ML102920506

Adverse Condition Investigation Form, CAP-NGGC-0200-3-18

ML102920506
Person / Time
Site:	Crystal River
Issue date:	09/20/2010
From:	- No Known Affiliation
To:	Office of Information Services
References
FOIA/PA-2010-0116
Download: ML102920506 (28)

Text

ATTACHMENT 3 Sheet 1 of 2 ADVERSE CONDITION INVESTIGATION FORM Form CAP-NGGC-0200-3-18 Action Request Number: 256010 Investigator:

Joe A. Lese 1. Adverse Condition Description In conjunction with the 8 th tendon surveillance at CR3, an IWE/IWL inspection of the containment structure was performed.

As detailed in attribute 6A of the subject AR, various findings were documented with regard to the examination of the RB Containment structure.

Typical findings which were noted include concrete popouts, discoloration/staining, abandoned anchors, wood formwork embedments, minor spall areas, ungrouted holes, deterioration of cosmetic grout patches, and exposed tie wires. These conditions have been duly noted and documented and presented to engineering to determine if any repair or augmented monitoring plans should be enacted.2. Investigation Summary Engineering has reviewed each of the notations as presented in attribute 6A (also signed off the corresponding documentation sheet for each item as part of the IWE/IWL inspection) of the subject AR. These items are considered minor in nature and do not adversely affect the overall structural integrity of the RB Containment structure nor prevent it from performing its intended design function.The overall cause can be attributed to normal aging of the containment structure having been exposed to the environment for approximately thirty (30) years. There is no inappropriate act or malfunction of equipment associated with the subject AR.Continued observation of the containment as part of future tendon surveillances/IWE

& IWL inspections and, in conjunction with procedure EGR-NGGC-0351 (Condition Monitoring of Structures), will provide an on-going assessment of the Reactor Building structure in the future. The condition is acceptable as-is with no additional corrective actions required.

Recommend downgrading to a Priority 5 accordingly.

3. Corrective Action Plan ADVERSE CONDITION INVESTIGATION FORM Page 2 of 4 ATTACHMENT 3 Sheet 2 of 2 ADVERSE CONDITION INVESTIGATION FORM Form CAP-NGGC-0200-3-18 ADM-NGGC-0107 Equipment Reliability Form If this NCR is identified as "Equipment Related" and involves an equipment failure, the investigator should consider the following equipment reliability questions to determine the program area(s) that are affected and where corrective action should be taken. A "No" answer identifies a potential need for corrective action. See ADM-NGGC-0107 Attachment 3 for guidance on strategy for equipment reliability corrective actions.Add comments only where needed for clarity. If no failure is evident or the related equipment is Run-to-failure (Zero Tol = R), check the NA block below, enter an appropriate comment, and skip the rest of the form.[ NA -No failure is evident or equipment is Run-to-Failure Comments (if needed): See disposition above.1. Equipment Reference and Classification Link to PERMIT Is the equipment referenced in PassPort at the AR level correct? [:]Y

• Look up the EDB "Zero Tol "classification of the equipment involved in the NCR. Is the Zero Tolerance classification of the component appropriate (See ADM-NGGC-0107)? D-ýY --IN Comments (if needed): 2. Monitoring" Is condition monitoring performed on the system under a System Monitoring Plan per EGR-NGGC-0010 adequate?

DY D-IN DINA o If not performed, should or can it be?o If performed, is the monitoring and threshold for action adequate?* Is predictive maintenance performed on the equipment adequate?

IY DN DNA o If not performed should predictive maintenance tasks be initiated?

o If performed, is the monitoring and threshold for action adequate?Comments (if needed): 3. Preventive Maintenance (PM)* Is PM program adequate?

D]Y DN D--NA o Is a change to PM activities needed to address the failure mode experienced?

o Is the frequency of performance and the scope adequate to ensure component reliability?

o If a deferral was performed, was it appropriate to not effect equipment failure?Comments (if needed): 4. System Strategic Plan* If the failure is attributed to an aging / obsolescence concern, is the System Strategic Plan adequate? (see ADM-NGGC-0108)

D-Y DN [-]NA Comments (if needed): 5. Work Practices" Are the operating procedures and practices appropriate and acceptable?

FlY EDN D-NA* Are the maintenance practices and behaviors appropriate and acceptable?

D1Y RN DNA Comments (if needed): 6. Design Is the design of this component appropriate for the application?

EDY IN Comments (if needed): 7. Parts* Is parts availability and quality adequate?

DY DN Comments (if needed): 8. Operating Experience Review (if preventing problem recurrence is needed).Comments (if needed):

MREV Screening NCR#256010 Page 1 of 6 1. Does the described condition document the failure or degradation of a component or subcomponent in a Maintenance Rule scoped system? Does the condition describe a plant level event or unplanned

/unexpected unavailability?

Yes to either: Continue to Question 2 No to Both: MREV is not needed. Mark the 1 FUNCTIONAL FAILURE attribute with an "N". Document in the 1 FUNCTIONAL FAILURE attribute note why an MREV is not needed. Place "N's" in the remaining required attributes and forward MREV to your Supervisor.

Condition Summary (Optional):

VARIOUS AREAS OF THE RB CONCRETE CONTAINMENT (IWL) ARE DEGRADED.

IN ACCORDANCE WITH ASME SECTION XI, SUBSECTION IWL, THE DESIGNATED REGISTERED PROFESSIONAL ENGINEER SHALL EVALUATE THE EXAMINATION RESULTS AND DETERMINE ANY REPAIR OR AUGMENTED MONITORING PLANS.NEW INDICATIONS OR THOSE WHICH HAVE CHANGED SINCE THE PREVIOUS EXAMINATION PERFORMED IN 2001 HAVE BEEN NOTED: THE DESIGN ENGINEERING REGISTERED PROFESSIONAL ENGINEER HAS PERFORMED A REVIEW OF THE CONDITIONS FOUND AND CONCLUDED THAT NO OPERABILITY ISSUES EXIST NOR IS ANY REWORK OR REPAIRS ANTICIPATED TO BE REQUIRED FOR R15. (SEE ATTRIBUTE 6A FOR A LISTING OF THE INDICATIONS FOUND DURING THE EXAMINATIONS.)

RECOMMEND ASSIGNMENT OF THIS NCR TO DESIGN ENGINEERING, CIVIL/STRUCTURAL.

Since the Reactor Building tendons are within the boundaries of the MX system, the MREV is proceeding to question 2.The condition does NOT describe a plant level event or unplanned

/unexpected unavailability.

2. Review PMG basis and functional failure definition.

Based on the functional failure definition and PMG basis, is this a functional failure?Yes: Mark the 1 FUNCTIONAL FAILURE attribute with a "Y". Identify affected function and PMG in the 1 FUNCTIONAL FAILURE attribute note. Identify all other performance criteria (unavailability, Rx trips, etc.) that this PMG is monitored with. If you did not perform the apparent cause investigation for this failure, you must perform one to ensure the cause /corrective action(s)are sufficient to prevent reoccurrence.

In accordance with CAP-NGGC-0200, NFIR's are not acceptable and a investigation must be performed by the system engineer.

Document the apparent cause information (assignment

1. and due date) in the MREV.Go to Question 3.No: Mark the 1 FUNCTIONAL FAILURE attribute with an "N". Identify the function and PMG reviewed in the 1FUNCTIONAL FAILURE attribute note. Using the MREV Screening NCR# 256010 Page 2 of 6 functional failure definition or PMG basis, clearly identify why the condition is not a functional failure. List all other performance criteria for this PMG.Go to Question 4.1 FUNCTIONAL FAILURE: E]Y EN Note Text: There are five Performance Monitoring Groups (PMGs) for the MX system: MXF1 Integrity of structures which house equipment vital to monitoring containment integrity MXF2 Integrity of structures which house equipment vital to safe shutdown of the reactor.MXF3 Integrity of structures for equipment containing significant quantities of radioactive material MXF4 Provide water tight barrier in the event of a flood MXF5 The documentation of an unacceptable condition as defined in EGR NGGC 0351 Of these groups, the pertinent ones to consider here are PMG function pertinent to this condition is: MXF1 Integrity of structures which house equipment vital to monitoring containment integrity.

It is explained in the Performance Criteria that "For this function, then, a functional failure would be damage or degradation of sufficient severity to prohibit the structure from protecting equipment vital to monitoring containment integrity." Since the design engineering registered professional engineer has performed a review of the conditions found and concluded that no operability issues exist nor is any rework or repairs anticipated; this NCR does not document damage or degradation, as further explained in the attributes.

Thus, this condition is not a functional failure under this criterion.

MXF2 Integrity of structures which house equipment vital to safe shutdown of the reactor. It is explained in the Performance Criteria that "For this function, then, a functional failure would be damage or degradation of sufficient severity to prohibit the structure from protecting equipment vital to safe shutdown of the reactor." Since the design engineering registered professional engineer has performed a review of the conditions found and concluded that no operability issues exist nor is any rework or repairs anticipated, this NCR does not document damage or degradation, as further explained in the attributes.

Thus, this condition is not a functional failure under this criterion.

MXF3 Integrity of structures for equipment containing significant quantities of radioactive material.

It is explained in the Performance Criteria that "For this function, then, a functional failure would be damage or degradation of sufficient severity to prohibit the structure from protecting equipment containing significant quantitiies of radioactive materials." Since the design engineering registered professional engineer has performed a review of the conditions found and concluded that no operability issues exist nor is any rework or repairs anticipated, this NCR does not document damage or degradation, as further explained in the attributes.

Thus, this condition is not a functional failure under this criterion.

Therefore, this condition is not a functional failure.

MREV Screening NCR# 256010 Page 3 of 6 3. Is this a repetitive Maintenance Rule functional failure? Review historical data for the past 3 years to identify if there are any functional failures of the same component type (same manufacturer and model number) that have failed due to the same cause.Yes: Mark the 2 REPETITIVE FF attribute with a "Y" and identify the repetitive FF in the 2 REPETITIVE FF attribute note.Go to Question 4.No: Mark the 2 REPETITIVE FF attribute with an "N" and document search details in the 2 REPETITIVE FF attribute note.Go to Question 4.2 REPETITIVE FF: [-]Y F-N Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered 4. Is the affected PMG monitored by other criteria?Unavailability:

Go to 5 Rx. Trips: Go to 6 Safety Sys Acts: Go to 7 Unplanned Mw loss: Go to 8 No, AND the condition IS a functional failure: Go to 9 No, AND the condition IS NOT a functional failure: Place "N's" for the above attributes, and forward to Supervision for approval.No, AND the condition IS NOT a functional failure.5. Did this condition result in exceeded unavailability?

Yes: Mark the 3 UNAVAILABILITY attribute with a "Y" and provide details in the 3 UNAVAILABILITY attribute note.No: Mark the 3 UNAVAILABILITY attribute with an "N" and provide details about the unavailability in the 3 UNAVAILABILITY attribute note.3 UNAVAILABILITY:

[]Y -1N Note Text:

MREV Screening NCR# 256010 Page 4 of 6 This is the box where the text can be entered. Note that the box grows as more text is entered.In EITHER case, if plant level criteria are not monitored, place "N's" in the 4A, 4B, and 4C attributes, and go to Question 9, otherwise go to Question 6.6. Did this condition cause a reactor trip?Yes: Mark 4A RX TRIP Attribute with a "Y" and provide details in the 4A RX TRIP attribute note.No: Mark 4A RX TRIP Attribute with an "N" and provide explanation in the 4A RX TRIP attribute note.4A RX TRIP: ElY [-EN Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered.IF safety system actuations are monitored, go to Question 7.ELSE, place an "N" in the 4B SAFETY SYS ACTUAT, AND go to Question 8.7. Did this condition cause safety system actuation?

Yes: Mark 4B SAFETY SYS ACTUAT Attribute with a "Y" and provide details in the 4B SAFETY SYS ACTUAT attribute note.No: Mark 4B SAFETY SYS ACTUATAttribute with an "N" and provide explanation in the 4B SAFETY SYS ACTUAT attribute note.4B SAFETY SYS ACTUAT: []Y FIN Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered.IF unplanned megawatt losses are monitored, go to Question 8.ELSE, place an "N" in the 4C UNPLANNED CAP LOS, AND go to Question 9.8. Did the condition cause an unplanned power reduction as reportable to the MicroGads System (Thermal Performance)

Yes: Mark 4C UNPLANNED CAP LOS Attribute with a "Y" and provide MW hours lost and total hours remaining in the 4C UNPLANNED CAP LOS attribute note.No: Mark 4C UNPLANNED CAP LOS Attribute with an "N" and provide explanation in the 4C UNPLANNED CAP LOS attribute note.

MREV Screening NCR# 256010 Page 5 of 6 4C UNPLANNED CAP LOS: Ely r-IN Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered.9. Have any performance criteria been exceeded?

This attribute is required if a functional failure, repetitive functional failure, any unavailability, or a plant level event occurred.Yes: Mark the 5 PERF CRIT EXCEEDED Attribute with a "Y" and provide details in the 5 PERF CRIT EXCEEDED attribute note.No: Mark the 5 PERF CRIT EXCEEDED Attribute with an "N" and provide explanation in the attribute note.5 PERF CRIT EXCEEDED:

ElY FIN Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered. Amazing! BTW, Try not to nuke the box.10.If any performance criteria have been exceeded or a repetitive functional failure has been identified, has an NCR to perform a significant adverse condition investigation been initiated?

Yes: Mark the 7A PRI 1 NCR REQ Attribute with a "Y" and provide NCR number in the attribute note.No: Initiate one, mark the 7A PRI 1 NCR REQ attribute with an "Y" and provide NCR number in the attribute note.NA: Mark the 7A PRI 1 NCR REQ attribute note with an "N" and proceed to 11.7A PRI 1 NCR REQ: rlY [IN [IN/A Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered. Amazing! BTW, Try not to nuke the box.11. Does this condition require a log entry in the Maintenance Rule database?

This attribute is required to be marked with a "Y" if a functional failure, repetitive functional failure, any unavailability, or a plant level event occurred.

Otherwise all other log entries are optional, and you may mark the 6 attribute with an "N" and submit MREV for approval.

MREV Screening NCR# 256010 Page 6 of 6 Yes: Make a log entry in the MR database, mark attribute 6 MR DATABASE ENTRY REQ with a "Y" and submit MREV for approval.6 MR DATABASE ENTRY REQ: -1Y DýN Note Text: This is the box where the text can be entered. Note that the box grows as more text is entered. Amazing! BTW, Try not to nuke the box.

Page 1 Printed: 10/23/09 ACTION REQUEST 00256010 Type : NCR Orig Date: 11/23/07 13:09 Discovery Date: Subject : VARIOUS AREAS OF THE RB CONCRETE.CONTAINMENT ARE DEGRADED Description VARIOUS AREAS OF THE RB CONCRETE CONTAINMENT (IWL) ARE DEGRADED.

IN ACCORDANCE WITH ASME SECTION XI, SUBSECTION IWL, THE DESIGNATED REGISTERED PROFESSIONAL ENGINEER SHALL EVALUATE THE EXAMINATION RESULTS AND DETERMINE ANY REPAIR OR AUGMENTED MONITORING PLANS. NEW INDICATIONS OR THOSE WHICH HAVE CHANGED SINCE THE PREVIOUS EXAMINATION PERFORMED IN 2001 HAVE BEEN NOTED: THE DESIGN ENGINEERING REGISTERED PROFESSIONAL ENGINEER HAS PERFORMED A REVIEW OF THE CONDITIONS FOUND AND CONCLUDED THAT NO OPERABILITY ISSUES EXIST NOR IS ANY REWORK OR REPAIRS ANTICIPATED TO BE REQUIRED FOR R15. (SEE ATTRIBUTE 6A FOR A LISTING OF THE INDICATIONS FOUND DURING THE EXAMINATIONS.)

RECOMMEND ASSIGNMENT OF THIS NCR TO DESIGN ENGINEERING, CIVIL/STRUCTURAL.

Priority : 5 Report To Status: COMPLETE 01/03/08 Due Date : 11/23/08 Event Date Originator

PORTMR Originator Group: Facility : CR3 Department

498 Organization:

Owed To : Owed To Group : ESSDUEVAL Owed To Fac: CR3 Department

Discipline AR Status History Updated Date Updated By AR Status AR Due Date 11/23/07 PORTMR INPROG 11/23/07 PORTMR H/APPR 11/24/07 ESTEPD 11/23/08 11/24/07 ESTEPD PRE-APRV 11/24/07 ESTEPD APPROVED 01/03/08 LOEHRM COMPLETE Page : 2 Printed: 10/23/09 ACTION REQUEST 00256010 Request Attribute Value Reqd Date 1A POT'L OPER/REPORT N Y 11/23/07 Name : RICHARD PORTMANN Request Attribute Value Reqd Date lB EQUIPMENT RELATED Y Y 11/23/07 Name : RICHARD PORTMANN Request Attribute Value Reqd Date 2 SUPERVISOR REVIEW N Name Request Attribute Value Reqd Date 2A CR VALID? Y Y 11/24/07 Name : TIMOTHY HOWARD Request Attribute Value Reqd Date 2B FURTHER INVN REQD Y Y 11/24/07 Name : TIMOTHY HOWARD CAP-NGGC-0200 is the official document for NCR processing.

Include the following information to process this NCR as no further investigation required.

Delete unused sections of template.Note: Additional guidance for equipment related events may be found in ADM-NGGC-0107 Priority 2 Inappropriate Act statement or equipment malfunction Work Group involved in the inappropriate act. If IA committed by vendor, name the vendor.Apparent Cause and recommended cause code (reference CAP-NGGC-0206).

Completed or planned Corrective Action (CORR) to correct the Adverse Condition.

Include assignee and due date to be complete or date action was completed (state if complete).

Include adequate detail to ensure traceability." Completed or planned Corrective Action (CORR) to correct the Apparent Cause. Include assignee and due date to be complete or date action was completed (state if complete).

Include adequate detail to ensure traceability." Additional Actions (ENHN) if needed o recommended assignee o recommended due date Priority 3". Completed or Planned Corrective Actions Low Risk (CORL) to correct the Adverse Condition.

Include assignee and due date to be complete or date action was completed (state if complete).

Include adequate detail to ensure traceability.

T Additional Actions (ENHN) if needed o recommended assignee o recommended due date Priority 5 -No adverse condition exists"1 Completed or planned Enhancements (ENHN) to address the Improvement.

Include assignee and due date to be complete or date action was completed (state if complete).

Include adequate detail to ensure traceability." Additional Actions (ENHN) if needed o recommended assignee Page 3 Printed: 10/23/09 ACTION REQUEST 00256010 0 recommended due date Request Attribute 2C RECOMMENDED OWNER Name : TIMOTHY Value DESIGN HOWARD Request Attribute Value 2D OPER/REPORT ISSUE N Name : TIMOTHY HOWARD Request Attribute 2DIEQUIPMENT RELATED Name : TIMOTHY Request Attribute 2E MAINT RULE APPLIC Name : TIMOTHY Request Attribute 2F SYSTEM Name : TIMOTHY Request Attribute 3 OPERATIONS REVIEW Name : Request Attribute 3A IMMED REPT ISSUE Name : Request Attribute 3B OCR Value Y HOWARD Value Y HOWARD Value RB HOWARD Reqd Date N 11/24/07 Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Reqd Date N 11/24/07 Reqd Date Y 11/24/07 Value Value Reqd N Reqd N Reqd N Date Date Date Value Name : Request Attribute 3B1 OPER ISSUE Name : Value Reqd N Reqd N Date Request Attribute 3B2 REPORT ISSUE Name : Request Attribute 3B3 REW Name : Request Attribute 3B4 DEG/NCON Value Date Value Reqd N Date Value Reqd Date Name :

Page 4 Printed: 10/23/09 ACTION REQUEST 002S6010 Request Attribute 3C TRACKING NUMBER Value Name : Reqd N Reqd N Date Request Attribute 4 REG AFF REVIEW Name : Value Date Request Attribute Value 4A OPER/REPORT ISSUE N Name : DAVID ROTHF ROCK Request Attribute 4A1 OPER ISSUE Name : DAVID Request Attribute 4A2 REPORT ISSUE Name : DAVID Request Attribute 4A3 REW Name : DAVID Request Attribute 4A4 DEG/NCON Value N ROTHROCK Value N ROTHROCK Value N ROTHROCK Value N ROTHROCK Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Reqd Date 11/24/07 Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Reqd Date Y 11/24/07 Name : DAVID Request Attribute Value 4B FOLLOWUP ASG REQD N Name : DAVID ROTHROCK Request Attribute Value 4C T. SPEC VIOLATION N Name : DAVID ROTHROCK Request Attribute 4D ADD'L REPORT REQD Name : DAVID Request Attribute 4E PNSC/CSERB REQD Name : DAVID Request Attribute 5 CLASSIFN/ASSIGNMNT Name : Value N ROTHROCK Value N ROTHROCK Value Reqd N Date Page 5 Printed: 10/23/09 ACTION REQUEST 00256010 Request Attribute Value Reqd Date 5A CR VALID? Y Y 11/24/07 Name : DEANNA ESTEP Request Attribute Value Reqd Date SB FURTHER INVN REQD Y Y 11/24/07 Name : DEANNA ESTEP Request Attribute Value -Reqd Date 6 MISCELLANEOUS N Name Request Attribute Value Reqd Date 6A COMMENTS RB (IWL) INDICATIONS N 11/23/07 Name : RICHARD PORTMANN Various Areas of the RB Concrete Containment (IWL) are degraded.New indications or those which have changed since the previous examination performed in 2001 are noted below: VT-IC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0001, REV.0 ITEM # 1 (REFERENCE PAGE 1, CONDITION

9) -APPROXIMATE ELEVATION 119', APPROXIMATE AZMUTH 190?, 25' X 4" RUST STAIN (SEE VT-3C REPORT VT-07-097)

VT-IC DETERMINED STAIN WAS DUE TO PREVIOUS SPILLAGE, NO DEGRADATION TO CONCRETE.ITEM # 2 (REFERENCE PAGE 1, CONDITION

10) -APPROXIMATE ELEVATION 119', APPROXIMATE AZMUTH 235?, 17' X 3T" GREASE AND RUST STAIN (SEE VT-3C REPORT VT-07-097)

VT-IC DETERMINED DISCOLORATION WAS GREASE/RUST, NO DEGRADATION TO CONCRETE.ITEM # 3 (REFERENCE PAGE 1, CONDITION

7) -APPROXIMATE ELEVATION 102', APPROXIMATE AZMUTH 245?, POPOUT, 2 1/2" X 2 1/2" X 1". (SEE VT-3C REPORT VT-07-097)

ITEM # 4 (REFERENCE PAGE 1, CONDITION

10) -APPROXIMATE ELEVATION 118', APPROXIMATE AZMUTH 295?, VT-IC DETERMINED DISCOLORATION WAS OIL/GREASE (SEE VT-3C REPORT VT-07-097)

DUE TO COVER LEAKAGE/PREVIOUS SPILLAGE, NO DEGRADATION TO CONCRETE.VT-IC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0002, REV.0 Item #1 (Reference Page 1 -Condition 17): Approximate Elevation 98'.Approximate Azimuth 345 Degrees. 8" L X 4" W X 1 1/4" D void area. (See VT-3C Report 07-098).Item #2 (Reference Page 1 -Condition 10): Approximate Elevation 119'.Approximate Azimuth 55 Degrees. 14' L X 24" W white discoloration area.(See VT-3C Report 07-098).VT-IC determined that discoloration was due to previous spillage.

No degradation to concrete surface identified.

Item #3 (Reference Page 1 -Condition 09): Approximate Elevation 119'.Approximate Azimuth 05 Degrees. 14' L X 24" W dark discoloration area.(See VT-3C Report 07-098).VT-lC determined that discoloration was oil/grease due to tendon cover leakage/previous spillage.

No degradation to concrete surface identified.

Note: this condition is typical for all buttress surfaces.

RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photos\2007 RI5 IWL Photos\IMJ 0049.jpg.Item #4 (Reference Page 1 -Condition 08): Approximate Elevation 99'Approximate Azimuth 45 Degrees. 18" L X 4" W X 1" D deflection area. (See VT-3C Report 07-098). VT-IC determined that this condition is probably due to form slippage during initial construction.

Tap testing indicated presence of sound concrete beyond 1" from the edge.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photos\2007 RI5 IWL Page 6 Printed: 10/23/09 ACTION REQUEST 00256010 Photos\IMJ 0054.jpg.VT-IC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0003, REV. 0 Item #1 (Reference Page 1 -Condition 22): Approximate Elevation 117'.Approximate Azimuth 80 Degrees. Two (2) -24" L X ?" Diameter.

threaded rods protruding. (See VT-3C Report VT-07-099).

VT-lC determined light corrosion of rods and no degradation to concrete surface.Item #2 (Reference Page 1 -Condition 22): Approximate Elevation 117'.Approximate Azimuth 100 Degrees. One (1) -?" Dia. Braided grounding cable protruding. (See VT-3C Report VT-07-099)

.VT-IC determined no degradation to concrete surface.Item #3 (Reference Page 1 -Condition 04): Approximate Elevation 114'.Approximate Azimuth 110 Degrees. 6" L X 4" W X 1-1/4" Deep honeycombed area. (See VT-3C Report VT-07-099)

.VT-IC determined that there is no rust staining, exposed rebar, or additional degradation to the concrete surface identified.

RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photos\2007 R15 IWL Photos\VT-07-130-l.jpg.

Item #4 (Reference Page 1 -Condition 22): Approximate Elevation 117'.Approximate Azimuth 140 Degrees. Multiple abandoned anchor and embedded wire locations. (See VT-3C Report VT-07-099)

.VT-IC determined that there is no rust staining or additional degradation to the concrete surface.Item #5 (Reference Page 1 -Condition 07): Approximate Elevation 117'.Approximate Azimuth 150 Degrees. Four (4) popout locations each -3" Diameter and -?" Deep. (See VT-3C Report VT-07-099).

VT-IC determined that these popouts probably resulted from extraction of embedded anchors.No rust staining or exposed rebar was identified in these areas.Item #6 (Reference Page 1 -Condition 22): Approximate Elevation 105'.Approximate Azimuth 120 Degrees. 18" L X ?" W wood embedment in concrete.Located at center vertical joint of Buttress #3. (See VT-3C Report VT-07-099)

.VT-IC determined that this condition resulted from failure to totally remove a forming strip during construction.

No concrete degradation was identified.

Item #7 (Reference Page 1 -Condition 09): Approximate Elevation 100'.Approximate Azimuth 150 Degrees. Staining of concrete. (See VT-3C Report VT-07-099).

VT-lC determined that a 10' L crack (<.040") exists and that a fluid suspected to be grease or oil is seeping from the crack. Paint has partially delaminated at this location.

The substance was wiped off and re-emerged.

There is a small puddle of the fluid on the floor at this location.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photos\2007 R15 IWL Photos\ VT-07-130-1, VT-07-130-2, VT-07-130-3

& VT-07-130-4.jpg.

VT-IC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0005, REV. 0 Item #1 (Reference Page 1 -Condition 09): Staining. (See VT-3C Report VT-07-101).

VT-IC determined that the stains are as a result of previous spillage from above (143' elevation).

No additional degradation to the concrete surface was noted.VT-IC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0006, REV. 0 ITEM #1 (REFERENCE PAGE 1 -CONDITION

1) APPROXIMATE ELEVATION

= 139';APPROXIMATE AZIMUTH = 75?. SPALL 5 ?" X 5 ?" (SEE VT-3C REPORT VT-07-102).

VT-IC DETERMINED THE SPALL WAS AROUND A FORM TIE HOLE.ITEM #2 (REFERENCE PAGE 1 -CONDITION

1) APPROXIMATE ELEVATION

= 137';APPROXIMATE AZIMUTH = 75?. SPALL 8" X 4" (SEE VT-3C REPORT VT-07-102).

VT-IC DETERMINED THE SPALL WAS AROUND A FORM TIE HOLE.ITEM #3 (REFERENCE PAGE 1 -CONDITION

7) APPROXIMATE ELEVATION

= 135';APPROXIMATE AZIMUTH = 75?. POPOUT 4" X 3" X 1" (SEE VT-3C REPORT VT-07-102)

.VT-IC DETERMINED THE POPOUT WAS A FORM TIE HOLE.ITEM #4 (REFERENCE PAGE 1 -CONDITION

7) APPROXIAMTE ELEVATION

= 132';APPROXIAMTE AZIMUTH = 75?. POPOUT 4" X 3" X 1" (SEE VT-3C REPORT VT-07-102)

.VT-IC DETERMINED THE POPOUT WAS A FORM TIE HOLE.ITEM #5 (REFERENCE PAGE 1 -CONDITION

1) APPROXIMATE ELEVATION

= 141';APPROXIMATE AZIMUTH = 75?. SPALL 6" X 5.5" (SEE VT-3C REPORT VT-07-102).

VT-IC DETERMINED THE SPALL WAS AROUND A FORM TIE HOLE.

Page 7 Printed: 10/23/09 ACTION REQUEST 00256010 ITEM #6 (REFERENCE PAGE 1 -CONDITION

10) APPROXIMATE ELEVATION

= 149', APPROXIMATE AZIMUTH = 65?. DISCOLORATION 30' X 3' (SEE VT-3C REPORT).VT-IC DETERMINED DISCOLORATION WAS OIL / GREASE DUE TO COVER LEAKAGE /PERVIOUS SPILLAGE.

NO DEGRADATION TO CONCRETE.VT-IC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0008, REV. 0 ITEM # 1 (REF PAGE 1 CONDITION

1. 9) : STAINING -FLUID LEAKED FROM 167'DOWN TO 143' ELEVATION.

NO DEGRADATION TO CONCRETE NOTED. AREA IS APPROXIMATELY 12' STARTING APPROXIMATELY 18' FROM BUTRESS # 5 SEE PICTURE VT-07-300-1.jpg (SEE VT-IC REPORT VT-07-104)

ITEM # 2 (REF PAGE 1 CONDITION

1. 3) : DELAMINATION

-NOTED ON WALL 3' FROM FLOOR 2 1/4" L x 3/4" W x 1/16" D. SEE PICTURE VT-07-300-2.jpg

&VT-07-300-3.jpg (SEE VT-IC REPORT VT-07-104)

ITEM # 3 (REF PAGE 1 CONDITION

1. 9) : STAINING -FLUID LEAKED FROM 167'DOWN TO 143' ELEVATION.

NO DEGRADATION TO CONCRETE NOTED. AREA IS APPROXIMATELY 15' STARTING APPROXIMATELY 12' FROM BUTTRESS # 6 SEE PICTURE VT-07-300-4.jpg, VT-07-300-S.jpg

& VT-07-300-6.jpg (SEE VT-lC REPORT VT-07-104)

ITEM # 4 (REF PAGE 1 CONDITION

1. 9) : STAINING -WHITE SUBSTANCE ON WALL THROUGH OUT AREA. SEE PICTURE VT-07-300-7.jpg (SEE VT-IC REPORT VT-07-104)

VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0009, REV. 0 Item #1 (Reference Page 1 -Condition 22): Approximate Elevation 177'.Approximate Azimuth 270 Degrees. Abandoned anchor locations. (See VT-3C Report VT-07-105).

VT-lC determined two (2) locations where anchor bolt holes were not ýrouted. No additional degradation of the concrete surface was identified.

Item #2 (Reference Page 1 -Condition 22): Approximate Elevation 185'Approximate Azimuth 285 Degrees. Degraded coatings. (See VT-3C Report VT-.07-105).

VT-lC determined Delamination of the paint from the concrete surface. There was no underlying degradation of the concrete surface.VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0010, REV. 0 Item #1 (Reference Page 1 -Condition 16): 2-1/2"L X 3" W X 1" Deep: Displacement of cosmetic grout patch over previously existing popout. (See VT-3C Report VT-07-106)

.VT-lC determined that there is no rust staining, exposed rebar, or additional degradation to the concrete surface.Item #2 (Reference Page 1 -Condition 22): Wood embedment in concrete.Nail embedment in concrete. (See VT-3C Report VT-07-106)

.VT-lC determined that this condition likely resulted from plywood lamination transfer onto the concrete surface, and face of Buttress #4 above the uppermost grease cap. Three (3) nails were also noted. Note: Three (3) metal clips are also located in this area and appear to have been used as lifting/rigging points. No concrete degradation was identified.

Item #3 (Reference Page 1 -Condition 22): Nail embedment in concrete.(See VT-3C Report VT-07-106).

Nails are -12" below the horizontal concrete joint and every 12" -18" between Buttress #4 and Buttress #5. There are a total of -30 nails.VT-lC determined that there is no additional degradation to the concrete surface.Item #4 (Reference Page 1 -Condition 02, 16): 32'L X 3/4" W (maximum)

X<1/2" Deep (maximum):

Cracking, deterioration of cosmetic grout patch.(See VT-3C Report VT-07-106)

.VT-IC determined that this was a probable cold joint location.

The discontinuity extends from Buttress #4 to Buttress #5. No exposed rebar or wire was identified.

RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\VT-07-288-l.jpg.

Item #5 (Reference Page 1 -Condition 02, 16): -8'L X 1" W (maximum)

X 1/2" Deep (maximum):

Cracking, deterioration of cosmetic grout patch. (See VT-3C Report VT-07-106)

.VT-lC determined that this discontinuity which extends from Buttress #4, exhibits no exposed rebar or wire.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 RI5 IWL Photo\ VT-07-288-2.jpg.

Item #6 (Reference Page 1 -Condition 02, 16): 18"L X 3/16" W X <1/2" Deep and 12"L X 3/16" W X <1/2" Deep: Cracking, deterioration of two (2)

Page 8 Printed: 10/23/09 ACTION REQUEST 00256010 cosmetic grout patch. (See VT-3C Report VT-07-106)

.VT-IC determined that this discontinuity which extends from Buttress #4, exhibits no exposed rebar or wire. Isolated nails, however, were noted.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 RI5 IWL Photo\VT-07-288-3.jpg.

Item #7 (Reference Page 1 -Condition

22) : Other (Exposed tie wire in concrete). (See VT-3C Report VT-07-106)

.VT-IC determined no additional degradation to the concrete.Item #8 (Reference Page 1 -Condition 02, 16): 16"L X 3/16" W X <1/2" Deep: Cracking, deterioration of two (2) cosmetic grout patches. (See VT-3C Report VT-07-106)

.VT-lC determined that no exposed rebar or wire was identified.

Item #9 (Reference Page 1 -Condition 22): Nail embedment in concrete.(See VT-3C Report VT-07-106)

.VT-IC determined that there is no additional degradation to the concrete surface.Item #10 (Reference Page 1 -Condition 03): 30"L X 8" W (maximum)

X 3/16" Deep (maximum):

Delamination. (See VT-3C Report VT-07-106).

VT-IC determined that no exposed rebar or wire was identified.

Item #11 (Reference Page 1 -Condition 02, 16): 12"L X 3/16" W X <1/2" Deep: Cracking, deterioration of two (2) cosmetic grout patches. (See VT-3C Report VT-07-106)

.VT-IC determined that no exposed rebar or wire was identified.

Item #12 (Reference Page 1 -Condition 22): Exposed tie wires in concrete.(See VT-3C Report VT-07-106)

.VT-IC determined that there is no additional degradation to the concrete surface.Item #13 (Reference Page 1 -Condition 01): 12"L X 18" W (maximum)

X 1" Deep (maximum):

Spall. (See VT-3C Report VT-07-106)

.VT-lC determined that this area is within 6" of a vertical joint. No exposed rebar or wire was identified.

Item #14 (Reference Page 1 -Condition 02, 16): 24"L X 1/2" W (maximum)

X<1/2" Deep (maximum);

and 14"L X 1/2" W (maximum)

X <1/2" Deep (maximum);

and 18"L X 1/2" W (maximum)

X <1/2" Deep (maximum):

Cracking, deterioration of three (3) cosmetic grout patches. (See VT-3C Report VT-07-106)

.VT-IC determined that no exposed rebar or wire was identified.

Item #15 (Reference Page 1 -Condition 02, 16): 12"L X 3/4" W X 1/2" Deep: Cracking, deterioration of cosmetic grout patches. (See VT-3C Report VT-07-106).

VT-IC determined that no exposed rebar or wire was identified.

Item #16 (Reference Page 1 -Condition 22): Wood embedment in concrete.(See VT-3C Report VT-07-106)

.VT-IC determined that no concrete degradation was identified.

Item #17 (Reference Page 1 -Condition 22): Wood embedment in concrete.(See VT-3C Report VT-07-106)

.VT-IC determined that no concrete degradation was identified.

Item #18 (Reference Page 1 -Condition 22): Nail and metal embedment in concrete. (See VT-3C Report VT-07-106)

.VT-IC determined that there is no additional degradation to the concrete surface.Item #19 (Reference Page 1 -Condition 22): Nail embedment in concrete.(See VT-3C Report VT-07-106)

.VT-IC determined that there is no additional degradation to the concrete surface.Item #20 (Reference Page 1 -Condition 02, 16): 12"L X 5/8" W (maximum)

X<1/2" Deep (maximum);

and 18"L X 1" W (maximum)

X 3/4" Deep (maximum);

and 8'L X 1/2" W (maximum)

X 1/2" Deep (maximum):

Cracking, deterioration of cosmetic grout patches. (three (3) areas). (See VT-3C Report VT-07-106).

VT-IC determined that no exposed rebar or wire was identified.

Item #21 (Reference Page 1 -Condition 02): 12"L X 1/16" W X <1/32" Deep: Crack. (See VT-3C Report VT-07-106).

VT-lC determined that no exposed rebar or wire was identified.

Item #22 (Reference Page 1 -Condition 22): Exposed tie wires in concrete.(See VT-3C Report VT-07-106)

.VT-IC determined that there is no additional degradation to the concrete surface.Item #23 (Reference Page 1 -Condition

01) : 101L X 2" W (maximum)

X 1/2" Deep (maximum):

Spall. (See VT-3C Report VT-07-106)

.VT-IC determined that Page 9 Printed: 10/23/09 ACTION REQUEST 00256010 this area is within 6" of a vertical joint. No exposed rebar or wire was identified.

Item #24 (Reference Page 1 -Condition 22): Exposed tie wires in concrete.(See VT-3C Report VT-07-106)

VT-lC determined that there is no additional degradation to the concrete surface.Item #25 (Reference Page 1 -Condition 09): Staining. (See VT-3C Report VT-07-106)

.VT-IC determined that there are numerous minor tendon grease leaks at various tendon cap locations.

Additionally, previous tendon grease spills are obvious; most notably on Buttress #5 and on the vent duct structure and supports.

No additional degradation to the concrete surface was noted.Item #26 (Reference Page 1 -Condition 22): Embedded boxes in concrete.(See VT-3C Report VT-07-106)

.VT-lC determined that there is no degradation to surrounding concrete.VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0011, REV. 0 Item #1 (Reference Page 1 -Condition 16): 3' L x 1" W x 1/4" D, cosmetic patch bond and exposed wire. (See VT-3C Report VT-07-107)

Item #2 (Reference Page 1 -Condition 16): 2" L x 1/4" W, cosmetic patch bond and exposed wire. (See VT-3C Report VT-07-107)

Item #3 (Reference Page 1 -Condition 22): 2" long exposed wire. (See VT-3C Report VT-07-107).

Item #4 (Reference Page 1 -Condition 2): tendon service cracking, tendons# 10 thru # 21, 12" L x 1/161W (See VT-3C Report VT-07-107)

Item #5 (Reference Page 1 -Condition 22): 1" long exposed wire (See VT-3C Report VT-07-107).

Item #6 (Reference Page 1 -Condition 22): 3" long exposed wire. (See VT-3C Report VT-07-107).

Item #7 (Reference Page 1 -Condition 16): 3' L x 3/4" W x 1/4" D cosmetic patch bond and exposed wire.. (See VT-3C Report VT-07-107).

Item #8 (Reference Page 1 -Condition 7): 3' L x 1 1/2" W x 1" D, Popout from grouted area. (See VT-3C Report VT-07-107)

Item #9 (Reference Page 1 -Condition 1): 12' L x 7" W x 2 1/2" D, spalling. (See VT-3C Report VT-07-107)

Item #10 (Reference Page 1 -Condition 16): 40' L x 1/2" W x 3/4" D, cosmetic patch bond. (See VT-3C Report VT-07-107)

Item #11 (Reference Page 1 -Condition 2): 8' L x 1/16" W, tendon service cracking. (See VT-3C Report VT-07-107)

Item #12 (Reference Page 1 -Condition

1) : 19' L x 12" W x 1" D, spalling.(See VT-3C Report VT-07-107)

VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0012, REV. 0 ITEM 1 -(REFERENCE PAGE 1 -CONDITION

16) 1" X 8" GREASE LEAK COMING FROM COSMETIC PATCH BOND THAT RUNS FROM BUTT 6 TO BUTT 1. (SEE VT-3C REPORT VT-07-230)

VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0013, REV. 0 ITEM 1 -(REFERENCE PAGE 1 -CONDITION

1) SPALL 13" X 5" (SEE VT-3C REPORT VT-07-109).

ITEM 2 -(REFERENCE PAGE 1 -CONDITION

1) SPALL 14" X 6" (SEE VT-3C REPORT VT-07-109).

VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0014, REV. 0 ITEM 1 -(REFERENCE PAGE 1 -CONDITION

7) POPOUT 3" X 4" X 1" (SEE VT-3C REPORT 07-110)ITEM 2 -(REFERENCE PAGE 1 -CONDITION

1) SPALL 13" X 8" (SEE VT-3C REPORT 07-110)ITEM 3 -(REFERENCE PAGE 1 -CONDITION

1) SPALL 29" X 12" (SEE VT-3C REPORT 07-110)ITEM 4 -(REFERENCE PAGE 1 -CONDITION

1) SPALL 27" X 6" (SEE VT-3C REPORT 07-110)VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0015, REV. 0 Item #1 (Reference Page 1 -Condition

01) : 9"L X 6" W (maximum)

X 1/2" Deep (maximum):

Spall. (See VT-3C Report VT-07-111)

.VT-lC determined no exposed rebar or wire.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Page 10 Printed: 10/23/09 ACTION REQUEST 00256010 Photo\VT-07-289-l.jpg.

Item #2 (Reference Page 1 -Condition 12, 22): Reinforcing bar corrosion.

Other -wood embedment in concrete, nail embedment in concrete. (See VT-3C Report VT-07-111).

VT-IC determined that two (2) exposed rebars exhibit medium corrosion with no wastage. Wood embedment likely resulted from plywood lamination transfer onto the concrete surface (10" X 18" area).Three (3) nails were also noted. Note: Five (5) epoxy coated exposed are also located in this area.Item #3 (Reference Page 1 -Condition 22): Other -Nail embedment in concrete, exposed tie wire in concrete. (See VT-3C Report VT-07-111).

VT-lC determined no additional degradation to the concrete.Item #4 (Reference Page 1 -Condition 02, 12, 22): Cracking along the horizontal joint. Reinforcing bar corrosion, nail embedment. (See VT-3C Report VT-07-111)

.VT-IC determined intermittent cracking along the horizontal joint, one (1) exposed rebar with light corrosion and no wastage. A nail was also identified in this area.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-2.jpg Item #5 (Reference Page 1 -Condition 12): Reinforcing bar corrosion. (See VT-3C Report VT-07-111).

VT-IC determined that an exposed rebar on the edge of Buttress #3 between Grease Caps 40 and 41 exhibits medium corrosion with no wastage.Item #6 (Reference Page 1 -Condition 22): Other -Nail embedment in concrete, metal corrosion. (See VT-3C Report VT-07-111).

VT-lC determined no additional degradation to the concrete.

The angle iron on the edge of Buttress #3 exhibits light rusting with no wastage RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-3.jpg Item #7 (Reference Page 1 -Condition 22): Other -Nail embedment in concrete. (See VT-3C Report VT-07-111).

VT-IC determined no additional degradation to the concrete.Item #8 (Reference Page 1 -Condition 07, 22): 2' Diameter X 1/2" Deep (maximum):

Popout, wood embedment in concrete. (See VT-3C Report VT-07-111).

VT-IC determined popout of a previous grout patch over rebar.Medium corrosion and staining has resulted.

It was also determined that there are plywood remnants in the center joint of Buttress #3 down to -elevation 130'. No additional degradation to the concrete was noted.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 RlS IWL Photo\ VT-07-289-4.jpg, VT-07-289-14.jpg Item #9 (Reference Page 1 -Condition 22): Other -Nail embedment in concrete, metal corrosion. (See VT-3C Report VT-07-111)

.VT-IC determined 8 nails total in the centerline of the horizontal joint. No additional degradation to the concrete was noted.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-5.jpg Item #10 (Reference Page 1 -Condition 09): Staining (rust). (See VT-3C Report VT-07-111)..

VT-lC determined that the staining was from embedded metal. No additional degradation to the concrete was noted.Item #11 (Reference Page 1 -Condition 01, 22): 7"L X 1-1/2" W (maximum)

X 1/2" Deep (maximum)

Spall; and 4"'L X 1" W (maximum)

X 1/2" Deep (maximum)Spall; and Embedded boxes in concrete; and nail embedment in concrete.(See VT-3C Report VT-07-111)

.VT-IC determined spalls were due to embedded cables near the embedded boxes. Multiple nail locations were also noted as well as smaller Popout areas. No additional degradation to the concrete was noted.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-6.jpg, VT-07-289-15.jpg Item #12 (Reference Page 1 -Condition 02): 40"L X 5/8" W X 1/2" Deep: Cracking. (See VT-3C Report VT-07-111).

VT-IC determined no exposed rebar or wire.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-7.jpg Page 11 Printed: 10/23/09 ACTION REQUEST 00256010 Item 413 (Reference Page 1 -Condition 09): Staining (rust). (See VT-3C Report VT-07-111).

VT-IC determined that the staining was from embedded nails. No additional degradation to the concrete was noted.Item #14 (Reference Page 1 -Condition 02): 24"L X 1/8" W X <1/2" Deep: Cracking. (See VT-3C Report VT-07-111).

VT-IC determined no exposed rebar or wire.Item #15 (Reference Page 1 -Condition 22): Other -Nail and tie wire embedment in concrete. (See VT-3C Report VT-07-111).

VT-IC determined no additional degradation to the concrete.Item #16 (Reference Page 1 -Condition 22): Other -wood embedment in concrete. (See VT-3C Report VT-07-111)

.VT-lC determined that wood embedment on the bottom face of the ring girder likely resulted from plywood lamination transfer onto the concrete surface (10" X 18" area).Item #17 (Reference Page 1 -Condition 09): Staining (rust). (See VT-3C Report VT-07-111).

VT-IC determined that the staining was from embedded metal. No additional degradation to the concrete was noted.Item #18 (Reference Page 1 -Condition 16): 4"L X 2-1/4" W X 1/2" Deep: Displacement of cosmetic grout patch over previously existing spall. (See VT-3C Report VT-07-111)

.VT-IC determined no exposed rebar or wire.Item #19 (Reference Page 1 -Condition 1): 9-1/2"L X 3" W X 2-1/2" Deep: Spall. (See VT-3C Report VT-07-111).

VT-IC determined exposed bearing plate surface with minor wastage of metal.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 RI5 IWL Photo\ VT-07-289-8.jpg Item #20 (Reference Page 1 -Condition 1): 12"L X 6" W X 5/8" Deep: Spall.(See VT-3C Report VT-07-111)

.VT-IC determined no exposed rebar or wire, however there was rust staining present.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-9.jpg Item #21 (Reference Page 1 -Condition 1): 6"L X 6" W X 5/8" Deep: Spall.(See VT-3C Report VT-07-111).

VT-IC determined no exposed rebar or wire.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-10.jpg Item #22 (Reference Page 1 -Condition 1): 8"L X 4" W X 1" Deep: Spall.(See VT-3C Report VT-07-111).

VT-IC determined no exposed rebar or wire.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-1l.jpg, VT-07-289-16.jpg Item #23 (Reference Page 1 -Condition 1): 8"L X 8" W X 3/4" Deep: Spall.(See VT-3C Report VT-07-111)

.VT-IC determined no exposed rebar or wire;however there are five (5) embedded nails in this area.Item #24 (Reference Page 1 -Condition 22): Other -wood embedment in concrete. (See VT-3C Report VT-07-111).

VT-lC determined that wood embedment likely resulted from plywood lamination transfer onto the concrete surface. Embedded nails and tie wires were also observed.

No additional degradation to the concrete was observed.Item #25 (Reference Page 1 -Condition 09): Staining (rust). (See VT-3C Report VT-07-111)

.VT-IC determined that the rust staining originated at the edge of the bearing plate above. No additional degradation to the concrete was observed.Item #26 (Reference Page 1 -Condition 09): Staining (rust). (See VT-3C Report VT-07-111)

.VT-lC determined that the staining was from embedded nails. No additional degradation to the concrete was noted.Item #27 (Reference Page 1 -Condition 1, 16): 30'L X 4" W X ?" Deep: Spall; displacement of cosmetic grout patch over previously existing spall. (See VT-3C Report VT-07-111).

VT-lC determined that this condition was typical on the west face of Buttress #4, and intermittent areas of exposed wire and rebar were observed.

Minor rust staining from bearing plates was noted. Paint was also observed separating from bearing plates and grease caps.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-12.jpg Item #28 (Reference Page 1 -Condition 02): 72"L X 3/16" W X 1/8" Deep:

Page 12 Printed: 10/23/09 ACTION REQUEST 00256010 Cracking. (See VT-3C Report VT-07-111).

VT-IC determined intermittent cracking along the horizontal joint. No exposed rebar or wire was observed.Item #29 (Reference Page 1 -Condition 07): 1' Diameter X 1/2" Deep (maximum):

Popout. (See VT-3C Report VT-07-111)

.VT-IC determined that a piece of aggregate likely separated along the horizontal joint. No exposed rebar or wire was observed.Item #30 (Reference Page 1 -Condition 4, 22): 61L X 2" W X ?" Deep: Honeycomb/cold joint area with wire embedment. (See VT-3C Report VT-07-111).

VT-lC determined the presence of exposed aggregate and wire along the horizontal joint. No exposed rebar was observed.RE: Photo L:\Engineering\Tech Services\ISI IWE & IWL\Photo\2007 R15 IWL Photo\ VT-07-289-13.jpg Item #31 (Reference Page 1 -Condition 02, 09): Cracking, Staining (rust).(See VT-3C Report VT-07-111)

.VT-lC determined intermittent cracking along the horizontal joint (continuation of intermittent condition described in Item 12). No exposed rebar or wire was observed.Item #32 (Reference Page 1 -Condition 12, 16): Reinforcing bar corrosion; displacement of cosmetic grout patch. (See VT-3C Report VT-07-111)

.VT-lC determined reinforcing bar corrosion resulting from displacement of 6" cosmetic grout patch over a previously'existing spall on the face of Buttress #4.Item #33 (Reference Page 1 -Condition 09, 22): Staining (rust). Other -elastomer separation. (See VT-3C Report VT-07-111)

.VT-lC determined intermittent separation and loss of the elastomer down the center line of Buttress #4. Staining from exposed metal was also observed along the vertical joint.Item #34 (Reference Page 1 -Condition 16): 2" L X ?" W: Displacement of cosmetic grout patch over previously existing spall. (See VT-3C Report VT-07-111).

VT-lC determined metal wastage in this area on the right side of Buttress #4. Staining from exposed metal was also observed.Item #35 (Reference Page 1 -Condition 1, 16): 4"L X 6" W X ?" Deep: Spall; displacement of cosmetic grout patch over previously existing spall. (See VT-3C Report VT-07-111)

.VT-IC determined no exposed wire or rebar.Item #36 (Reference Page 1 -Condition 1): 8"L X 4" W X 1-1/2" Deep: Spall. (See VT-3C Report VT-07-111)

.VT-lC determined no exposed wire or rebar.Item #37 (Reference Page 1 -Condition 09): Staining. (See VT-3C Report VT-07-111).

VT-IC determined that there are numerous minor tendon grease leaks at various tendon cap locations.

Additionally, previous tendon grease spills are obvious. No additional degradation to the concrete surface was noted.VT-lC CONTINUATION SHEET: COMPONENT ID: IWL RBCN-0016, REV. 0 ITEM # 1 (REFERENCE PAGE 1 CONDITION

7) -1 3/4"L X 2 1/2"W X 7/8" D. SEE VT-3C REPORT VT-07-115 Request Attribute Value Reqd Date 6B COMMENTS DOWNGRADED N 01/03/08 Name : MERYLANNE GOTTERUP Per the INVN response, there is no condition adverse to quality;therefore, this NCR is being downgraded to a priority 5. MLG Request Attribute Value Reqd Date 6C COMMENTS N Name Page : 13 Printed: 10/23/09 ACTION REQUEST 00256010 Request Attribute 6D COMMENTS Value Reqd Date N Name : Request Attribute GE COMMENTS Value Reqd N Date Name : Request Attribute 6F LAST COM ITM DUE Value Reqd Date Name : Request Attribute 6G EQUIP PRI ISSUE Name : Request Attribute 6H RESP MGR Name : Request Attribute 61 EQUIP PRI STATUS Name : Value Reqd N Date Date Value Reqd N Reqd N Value Date ACTION REQUEST APPROVAL REVIEW Route List: 001 Route List Initiator:

PORTMR Alert Send Send Action Action PASSPORT Fac Group/Type Last Name Date Time Taken Date/Time HOWART CR3 ESSTSUPV A HOWARD 11/23/07 13:09 APPROVED 11/24/07 15:23 ROTHRD CR3 REGREV A ROTHROCK 1i/24/07 15:23 APPROVED 11/24/07 15:33 ESTEPD CR3 UNITEVAL A ESTEP 11/24/07 15:33 APPROVED 11/24/07 16:23 TREND-CAUSE Facility:

CR3 Trend 1: ACAUSE Trend 2: $ Trend 3: $ Date: Process: N/A Org: $ Rank: Assign:

Description:

NO CODE Facility:

CR3 Trend 1: CFC Trend 2: $ Trend 3: $ Date: Process: N/A Org: N/A Rank: Assign:

Description:

NO CODE Facility:

CR3 Trend 1: EVENT Trend 2: EC Trend 3: EC8 Date: Process: ES6 Org: N/A Rank: Assign:

Description:

DEGRADED EQUIPMENT Keywords Keyword Keyword Description CFGMGMT CONFIGURATION MANAGEMENT EQUIP/ME MECHANICAL EQUIPMENT EXAM EXAMINATIONS ISI INSERVICE INSPECTION Page 14 Printed: 10/23/09 ACTION REQUEST 00256010 MATCON MATERIAL CONDITION PBCNTRL PRESSURE BOUNDARY CONTROL Page 15 Printed: 10/23/09 ACTION REQUEST 00256010 ASSIGNMENT NUMBER 10 SUB Type : MREV Due Date 12/08/07 Status COMPLETE Reschedule

Pri Resp Group: ESSSUPV2 Assigned To P ALLEN Sec Resp Group: Subject : MREV: AREAS OF THE RB CONCRETE CONTAINMENT ARE DEGRADED Aff Facility:

CR3 Unit : 3 System UCR Schedule Ref Organization:

Department

485 Discipline Est Manhrs : Est Comp Date Assignment Status History Updated Date Updated By Assgn Status Assgn Due Date 11/23/07 PORTMR INPROG 11/24/07 ESTEPD 12/08/07 11/24/07 ESTEPD NTFY/PRI 11/25/07 ORTALE ACC/PRI 11/25/07 ORTALE NTFY/ASG 11/25/07 LOEHRM NTFY/PRI 11/26/07 ALLENP ACC/PRI 11/26/07 ALLENP NTFY/ASG 11/26/07 ALLENP ACC/ASG 11/26/07 ALLENP AWAIT/C 11/26/07 LOEHRM COMPLETE Assignment Attribute Value Reqd Date CHANGE BASIS N Name : Assignment Attribute Value Reqd Date 1 FUNCTIONAL FAILURE N Y 11/26/07 Name : PARKS ALLEN Assignment Attribute Value Reqd Date 2 REPETITIVE FF N Y 11/26/07 Name : PARKS ALLEN Assignment Attribute Value Reqd Date 3 UNAVAILABILITY N Y 11/26/07 Name : PARKS ALLEN Assignment Attribute Value Reqd Date 4A RX TRIP OCCUR N Y 11/26/07 Name : PARKS ALLEN Assignment Attribute Value Reqd Date 4B SAFETY SYS ACTUAT N Y 11/26/07 Name : PARKS ALLEN Page 16 Printed: 10/23/09 ACTION REQUEST 00256010 Assignment Attribute 4C UNPLANNED CAP LOS Name : PARKS Assignment Attribute 5 PERF CRIT EXCEEDED Name : PARKS Assignment Attribute 6 MR DATABASE ENTRY Name : PARKS Value N ALLEN Value N ALLEN Value.N ALLEN Reqd Date Y 11/26/07 Reqd Date Y 11/26/07 Reqd Date Y 11/26/07 Assignment Attribute Value 7 RECOMMEND (A) (1)Reqd N Date Name : Assignment Attribute 7A PRI 1 NCR REQ Name : PARKS Value N ALLEN Reqd Date Y 11/26/07 Assignment Attribute Value 8 EQUIP. REFERENCE Name : Reqd N Date COMPLETION NOTES CAUSE/ACTION ASSIGNMENT COMPLETION APPROVAL Route List: 001 Route List Initiator:ALLENP Alert Send Send Action Action PASSPORT Fac Group/Type Last Name Date Time Taken Date/Time ALLENP CR3 ESSSUPV2 A ALLEN 11/26/07 14:04 APPROVED 11/26/07 14:04 LOEHRM CR3 ESSDUEVAL A GOTTERUP 11/26/07 14:04 APPROVED 11/26/07 19:15 BARBIL I BARBIERI 11/26/07 14:04 Page 17 Printed: 10/23/09 ACTION REQUEST 00256010 ASSIGNMENT NU!MBER20 SUB Type : INVN Due Date : 01/04/08 Status COMPLETE Reschedule

1 Pri Resp Group: ESDSUPV2 Assigned To : J LESE Sec Resp Group: Subject : PRI 2: AREAS OF THE RB CONCRETE CONTAINMENT ARE DEGRADED Aff Facility:

CR3 Unit : 3 System UCR Schedule Ref Organization:

Department

476 Discipline Est Manhrs : Est Comp Date Assignment Status History Updated Date Updated By Assgn Status Assgn Due Date 11/23/07 PORTMR INPROG 11/24/07 ESTEPD 12/21/07 11/24/07 ESTEPD NTFY/PRI 11/25/07 ORTALE ACC/PRI 11/25/07 ORTALE NTFY/ASG 12/21/07 LESEJO ACC/ASG 12/21/07 EILOLJ 01/04/08 01/03/08 LESEJO AWAIT/C 01/03/08 ORTALE ACC/ASG 01/03/08 LESEJO AWAIT/C 01/03/08 LOEHRM COMPLETE Assignment Attribute Value Reqd Date BENEFIT REALIZED N Name : Assignment Attribute Value Reqd Date EXTERNAL OE RECOMM N Y 12/21/07 Name : JOSEPH LESE Assignment Attribute Value Reqd Date INTERNAL OE RECOMM N Y 12/21/07 Name : JOSEPH LESE Assignment Attribute Value Reqd Date 1 EVALUATOR/ASSIGNEE N Name : Assignment Attribute Value Reqd Date 1A COMMITTED N Name Assignment Attribute Value Reqd Date lB CHANGE BASIS SEE NOTES N 12/21/07 Name : JOSEPH LESE Extend this pri 2 investigation until 1/4/2008 a result of 15R assignments.

due to workload/backlog as Page 18 Printed: 10/23/09 ACTION REQUEST 00256010 Assignment Attribute Value 2 MISCELLANEOUS Name : Reqd N Reqd N Date Assignment Attribute Value 2A COMMENTS Date Name : Assignment Attribute Value 2B COMMENTS Name : Assignment Attribute Value 2C COMMENTS Name Assignment Attribute Value 2D COMMENTS Name : Assignment Attribute Value 2E COMMENTS Name : Reqd N Reqd N Reqd N Reqd N Date Date Date Date COMPLETION NOTES SEE IN-PROGRESS NOTES FOR ASSIGNMENT COMPLETION.

CAUSE/ACTION ASSIGNMENT COMPLETION APPROVAL Route List: 001 Route List Initiator:

LESEJO Alert Send Send Action Action PASSPORT Fac Group/Type Last Name Date Time Taken Date/Time ORTALE CR3 ESDSUPV2 A ORTALAN 01/03/08 07:19 RETURNED 01/03/08 08:05 ORTALE CR3 ESDSUPV2 A ORTALAN 01/03/08 08:11 APPROVED 01/03/08 08:15 LOEHRM CR3 ESSDUEVAL A GOTTERUP 01/03/08 08:15 APPROVED 01/03/08 08:51