ML13298A010

First Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events (Order No. EA-12-049)

ML13298A010
Person / Time
Site:	Catawba
Issue date:	08/28/2013
From:	Henderson K Duke Energy Carolinas
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
EA-12-049
Download: ML13298A010 (21)

Text

DUKE ENERGYo Kelvin Henderson Vice President Catawba Nuclear Station 803-701-4251 Duke Energy CNO1VP I 4800 Concord Rd.

York, SC 29745 August 28, 2013 1 OCFR50.4 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001

SUBJECT:

Duke Energy Carolinas, LLC (Duke Energy)

Catawba Nuclear Station (CNS), Units 1 and 2 Docket Nos. 50-413 and 50-414 Renewed License Nos. NPF-35 and NPF-52 First Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses With Regard to Requirements for Mitigation Strategies for Beyond-Design-basis External Events (Order Number EA-12-049)

REFERENCES:

1. NRC Order Number EA-12-049, Order Modifying Licensees With Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events, Revision 0, dated March 12, 2012

2. NRC Interim Staff Guidance JLD-ISG-2012-01, Compliance With Order EA-12-049, Order Modifying Licensees with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events, Revision 0, dated August 29, 2012

3.

NEI 12-06, Diverse and Flexible Coping Strategies (FLEX) Implementation Guide, Revision 0, dated August 2012

4. Duke Energy's Initial Status Report in Response to March 12, 2012, Commission Order Modifying Licenses with Regard To Requirements for Mitigation Strategies for Beyond-Design-Basis External Events (Order EA 049), dated October 29, 2012

5. Catawba Nuclear Station Overall Integrated Plan in Response to March 12, 2012, Commission Order to Modify Licenses With Regard To Requirements for Mitigation Strategies for Beyond Design Basis External Events (Order EA-12-049), dated February 28, 2013 On March 12, 2012, the NRC issued Order EA-12-049 (Reference 1). Reference 1 was immediately effective and directed licensees to develop, implement, and maintain guidance and strategies to maintain or restore core cooling, containment, and spent fuel pool cooling capabilities in the event of a beyond-design-basis external event. Specific requirements are outlined in Attachment 2 of Reference 1.

www.duke-ene.gyco

United States Nuclear Regulatory Commission Page 2 August 28, 2013 Reference 1 required submission of an initial status report 60 days following issuance of the final interim staff guidance (Reference 2) and an overall integrated plan pursuant to Section IV, Condition C. Reference 2 endorses industry guidance document NEI 12-06, Revision 0 (Reference 3) with clarifications and exceptions identified in Reference 2. Reference 4 provided Duke Energy's initial status report regarding mitigation strategies at the Catawba, McGuire, and Oconee Nuclear Power Stations. Reference 5 provided Duke Energy's overall integrated plan for the Catawba Nuclear Station.

Reference 1 requires submission of a status report at six-month intervals following submittal of the overall integrated plan. Reference 3 provides direction regarding the content of the status reports. The purpose of this letter is to provide the first six-month status report pursuant to Section IV, Condition C.2, of Reference 1, that delineates progress made in implementing the requirements of Reference 1. The enclosed report provides an update of milestone accomplishments since the last status report, including any changes to the compliance method, schedule, or need for relief and the basis, if any.

This letter contains no new regulatory commitments. If you have any questions regarding this report, please contact Phil Barrett at (803) 701-4138.

1 declare under penalty of perjury that the foregoing is true and correct. Executed on August 28, 2013.

Respectfully submitted,

ý -7"wzL Kelvin Henderson Vice President, Catawba Nuclear Station

Enclosure:

1. First Six-Month Status Report (Order EA-12-049), Catawba Nuclear Station (CNS), Units 1 and 2, Docket Nos. 50-413 and 50-414, Renewed License Nos, NPF-35 and NPF-52

United States Nuclear Regulatory Commission Page 3 August 28, 2013 xc:

V.M. McCree, Region II Administrator U.S. Nuclear Regulatory Commission Marquis One Tower 245 Peachtree Center Avenue NE, Suite 1200 Atlanta, Georgia 30303-1257 John Boska, Project Manager (ONS)

U.S. Nuclear Regulatory Commission One White Flint North, Mailstop O-8G9A 11555 Rockville Pike Rockville, MD 20852-2738 J.S. Kim, Project Manager (MNS and CNS)

U.S. Nuclear Regulatory Commission One White Flint North, Mailstop O-8C2A 11555 Rockville Pike Rockville, MD 20852-2738 G. A. Hutto, III NRC Senior Resident Inspector Catawba Nuclear Station Justin Folkwein American Nuclear Insurers 95 Glastonbury Blvd., Suite 300 Glastonbury, CT 06033-4453

ENCLOSURE FIRST SIX MONTH STATUS REPORT (ORDER EA-12-049)

CATAWBA NUCLEAR STATION (CNS), UNITS I AND 2 DOCKET NOS. 50-413 AND 50-414 RENEWED LICENSE NOS. NPF-35 AND NPF-52 El-1

ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

1.

Introduction Catawba Nuclear Station (CNS) developed an Overall Integrated Plan (Reference 1 in Section 8),

documenting the diverse and flexible strategies (FLEX), in response to NRC Order EA-12-049 (Reference 2 in Section 8). The Overall Integrated Plan (OIP) was submitted to the NRC on February 28, 2013. This enclosure provides an update of milestone accomplishments including any changes to the compliance method, schedule, or need for relief/relaxation and the basis, if any, that occurred during the period from February 28, 2013 to July 30, 2013 (hereafter referred to as "the update period").

2.

Milestone Accomplishments The following milestones were completed during the update period:

1) Overall Integrated Plan was submitted on February 28, 2013

3.

Milestone Schedule Status The following provides an update to Attachment 2 of the Overall Integrated Plan. It provides the activity status of each item, and whether the expected completion date has changed. The dates are planning dates subject to change as design and implementation details are developed.

The revised milestone target completion dates are not expected implementation date.

to impact the order Revised Milestone Completion Actity Target ete Status Completion Date Date Not Submit 60 Day Initial Status Report Oct 2012 Complete Revised Date Not Submit Overall Integrated Plan Feb 2013 Complete Revised Date Not 6 Month Status Update Aug 2013 Started Revise Revised Date Not Develop Engineering Changes (ECs)

Aug 2013 Started Revise Revised Date Not Develop Strategies Aug 2013 Started Revise Revised Date Not Purchase Equipment Feb 2014 Started Revise Revised Develop Equipment PMs Feb 2014 Started Date Not Revised Date Not Develop Guidelines Feb 2014 Started Revise Revised Develop Training Feb 2014 Not Started Date Not Revised Date Not Implement Training May 2015 Not Started Revise I

I I

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

At4h, ThrWet Datat DateNo Staffing 12-01 Phase 11 Nov 2014 Not Started Raevised Communications Integrated Plan May 2015 Started Raevised EC Implementation (On-Line)

May 2015 Not Started Raevised Unit 1 EC Implementation (1 E0C22)

Dec 2015 Not Started Date Revised Unit 2 EC Implementation (2E0C20)

May 2015 Not Started Date Revised Site Implementation Complete Dec 2015 Not Started Raevised Regional Response Centers Operational Feb 2015 Started Raevised

4. Changes to Compliance Method The following summarizes the changes to the compliance method as documented in the Overall Integrated Plan (Reference 1).

1)

Change: The normal Nuclear Service Water system (RN) to Spent Fuel Pool (KF) make up alignment will be used as the primary configuration. It has been verified that the associated piping and components are qualified from a hazard standpoint and isolation valves are located outside of the Spent Fuel Pool building.

Justification: Associated RN and KF piping and components are or will be qualified from a hazard standpoint. Isolation valves are also located outside of the Spent Fuel Pool building.

Documentation: CN-1574-1.1 Rev. 58, CN-2574-2.1 Rev. 47, CN-1570-1.O Rev. 25, CN-2570-1.0 Rev. 16, Open Item #74

2)

Change: Debris removal equipment will be stored in two of the diverse protected facilities.

Justification: Having debris removal equipment stored in two of the three buildings will ensure that at least one of these machines is available since it is a critical piece of equipment and no alternatives are identified.

Documentation: Open Item #52 E1-3

ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

3)

Change: The borated water suction connections for the high pressure and low pressure pumps have changed. A new Refueling Water Storage Tank (FWST) piping connection will be added between valves KF-101B and 103A on Unit 1 and Unit 2 to serve as the primary and alternate borated water suction source for the high pressure and low pressure pumps. The single primary or alternate connection point will tie into a gated wye type adapter that will be used to supply the pumps which inject into each unit.

Justification: It has been determined that the pump selected for use as the portable Steam Generator make up pump can also be used as the low pressure borated water Reactor Coolant System (RCS) make up pump since both of these strategies will not be performed at the same time. The physical size, type of driver (diesel engine), and deployment location requirements dictate that this pump will need to be stored/staged outside of the Auxiliary building. As such, a more viable borated water pump suction connection had to be found for the low pressure pump. This new connection was also determined to be capable of supplying the high pressure pump, thus eliminating the previously identified borated water pump suction connections in the A and B Safety Injection pump rooms on each unit and the need to purchase additional low pressure injection pumps.

Documentation: Open Item #36, Open Item #37, Open Item #75, Attachment 1 (Revised sketches)

4)

Change: The storage location for FLEX equipment at the Standby Nuclear Service Water Pond (SNSWP) has been relocated above possible flood levels. Therefore, the FLEX equipment will not need to be moved to higher elevations during a flood event.

Justification: It has been determined that a different FLEX equipment storage building design that still meets NEI 12-06 requirements can be constructed at a higher elevation near the SNSWP eliminating the need to move equipment from the building during a flooding event.

Documentation: Open Item #27

5)

Change: Three FLEX storage buildings will be utilized with one building located near the SNSWP and the other two buildings located in the cooling tower yard area.

Justification: Relocation of two of the three FLEX storage buildings provides better access, less construction issues, and improved flood protection. The three buildings will still meet NEI 12-06 requirements for all hazards applicable to the site.

Documentation: Open Item #27, Attachment 1 (Revised sketches)

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

5.

Need for RelieflRelaxation and Basis for the RelieflRelaxation CNS expects to comply with the order implementation date and no relief/relaxation is required at this time.

6.

Open Items The following tables provide a summary status of the Open Items. The table under Section 6.a.

provides the open items identified in the original OIP submitted on February 28, 2013. The table under Section 6.b. provides a list of open items that were added after February 28, 2013.

The table under 6.c. provides a list of open items related to the Draft Safety Evaluation.

a. Open Items Documented in the Overall Integrated Plan.

Item Overall Integrated Plan Open Item Status Disconnect all non-critical loads from vital batteries. Activity to Started I

be validated in conjunction with associated procedure changes.

See Corrective Action 25 in PIP C-12-2291.

Provide pumping capacity to control level in TDAFWP pit sump.

Started Additional analysis required to verify adequate pump head 2

exists to overcome potential Turbine Building flooding. See Corrective Action 26 in PIP C-12-2291.

Provide pumping capacity to control level in TDAFWP pit sump.

Not Started Activity to be validated in conjunction with associated procedure changes. See Corrective Action 27 in PIP C 2291.

Recharge communication system and satellite phone system.

Not Started Activity to be validated in conjunction with associated procedure changes. See Corrective Action 28 in PIP C 2291.

Align charging to Channel A and D Vital Batteries. Activity to Not Started 5

be validated in conjunction with associated procedure changes.

See Corrective Action 29 in PIP C-12-2291.

Align portable injection pump from Refueling Water Storage Started Tank to Safety Injection System to provide Reactor Coolant System makeup and boration. Approximate time suggested by 6

PWROG to provide negative reactivity addition and maintain margin to criticality. Site specific analysis will need to be performed to establish actual time. See Corrective Action 30 in PIP C-12-2291.

Align portable injection pump from Refueling Water Storage Not Started Tank to Safety Injection System to provide Reactor Coolant System makeup and boration. Activity to be validated in 7

conjunction with associated procedure changes. See Corrective Action 31 in PIP C-12-2291.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

Item Overall Integrated Plan Open Item Status Provide portable lighting (beyond head and hand lamps and Not Started 8

installed battery lighting). Activity to be validated in conjunction with associated procedure changes. See Corrective Action 32 in PIP C-12-2291.

Install portable fans in Control Room and Battery Rooms. Time Started 9

based on engineering judgment. Analysis will determine the need and timing for ventilation. See Corrective Action 33 in PIP C-12-2291.

Install portable fans in Control Room and battery rooms, Not Started 10 Activity to be validated in conjunction with associated procedure changes. See Corrective Action 34 in PIP C 2291.

Connect diesel driven Hale Pump through Essential Service Not Started Water piping to Spent Fuel Pool skimmer loop to provide a 11 means to make up to the SFP without entering the SFP area.

Activity to be validated in conjunction with associated procedure changes. See Corrective Action 35 in PIP C 2291.

Open Spent Fuel Pool bay doors. Activity to be validated in Not Started 12 conjunction with associated procedure changes. See Corrective Action 36 in PIP C-12-2291.

Align diesel driven Hale Pump to supply Essential Service Not Started 13 Water supply header from UHS. Activity to be validated in conjunction with associated procedure changes. See Corrective Action 37 in PIP C-12-2291, Align diesel driven Hale Pump to supply second diesel driven Not Started 14 Hale Pump to feed SGs. Activity to be validated in conjunction with associated procedure changes. See Corrective Action 38 in PIP C-12-229 1.

Re-power H2 igniters. Activity to be validated in conjunction Not Started 15 with associated procedure changes. See Corrective Action 39 in PIP C-12-2291.

Align charging to Channel B and C Vital Batteries. Activity to Not Started 16 be validated in conjunction with associated procedure changes.

See Corrective Action 40 in PIP C-12-2291.

17 Isolate the Cold Leg Accumulators. Activity to be validated in Not Started conjunction with associated procedure changes. See Corrective Action 41 in PIP C-12-2291.

18 Evaluate need to provide freeze protection for instrumentation Not Started located in Doghouses and yard. 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> is based on engineering judgment, Evaluation will be performed to determine actual action time. See Corrective Action 42 in PIP C-12-2291.

19 Evaluate need to provide freeze protection for instrumentation Not Started located in Doghouses and yard. Activity to be validated in conjunction with associated procedure changes. See Corrective Action 43 in PIP C-12-2291.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

Item Overall Integrated Plan Open Item Status 20 Isolate Instrument Air to Containment. Activity to be validated Not Started in conjunction with associated procedure changes. See Corrective Action 44 in PIP C-12-2291.

21 Align portable diesel driven Hale Pump to Containment Spray Not Started connection. Contingency to be available if required to reduce Containment temperature. Modification of an existing B.5.b Strategy. Activity to be validated in conjunction with associated procedure changes. See Corrective Action 45 in PIP C-12-2291.

22 Align RRC diesel generator to power installed Containment Not Started Spray pumps. Activity to be validated in conjunction with associated procedure changes. See Corrective Action 46 in PIP C-12-2291.

23 Arrangements with local transportation businesses and Not Started Regional Response Centers will need to be established to ensure personnel and equipment can reach the site considering extensive damage to surrounding infrastructure (roads, bridges, etc.). See Corrective Action 47 in PIP C 2291.

24 Additional sump pumps need to be specified, purchased, and Started placed in critical rooms and floor elevations in the Auxiliary building to mitigate/control internal flooding. See Corrective Action 48 in PIP C-12-2291.

25 Develop adequate procedural and administrative guidance to Not Started implement mitigation strategies and supporting activities during Phase 1, 2, and 3. See Corrective Action 49 in PIP C-12-2291.

26 Provide S/G Makeup via CA TDP with static RC/RN suction Started supply - Procedural guidelines and ECR 6139 and 6140. See Corrective Action 7 and 19 in PIP C-12-2291.

27 A site specific Building Specification will be written that details Started the storage facility design requirements and ECR 5979 will design and construct the facilities. See Corrective Action 12 in PIP C-12-2291.

28 Add appropriate FLEX equipment to the site Periodic Not Started Maintenance (PM) program. See Corrective Action 50 in PIP C-12-2291.

29 Develop a Document for the FLEX program. See Corrective Started Action 51 in PIP C-1 2-2291.

30 Determine if Engineering Change program documents or Not Started checklists need to be revised to include verification that the modification does not impact the FLEX program. See Corrective Action 52 in PIP C-12-2291.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

Item Overall Integrated Plan Open Item Status 31 Develop applicable training programs to support the FLEX Started strategies and supporting activities. Training will be provided once programs are in place. Corrective Action 53 in PIP C-12-2291 has been closed to the Needs and Evaluation Database (NED). NED 13-02758 has been initiated and assigned for processing.

32 Develop flow model calculations to support the various FLEX Started strategies and document the available static water volume in the RN/CA piping (PIP C-12-2291 CA 20).

33 Provide RN supply header hose connections in the yard and Started in the pumphouse for portable pump to fill/pressurize RN system - ECR 5976 and 5977.

34 Provide primary and alternate CA piping connections for S/G Started Makeup via portable pump (ECR 5980 and 5981). See Corrective Action 13 and 14 in PIP C-12-2291.

35 Provide MCC cable plug in connections for various loads Started (ECR 6047 and 6048). See Corrective Action 75 and 76 in PIP C-12-2291.

36 Provide primary and alternate RCS makeup and injection Not Started connections (ECR 5983 and 5984). See Corrective Action 15 and 16 in PIP C-12-2291.

37 Purchase high pressure and low pressure RCS injection Not Started pumps. See Corrective Action 54 in PIP C-12-2291.

38 Provide seismically qualified connection on the FD piping to Not Started access diesel fuel in safety related underground storage tanks (ECR 5985 and 5988). See Corrective Action 17 and 18 in PIP C-12-2291.

39 Purchase portable diesel fuel transfer pump and storage tank.

Started See Corrective Action 55 in PIP C-12-2291.

40 Provide access road to the SNSWP for the portable diesel Started pump (ECR 5978). See Corrective Action 11 in PIP C 2291.

41 An analysis is needed to determine whether or not Started venting/letdown is required when providing borated water injection. See Corrective Action 56 in PIP C-12-2291.

42 An analysis is needed to determine if containment spray for Started temperature/pressure control is not required over the long term. See Corrective Action 57 in PIP C-12-2291.

43 Provide redundant SFP Level Instruments per NRC Order -

Started EC109413 and 109414.

44 Determine lighting requirements via Corrective Action 30 and Started 31 in PIP C-11-6867.

45 Determine lighting requirements and implement as needed via Started Corrective Action 24 in PIP C-12-2291.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

Item Overall Integrated Plan Open Item Status 46 Determine long term environmental conditions in the Control Started Room and CA Pump room via Corrective Action 13 in PIP C-11-6867. This evaluation will be part of Corrective Action 33 in PIP C-12-2291.

47 Ensure that an appropriate inventory of portable hand-held Complete satellite phones, spare batteries, and chargers, is available for (See use by the Emergency Response Organization. See Reference 3 in Corrective Action 7 in PIP C-12-2195.

Section 8) 48 Evaluate and purchase, if necessary, additional portable Not Started radios, spare batteries, and chargers to ensure required communications links are fully established. Corrective Action 8 in PIP C-12-2195.

49 Ensure that portable communications equipment (i.e., satellite Not Started phones, radios, and diesel generators) are stored in a manner such that maximizes survivability from applicable external events per NEI 12-01, Section 4.5. Corrective Action 9 in PIP C-12-2195.

50 Ensure that programmatic controls are established for Not Started communications equipment (i.e., portable satellite phones, radios, small generators) to ensure availability and reliability, including the performance of periodic inventory checks and operability testing per NEI 12-01, Section 4.8. Also, provide training on the locations and use of communications systems and equipment (NEI 12-01, Section 4.11). Corrective Action 10 in PIP C-1 2-2195.

51 Ensure that arrangements are in place with communications Started service providers to utilize their emergency services as described in NEI 12-0 1, Section 4.10. Corrective Action 12 in PIP C-12-2195.

Purchase debris removal equipment that is also capable of Started 52 towing all FLEX equipment. See Corrective Action 58 in PIP C-12-2291.

53 Provide additional portable FLEX equipment such as pumps, Started air compressors, and generators to be purchased with specific identifiers/labels maintained in the Equipment Data Base (EDB). See Corrective Action 59 in PIP C-12-2291.

54 Develop periodic surveillance procedures and Operator Not Started rounds to verify that all FLEX equipment is in its proper storage location and not degraded. See Corrective Action 60 in PIP C-12-2291.

55 Develop Regional Response Center Playbook. See Started Corrective Action 61 in PIP C-12-2291.

56 Complete staffing studies and ensure adequate personnel will Not Started be available to support the FLEX mitigation strategies and associated activities. See Corrective Action 7 in PIP C 4953.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

Item Overall Integrated Plan Open Item Status 57 Develop procedural guidelines to use handheld instruments Not Started tied into local in plant components to monitor essential parameters. See Corrective Action 62 in PIP C-12-2291.

58 Develop procedural guidelines to disconnect normal power Not Started supplies and attach alternate power cables from disconnect devices and portable generators for select components. See Corrective Action 63 in PIP C-1 2-2291.

59 Develop procedural guidelines to deploy and install lighting in Not Started required areas. See Corrective Action 24 in PIP C-12-2291.

60 Determine if Phase 3 ventilation needs (RRC equipment, Started additional procedural guidelines, etc.) are required. See Corrective Action 64 in PIP C-1 2-2291.

61 Determine if Mobile Boration will be required from the RRC Not Started during Phase 3. See Corrective Action 65 in PIP C-12-2291.

62 Determine if portable lighting will be required from the RRC Not Started during Phase 3. See Corrective Action 66 in PIP C-12-2291.

63 Determine if portable fans/ducting will be required from the Started RRC during Phase 3. See Corrective Action 67 in PIP C 2291.

64 Determine Phase 3 requirements related to Radiation Not Started Protection Equipment. See Corrective Action 68 in PIP C 2291.

65 Determine Phase 3 requirements related to Commodities Not Started such as food and water. See Corrective Action 69 in PIP C-12-2291.

Calculate diesel fuel consumption rates for the portable FLEX Complete equipment and compare that to the available fuel stored in the (See 66 Emergency Diesel Generator safety related underground Reference 4 in storage tanks to determine if additional diesel fuel is needed Section 8) from off-site resources during Phase 3. See Corrective Action 70 in PIP C-1 2-2291.

67 Select and purchase Phase 3 debris clearing equipment Started and/or transport vehicles if needed to move RRC equipment around the site. See Corrective Action 71 in PIP C-12-2291.

68 Implement Flood mitigation activities per Corrective Action Started Program PIP C-12-0833.

69 Complete initial testing of FLEX mitigation equipment prior to Started full implementation dates. See Corrective Action 72 in PIP C-12-2291.

70 Establish a Special Emphasis Code in the EDB and Work Started Control program for FLEX equipment. See Corrective Action 73 in PIP C-12-2291.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

Item Overall Integrated Plan Open Item Status 71 Obtain and store any additional equipment in FLEX Storage Not Started Facilities or Category I buildings needed to aid in the connection of the RRC equipment to plant components. See Corrective Action 74 in PIP C-1 2-2291.

72 Revise RP/O/A/5000/007 (Natural Disaster and Earthquake) to Complete move equipment at the SNSWP if flooding is imminent. See (See Corrective Action 79 in PIP C-1 2-2291.

Reference 5 in Section 8)

b. Open Items added after February 28, 2013 Item Overall Integrated Plan Open Item Status Formally evaluate/document potential deployment route Not Started 73 concerns such as soil liquefaction discussed in NEI 12-06. See Corrective Action 86 in PIP C-1 2-2291.

Document seismic qualification (robustness in accordance with Started 74 NEI 12-06) of assured RN to KF make up piping on Unit 1. See Corrective Action 87 in PIP C-12-2291.

Add new FWST low/high pressure borated water injection Not Started 75 pump suction connection. See Corrective Action 83 and 84 in PIP C-12-2291 (ECR-6787 and ECR-6788)

c. Draft Safety Evaluation Draft Safety Evaluation Open Item Status The Draft Safety Evaluation has not yet been N/A provided by the NRC.

7.

Potential Draft Safety Evaluation Impacts There are no potential impacts to the Draft Safety Evaluation identified at this time.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

B. References The following references support the updates to the Overall Integrated Plan described in this attachment.

1) Catawba Nuclear Station, Unit Nos. 1 and 2, Overall Integrated Plan in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events (Order Number EA-12-049), dated February 28, 2013

2) NRC Order Number EA-12-049, "Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events," dated March 12, 2013

3) Justification for closure of Open Item 47 in the Overall Integrated Plan is contained in Actual Corrective Action 7 of PIP C-12-2195.

4) Justification for closure of Open Item 66 in the Overall Integrated Plan is contained in Actual Corrective Action 70 of PIP C-1 2-2291.

5) Justification for closure of Open Item 66 in the Overall Integrated Plan is contained in Actual Corrective Action 79 of PIP C-1 2-2291.

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ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

ATTACHMENT I TO ENCLOSURE FIRST SIX MONTH STATUS REPORT (ORDER EA-12-049)

CATAWBA NUCLEAR STATION (CNS), UNITS 1 AND 2 DOCKET NOS. 50-413 AND 50-414 RENEWED LICENSE NOS. NPF-35 AND NPF-52 E1-13

ENCLOSURE CNS FIRST SIXTH MONTH STATUS REPORT (ORDER EA-12-049)

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