary Building GOTHIC Model for HELB Analysis PROD00019223 PINGP Calculation re: Inputs to Auxiliary Building Gothic Model for HELB Analysis PROD00019224 PINGP Calculation re: Inputs to Auxiliary Building Gothic Model for HELB Analysis PROD00019225 PINGP Calculation re: Inputs to Auxiliary Building GOTHIC Model for HELB Analysis PROD00019226 PINGP Calculation re: Inputs to Auxiliary Building GOTHIC Model for HELB Analysis PROD00019227 11/17/2008 PINGP Calculation re: Inputs to Auxiliary Building GOTHIC Model for HELB Analysis PROD00019228 11/17/2008 PINGP Calculation re: Auxiliary Building HELB Habitability Analysis PROD00019229 10/30/2008 NMC Document Review Comment Form re: ENG-ME-696/Inputs to Auxiliary Bldg GOTHIC Model for HELB Analysis PROD00019230 9/15/2008 NMC Design Review Comment Form re: ENG-ME-690/Auxiliary Bldg HELB Habitability Analysis PROD00019231 3/12/2009 Prairie Island Turbine Building 695' Elevation HELB Temperature & Relative Humidity Sensitivity Study PROD00019232 4/6/2009 email from J. Ritter to B. Stack re: Assessment Report on CC Piping in TB from HELB Events PROD00019233 4/6/2009 email from J. Ritter to B. Stack re: Assessment Report on CC Piping in TB from HELB Events PROD00019234 4/6/2009 email from J. Ritter to B. Stack re: Assessment Report on CC Piping in TB from HELB Events PROD00019235 50.59 Screening re: Modify Appendix R Safety Shutdown Doors with Louvers for HELB

139 Document Number Description PROD00019236 4/1/2009 letter from Advent Engineering to B. Slack re: Advent Proposal AP-09-08: Calculation of Allowable Operator Response Time Following a Feedwater HELB PROD00019237 4/1/2009 letter from Advent Engineering to B. Slack re: Advent Proposal AP-09-07: Calculation of Feedwater Line Break Mass and Energy Release PROD00019238 4/3/2009 email from G. Hostetler to S. Myers and G. Hostetler re: Humidity information for the CC HELB issue PROD00019239 Design Description Form re: Replace Aux Bldg ZE Piping, Unit Cooler Coils & MS FCUs to Restore Cooling PROD00019240 9/3/2008 Design Input Consultation Form re: High Energy Line Break re: EC 10348, Replace Aux Building ZE Piping, Unit Cooler Coils & MS Unit Coolers to Restore Cooling PROD00019241 4/1/2009 PINGP Calculation Impact Review for Engineering Change EC 10348, ZE and ZX System Changes PROD00019242 4/3/2009 PINGP Calculation Impact Review for Engineering Change EC 10348, ZE and ZX System Changes PROD00019243 4/3/2009 PINGP Calculation Impact Review for Engineering Change EC 10348, ZE and ZX System Changes PROD00019244 4/3/2009 PINGP Calculation Impact Review for Engineering Change EC 10348, ZE and ZX System Changes PROD00019245 4/3/2009 PINGP Calculation Impact Review for Engineering Change EC 10348, ZE and ZX System Changes PROD00019246 4/17/2009 Draft Plan to Incorporate CL-HELB into CC-HELB SDP Evaluation PROD00019247 4/19/2009 Memo from D. Malek to K. Ryan re: CAP01145695, CC Piping adjacent to HELB Location in turbine bldg PROD00019248 4/19/2009 email from R. Best to W. Scholberg re: Draft calc. for AFW room PROD00019249 4/20/2009 PINGP Evaluation re: Limiting Time for Operator Action to Mitigate Flooding Effects from a Postulated Feedwater Condensate System High Energy Line Break PROD00019250 Final Draft PINGP Calculation re: Center Aisle Input for Turbine Building Gothic Analyses PROD00019251 4/15/2009 email R. Cox to R. Best re: Today's CAP on 12-MS-35 line and CC HELB SDP issue response PROD00019252 4/14/2009 email from G. Hostetler to B. Slack re: 2009/2010 budget and HELB related emergent issues PROD00019253 5/26/2009 email from G. Adams to B. Slack re: HELB Program Changes wrt Heavy Bundle EC 13179 PROD00019254 5/26/2009 email from W. Scholberg to D. Potter re: Flooding Calculation Inputs PROD00019255 5/26/2009 email from E. Bird to B. Slack re: Condensate Line HELB PROD00019256 5/19/2009 email from R. Best to M. Hopman and D. Malek re: MPR question re: HELB events PROD00019257 5/17/2009 email from R. Best to G. Salamon and other Xcel employees re: Proposed "position statements" for boundaries on the CC-HELB SDP evaluation PROD00019258 5/15/2009 email from R. Best to B. Slack and other Xcel employees re: CC-HELB Team meeting summary PROD00019259 5/15/2009 CC-HELB Team Meeting Summary PROD00019260 5/16/2009 email from J. Ritter to R. Best re: Summary of 5/15/2009 CC-HELB team meeting PROD00019261 5/15/2009 CC-HELB Team Meeting Summary PROD00019262 5/17/2009 email from R. Best to J. Ritter re: Summary of 5/15/2009 CC-HELB team meeting PROD00019263 5/16/2009 email from R. Best to S. Northard and other Xcel employees re: Proposed "position statements" for boundaries on the CC-HELB SDP evaluation PROD00019264 Proposed Xcel Position Statements Relative to the CC-HELB SDP Evaluation

140 Document Number Description PROD00019265 5/17/2009 email from G. Salamon to S. Northard re: Proposed "position statements" for boundaries on the CC-HELB SDP evaluation PROD00019266 5/13/2009 email from M. Oghbaci to G. Geany re: Feedwater HELB PROD00019267 5/13/2009 email from M. Oghbaci to G. Geaney re: info needed for analysis re: HELB PROD00019268 Diagram of Interaction between HELB and CL PROD00019269 Report by MPR Associates re: Potential Flooding Scenarios PROD00019270 8/29/2002 memorandum from L. Marsh to J. Grobe re: Response to Task Interface Agreement (TIA 2001-02) and Task Interface Agreement (TIA 2001-04) Regarding Evaluation of Service Water System Design Basis Requirements at Prairie Island (TAC Nos. MB1402, MB1403, MB1855, and MB1856) & re: PINGP seismic qualification PROD00019271 5/13/2009 email from J. Ritter to B. Slack re: 12-MS-35 Exclusion Communication with NRC PROD00019272 5/14/2009 email from R. Best to J. Ritter and B. Slack re: 12-MS-35 Exclusion Communication with NRC PROD00019273 5/13/2009 email from W. Scholberg to S. Myers and other Xcel employees re: 1067-0907-01 Draft.doc re:

flooding evaluation PROD00019274 5/7/2009 Independent Review of Evaluation for Operator Response Times for Turbine Building Internal Flooding

- PINGP PROD00019275 Advent Engineering Services Prairie Island Schedule & Budget Status PROD00019276 5/13/2009 letter from Advent Engineering to B. Slack re: Advent Proposal AP-09-13: GOTHIC Re-Analysis of the Auxiliary Building HELB with Updated Mass and Energy PROD00019277 5/11/2009 email from E. Bird to M. Huting re: Feedwater HELB PROD00019278 5/7/2009 email from M. Huting to M. Reddemann and other Xcel employees re: Direction of CCHELB PROD00019279 PowerPoint re: Prairie Island CCHELB/Flooding Program Direction PROD00019280 5/7/2009 email from D. Potter to B. Slack re: Jet impingement for subcooled systems PROD00019281 5/7/2009 email from E. Bird to M. Huting re: Prairie Island HELB PROD00019282 5/1/2009 email from M. Huting to B. Slack and other Xcel employees re: Independent review of HELB work PROD00019283 5/1/2009 email from M. Oghbaei to B. Slack re: HELB/CL interactions PROD00019284 Diagram of Interaction between HELB and CL PROD00019285 5/5/2009 email from G. Hostetter to B. Slack re: AB HELB Model PROD00019286 4/23/2009 email from D. Malek to C. Lethago re: Fire Protection and CC-HELB PROD00019287 4/22/2009 email from D. Malek to M. Halverson re: 725' elevation temperatures during HELB PROD00019288 Graphs and data re: GOTHIC Case c050039 - 3A Compartment Temperature Profile of HELB PROD00019289 6/18/2009 Design Review Comment Form of ENG-ME-708 / Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00019290 6/18/2009 PINGP Calculation re: Center Aisle Input for Turbine Building Gothic Analyses PROD00019291 Calculation Signature Sheet re: Inputs to Turbine Building GOTHIC Model for HELB Analysis

141 Document Number Description PROD00019292 Document re: For the flooding scenario postulated for the SDP, provide available flow rates from the postulated breaks from the Cooling Water and the actuation of the Fire Protection systems PROD00019293 6/15/2009 email from D. Malek to B. Slack re: NRC Call - CC/HELB - 6/10/2009 PROD00019294 6/10/2009 Summary of Discussion with NRC re: Discuss the information that was submitted to the NRC on 6/5/2009 for the PINGP CC-HELB SDP PROD00019295 6/12/2009 letter from Advent Engineering to D. Potter re: Transmittal of Partially Design Verified Draft of ENG-ME-708 with attachment re: Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00019296 6/2/2009 letter from MPR Associates to B. Slack re: PINGP HELB Analysis PROD00019297 6/2/2009 email from D. Henry to B. Slack re: Cases for Jet Impingement Analysis of Cooling Water Lines PROD00019298 6/2/2009 email from R. Rohrer to D. Malek and other Xcel employees re: Summary of Kickoff Meeting for SERP Input PROD00019299 6/2/2009 email from J. Ritter to D. Henry and B. Slack re: Cases for Jet Impingement Analysis of Cooling Water Lines PROD00019300 6/3/2009 email from J. Ritter to D. Potter and other Xcel employees re: Summary Table of CC/HELB Interactions with CL Piping PROD00019301 Report on interactions between high energy piping and cooling water (CL) that also affect component cooling (CC)

PROD00019302 Report re: HELB Piping, CL Line Interaction, Jet Impingement Damage and Pipe Whip Damage PROD00019303 6/3/2009 email from R. Best to J. Ritter and other Xcel employees re: Another thought on Jet Impingement PROD00019304 6/2/2009 email from G. Hostetter to B. Slack re: TB HELB PROD00019305 6/1/2009 TB Base Model RUN calculations PROD00019306 5/28/2009 MPR Calculation Title Page re: Prairie Island HELB Evaluation re: Calculation of Whipping High Energy Line Impact Velocity and Kinetic Energy for the Condensate Line Interaction with Cooling Line PROD00019307 PINGP Calculation re Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00019308 07/07/2009 email from C. Agan to B. Slack and R. Rohrer re DRAFT HELB Question Response PROD00019309 10/16/2009 Action Request Report re Potential Concern raised for a HELB in Turbine Building PROD00019310 10/19/2009 Action Request Report re Potential Concern raised related to a HELB in the Turb Bldg PROD00019311 10/20/2009 Document - Inputs to Turbine Building Gothic Model for HELB Analysis PROD00019312 10/20/2009 Document - Inputs to Turbine Building Gothic Model for HELB Analysis PROD00019313 10/05/2009 Design Review Comment Form - High Energy-line-break Selection PROD00019314 10/05/2009 Calculation Signature Sheet - High Energy-line-break Selection PROD00019315 10/11/2009 Document - Center Aisle Input for Turbine Building GOTHIC Analyses (HELB)

PROD00019316 10/11/2009 Document - Gothic Analyses Calculation Signature Sheet - Author - K.Oshanski PROD00019317 Date Unknown - Author G.Hostetter - Document - Design Review Checklist for Turbine Building Gothic Analyses

142 Document Number Description PROD00019318 10/09/2009 Email from G.Hostetter to B.Slack and J.Bayer re Issues related the problems with S&L's HELB analysis PROD00019319 09/30/1999 M.Meyer memo re Issues related to the problems with S&L's HELB analysis PROD00019320 Date unknown Author unknown Design Review Checklist form - High Energy Line Breaks - Break Location Selection / Rev / 2 PROD00019321 Calculation Signature Sheet - High Energy Line Breaks - Break Location Selection PROD00019322 09/01/2009 PINGP Calculation Report - High Energy Line Break Location Selection PROD00019323 10/05/2009 Design Review Comment form - High Energy Line Breaks - Break Location Selection PROD00019324 10/05/2009 Email from G.Hostetter to B.Slack re: Gothic Sensitivity Study (HELB)

PROD00019325 11/16/2009 Email from B.Slack to G.Hostetter and K.Oshanski re: Battery Rooms - Heat up calcs and HELB environment PROD00019326 22/06/2009 Email from D.Potter to B.Slack re assumptions needed for HELB induced flooding PROD00019327 Date; unknown. Author; unknown Memo re assumptions needed for HELB induced flooding in the Turbine Building PROD00019328 11/06/2009 Email from J.Ritter to G.Hostetter and excel employees Re: Battery Rooms - Heat up calcs & HELB environment PROD00019329 11/04/2009 Email from G.Hostetter to M.Staley Re: HELB and room heat up.

PROD00019330 11/03/2009 Email from G.Hostetter to B.Slack Re; HELB Analysis diagrams PROD00019331 Date unknown author unknown Document Re: HELB system diagrams PROD00019332 10/20/2009 Multiple Authors Documents Re: Turbine building GOTHIC model for HELB analysis PROD00019333 10/20/2009 Authors unknown Report - Inputs to turbine building GOTHIC model for HELB analysis PROD00019334 10/20/2009 Authors B.Slack and other Excel employees Report - Inputs to turbine building GOTHIC model for HELB analysis. Input tables attachment.

PROD00019335 11/02/2009 Email from C.Agan to B.Slack Re: HELB reconstitution plan PROD00019336 10/29/2009 Email from G.Hostetter to B.Slack cc D.Potter and other Excel employees Re: Request for HELB temperatures in the Turbine building PROD00019337 10/29/2009 Author G.Hostetter Re: Prairie Island Turbine Building HELB Temperature Analysis for 2E, 1D1, 1A and 1C PROD00019338 10/28/2009 Email from G.Hostetter to B.Slack Re; glitch in GOTHIC Analyses that had been run.

PROD00019339 10/28/2009 Email from G.Hostetter to G.Kvamme and B.Slack cc: D.Carlisle and other excel employees Re; HELB model PROD00019340 10/28/2009 Email from G,Hostetter to G.Kvamme cc: B.Slack and other Excel employees Re HELB model PROD00019341 10/27/2009 Email from G.Hostetter to J.Connors and other Excel employees Re: Battery Rooms = Heat up &

HELB environment discussions PROD00019342 10/27/2009 Email from K.Oshnski to B.Slack and other Excel employees cc: J.Ritter and other Excel employees Re: Battery Rooms - Heat up calcs & HELB environment

143 Document Number Description PROD00019343 10/26/2009 Email from G.Hostetter to K.Vincent cc: B.Slack Re:D!D@ HELB OPR model changes PROD00019344 10/26/2009 Email from G.Hostetter to B.Slack Re: chart of HELB model data PROD00019345 10/26/2009 Email from G.Hostetter to B.Slack Re; HELB model PROD00019346 10/26/2009 Email from G.Hostetter to B.Slack Re: HELB model PROD00019347 8/26/2009 Author unknown document Re; Auxiliary building HELB Surface areas and flow path PROD00019348 8/26/2009 Author; D.Wang Auxiliary building HELB Surface s & flow path - modify Appendix R Safe Shutdown with Louvers.

PROD00019349 12/04/2009 Author: SA Suttler Calculation Sheet Document Re ; HELB Analysis of CC/FW/CD lines in Turbine Building PROD00019350 Enhance/reconstitute the design basis for the internal flooding program PROD00019351 Email from D. Potter to J. Ritter and others at Xcel re: Simulator Run for HELB Flooding Action PROD00019352 12/01/09 Letter from Advent Engineering to B. Slack re: Proposal for HELB analysis of Turbine Building PROD00019353 02/02/10 PINGP Calculation - High Energy Line Breaks - Break Location Selection PROD00019354 02/17/09 Evaluation of Flooding Times and Flow Rates Associated with Unit 1 and Unit 2 TB for Significance Determination PROD00019355 02/02/10 Letter from Advent to M. Stanley and B. Slack re: Advent's Schedule for GOTHIC Work at Prairie Island PROD00019356 01/10/10 Email from J. Ritter to B. Slack and others at Xcel re: Preliminary Results from Simulator Validation Run for TB HELB Flood Operator Action PROD00019357 01/08/10 Table 1 - Simulator Turbine Building HELB Flooding Scenario Validation PROD00019358 06/04/10 Email from G. Hostetter to B. Slack re: Star Tribune article on safety issues at PI PROD00019359 HELB Breaks/Cracks Required PROD00019360 04/09/10 PINGP Calculation - Center Aisle Input for Turbine Building HELB/room heat-up analyses PROD00019361 5/22/2010 email from K. DenHerder to J. Connors and others at Xcel re: Pipe break scenarios PROD00019362 5/21/2010 email from E. Boltz to B. Slack and others at Xcel re: Locations and sizes of HELB breaks/cracks PROD00019363 Report of Advent Engineering titled "Battery rooms 11, 12, 21, and 22 and Bus Rooms 15, 16, 111 and 121 Room Heat-Up Evaluations with loss of HVAC for PRA and SDP."

PROD00019364 5/17/2010 email from S. DiPasquale to T. Roddey and others at Xcel re: Information requested by NRC for 95001Inspection PROD00019365 5/13/2010 95001 CC-HELB Prairie Island Supplemental Inspection Documentation Request PROD00019366 5/7/2010 Calculation Signature Sheet titled "Turbine Building HELB Output 160.9 in MSLB."

PROD00019367 5/16/2010 email from R. Rohrer to B. Slack and others at Xcel re: questions related to task 302 of HELB report PROD00019368 5/13/2010 email from R. Rohrer to C. Hessen and others at Xcel re: Update on status of SDP project for PINGP Turbine Building internal flooding PROD00019369 5/12/2010 email from D. Ohkawa at Westinghouse to B. Slack re: Sensitivity Studies and Turbine Building

144 Document Number Description PROD00019370 5/11/2010 email from R. Rohrer to C. Hessen and others at Xcel re: Daily update on status of PINGP Turbine Building internal flooding PROD00019371 Prairie Island Flooding Open Items Significance Determination PROD00019372 4/8/2010 Design Review Comment Form titled "Appendix I - High energy Line Breaks - Piping System Selection PROD00019373 Calculation Signature Sheet titled "Appendix i - High Energy Line breaks - Piping System Selection PROD00019374 4/8/2010 PINGP - High Energy Line Breaks - Piping System Calculation Attachment 3 PROD00019375 4/8/2010 PINGP Calculation - High Energy Line Breaks - Piping System Calculation Attachment 1 PROD00019376 4/8/2010 PINGP Calculation - Attachment 2 - High Energy Line Breaks Attachment 2 PROD00019377 5/7/2010 email from R. Rohrer to D. Setlur (aesenginnering.com) and others at Xcel re: Significance of internal flooding at PINGP PROD00019378 Evaluation of interactions associated with HELB PROD00019379 5/7/2010 email from R. Rohrer to D. ketterling and others at Xcel re: Status of SDP project for PINGP Turbine Building internal flooding PROD00019380 Draft re: Turbine Flooding Open Items - Significance Determination PROD00019381 5/5/2010 email from R. Rohrer to D. Potter and others at Xcel re: Possible retention of Intertek-Aptech to evaluate pipe interactions to bolster HELB screening methods PROD00019382 5/4/2010 email from M. Davis to dl-pi-regulatory and others at Xcel meeting with NRC re: turbine internal flooding PROD00019383 Summary of 5/3/2010 discussion with NRC staff re: Turbine Building internal flooding PROD00019384 5/3/2010 letter from NRC to PI re: Unanalyzed condition due to postulated high energy line break on cooling water system PROD00019385 5/1/2010 email from J. Kempes to B. Churchill and others at Xcel re: HELB compensatory measures on Unit 1 PROD00019386 5/1/2010 email from T. Rodney to B. Slack re: Contract with AES for HELB design basis PROD00019387 4/3/2010 email from D. Ohkawa @ Westinghouse to B. Slack and J. Rausch re: Definition of HELB break PROD00019388 3/22/2010 Prairie Island Drawing Request originated by Brian Slack re: Updating HELB Locations and removing specific crack locations PROD00019389 4/27/2010 email from S. Skoyen to T. Roddey and others at Xcel re: Comments on 95001 Action and Resource Plan PROD00019390 Prairie Island CC HELB 95001 Inspection Preparation and Staffing Plan re: Inspection beginning week of 5/24/2010 PROD00019391 4/27/2010 email from A. Killinger (MPR Associates Engineering) to V. Kelly re: Proposal to complete work re:

Operation of Unit 1 EDGs in a HELB Environment PROD00019392 4/27/2010 proposal of MPR Associates re: Proposal for Evaluating the Impact of a High Energy Line Break on EDG Performance PROD00019393 Review of sensitivity study provided by Advent Engineering re: Wall thickness in the turbine building

145 Document Number Description PROD00019394 5/26/2010 email from M. Meyer to R. Hansen and S. Baird re: Acceptable HELB Barrier PROD00019395 3/17/2010 report re: Fire Protection Sprinkler Actuation Flow Rates as a Result of HELB PROD00019396 4/26/2010 email from J. Ritter to B. Slack re: Definition of Main Feed Line Breaks in Turbine Building PROD00019397 1/18/2010 email from J. Beartman to J. Ritter re HELB flooding simulation PROD00019398 V.SPA.10.001-Simulator Runs for Turbine Building HELB Flood Design Basis Operability Recommendation Operator Action Validation PROD00019399 12/4/2009 email from D. Potter to J. Ritter and others at Xcel re: Preliminary numbers from simulator runs for HELB Flooding Action PROD00019400 Preliminary numbers from simulator runs for HELB Flooding Action PROD00019401 4/13/2010 Evaluation of Flooding Times and Flow Rates Prior to April 2009 PROD00019402 Turbine Building Flooding Open Items - Significance Determination PROD00019403 3/13/2010 Evaluation of HELB Effects from Heater Drain Piping for Significance Determination PROD00019404 4/13/2010 email from D. Lambert to B. Slack and others at Xcel re: Diesel combustion air intake and exhaust during a HELB event in the Turbine Building PROD00019405 4/7/2010 email from R. Rohrer to B. Slack and others at Xcel and R. Dremel at maracor.com re: Calculation for room heatup of battery and switchbreak lines and applicability to HELB events PROD00019406 4/7/2010 email from J. Ritter to R. Rohrer re: Update on Turbine Building HELB Probabilistic Risk Assessment Evaluation PROD00019407 Design Review Checklist titled "Inputs to Turbine Building GOTHIC Model for HELB Analysis / rev. 1" PROD00019408 Design Review Comment Form - Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00019409 Design Review Checklist - Turbine Building HELB Surface Areas and Flow Paths / Rev 0B PROD00019410 PINGP Calculation titled Turbine Building HELB Surface Area & Flow Paths PROD00019411 3/30/2010 letter from R. Sitel to R. Rohrer re: HVAC System Ductwork Subject to HELB PROD00019412 Chart depicting Turbine Building Ventilation PROD00019413 Design Review Checklist - Inputs to Turbine Building Gothic Model for HELB Analysis / Rev. 1 PROD00019414 3/31/2010 PINGP Calculation titled Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00019415 Calculation Signature Sheet titled Turbine Building GOTHIC Model for HELB Analysis PROD00019416 Calculation Signature Sheet titled Turbine Compartment HELB Surface Areas and Flow Paths PROD00019417 3/26/2010 PINGP Calculation titled Turbine Building HELB Surface Areas and Flow Paths PROD00019418 Calculation Signature Sheet titled Turbine Compartment HELB Surface Areas and Flow Paths PROD00019419 3/25/2010 email from R. Rohrer to J. Loeffler and others at Xcel re: Recommended plan for addressing questions assigned to J. Loeffler regarding NRC questions on the Turbine Building Flooding SDP PROD00019420 3/24/2010 email from G. Hosttetter of Adventen Engineering to B. Slack and K. Oshanski re: First Two Turbine Building HELB Output Calculations

146 Document Number Description PROD00019421 3/24/2010 email from R. Rohrer to B. Slack and others at Xcel re: Swithgear Room Heatup for Turbine Building Flooding Event PROD00019422 3/22/2010 Design Review Comment Form titled Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00019423 Actions / Requests / Questions originating from NRC-SRA Meeting of 3/9 - 3/10/2010 PROD00019424 3/19/2010 email from R. Rohrer to S. Skoyen and others at Xcel, R. R. Dremel and R. Sharpe at Maracor, D.

Moore at dlmooreconsulting, and T. Adams at Vesca re: Options in response to NRC's schedule for processing the turbine Building internal flooding deficiency PROD00019425 3/18/2010 revision of Actions / Requests / Questions from 3/9/2010 -3/10/2010 from NRC-SRA Meeting PROD00019426 2/18/2009 Design Review Comment Form titled Evaluation of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00019427 HELB Impact to turbine Control for Operating Agreement PROD00019428 3/11/2010 Engineering Evaluation of Advent Engineering titled Battery Rooms 11, 12. 21 and 22 and Bus Rooms 15, 16, 111, and 121 Room Heat-Up Evaluations with Loss of HVAC for Probabilistic Risk Assessment PROD00019429 3/10/2010 email from G. Hostettler of Advent Engineering to J. Ritter and others at Xcel re: Meeting to discuss addressing the Turbine Ventilation System during a Turbine Building HELB Event PROD00019430 3/8/2010 email from J. Ritter to G. Hostetter at Advent engineering and others at Xcel re: Resolution of HELB/Flooding Issue PROD00019431 Design review comment form: "Determination of Habitability Time in Turbine building after HELB Scenarios that cause flooding."

PROD00019432 02/17/2009 Evaluation to determine flood heights in units 1&2 under various scenarios including HELB and Seismically initiated events PROD00019433 E-mail chain between Greg Hostetter(gmh@adventengineering.com) and B. Slack re comments on ENG-ME-708, including HELB PROD00019434 Letter to B Slack from AV Seltur at Automated Engineering Services Corp. Proposal to develop a safety related document for the PI HELB licensing and design bases PROD00019435 03/01/10 letter from AV Setlur to B Slack - Proposal to perform structural qualification of D1/D2 EDG intake duct for HELB pressure in the turbine building PROD00019436 02/26/2010 Plan to revise the turbine compartment HELB compartment volumes (resolution to CAP 01202820).

PROD00019437 Calculation signature sheet, design review checklist, walk down data sheet, and computation sheet, for turbine building HELB compartment volumes PROD00019438 Design review checklist for turbine building HELB compartment volumes PROD00019439 2/26/10 Design review comment form for turbine building HELB compartment volumes PROD00019440 ENG-CS-168 Calculation signature sheet for turbine compartment HELB compartment volumes PROD00019441 03/01/2010 letter from Michael Wylie of Advent Engineering to B Slack re: analysis of the D1/D2 ventilation air intake duct

147 Document Number Description PROD00019442 02/26/2010 email chain from Greg Hostetter (gmh@aventnegineering.com) to B Slack re the D1/D2 intake air duct PROD00019443 02/26/10 e-mail from Greg Hosetter (GMH@adventengineering.com) to B Slack re: request for proposal to qualify D1/D2 intake air duct to include HELB PROD00019444 Response to question #8 - "What is the licensing basis assumption of how close the pipes need to be to assure HELB interaction happens?"

PROD00019445 02/26/2010 e-mail from Greg Hostetter (GMH@adventengineering) to B Slack re HELB project changes PROD00019446 ENG-ME-758 - Evaluation of HELB target flow rates in the turbine building PROD00019447 Attachment to e-mail dated 01/11/2010 from R. Rohrer to B. Slack. Action item list for HELB induced flooding PROD00019448 01/07/2010 email from R. Rohrer to D. Kettering et al re: AES combined Stress Analysis needed for HELB flooding project PROD00019449 1/7/2010 E-mail from D. Potter to J. Ritter et. al. Results of a simulator run to determine length of time to locate

& close valves, then to call control room.

PROD00019450 01/04/2010 e-mail from J Ritter to D Potter et al. Survey results on length of to enter the turbine building following a HELB.

PROD00019451 01/04/2010 - internal flood update chart PROD00019452 12/27/2007 email from B Slack to M Petitclair, regarding the HELB sections of the QF-0515A form PROD00019453 10/04/2007 DBD Change notice clarifying steam exclusion door design basis.

PROD00019454 01/15/2008 e-mail from B Slack to Greg Hostetter (gmh@adventengineering.com) discussing a HELB analysis PROD00019455 01/22/2008 email from B Slack to S Scott. Request to validate the design input for the radiological accident analysis PROD00019456 01/22/2008 email from B Slack to R Harris discussing HELB PROD00019457 03/13/2008 Turbine building HELB analysis closeout document PROD00019458 01/30/2008 email from B Slack to S Myers and P Bent re HELB calculations PROD00019459 01/30/2008 e-mail from B Slack to L Wagner discussing HELB breaks PROD00019460 Operator Rounds Data 12/05/2007 Safety inspection - Residual heat removal pumps and suction PROD00019461 Operator Rounds Data 11/01/2007 - Train A Safety Injection Quarterly Test PROD00019462 Operator Rounds Data - 12/13/2007 - Train B Safety Injection Quarterly Test PROD00019463 Operator Rounds Data - 10/31/2007 - Residual Heat Removal Pumps and Suction safety data PROD00019464 Operator Rounds Data 01/02/2008 Residual Heat Removal Pumps and Suction PROD00019465 01/24/2008 - Operator Rounds Data Safety Injection Pumps Test PROD00019466 12/05/2007 - Operator Rounds Data Safety Injection Pump Test PROD00019467 01/23/2008-Operator Rounds Data, Residual Heat Removal Pumps and Suction PROD00019468 02/07/2008 email from B Slack to RICHARD.C.LINDBERG@sargentlundy.com Re: downstream wear evaluation.

PROD00019469 02/06/08 email from B Slack to J Thout re RHR pump seals and their leakage rates

148 Document Number Description PROD00019470 02/06/2008 email form B Slack to D Vincent re adding information to the licensing basis PROD00019471 GL 2004-02 PINGP Supplemental Response to the NRC PROD00019472 02/11/2008 email from B Slack to RICHARD.C.LINDBERG@sargentlundy.com regarding downstream wear evaluation PROD00019473 SI pump gaps PROD00019474 GSI-191 Debris Monitoring Program PROD00019475 09/21/2006 PINGP Safety Calculations PROD00019476 02/19/2008 email from B Slack to J Thuot re HELB in the turbine building PROD00019477 01/14/2008 PINGP Engineering Evaluation: In-Vessel downstream effects evaluation in support of GSI-191, supplemental response PROD00019478 02/28/2008 email from B Slack to D Vincent responding to questions on GL 2004-02 Supplemental Response PROD00019479 02/27/2008 Email from B Slack to D Vincent re control of aluminum in containment PROD00019480 03/06/2008 Email from B Slack to M Staley et al re RHR pump recirculation mission time PROD00019481 03/04/2008 Email from B Slack to G Hostetter discussion of the auxiliary building HELB model PROD00019482 PINGP Calculation regarding evaluation of downstream effects-reactor vessel internals and nuclear fuel PROD00019483 PINGP Calculation - Evaluation of Downstream Effects Reactor Vessel Internals and Nuclear Fuel-Attachment 5

PROD00019484 2007 Additional Guidance for Modeling Post-LOCA Core Deposition with LOCADM-Westinghouse PROD00019485 2008 Supplemental Response to NRC Generic Letter 2004-02 evaluation of downstream effects in components and systems and downstream effects in the fuel and vessel PROD00019486 2008 Supplemental Response to NRC Generic Letter 2004-02 regarding downstream effects in components and systems and downstream effects in the fuel and vessel PROD00019487 3/19/2008 email from B. Slack to S. Myers regarding HELB reanalysis PROD00019488 3/14/2008 letter from D. Horvath to B. Slack regarding Gothic Re-analysis of Aux Bldg HELBS PROD00019489 3/18/2008 Engineering Assistance Request regarding Auxiliary Building High Energy Line Break Analysis PROD00019490 Downstream Effects Analysis ECCS Inputs and Assumptions PROD00019491 3/12/2008 email from B. Slack to S. Myers regarding HELB extension PROD00019492 2008 Supplemental Response to NRC Generic Letter 2004-02 (Enclosure) regarding downstream effects in components and systems; downstream effects in the fuel and vessel PROD00019493 4/4/2008 letter from D. Horvath to B. Slack regarding GOTHIC Input Calc for the Turb Bldg HELB Analysis PROD00019494 3/27/2008 PINGP Calculation regarding evaluation of downstream effects-emergency core cooling systems PROD00019495 2007 Performance Management and Employee Development Plan PROD00019496 3/24/2008 PINGP Calculation regarding Evaluation of Downstream Effects-Emergency Core Cooling Systems PROD00019497 3/14/2008 PINGP Calculation regarding determination of allowable latent debris inside containment PROD00019498 3/24/2008 PINGP Calculation Evaluation of Downstream Effects-Emergency Core Cooling Systems

149 Document Number Description PROD00019499 50.59 Screening regarding debris transport to containment sump, debris generation calculation, and sump debris size distribution and filter efficiency PROD00019500 4/29/2008 email from B. Slack to C. Sansome regarding HELB analysis for the Aux bldg and boundary leakage PROD00019501 10/16/2000 GOTHIC Results for High-Energy Line Breaks in the PI Auxiliary Building-Calculation Sheet PROD00019502 4/22/2008 email from B. Slack to J. Donatell regarding design basis of ZE system PROD00019503 4/21/2008 email from B. Slack to R. Peterson and others at Xcel regarding ZE system downgrade and HELB analysis.

PROD00019504 12/20/1999 PINGP Calculation ENG-ME-357 re: Appendix I - High Energy Line Breaks - Break Location Selection PROD00019505 11/12/2004 Automated Engineering Services Corp. Calculation Package re: PINGP Input to HELB Analysis of the Fuel Handling Side of the Auxiliary Building PROD00019506 5/13/2008 email from B. Slack to G. Hostetler re: analysis of a tornado's impact on PI blow out panels PROD00019507 5/12/2008 email from B. Slack to C. Agan re: Aux bldg/Turb bldg blow out panels in HELB analysis PROD00019508 7/27/2007 Automated Engineering Services Corp. Calculation Package re: PINGP Units 1 & 2 Tornado-Induced Depressurization of Prairie Island Structures PROD00019509 3/28/2007 email from J. Kivi to avsetlun@aesengineering.com re: Prairie Island Licensing Basis Review with attached study on Appropriate Application of Tornado Loads to Concrete Masonry Block Walls PROD00019510 NMC 50.59 Screening: PINGP Containment Sump B Strainer Replacement PROD00019511 5/27/2008 email from B. Slack to K. Gadient and K. Kreisel re: Aux. & FH Bldg Blow-Out Panels and Siding and tornado analysis PROD00019512 5/21/2008 Advent Engineering Services, Inc. report re: PINGP Auxiliary/Fuel Handling Building Blow-In/Blow-Out Panels & Galvanized Siding PROD00019513 5/5/2008 email from B. Slack to C. Agan re: HELB Leakage Crack at Most Adverse Location PROD00019514 5/1/2008 email from B. Slack to J. Donatell re: Qlist Downgrade of ZE System Meeting Notes and HELB line break PROD00019515 6/24/2008 email from B. Slack to K. Vincent re: Graph Examples of temperature during a High Energy Line Break PROD00019516 6/23/2008 email from B. Slack to K. Vincent re: HELB temperature graphs PROD00019517 HELB temperature graph PROD00019518 6/16/2008 PINGP Calculation re: Appendix I - High Energy Line Breaks - Break Location Selection PROD00019519 6/16/2008 PINGP Calculation re: Appendix I - High Energy Line Breaks - -Break Location Selection PROD00019520 5/13/2008 PINGP Calculation re: Stress Plots for High Energy Piping Systems PROD00019521 6/18/2008 email from B. Slack to A. Bierbrauer re: HELB analysis PROD00019522 Request for Phased Approval (RPA) re: Turbine Building HELB Analysis PROD00019523 6/11/2008 email from B. Slack to C. Agan re: HELB break selection calculation PROD00019524 Request for Phased Approval (RPA) re: Turbine Building HELB Analysis

150 Document Number Description PROD00019525 NMC 50.59 Screening re: Stress Plots for High Energy Piping Systems PROD00019526 7/31/2008 email from B. Slack to J. Kivi re: Draft Text for Event Notification Worksheet re: HELB break in Turbine Building PROD00019527 6/10/2008 Request for Phased Approval: Turbine Bldg HELB Analysis PROD00019528 6/10/2008 Request for Phased Approval Turbine Bldg HELB Analysis PROD00019529 Auxiliary Building DBD Revisions (DBD STR-02)

PROD00019530 8/26/2008 Email to B. Slack from G. Hostetter re: calc for CR leakage PROD00019531 8/26/2008 Email from B. Slack to G. Hostetter re: 900 calculation for CR Leakage PROD00019532 9/29/2008 draft of letter from M. Wadley to U.S. Nuclear Regulatory Commission re: component cooling water system susceptibility to a high energy line break PROD00019533 Implementation of New Containment Recirculation Sump Licensing Basis Requirements PROD00019534 Implementation of New Containment of Recirculation Requirements PROD00019535 10/4/2008 Email from B. Slack to G. Hostetter re leakage calc, HELB compartments PROD00019536 10/2/2008 Email from B.Slack to S. Myers re: OE document HELB assumptions PROD00019537 10/2/2008 Email from B. Slack to S. Schaefer re: HELB drawings and calculation PROD00019538 1/4/2008 Email from B. Slack to L. Sueper & J. Anderson re PINGP Component Cooling Water HELB licensing issue update PROD00019539 1/28/2008 Email from Thomas Kendall at FPL to B. Slack re timeframe for ending high head recirculation PROD00019540 1/28/2008 Email from B. Slack to D. Smith & C. Sansome re recirculation & boric acid precipitation PROD00019541 Response from B. Slack on 3/13/2009 to NRC Question Response Form dated 11/5/2008 PROD00019542 2/3/2009 email from B. Slack to C. Agan and others at Xcel re safety related evaluation of jet impingement on CC piping PROD00019543 1/28/2009 B. Slack Response to NRC Question Response Form dated 11/05/2008 PROD00019544 Response from B. Slack on 01/28/2009 to NRC Question Response Form dated 11/05/2008 PROD00019545 Response from B. Slack on 1/28/2009 to NRC Question Response Form dated 11/05/2008 PROD00019546 Response from B. Slack on 01/28/2009 to NRC Question Response Form dated 11/5/2008 PROD00019547 01/28/2009 Memo from B. Horner to S. Northard re status of HELB/CC piping PROD00019548 question response form Turbine Bldg CC system PROD00019549 Letter proposal from AES to Marc Meyer dated 3/3/2006 concerning CC piping project PROD00019550 email concerning turbine bldg HELB/CC Sdp update dated 1/15/2009 PROD00019551 email concerning turbine bldg helb/cc sdp update 1/13/2009 PROD00019552 email from AES 1/12/2009 on HELB Impact on CC piping in TB PROD00019553 email from AES 1/12/2009 - Seismic level eval CC in the TB PROD00019554 CC HELB interaction structural analysis request for approval PROD00019555 CC HELB interaction structural analysis request for approval 2/20/2009

151 Document Number Description PROD00019556 email 1/26/2009 - turbine bldg HELB/CC SDP update PROD00019557 Information for PI CC lines PROD00019558 AES write up on TB HELB calculations PROD00019559 NRC question response form re: TB cooling component system PROD00019560 email - AES TB sens study discussion 2/12/2009 PROD00019561 email - AES TB Sens Study discussion 2/12/2009 PROD00019562 email - AES TB Sens Study discussion 2/11/2009 PROD00019563 study approval - CC Piping in the TB - CC HELB interaction structural analysis PROD00019564 AES progress report on Analysis of CC/FW/CD Lines in the TB 1/30/2009 PROD00019565 3/3/2009 Email from B. Slack to C. Agan re HELB and Licensing Basis PROD00019566 3/4/2009 Email from B. Slack to C. Agan re HELB and Licensing Basis PROD00019567 3/4/2009 Email from B. Slack to S. Ford re Inability to Complete HELB-related OE Action PROD00019568 3/1/2009 Open OE Action Status Report PROD00019569 3/4/2009 Email from B. Slack to G. Hostetter re Requirements for TB Boundary Leakage Analysis PROD00019570 3/2/2009 Email from B. Slack to G. Lenertz re HELB Analysis Boundary Leakage Calculations and Inclusion in USAR PROD00019571 2/27/2009 Email from B. Slack to B. Horner re TB HELB CC Update PROD00019572 2/23/2009 Email from B. Slack to R. Sitek re Meeting to Discuss HELB Requirements related to Control Room Dampers PROD00019573 Draft Flow Element Review Chart PROD00019574 3/13/2009 Email from B. Slack to K. Kriesel et al re CC Piping and TB HELB PROD00019575 3/12/2009 Email from B. Slack to D. Malek re Inclusion of Pipe on HELB Line List PROD00019576 3/12/2009 Letter from M. Wylie, Advent Engineering Services, Inc., to B. Slack re Proposal for GOTHIC Modeling to Support CC System HELB Operability Determination PROD00019577 3/12/2009 Email from B. Slack to L. Seidling et al re Additional Leakage Locations for List PROD00019578 3/11/2009 Email from B. Slack to G. Hostetter re List of Cracks and Breaks to be Included in CC HELB Study PROD00019579 3/11/2009 Email from B. Slack to G. Hostetter re Standards of Equipment and Applicability to HELB PROD00019580 3/27/2009 Email from B. Slack to S. Scott re HELB Licensing Basis PROD00019581 3/27/2009 Email from B. Slack to G. Hostetter re Specifications for Pipe Testing PROD00019582 3/26/2009 Email from B. Slack to D. Setlur & C. Agan re Creation of HELB Program Document PROD00019583 3/26/2009 Email from B. Slack to G. Hostetter re HELB Calculations and Break Locations for M&E Report PROD00019584 3/19/2009 Email from B. Slack to D. Aument re Location of Steam Lines Relative to CC Lines PROD00019585 3/19/2009 Email from B. Slack to G. Hostetter re Compressor Flowrates for TB HELB Study PROD00019586 3/18/2009 Email from B. Slack to D. Aument re Location of Steam Lines Relative to CC Lines PROD00019587 3/18/2009 Email from B. Slack to K. Vincent re Procedure for Door Seal Issues and Allowable Leakage

152 Document Number Description PROD00019588 3/18/2009 Email from B. Slack to J. Ritter & W. Scholberg re Location of Piping near the CC/HELB Pipe Whip Areas PROD00019589 3/18/2009 Email from B. Slack to W. Scholberg re Discussion of FP, CL and CC Systems Interaction PROD00019590 3/17/2009 Email from B. Slack to D. Henry & D. Setlur re Jet Impingement Calc and Leakage Crack Frequency PROD00019591 3/13/2009 - Design Review Comment Form: Evaluation of the Effects of Jet Impingement on CC Piping in the TB PROD00019592 3/16/2009 Email from B. Slack to D. Setlur re Safety Classification of Jet Impingement and CC Piping Calculations PROD00019593 3/16/2009 Email from B. Slack to W. Scholberg re Classification of HELB Component Cooling Issue PROD00019594 3/16/2009 Email from B. Slack to W. Scholberg re Classification of HELB Component Cooling Issue PROD00019595 4/7/2009 Email from B. Slack to S. Meyers re CAP Actions Related to HELB PROD00019596 4/7/2009 Email from B. Slack to S. Meyers re HELB Project Update PROD00019597 Undated PowerPoint document re HELB Project Update PROD00019598 Undated HELB Project Update PROD00019599 4/7/2009 Email from B. Slack to S. Ford re Moving Forward with HELB Project PROD00019600 4/6/2009 Email from B. Slack to J. Ritter re Effects of Jet Impingement and CC Piping PROD00019601 4/6/2009 Email from B. Slack to J. Ritter re Effects of Jet Impingement and CC Piping PROD00019602 4/6/2009 Email from B. Slack to J. Ritter re Effects of Jet Impingement and CC Piping PROD00019603 4/6/2009 Email from B. Slack to J. Ritter re Effects of Jet Impingement and CC Piping PROD00019604 4/6/2009 Email from B. Slack to J. Ritter re Effects of Jet Impingement and CC Piping PROD00019605 4/23/2009 Email from B. Slack to J. Ritter re Discussion of Report Describing Interactions between CC / CL /

HELB PROD00019606 Report on Interactions Between High Energy Piping and Cooling Water (CL) That Also Affect Component Cooling (CC)

PROD00019607 4/23/2009 Email from B. Slack to W. Scholberg re CAP Procedure PROD00019608 4/22/2009 Email from B. Slack to J. Hill re Outside Containment HELB Mass & Energy Release Calculations PROD00019609 Documentation of All Interactions Between High Energy Piping and Cooling Water (CL) That Also Affect Component Cooling (CC)

PROD00019610 4/21/2009 Email from B. Slack to J. Ritter & D. Malek re Potentially Broken FP and CL Pipes in the Turbine Building PROD00019611 4/21/2009 Email from B. Slack to J. Ritter & D. Malek re: Potentially Broken FP and CL Pipes in the Turbine Building PROD00019612 4/16/2009 Email from B. Slack to R. Best re Clarification of Location of Deaerating Steam Line Causing CC Issues PROD00019613 4/13/2009 - Engineering Change Report: Evaluation of the Effects of HELB Jet Impingement on CC Piping in the Turbine Building PROD00019614 Blueprint/Diagram of Feedwater Unit 1, Piping Iso Cooling Water, Condensate Piping - Turbine Building

153 Document Number Description PROD00019615 Drawing - Interaction between HELB and CL PROD00019616 Blueprint/Diagram - Piping Iso Cooling Water PROD00019617 5/13/2009 - Design Information Transmittal related to HELB and Pipe Whip PROD00019618 5/26/2009 Email from B. Slack to S. Myers re HELB Program Changes and Calculations PROD00019619 5/11/2009 email from Brian Slack to Sean Ford re: HELB volumes and input calculations PROD00019620 5/11/2009 email from Brian Slack to Jayne Ritter re: HELB pipe breaks in the Turbine Building PROD00019621 5/7/2009 email from Brian Slack to Sean Ford re: HELB pipe breaks and flooding in the Turbine Building PROD00019622 HELB flooding program evaluation between NRC and Xcel PROD00019623 5/6/2009 Request For Phased Approval (RPA) re: Turbine building and HELB analysis PROD00019624 5/5/2009 email from Brian Slack to Dave Carlstrom re: no leakage through the door seals from HELB PROD00019625 6/18/2009 email from Brian Slack to Rick Rohrer and others re: Safety, HELB and pipe strength conference call with AES/MPR PROD00019626 6/17/2009 email from Brian Slack to Dave Malek and others re: Safety and pipe strength concerns of the NRC PROD00019627 Summary chart of HELB piping interactions on cooling water piping PROD00019628 Summary chart of HELB piping interactions on cooling water piping PROD00019629 6/17/2009 email from Brian Slack to Dave Malek re: NRC response to cooling water line/pipe break PROD00019630 Summary chart of HELB piping interactions on cooling water piping PROD00019631 Summary chart of HELB piping interactions on cooling water piping PROD00019632 Chart with summary of CC-HELB piping interactions on cooling water piping PROD00019633 6/2/2009 letter from MPR Associates to Brian Slack re: analysis of 3 HELB configurations in the Prairie Island turbine building PROD00019634 5/29/2009 letter from AES Corp to Brian Slack re: proposal to perform a safety related jet impingement analysis of two water lines in the turbine building PROD00019635 6/3/2009 letter from AES Corp to Brian Slack re: proposal to perform a safety related analysis of two water lines in the turbine building PROD00019636 6/15/2009 email from Brian Slack to Chris Lasiel at Sargent Lundy re: AES calculations and design descriptions of turbine room PROD00019637 6/15/2009 email from Brian Slack to Chris Lasiel at Sargent Lundy re: AES calculations and design descriptions of turbine room PROD00019638 6/15/2009 email from Brian Slack to Richard Lindberg at Sargent Lundy re: calculations and design descriptions of turbine room PROD00019639 6/5/2009 email from Brian Slack to Jayne Ritter and others re: HELB calculations and design descriptions of turbine room PROD00019640 HELB calculations and flooding effects w/chart PROD00019641 6/5/2009 email from Brian Slack to Jeff LeClair re: HELB damper calculations and design PROD00019642 6/5/2009 email from Brian Slack to Jeff LeClair and others re: HELB damper calculations and design

154 Document Number Description PROD00019643 6/2/2009 letter from MPR Associates to Brian Slack re: HELB configuration and analysis in the turbine building PROD00019644 6/3/2009 email from Brian Slack to Jayne Ritter and others re: HELB configuration and safety with line break analysis and jet impingement PROD00019645 6/3/2009 email from Brian Slack to Jayne Ritter and others re: HELB configuration and safety with line break analysis and jet impingement PROD00019646 7/24/2009 Email from B. Slack to D.Setlur re Performance of combined stress analysis on Unit 1 with consideration of HELB PROD00019647 7/24/2009 Email from B. Slack to J. Hill re Revision of the HELB analysis in response to new mass and energy release calculations for line breaks outside of containment PROD00019648 7/23/2009 Email from B. Slack to W. Scholberg re progress on evaluation of HELB flooding efforts PROD00019649 7/22/2009 Letter from W. Scholberg to D. Potter presenting draft report for actions to keep turbine building doors open in the case of a flood PROD00019650 7/21/2009 Email from B. Slack to J. Curnyn of AES Engineering re back leakage calculations for the reactor containment system PROD00019651 7/20/2009 HELB flooding walkdown notes PROD00019652 7/8/2009 Evaluation of potential interactions between high energy piping and unlimited water sources in the turbine building PROD00019653 7/17/2009 Email from B. Slack to G. Hostetter re schedule for completing HELB PROD00019654 7/14/2009 Email from B. Slack to E. Bird re deformation of nozzles of the cooling water line PROD00019655 7/13/2009 Email from B. Slack to D. Potter re flooding and HELB PROD00019656 7/10/2009 Email from B. Slack to D. Potter and other engineers of PINGP re possible solutions to flooding at turbine building PROD00019657 7/13/2009 Email from B. Slack to E. Bird re modeling cooling line deformation upon impact PROD00019658 Drawing described in parent email as sketch of cooling line relative to feed water line PROD00019659 7/9/2009 Email from B. Slack to J. Nestell of MPR Associates regarding proposal for HELB work modeling damage due to pipe whip of feed water line PROD00019660 7/9/2009 Email from B. Slack to J. Ritter re stress analysis on the feed water, component cooling, and cooling line interaction PROD00019661 7/9/2009 Email from B. Slack to D. Setlur re proposal for stress analysis on Unit 1 feed water piping to eliminate breaks PROD00019662 7/9/2009 Design Input Consultation Form discussing HELB analysis and maximum room temperature PROD00019663 7/8/2009 Email from B. Slack to D. Potter re likelihood of striking cooling component and cooling line PROD00019664 7/8/2009 Email from B. Slack to J. Nestell of MPR Associates regarding piping arrangements and likelihood of striking cooling component and cooling line PROD00019665 1/9/1970 drawing of Piping ISO Cooling Water PROD00019666 12/2/1974 Drawing of Component Cooling Water

155 Document Number Description PROD00019667 12/2/1974 Drawing of Component Cooling Water PROD00019668 Sketch of interaction of cooling component with piping PROD00019669 7/8/2009 Email from B. Slack to S. Ford re HELB analysis relating to pipes versus valves PROD00019670 7/8/2009 Email from R. Ray to Mechanical Engineers re e-conference to discuss progress on the HELB/CC response.

PROD00019671 7/8/2009 Email from B. Slack to D. Potter re HELB jet impingement PROD00019672 7/7/2009 Email from B. Slack to D. Setlur re HELB jet impingement PROD00019673 7/7/2009 Email from B. Slack to D. Setlur re stress analysis that includes consideration of jet impingement PROD00019674 7/6/2009 Email from B. Slack to R. Rohrer of Xcel re HELB measures PROD00019675 7/6/2009 Email from B. Slack to S. Myers re CAP and operability determination and parameters for HELB analysis PROD00019676 7/6/2009 Email from B. Slack to D. Malek re pipe whip evaluation PROD00019677 6/30/2009 Email from B. Slack to S. Gabor re obtaining additional information about interview requested by NRC re HELB/CC CAP PROD00019678 6/29/2009 Email from B. Slack to A. Bierbrauer re HELB nonconformance PROD00019679 6/29/2009 Request for Phased Approval PROD00019680 8/25/2009 Email from B. Slack to W. Scholberg re HELB/flooding PROD00019681 7/29/2009 PINGP calculation: Determination of HELB/Flooding interactions in the turbine building PROD00019682 7/29/2009 Turbine building HELB/Flooding interactions data PROD00019683 8/19/2009 PINGP Calculation: Appendix I - High energy line breaks - Break location selection PROD00019684 8/25/2009 Email from B. Slack to W. Scholberg re reference for the HELB selection PROD00019685 8/25/2009 Walkdown notes - Attachment 1of Calculation ENG-ME-732 PROD00019686 7/29/2009 Email from B. Slack to S. Ford and S. Myers re attached proposal to perform stress analyses for HELB and plans for design basis flooding analysis PROD00019687 7/29/2009 Letter from A. Setlur to B. Slack re Proposal to perform HELB analysis of Unit 1 FW line from FW Pumps to the 15 A/B FW Heaters and CD Lines to FW Pumps PROD00019688 8/25/2009 Email from B. Slack to R. Rohrer re proposal from AES Engineering to perform HELB analysis PROD00019689 7/29/2009 Letter from A. Setlur to B. Slack re Proposal to perform HELB analysis of Unit 1 FW line from FW pumps to the 15A/B Heaters and CD lines to FW pumps PROD00019690 5/2009 Employee Performance report of B. Slack under the Performance Management & Employee Development Plan PROD00019691 8/20/2009 Email from B. Slack to D. Setlur re diagram for HELB calculations PROD00019692 8/20/2009 Email from B. Slack to H. Hehls re approval of GAR tracking updates to HELB calculations PROD00019693 8/20/2009 Email from B. Slack to C. Agan re revision to HELB flooding report PROD00019694 8/19/2009 Appendix I - High energy line breaks - break location selection - preliminary draft PROD00019695 8/19/2009 Email from B. Slack to W. Scholberg re HELB/flooding calculations

156 Document Number Description PROD00019696 8/18/2009 Email from B. Slack to B. Moenkedick re prioritization of backlogged engineering projects PROD00019697 8/18/2009 Tabulated list of projects being overseen by B. Slack PROD00019698 8/18/2009 Email from B. Slack to R. Mohr re HELB timeline proposed by plant health committee PROD00019699 8/18/2009 Email from B. Slack to M. Huting re history of funding HELB project PROD00019700 8/13/2009 Email from B. Slack to D. Potter re HELB and jet impingement PROD00019701 8/13/2009 Email from B. Slack to J. Thuot re incorporating fire door impact to HELB calculations PROD00019702 8/13/2009 Email from B. Slack to D. Potter cc K. Balakrishnan re air flow in cooling component for HELB analysis PROD00019703 8/13/2009 Email from B. Slack to D. Potter re status of turbine building flooding calculations PROD00019704 8/13/2009 Email from B. Slack to D. Malek re feedback on experience with PRA for modeling cooling component HELB PROD00019705 7/29/2009 Email from B. Slack to D. Potter cc S. Ford re review of HELB calculations PROD00019706 7/29/2009 Determination of HELB/flooding interactions in the Turbine Building: Calculation Signature Sheet prepared by B. Slack PROD00019707 7/2009 Data inputs for HELB/flooding interactions PROD00019708 7/2009 Attachment 1 for HELB calculations PROD00019709 7/29/2009 Email from B. Slack to D. Hunt cc K. Knesel re fire damper and check damper response to seismic or HELB event PROD00019710 7/29/2009 Email from B. Slack to D. Hunt cc K. Kriesel re HELB and seismic qualification of ducts for air compressor PROD00019711 7/29/2009 Email from B. Slack to C. Agan re HELB project and seismic qualification of ducts/dampers of air compressor PROD00019712 7/28/2009 Email from B. Slack to C. Sprout re HELB and new mass and energy release calculations PROD00019713 7/28/2009 Email from B. Slack to C. Sprout re new mass and energy release calculations and HELB analysis PROD00019714 9/24/2009 CAP regarding debris in cooling component system and loss of coolant accident PROD00019715 9/22/2009 Apparent Cause Evaluation report by S. Myers re loss of coolant accident PROD00019716 9/22/2009 Email from B. Slack to A. Annis cc J. Connors, T. Verbout re implementation of changes to cooling system sump pump/debris calculations PROD00019717 9/22/2009 Email from B. Slack to A. Annis cc J. Connors re cooling system sump pump project PROD00019718 9/22/2009 Email from B. Slack to D. Setlur re pipe stress analysis PROD00019719 9/22/2009 Email from B. Slack to G. Hostetter re projects incorporating ventilation analysis PROD00019720 9/22/2009 Email from B. Slack to J. Ritter cc K. Vincent re HELB inside containment versus HELB outside containment for environmental qualification PROD00019721 9/21/2009 Email from B. Slack to PINGP engineers re Setlur's stress analyses for HELB/flooding project PROD00019722 9/21/2009 Email from B. Slack to S. Ford re HELB/flooding meeting PROD00019723 9/21/2009 Email from B. Slack to M. Vetting re HELB/flooding and revisions to ENG-ME-357

157 Document Number Description PROD00019724 9/21/2009 Email from B. Slack to PINGP engineers and S. Thomas of BV re sump pump past operability report PROD00019725 9/20/2009 Sump B Past Operability Evaluation due to Latent Debris in Excess of Program Limits PROD00019726 9/19/2009 EC14193 - Time-critical operator actions following a turbine building HELB PROD00019727 9/19/2009 B. Slack's project prioritization list PROD00019728 9/19/2009 Email from B. Slack to D. Potter re completing of supporting calculations for HELB model PROD00019729 9/18/2009 PINGP calculation: Center aisle input for turbine building GOTHIC analyses PROD00019730 9/17/2009 Email from B. Slack to S. Ford re action for review of the white finding report PROD00019731 9/17/2009 Email from B. Slack to S. Adams re vent valves for CAP 1194159 and 1194184 PROD00019732 9/1/2009 PINGP calculation: Appendix I - High energy line breaks - break location selection PROD00019733 8/31/2009 Position paper on miscellaneous vent and drain connections to high energy piping PROD00019734 9/15/2009 PINGP Corrective Actions for Generic Letter 2004 audit report PROD00019735 6/1/2009 Letter from NRC to M. Wadley re PINGP Units 1 and 2 - Generic Letter 2004-02 Supplemental response PROD00019736 2/28/2008 Letter from PINGP to NRC re Supplemental response to generic letter 2004-02, "Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors" PROD00019737 3/31/2008 Letter from PINGP to NRC re Supplemental response to generic letter 2004-02, "Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors" PROD00019738 2/28/2009 Letter from PINGP to NRC re Supplemental response to generic letter 2004-02, "Potential Impact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized-Water Reactors" PROD00019739 3/31/2008 Letter from PINGP to NRC re Supplemental response to generic Letter 2004-02 PROD00019740 9/14/2009 Email from B. Slack to L. Seidling re void and emergency cooling component system PROD00019741 9/14/2009 GSI-191 Debris Monitoring Spreadsheet PROD00019742 9/12/2009 Email from B. Slack to PINGP engineers re progress on turbine building HELB/flooding calculations PROD00019743 9/12/2009 Email from B. Slack to S. Ford, P. Bent re HELB analysis OPR revisions PROD00019744 9/11/2009 Email from B. Slack to K. DenHerder re spreadsheets for HELB analysis PROD00019745 9/10/2009 Email from B. Slack to W. Scholberg re comments on OPR revisions PROD00019746 9/10/2009 Operability Recommendation re modifications to turbine building roll-up doors with respect to HELB/flooding PROD00019747 9/10/2009 Email from B. Slack to B. Karnowski re HELB condition and mode 5 PROD00019748 9/10/2009 Email from B. Slack to W. Scholberg re water level in turbine building and weather conditions PROD00019749 9/10/2009 Email from B. Slack to W. Scholberg re compensatory actions in case of HELB/flooding PROD00019750 9/10/2009 Email from B. Slack to W. Scholberg and other engineers re revisions to HELB operability report PROD00019751 Operability recommendation re HELB flooding PROD00019752 9/10/2009 Email from B. Slack to W. Scholberg and other PINGP engineers re HELB operability recommendations PROD00019753 9/10/2009 Email from B. Slack to S. Ford cc D. Carisle re revisions to HELB operability recommendation

158 Document Number Description PROD00019754 Operability recommendation revision 5 re HELB flooding PROD00019755 9/10/2009 Spreadsheet re calculations for operability recommendations re HELB flooding PROD00019756 9/10/2009 Spreadsheet for operability recommendations re HELB flooding PROD00019757 9/10/2009 Spreadsheets for operability recommendation re HELB/flooding PROD00019758 9/9/2009 Xcel Energy 50.59 Screening: Modify Turbine Bldg Roll-Up Doors PROD00019759 9/9/2009 Email from B. Slack to J. Curnyn of EAS Engineering re gas vent placement in ECCS to reduce voids PROD00019760 9/9/2009 Email from B. Slack to S. Myers re opening security doors as a compensatory measure PROD00019761 Operability Recommendation regarding evaluation for SDP in response to HELB PROD00019762 8/31/2009 Position Paper on Miscellaneous Vent and Drain Connections to High Energy Piping by Brian Slack PROD00019763 Turbine Building HELB/ Flooding Interactions document PROD00019764 Turbine Building HELB Flooding Interactions PROD00019765 Turbine Building HELB Flooding Interactions PROD00019766 9/1/2009 PINGP Calculation-High Energy Line Breaks - Break Location Selection PROD00019767 5/6/2009 Request for Phased Approval-Turbine Building HELB Analysis PROD00019768 10/24/2009 email from B. Slack to S. Myers regarding HELB licensing basis requirements PROD00019769 10/20/2009 email from D. Carlisle to L. Johnson and others at Xcel regarding CAP on HELB PROD00019770 10/19/2009 email from B. Slack to M. Hopman regarding CAP on HELB and effect of temperatures on diesel output PROD00019771 Pipe Break Timeline document PROD00019772 50.59 Screening: Calculation Titles: Evaluation of Potential Hold-up Regions in Containment Evaluation of Downstream Effects-ECCS PROD00019773 Draft for HELB CAPS PROD00019774 9/14/2009 Sampling document regarding latent debris monitoring PROD00019775 10/12/2009 email from B. Slack to P. Bent regarding TB flooding PROD00019776 10/13/2009 PINGP Engineering Evaluation-Evaluation of Paint Chips Found in Reactor Vessel PROD00019777 10/5/2009 Design Review Comment Form - High Energy Line Breaks Break Location Selection PROD00019778 9/1/2009 PINGP Calculation-High Energy Line Breaks Break Location Selection PROD00019779 12/2004 Pressurized Water Reactor Sump Performance Evaluation Methodology-safety evaluation PROD00019780 12/2004 Pressurized Water Reactor Sump Performance Evaluation Methodology-safety evaluation PROD00019781 5/27/2009 Letter from A. Seltur to B. Slack regarding proposal to develop a safety related document for the PI HELB Licensing and Design Bases PROD00019782 Debris Monitoring Program PROD00019783 10/6/2009 email from B. Slack to S. Ford regarding Waterhammer analysis and leakage PROD00019784 10/5/2009 email from B. Slack to G. Hoestetter regarding safety evaluation for RHR pumps PROD00019785 10/4/2009 email from B. Slack to G. Hostetter regarding HELB heat loads and sensitivity PROD00019786 9/20/2009 SUMP B Operability Evaluation Due to Latent Debris in Excess of Program Limits

159 Document Number Description PROD00019787 11/20/2009 Position Paper on Loss of Offsite Power Assumptions for the HELB Analysis PROD00019788 11/20/2009 email from B. Slack to J. Hill regarding Westinghouse document and HELB impacts due to EBU PROD00019789 11/20/2009 email from B. Slack to J. Hill regarding Westinghouse document and HELB impacts due to EBU PROD00019790 Turbine Building HELB/ Flooding Interactions Chart (270 pages)

PROD00019791 7/29/2009 PINGP Calculation: Determination of HELB Flooding Interactions in the Turbine Building PROD00019792 Turbine Building HELB/ Flooding Interactions Chart PROD00019793 Turbine Building HELB/ Flooding Interactions chart PROD00019794 11/17/2009 email from B. Slack to D. Potter and others at Xcel regarding protopower protoflow analysis and safety related Calculation PROD00019795 11/16/2009 email from B. Slack to J. Ritter regarding heat up calcs and HELB environment PROD00019796 11/06/2009 PINGP Calculation regarding Center Aisle Input for Turbine Building Gothic Analyses PROD00019797 11/13/2009 email from B. Slack to D. Vincent regarding containment sump issue PROD00019798 11/12/200 email from B. Slack to D. Potter regarding flowchart of "flooding world" PROD00019799 11/10/2009 Email from B. Slack to S. Myers, K. DenHerder & D. Smith with D. Potter cc'd re CL-HELB event timing PROD00019800 5/13/2009 Calculation of Whipping High Energy Line Impact Velocity and Kinetic Energy prepared by MPR Associates PROD00019801 11/10/2009 Email from B. Slack to D. Potter with R. Rohrer cc'd re HELB flowchart PROD00019802 12/11/2000 NRC Information Notice 2000-20: Potential Loss of Redundant Safety-Related Equipment Because of the Lack of High-Energy Line Break Barriers PROD00019803 11/10/2009 Email from B. Slack to D. Potter with W. Scholberg cc'd re new Battery room gaps PROD00019804 Spreadsheet re Battery room gaps PROD00019805 Operability Recommendation re determination that Loss of Offsite Power (LOOP) and single failure should be assumed concurrently PROD00019806 CAP Draft: Potential CL system unanalyzed condition during HELB PROD00019807 11/6/2009 Email from B. Slack to J. Ritter with S. Myers cc'd re Dry-run of turbine building HELB/Flooding on simulator PROD00019808 11/6/2009 Email from B. Slack to G. Hostetter with K. Oshanski re Battery Rooms - Heat up calcs & HELB environment PROD00019809 11/6/2009 Email from B. Slack to S. Ford & J. Hill with C. Sprout & L. Gunderson cc'd re Evaluation of new HELB crack locations PROD00019810 11/6/2009 Email from B. Slack to J. Ritter, G. Hostetter & J. Connors with K. Oshanski cc'd re Battery rooms -

heat up calcs & HELB environment PROD00019811 11/5/2009 Email from B. Slack to M. Staley re room heat-up phase 3 PROD00019812 11/5/2009 Email from B. Slack to G. Hostetter for HELB Analysis Relational Diagram

160 Document Number Description PROD00019813 Design Review Comment Form: Seismic and HELB Analyses of Unit 1 Feedwater Discharge Piping to 15 A/B Heaters PROD00019814 11/2/2009 Email from B. Slack to D. Potter re Flooding world PROD00019815 Gothic Model Flowchart re HELB Flooding analysis PROD00019816 10/29/2009 Prairie Island Turbine Building HELB Temperature Analysis for 2E, 1D1, 1A and 1C report prepared by Advent Engineering Services PROD00019817 7/29/2009 Calculation Signature Sheet: Determination of HELB / Flooding Interactions in the Turbine Building PROD00019818 10/28/2009 Email from B. Slack to S. Myers & D. Potter with others cc'd re HELB questions from the shift manager PROD00019819 10/27/2009 Email from B. Slack to J. Connors & S. Myers with others cc'd re Battery Rooms - Heat up calcs &

HELB environment PROD00019820 10/25/2009 50.59 Screening : High Energy Line Breaks - Break Location Selections PROD00019821 10/26/2009 Email from B. Slack to M. Hopman & D. Potter re Turbine Building HELB analysis PROD00019822 10/26/2009 Email from B. Slack to K. Vincent & G. Kvamme re HELB model with curves from Advent PROD00019823 10/26/2009 Email from B. Slack to G. Hostetter re HELB model PROD00019824 Turbine Building HELB / Flooding Interactions Spreadsheet PROD00019825 12/21/2009 Design Review Comment Form: Auxiliary Building HELB Surface Areas & Flow Paths PROD00019826 12/4/2009 Request for Phased Approval: Turbine Bldg HELB Analysis PROD00019827 11/6/2009 PINGP Calculation: Center Aisle Input for Turbine Building Gothic Analyses PROD00019828 50.59 Screening: Inputs to Turbine Building GOTHIC Model for HELB Analysis PROD00019829 12/14/2009 Email from B. Slack to L. Wagner with W. Scholberg cc'd re HELB flooding in Aux Bldg PROD00019830 12/1/2009 50.59 Screening: Center Aisle Input for Turbine Building GOTHIC Analyses PROD00019831 12/4/2009 Group of new Document Request Forms re Pipe stress Analyses PROD00019832 12/7/2009 Group of New Document Request Forms re Analyses of Feedwater Discharge Piping, CD Lines PROD00019833 12/4/2009 Request for Phased Approval: Turbine Bldg HELB Analysis PROD00019834 12/1/2009 Letter from M. Wylie with Advent Engineering Services to B. Slack re Advent Proposal AP-09-24a, Turbine Building GOTHIC HELB Analysis PROD00019835 12/3/2009 50.59 Screening: Station Battery & DC Distribution System, Unit 2 - 4.16KV System, Cooling Water PROD00019836 List of HELB-Related EPU Work PROD00019837 12/3/2009 Email from B. Slack to W. Scholberg re HELB quality requirements PROD00019838 Turbine Building HELB / Flooding Interactions Spreadsheet PROD00019839 7/29/2009 PINGP Calculation: Determination of HELB/Flooding Interactions in the Turbine Building PROD00019840 Calculation ENG-ME-732: Turbine Building HELB / Flooding Interactions Spreadsheet PROD00019841 12/1/2009 Email from B. Slack to J. Hill re Xcel comments on EPU offer related to HELB PROD00019842 11/30/2009 Email from B. Slack to J. Hill w/ S. Ford cc'd re Xcel comments on EPU offer related to HELB

161 Document Number Description PROD00019843 1/24/2010 PINGP Calculation: Determination of Habitability Time in Turbine Building After HELB Scenarios that Cause Flooding, Attachment 2 PROD00019844 1/24/2010 PINGP Calculation: GOTHIC Results for Turbine Building After Main Steam HELB Scenarios that Cause Flooding PROD00019845 Calculation ENG-ME-767, Attachment 1: Turbine Building HELB / Flooding Interactions Spreadsheet PROD00019846 Calculation ENG-ME-767, Attachment 3: Spreadsheet PROD00019847 2/23/2010 Email from B. Slack to S. Ford re change to the TRM PROD00019848 2/2/2010 Design Review Comment Form: ENG-ME-357, Rev 3: Appendix 1 - High Energy Line Breaks - Break Location Selection PROD00019849 2/2/2010 Calculation Signature Sheet: ENG-ME-357, Rev. 3: Appendix 1 - High Energy Line Breaks - Break Location Selection PROD00019850 Analysis of turbine building flooding PROD00019851 1/24/2010 Determination of Habitability Time in Turbine Building After HELB Scenarios that Cause Flooding PROD00019852 1/24/2010 Determination of Habitability Time in Turbine Building After HELB Scenarios That Cause Flooding PROD00019853 1/21/2010 letter from B. Slack to D. Kettering regarding corrective action at PINGP.

PROD00019854 Determination of HELB / Flooding Interactions in Turbine Building at PINGP.

PROD00019855 Turbine Building HELB / Flooding Interactions.

PROD00019856 1/18/2010 Determination of HELB / Flooding Interactions in the Turbine Building.

PROD00019857 1/18/2010 by B. Slack stress analysis of piping at PINGP.

PROD00019858 1/18/2010 Determination of HELB / Flooding Interactions in the Turbine Building.

PROD00019859 1/19/2010 email from B. Slack to S. Ford regarding funds for stress analysis of piping at PINGP.

PROD00019860 List of actions needing to be performed at PINGP.

PROD00019861 PINGP HELB break location selection document.

PROD00019862 1/15/2010 email from B. Slack to J. Thuot regarding assessment of PINGP.

PROD00019863 1/14/2010 email from B. Slack to J. Hill regarding stress analysis in piping at PINGP.

PROD00019864 1/11/2010 email from B. Slack to D. Kettering discussing contract for HELB work at PINGP.

PROD00019865 1/11/2010 email from B. Slack to S. Onnen regarding HELB design engineering calculations.

PROD00019866 1/6/2010 Design Information Transmittal from B. Slack to D. Setlur regarding PINGP design engineering.

PROD00019867 1/8/2010 email from B. Slack to S. Ford and others at Xcel regarding CAP actions in HELB at PINGP.

PROD00019868 1/8/2010 email from B. Slack to S. Ford regarding HELB flooding and CAPs at PINGP.

PROD00019869 1/7/2010 email from B. Slack to S. Myers regarding CAPs for HELB at PINGP.

PROD00019870 1/7/2010 email from B. Slack to S. Myers regarding HELB issue.

PROD00019871 Considerations for CC/HELB 95-001 Inspection.

PROD00019872 1/7/2010 email from B. Slack to G. Hostetter regarding equipment function during HELB scenario at PINGP.

PROD00019873 1/6/2010 Design Information Transmittal from B. Slack to D. Setlur regarding PINGP design engineering.

162 Document Number Description PROD00019874 1/4/2010 Design Input Consultation Form from B. Kamowski regarding machinery involved in HELB scenarios at PINGP.

PROD00019875 1/4/2010 email from B. Slack to D. Potter regarding HELB at PINGP.

PROD00019876 2/26/2010 email from B. Slack to A.V. Setlur regarding HELB structural analysis.

PROD00019877 2/24/2010 email from B. Slack to A. V. Setlur regarding structural issues with HELB.

PROD00019878 11/1/2009 Design Review Comment Form regarding engineering at PINGP.

PROD00019879 Document describing study on HELBs.

PROD00019880 Spreadsheet containing list of maintenance issues relating to HELB.

PROD00019881 Summary table of high-energy lines at PINGP.

PROD00019882 Table containing HELB information from PINGP.

PROD00019883 2/15/2010 email from B. Slack to C. Agan and others at Xcel regarding HELB equipment for PINGP.

PROD00019884 Discussion related to whether Component Cooling system is required to be available post-HELB.

PROD00019885 10/30/2009 Operability Recommendation regarding HELB scenarios at PINGP.

PROD00019886 4/21/2010 email from B. Slack to M. Cabiro regarding HELB issues at PINGP.

PROD00019887 5/4/2010 letter from M. Schimmel to NRC containing LER for PINGP.

PROD00019888 4/23/2010 email from B. Slack to S. DiPasquale regarding HELB scenarios at PINGP.

PROD00019889 HELB Licensing Event Basis PROD00019890 4/6/2010 email from B. Slack to D. Setlur regarding work approval at PINGP.

PROD00019891 5/27/2009 letter from A. V. Setlur at AES to B. Slack regarding PINGP HELB licensing and design bases.

PROD00019892 2/26/2010 email from B. Slack to A. V. Setlur regarding HELB conditions at PINGP.

PROD00019893 4/1/2010 RPA for HELB Reconstitution Project.

PROD00019894 3/31/2010 Calculation Signature Sheet for Inputs to Turbine Building for HELB Analysis.

PROD00019895 3/2/2010 GOTHIC Results for Turbine Building after Main Steam HELB Scenarios that cause Flooding PROD00019896 3/9/2010 Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00019897 5/1/2010 e-mail from B. Slack to J. Kivi re: effect of high energy line break on cooling water pumps PROD00019898 6/4/2010 e-mail from B. Slack to C. Koehler re: turbine building circulating water system PROD00019899 6/1/2010 e-mail from B. Slack to C. Koehler re: cooling component and HELB assessment PROD00019900 5/14/2010 e-mail from B. Slack to C. Koehler re: corrective action program tracking PROD00019901 6/2/2009 letter from E. Bird with MPR Associates, Inc. to B. Slack re: turbine building HELB analysis PROD00019902 3/8/2010 NRC Question Response Form re: CL piping system PROD00019903 2/24/2010 e-mail from B. Slack to S. Meyers and others at Xcel re: cooling component and HELB required equipment PROD00019904 2/15/2010 B. Slack discussion paper re: whether the component cooling system is required to be available post-HELB PROD00019905 11/5/2008 NRC Question Response Form re: turbine building component cooling system design PROD00019906 5/29/2010 draft of D. Potter analysis of screening of pipe whip interactions with cooling component piping

163 Document Number Description PROD00019907 5/26/2010 Determination of HELB / Flooding Interactions in the Turbine Building PROD00019908 5/26/2010 Attachment to Turbine Building HELB / Flooding Interactions PROD00019909 5/26/2010 Attachment to Turbine Building HELB / Flooding Interactions PROD00019910 : Summary table of high energy lines with additional information PROD00019911 Summary table of high energy line piping selection PROD00019912 Graphs and data re: Run 31a PROD00019913 4/20/2010 Internal Flood Evaluation for 4/18/2010 Screen Door Closing Event PROD00019914 4/20/2010 Internal Flood Evaluation for 4/18/2010 Screen Door Closing Event PROD00019915 4/20/2010 Design Review Comment Form re: EC16001/Evaluation of HELB Effects from Heater Drain Piping for Significance Determination PROD00019916 3/13/2010 Evaluation of HELB Effects from Heater Drain Piping for Significance Determination PROD00019917 3/22/2010 PINGP Engineering Evaluation re: Evaluation of Bleed Steam Break Peak Temperature for HELB-Flood SDP PROD00019918 2/18/2009 Design Review Comment Form re: EC15657/Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00019919 2/18/2009 Design Review Comment Form re: EC15657/Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00019920 3/20/2010 Calculation Signature Sheet re: GOTHIC Results for Turbine Building After Main Steam HELB Scenarios that Cause Flooding PROD00019921 Design Review Comment Form re: ENG-ME-767/Determination of Habitability Time in Turbine Building after HELB Scenarios that cause Flooding PROD00019922 3/2/2010 PINGP Calculation re: GOTHIC Results for Turbine Building after Main Steam HELB Scenarios that Cause Flooding PROD00019923 3/2/2010 PINGP Calculation re: GOTHIC Results for Turbine Building after Main Steam HELB Scenarios that Cause Flooding PROD00019924 Calculation ENG-ME-767 Attachment 1 Turbine Building HELB/Flooding Instructions PROD00019925 Calculation ENG-ME-767 Attachment 1: Turbine Building HELB/Flooding Interactions PROD00019926 3/2/2010 PINGP Calculation re: GOTHIC Results for Turbine Building After Main Steam HELB Scenarios that Cause Flooding PROD00019927 3/2/2010 PINGP Calculation re: GOTHIC Results for Turbine Building After Main Steam HELB Scenarios that Cause Flooding PROD00019928 Document re: the licensing basis assumption of how close the pipes need to be to assure HELB interaction happens PROD00019929 2/18/2009 Design Review Comment Form re: EC15657/Eval of FW and CD HELB Effects for Sprinkler Initiation for SDP PROD00019930 3.0.3 Retraction

164 Document Number Description PROD00019931 6/1/2010 Calculation Signature Sheet re: Determination of HELB/Flooding Interactions in the Turbine Building PROD00019932 5/26/2010 PINGP Calculation re: Determination of HELB/Flooding Interactions in the Turbine Building PROD00019933 Calculation ENG-ME-732 Attachment 1 Turbine Building HELB/Flooding Interactions PROD00019934 3/2/2010 Gothic Results for Turbine Building After Main Steam HELB Scenarios That Cause Flooding PROD00019935 3/8/2010 B. Slack to J. Ritter and others @ Xcel re: analyses of turbine building high energy line break/flooding issue PROD00019936 HELB/Flooding SDP (Turbine Building Configuration, HELB Results, and Flooding Results)

PROD00019937 PINGP Turbine Building Flooding Analysis Model PROD00019938 PINGP Turbine Building Flooding Analysis Model PROD00019939 PINGP Turbine Building Flooding Analysis Model PROD00019940 PINGP Turbine Building Flooding Analysis Model

1 ATTACHMENT 2 Northern States Power Co.

Prairie Island Nuclear Generating Plant, Units 1 and 2 License Renewal Proceeding Docket Nos. 50-282-LR, 50-306-LR; ASLBP No. 08-871-01-LR Supplemental Proprietary Log for NSPMs Initial Disclosures Regarding Safety Culture Contention (June 25, 2010)

Document Number Date Entity Claiming Protected Status Description PROP00000178 6/5/2003 INPO PINGP's Corrective Action Review Board - CAP to document ACE and CEs for various issues: Boric Acid Leakage, Cooling Water System PROP00000179 3/23/2009 INPO Action Request Record Report - Boric Acid Control, with attachments PROP00000180 12/2/2008 NMC 12/2/08 AT-0175 Action Request Record Report re: Guideline for Damage Mitigation Strategies EDMG-2 Rev 1.

PROP00000181 9/26/2000 Sargent and Lundy 11/29/2007 Calculation Signature Sheet; NMC Calculation (Doc) No:

ENG-ME-170 Revision due to charging pump drive replacement-Temperature in Auxiliary Building as a function of time Starting Page 181 Sargent and Lundy "Calc for Ampacity of Conductors in Wrapped" claims proprietary status for its calculations and summary that ends page 213 PROP00000182 Mar-09 Dominion Engineering, Inc and Xcel Energy 5/11/2009 Engineering Change for Evaluation of effect of borated water leaks on concrete reinforcing bars, and carbon steel plate of the containment at Prairie Island Units 1 and 2 PROP00000183 2/28/1991 Seismic Qualification Utility Group Agenda for SQUG Workshop taking place March 25 and 26, 1996 PROP00000184 1/5/1999 SQUG and EPRI Report of SQUG Winter Meeting on December 14 and 15, 1998 PROP00000185 2/27/1990 EQE Engineering SQUG documents PROP00000186 12/12/2007 PINGP 12/12/07 PINGP EDMG Guideline for Damage Mitigation Strategies PROP00000187 5/5/2008 PINGP 5/5/2008 PINGP EDMG Guideline for Damage Mitigation Strategies PROP00000188 9/8/2008 PINGP 9/8/2008 PINGP EDMG Guideline for Damage Mitigation Strategies PROP00000189 6/1/2007 PINGP 2006 Emergency Planning Procedure/Program Changes, PINGP Drill/Exercise Performance PROP00000190 4/15/2010 PINGP 04/15/10 Emergency Plan Training Program - EOF Walkthrough PROP00000191 1/28/2010 PINGP 01/28/10 Emergency Plan Overview - Training PROP00000192 5/25/2005 Morgan Lewis Counselors at Law Presentation materials re: INPO Supervisor Actions to Enhance Safety Culture.

2 Document Number Date Entity Claiming Protected Status Description PROP00000193 5/17/2010 Xcel Energy 5/17/2010 Modeling expectations and standards re: instructor certification training PROP00000194 12/9/2009 INPO INPO Plant Evaluation Field Notes - Private. Area for Improvement Details Prairie Island November 2009 PROP00000195 May-01 EPRI PWR Materials Reliability Program Interim Alloy 600 Safety Assessments for US PWR Plants (MRP-44) Part 2: Reactor Vessel Top Head Penetrations PROP00000196 Dec-99 INPO Principles for Effective Self-Assessment and Corrective Action Programs PROP00000197 11/11/2002 INPO 11/11/2002 INPO Significant Operating Experience Report PROP00000198 Sep-03 WANO 9/2003 WANO Significant Event Report 2003-6 PROP00000199 9/4/2005 INPO Operational experience evaluation of 1/21/2005 Event at Saint Lucie Plant PROP00000200 Dec-06 INPO Topical Report TR6-56 Work Planning and Preparation PROP00000201 Dec-07 INPO INPO Report: Human Performance Tools for Managers and Supervisors PROP00000202 Jan-08 INPO INPO Performance Improvement Digest: Use of Corrective Action Oversight Boards to Enhance Causal Analysis Quality PROP00000203 Oct-08 INPO INPO Good Practice Engineering Program Guide: Boric Acid Corrosion Control Program (BACCP)

PROP00000204 Sep-05 NMC Evaluation of PINGP - INPO PROP00000205 N/A EDMG EDMG Guideline for Damage Mitigation Strategies at PINGP PROP00000206 N/A Xcel PINGP EAL reference manual PROP00000207 N/A Xcel PINGP Maintenance Procedure: Refuel Cavity Caulking PROP00000208 N/A Xcel PINGP: Business Process Procedure - Boric Acid Corrosion Control Program PROP00000209 N/A Xcel PINGP Surveillance Procedures: Reactor Coolant System Pressure Isolation Check Valve Leakage Test PROP00000210 N/A Xcel PINGP: Surveillance Procedure: 11 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROP00000211 N/A Xcel PINGP: Surveillance Procedure: Reactor Coolant System Integrity Test PROP00000212 N/A Xcel PINGP: Surveillance Procedure: Reactor Coolant System Pressure isolation Check Valve Leakage Test

3 Document Number Date Entity Claiming Protected Status Description PROP00000213 N/A Xcel PINGP: Surveillance Procedure: 22 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROP00000214 N/A Xcel PINGP: System Prestart Checklist: Reactor Coolant System Unit 2 PROP00000215 N/A Xcel PINGP: Surveillance Procedure: 11 Turbine Driven Auxiliary Feedwater Pump Auto Start and Functional Refueling Outage Test PROP00000216 N/A Westinghouse LAR services agreement between Xcel and Westinghouse.

PROP00000217 unknown Westinghouse Evaluation of MUR Impact on Prairie Island Secondary Side Mass/Energy Release Events and SLB Containment Response PROP00000218 unknown Westinghouse Evaluation of Heavy Bundle Fuel Impact on Prairie Island Secondary Side Mass/Energy Release Events and Steamline Break Containment

Response

PROP00000219 5/25/2007 Westinghouse 2007 Westinghouse Evaluation of MUR Impact on Prairie Island Secondary Side Mass/Energy Release Events and SLB Containment Response regarding auxiliary feedwater valve PROP00000220 4/30/2010 Westinghouse 4/30/2010 Request for Input Confirmation for HELB Analysis PROP00000221 5/27/2004 Westinghouse Westinghouse Analysis Transfer Master Data List PROP00000222 5/27/2004 Westinghouse Westinghouse Analysis Transfer Master Data List PROP00000223 N/A Xcel Operability recommendation for PINGP PROP00000224 N/A Xcel Operability recommendation for PINGP PROP00000225 N/A Xcel Operability recommendation for PINGP PROP00000226 N/A Xcel Engineering Manual containing Specification for the Stress Analysis of Piping Systems at PINGP PROP00000227 N/A Xcel NSPM CAP Screen Team Meeting Template PROP00000228 4/30/2010 Westinghouse Request for input Confirmation for HELB analysis PROP00000229 10/16/2000 NMC 10/16/2000 Calculation Sheet: GOTHIC Results for High Energy Line Breaks in the PI Auxiliary Building PROP00000230 9/20/1971 Westinghouse 9/20/1971 Westinghouse specification for pipes and fittings in nuclear power plants PROP00000231 6/4/1969 Westinghouse 6/4/1969 Material Specification-pipe, fittings, and thermal insulation PROP00000232 N/A Westinghouse Appendix B: Automated Engineering Services Corporation Scope PROP00000233 1/18/2010 Xcel 1/18/2010 stress analysis of piping at PINGP PROP00000234 1/18/2010 Xcel 1/18/2010 Stress analysis of piping at PINGP

4 Document Number Date Entity Claiming Protected Status Description PROP00000235 1/11/2010 Xcel 1/11/2010 Design Information Transmittal regarding PINGP design engineering.

PROP00000236 3/2/2010 Xcel 3/2/2010 PINGP Calculation: HELB scenarios that cause flooding.

PROP00000237 N/A Xcel Document listing maintenance issues at PINGP PROP00000238 10/30/2009 Xcel 10/30/2009 Operability Recommendation regarding PINGP and HELB.

PROP00000239 3/26/2010 Xcel 3/26/2010 Calculation Signature Sheet for Turbine Compartment HELB Surface Areas and Flow Paths

1 ATTACHMENT 3 Northern States Power Co.

Prairie Island Nuclear Generating Plant, Units 1 and 2 License Renewal Proceeding Docket Nos. 50-282-LR, 50-306-LR; ASLBP No. 08-871-01-LR Supplemental Privilege Log for NSPMs Initial Disclosures Regarding Safety Culture Contention (June 25, 2010)

Document Number Document Type Date Author/Sender Recipient CC Subject Privilege Asserted1 PRIV00000070 Report April 2-6, 2001 Assessment Team PINGP n/a Mid-Cycle Assessment of Areas for Improvement from January 2000 INPO Evaluation SCA PRIV00000071 Letter 11/14/2008 David Hembree, Engineering &

Configuration Management Michael Wadley T. Allen, H.

Butterworth, D. Koehl, S.

Myers, S.

Northard, M.

Schimmel, H. Coates, C. Goddard Letter with INPO results of visit conducted at PINGP on 11/3-6/2008 SCA 1 SCA=Self-Critical Analysis Privilege