Text

Response to Request for Additional Information Regarding the Expedited Seismic Evaluation Process Report
	ML15323A317
Person / Time
Site:	Wolf Creek
Issue date:	11/11/2015
From:	Mccoy J; Wolf Creek
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	ET 15-0026
	Download: ML15323A317 (21)
	v • d • e

W6,LF CREEK

'NUCLEAR OPERATING CORPORATION November 11, 2015 Jairne H. McCoy Vice President Engineering ET 15-0026 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Reference:

1)

Letter dated March 12, 2012, from E. J. Leeds and M. R. Johnson, USNRC, to M. W. Sunseri, WCNOC, "Request for Information Pursuant to Title 10 of the Code of Federal Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force (NTTF) Review of Insights from the Fukushima Dai-ichi Accident"

2)

Letter WO 14-0095 dated December 23, 2014, from C. 0. Reasoner, WCNOC, to USNRC

3)

Letter ET 15-0015 dated June 24, 2015, from J. H. McCoy, WCNOC, to USNRC

4)

Electronic Mail dated August 6, 2015, from S. M. Wyman, USNRC, to T. W. Solberg, WCNOC

Subject:

Docket No. 50-482:

Response to Request for Additional Information Regarding the Expedited Seismic Evaluation Process Report Gentlemen:

On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued Reference 1 to Wolf Creek Nuclear Operating Corporation (WCNOC). The Enclosure of Reference 2 provided the Wolf Creek Generating Station (WVCGS) Expedited Seismic Evaluation Process (ESEP)" Report requested in Enclosure 1 of Reference 1. Reference 3 provided a response to a request for additional information related to the ESEP Report in Reference 2.

Reference 4 provided a request for additional information related to the WCGS ESEP Report.

The Attachments and Enclosure provide WCNOC's response to the request for additional information.

This letter serves as a supplement to Reference 2, and includes the following changes under Attachment I1:

1. Update to Section 7.1, "Identification of ESEL items inaccessible for walkdowns"

2. Update to Section 8.4, "Summary of Regulatory Commitments" P.O. Box 411 / Burlington, KS 66839 /Phone: (620) 364-8831/

,v

/-.

An Equal Opportunity Employer M/F/HC/VET

__ j

ET 15-0026 Page 2 of 3 Enclosure I replaces Attachment A of Reference 2, in its entirety.

The changes made to Attachment A are designated with revision bars.

Attachment I to this letter provides a list of commitments that will be taken in association with the Near-Term Task Force Recommendation 2.1 ESEP Report and the implementation dates for those commitments.

Per discussion on October 26, 2015, with S. M. Wyman, USNRC, WCNOC was granted an extension to November 12, 2015, from the due date stated in Reference 4.

If you have any questions concerning this matter, please contact me at (620) 364-4156, or Cynthia R. Hafenstine (620) 364-4204.

Sincerely, Jaime H. McCoy JHM/rlt Attachments: I List of Regulatory Commitments II Updated Expedited Seismic Evaluation Process (ESEP) Report

Enclosure:

I Attachment A. Wolf Creek Generating Station Expedited Seismic Evaluation List (ESEL) cc:

M. L. Dapas (NRC), w/a, w/e C. F. Lyon (NRC), w/a, w/e N. H. Taylor (NRC), w/a, w/e S. M. Wyman (NRC), w/a, w/e Senior Resident Inspector (NRC), w/a, w/e

ET 15-0026 Page 3 of 3 STATE OF KANSAS COUNTY OF COFFEY

)) s

)

Jaime H. McCoy, of lawful age, being first duly sworn upon oath says that he is Vice President Engineering of Wolf Creek Nuclear Operating Corporation; that he has read the foregoing document and knows the contents thereof; that he has executed the same for and on behalf of said Corporation with full power and authority to do so; and that the facts therein stated are true and correct to the best of his knowledge, information and belief.

Jaime IIMcCoy Vice P fesident Engineering 44,~76/

LU4~

SUBSCRIBED and sworn to before me this day of 2015.

Mv AoDointme IIII GAYLE SHEPHEARD ntExoires No Expiration Date

'/b'//~~0 'S Expiration Date

Attachment I to ET 15-0026 Page 1 of 1 LIST OF REGULATORY COMMITMENTS The following table identifies those actions committed to by Wolf Creek Nuclear Operating Corporation (WCNOC) in this document. Any other statements in this letter are provided for information purposes and are not considered regulatory commitments. Please direct questions regarding these commitments to Cynthia R. Hafenstine, Manager Regulatory Affairs at Wolf Creek Generating Station, (620) 364-4204.

REGULATORY COMMITMENT DUE DATE WCNOC will walkdown inaccessible

items, perform High No later than 60 days Confidence of Low Probability of Failure (HCLPF) table updates, following completion of report any required modifications with proposed completion dates, Refueling Outage 21, and provide a letter with this supplemental information, fall 2016

Attachment Page 1 of 3 II to ET 15-0026 Attachment II Updated Expedited Seismic Evaluation Process (ESEP) Report (Corrected Sections Only)

The following pages identify changes to two sections of Wolf Creek Generating Station's Expedited Seismic Evaluation Process (ESEP) Report (Enclosure to letter WO 14-0095). This attachment replaces the following sections in the ESEP Report:

1. Update to Section 7.1, "Identification of ESEL items inaccessible for walkdowns"

2. Update to Section 8.4, "Summary of Regulatory Commitments"

Attachment II to ET 15-0026 Page 2 of 3 7.1 Identification of ESEL items inaccessible for walkdowns The additional items (Items 137-162) provided to the Wolf Creek Generating Station ESEL as a result of WCNOC letter ET 15-0015 (response to NRC request for clarification) are located inside containment, with the exception of Items 141 and 142 (Steam Generator Atmospheric Relief Valves ABPVOOO1 and ABPVOOO2).

The components inside containment may not be walked down until Refueling Outage 21, currently scheduled for fall 2016. If existing documentation is sufficient, further walkdowns may not be necessary.

Attachment II to ET 15-0026 Page 3 of 3 8.4 Summary of Regulatory Commitments The following actions will be performed as a resuit of the ESEP:

Action Equipment ID Equipment Action Description Completion Date Description 1

Multiple (ESEL Multiple (ESEL WCNOC will walkdown inaccessible No later than 60 Items 137-162)

Items 137-162) items, perform HCLPF table updates, days following report any required modifications completion of with proposed completion dates, and Refueling Outage provide a letter with this 21, Fall 2016

____________supplemental information.

Enclosure to ET 15-0026 Attachment A. Wolf Creek Generating Station Expedited Seismic Evaluation List (ESEL)

(13 Pages)

Attahmen A.

Wolf Creek Generating Station ESEL Page 1

ESEL Equipment

,Operating State Item_________________

Normal Desired

-Notes/Comments[1]

Num ID Description State State Mechanical ESEL Items 1

TAP0l Condensate Storage Tank Operable Operable SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 2

PAL02 TDAFW Pump Not Operating Operating SG Makeup with SGs Available - Phase 1 3

ALHVO034 MOV Open Closed SG Makeup with SGs Available - Phase 1 4

ALHV0035 MOV

_______Open Closed SG Makeup with SGs Available - Phase 1 5

ALFE0049 Flow Element SG Makeup with SGs Available - Phase 1 6

ALHVOO12 Air Operated Valve SG Makeup with SGs Available - Phase Open Open 1, Phase 2, Phase 3 7

ALFE0004 Flow Element SG Makeup with SGs Available - Phase

___________1, Phase 2, Phase 3 8

ALFTOO04 Flow Transmitter SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 9

ALFT0011 Flow Transmitter SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 10 ALHV001O Air Operated Valve SG Makeup with SGs Available - Phase Open Open 1, Phase 2, Phase 3 11 ALFEOOO3 Flow Element SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 12 ALFT0003 Flow Transmitter SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 13 ALFT0009 Flow Transmitter SG Makeup with SGs Available - Phase

__________1, Phase 2, Phase 3 14 ALHV0008 Air Operated Valve SG Makeup with SGs Available - Phase

_______Open Open 1, Phase 2, Phase 3 15 ALFE0O02 Flow Element SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 16 ALFT0002 Flow Transmitter SG Makeup with SGs Available - Phase Phase 2, Phase 3 17 ALFT0007 Flow Transmitter SG Makeup with SGs Available - Phase

___________1, Phase 2, Phase 3 18 ALHV0006 Air Operated Valve SG Makeup with SGs Available - Phase Open Open 1, Phase 2, Phase 3 19 ALFE0001 Flow Element SG Makeup with SGs Available - Phase

___________1, Phase 2, Phase 3 20 ALFT0001 Flow Transmitter SG Makeup with SGs Available - Phase 1, Phase 2, Phase 3 21 ABHV0005 Air Operated Valve Closed Fail Open SG Makeup with SGs Available - Phase 1 22 ABHV0048 Air Operated Valve

_______Open Fail Closed SG Makeup with SGs Available - Phase 1 23 ABHVO006 Air Operated Valve Closed Fail Open SG Makeup with SGs Available - Phase 1 24 ABHV0049 Air Operated Valve Open Fail Closed SG Makeup with SGs Available - Phase 1 Page 2

ESLEquipment Operating State ItmNormal Desired Notes/Comments[I]

Num ID Description State State 25 FCFV0310 Level Control Valve Open Closed SG Makeup with SGs Available - Phase 1 26 FCLT0010 Level Indicator SG Makeup with SGs Available - Phase 1 27 FCHV0312 Trip and Throttle Valve Closed Operating SG Makeup with SGs Available - Phase 1 28 Speed Speed Governor

____Governor Standby Operating SG Makeup with SGs Available - Phase 1 29 FCFV0313 Speed Governor Valve Open Operating SG Makeup with SGs Available - Phase 1 30 KFC02 AFW Pump Turbine Not

________Operating Operating SG Makeup with SGs Available - Phase 1 31 TEM01 Boron Injection Tank RCS Makeup with SGs not Available -

Phase 2, Phase 3 32 EMPT0947 BIT Outlet Pressure RCS Makeup with SGs not Available -

Transmitter Phase 2, Phase 3 33 EMPI0947 BIT Outlet Pressure RCS Makeup with SGs not Available -

Indicator Phase 2, Phase 3 34 EMHV8801B MOTOR-OPERATED VALVE RCS Makeup with SGs not Available -

____EMHV8801B Closed Open Phase 2, Phase 3 35 EMFE0924 ECCS FLOW TO RCS COLD-RCS Makeup with SGs not Available -

___LEG 1

Phase 2, Phase 3 36 EMFE0925 ECCS FLOW TO RCS COLD-RCS Makeup with SGs not Available -

___LEG 2

Phase 2, Phase 3 37 EMFE0926 ECCS FLOW TO RCS COLD-RCS Makeup with SGs not Available -

___LEG 3

Phase 2, Phase 3 38 EMFE0927 ECCS FLOW TO RCS COLD-RCS Makeup with SGs not Available -

___LEG 4

Phase 2, Phase 3 39 TBN01 RWST RCS Makeup with SGs not Available -

______ __________________Phase 1

40 BNLTD930 RWST Level Transmitter RCS Makeup with SGs not Available -

_______Phase 1

41 EJFCV0610 RHR PUMP A MINIFLOW Open Closed RCS Makeup with SGs not Available -

____VALVE Phase 1 42 TBG03A Boric Acid Tank RCS Makeup with SGs Available - Phase

_______2, Phase 3 43 BGLT0102 BORIC ACID TANK A LEV RCS Makeup with SGs Available - Phase 2, Phase 3 44 BGLI01D2 BORIC ACID TANK A LEV RCS Makeup with SGs Available - Phase

___________2, Phase 3 45 BBPV8702A RHR TO RCS Closed Open RCS Makeup with SGs not Available -

_______________________________Phase 1

____________Electrical ESEL Items 46 NBD01 4.16KV SWGR NB001 (Class This component is powered by the FLEX 1E, Train A)

DG in Phase 3 as stated in Sec. 8 of the

________ ______________-N/A N/A

-WC Integrated FLEX Plan 47 NB00101 4.16 kV FDR BKR FOR RHRP-This component is powered by the FLEX A DPEJ01A (Residual Heat DG in Phase 3 as stated in Sec. 8 of the

___________Removal Pump A)

-N/A N/A

-WC Integrated FLEX Plan Page 3

ESEL Equipment Operating State Item Noe/o ensi Num I

Decrpto Normal DesiredNte/men[]

Num D

Dscrptin State State 48 NBO0107 4.16 kV FDR BKR FOR CCWP-A DPEGO1A This component is powered by the FLEX (Component Cooling Water DG in Phase 3 as stated in Sec. 8 of the Pump A)

N/A N/A WC Integrated FLEX Plan

,49 NBO0110 4.16 kV FDR BKR FOR XFMR XNG03 (4160 V to 480 V for Although this component is not part of LC NGO03) the current FLEX Phase 3 plan, WCNOC has decided to add this to the ESEL in

______N/A N/A order to independently power NGO3 50 NB00113 4.16 kV FDR BKR FOR XFMR This component is powered by the FLEX XNG01 (4160 V to 480 V for DG in Phase 3 as stated in Sec. 8 of the LC NG001)

N/A N/A WC Integrated FLEX Plan 51 NBO0109 4.16 kV FLEX GEN TIE-IN This component is powered by the FLEX POINT (BKR) FOR TRAIN A DG in Phase 3 as stated in Sec. 8 of the N/A N/A WC Integrated FLEX Plan 52 XNGO1 4.16-KV/480 V LOAD This component is powered by the FLEX CENTER TRANSFORMER DG in Phase 3 as stated in Sec. 8 of the

_______XNG01 FOR LC NG001 N/A N/A WC Integrated FLEX Plan 53 NG001 480 V LOAD CENTER NG01 This component is powered by the FLEX DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated

______ ___________N/A N/A FLEX Plan 54 NG00101 MAIN BKR FOR LC NG01 This component is powered by the FLEX DG in Phase 3 as stated in Sec. 8 of the

____N/A N/A WC Integrated FLEX Plan 55 NG00103 FDR BKR FOR 125 V VITAL This component is powered by the FLEX BATTERY CHARGER NK021 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated

____________N/A N/A FLEX Plan 56 NG00112 FLEX 500 kW TIE IN BRK This component is powered by the FLEX (Phase 2 connection point)

DG in Phase 2 as stated in Sec. 8 of the

____N/A N/A WC Integrated FLEX Plan 57 NG00116 TIE BKR (CONNECTS NG01 This component is powered by the FLEX AND NG03)

DG in Phase 2 as stated in Sec. 8 of the

____N/A N/A WC Integrated FLEX Plan 58 XNG03 4.16-KV/480 V LOAD CENTER TRANSFORMER Although this component is not part of XNG03 FOR LC NG003 the current FLEX Phase 3 plan, WCNOC has decided to add this to the ESEL in N/A N/A order to independently power NG03 59 NG003 480 V LOAD CENTER NGO3 This component is powered by the FLEX DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated

______N/A N/A FLEX Plan 60 NG00301 MAIN BKR FOR LC NGD3 Although this component is not part of the current FLEX Phase 3 plan, WCNOC has decided to add this to the ESEL in

______________N/A N/A order to independently power NGD3 Page 4

ESEL Equipment Operating State Item Noml DsrdNotes/Comments[i]

Numfl ID Description Strate Statesie 61 NGO0303 FDR BKR FOR 125 V VITAL This component is powered by the FLEX BATTIERY CHARGER NK023 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 62 NK021 125 V BATTERY CHARGER This component is powered by the FLEX NK021 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 63 NKO71 TRANSFER SWITCH BUS This component is powered by the FLEX NK01 BATTIERY CHARGER DG, first Phase 2, then in Phase 3, as NK21/NK25 stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 64 NKO01 125 VDC BUS SWITCHBOARD NKOO1 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 65 NKO0102 FDR BKR FROM BATi-CHGR This component is powered by the FLEX NK021 TO NKOO1 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 66 NKO0104 MAIN BREAKER FOR CNTRL AND DIST PNL NK041 (PART This component is powered during ALL OF SWBD NKO01) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 67 NKOO10S MAIN BREAKER FOR CNTRL AND DIST PNL NKO51 This component is powered during ALL (PART OF SWBD NKO01) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 68 NK011 125 VBAI-iERY NK011 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 69 NKOD1O1 ISOLATION BKR FOR BATTFERY NK011 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 70 NKO0111 FDR BKR FOR INVERTER NN011 (PART OF SWBD This component is powered during ALL NK001) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 71 NN011 7.SKVA INVERTER (FED FROM BATT CHARGER This component is powered during ALL NK021) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 72 NN001 Class lE AC DIST SWBD NN01 (SEP GRP 1)

This component is powered during ALL phases of the FLEX strategy as stated in

_______N/A N/A Sec. 8 of the WC Integrated FLEX Plan Page 5

ESEL Equipment Operating State ItemNoe/o ens]

Normal DesiredNte/men[]

Num ID Description State State 73 SA036A ESFAS CH1 TERM This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 74 SENY0060A NEUTRON FLUX MONITORING SYSTEM This component is powered during ALL DETECTOR AMPLIFIER SENY phases of the FLEX strategy as stated in 60A N/A N/A Sec. 8 of the WC Integrated FLEX Plan 75 SENY0060B NEUTRON FLUX MONITORING SYSTEM This component is powered during ALL DETECTOR AMPLIFIER SENY phases of the FLEX strategy as stated in 60B N/A N/A Sec. 8 of the WC Integrated FLEX Plan 76 SB032A W SS PROT SYS INPUT TRN B

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 77 SB029A W SS PROT SYS INPUT TRN A

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 78 SB038 W PROCESS ANALOG PROTECTION SET CAB-01 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 79 SB029D W SSPROT SYS OUT 2TRN A

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 80 SE054A W NUC INSTM NIS1i This component is powered during ALL phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 81 SBO30A SSPS TRN A # TEST This component is powered during ALL phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 82 RP053AC BOP INSTRUMENTATION RACK (TERMINATION This component is powered during ALL AREA) phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 83 SB07B RPV LEVEL INSTR SYS (RVLIS) PROC PROT SYS This component is powered during ALL CABINET phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 84 RP081A T/C SUBCOOLING MONITOR CABINET This component is powered during ALL phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan Page 6

ESEL Equipment Operating State ItmNormal Desired NotesfComments[1]

Num ID Description State State 85 NKO41 CNTRL & INSTR DIST SWBD NK041 (CLASS 1E 125 VDC)

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 86 RL005 TURBINE GENERATOR AND FW CONSOLE This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 87 RL006 TURBINE GENERATOR AND FW CONSOLE This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 88 RP139 B AUXILIARY RELAY RACK RP139 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 89 NK051 CNTRL &. INSTR DIST SWBD NK051 (CLASS 1E 125 VDC)

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 90 BBPCV0455A BBPCVO455A PORV SOLENOID FAILS TO OPEN This component is powered during ALL ON DEMAND phases of the FLEX strategy as stated in

_______N/A N/A Sec. 8 of the WC Integrated FLEX Plan 91 RLD21 REACTOR AUX CNTRL PANEL This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 92 RL022 REACTOR AUX CNTRL PAN EL This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 93 RP209 B AUXILIARY RELAY RACK This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 94 RP289 DC DIST PNL RP289 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 95 RP330 AUX RELAY RACK RP330 This component is powered during ALL phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 96 RP332 B AUXILIARY RELAY RACK This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan Page 7

ESEL Equipment Operating State ItmNormal Desired Notes/Comments[i]

Num ID Description State State 97 NK0S1A EM'CY LIGHTING DIST SWBD NKOS1A (SUBPNL OF This component is powered during ALL NK051) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 98 NK023 125 V BATTIERY CHARGER This component is powered by the FLEX NK023 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated

________ ______________N/A N/A FLEX Plan 99 NK073 TRANSFER SWITCH BUS This component is powered by the FLEX NK03 BA-I-ERY CHARGER DG, first Phase 2, then in Phase 3, as NK23/NK25 stated in Sec. 8 of the WC Integrated

____N/A N/A FLEX Plan 100 NKO03 125 VDC BUS SWITCHBOARD NK003 This component is powered during ALL phases of the FLEX strategy as stated in

_______ ____________N/A N/A Sec. 8 of the WC Integrated FLEX Plan 101 NKO0302 FDR BKR FROM BATT CHGR This component is powered by the FLEX NK023 TO NKO03 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 102 NKO0304 MAIN BREAKER FOR CNTRL AND DIST PNL NK043 This component is powered during ALL (PART OF SWBD NKO03) phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 103 NK013 125 VBAI-IERY NK013 This component is powered during ALL phases of the FLEX strategy as stated in

_______ _____________N/A N/A Sec. 8 of the WC Integrated FLEX Plan 104 NKO03O1 ISOLATION BKR FOR BATT'ERY NKD13 This component is powered during ALL phases of the FLEX strategy as stated in

____________N/A N/A Sec. 8 of the WC Integrated FLEX Plan 105 NK00311 FDR BKR FOR INVERTER NN013 (PART OF SWBD This component is powered during ALL NKO03) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 106 NNO13 7.5KVA INVERTER (FED FROM BATT" CHARGER This component is powered during ALL NK023) phases of the FLEX strategy as stated in

____________N/A N/A Sec. 8 of the WC Integrated FLEX Plan 107 NN003 Class 1E AC DIST SWBD NNO3 (SEP GRP 3)

This component is powered during ALL phases of the FLEX strategy as stated in

____N/A N/A Sec. 8 of the WC Integrated FLEX Plan 108 RP053DB BOP INSTR RACK RP053DB This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan Page 8

ESEL Equipment Operating State ItmNormal Desired NoteslComments[i]

Num ID Description State State 109 SB037 W PROCESS ANALOG PROTECTION SET CAB-03 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 110 NK043 CNTRL & INSTR D1ST SWBD NK043 (CLASS lE 125 VDC)

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 111 ABO07 Aux Relay Rack This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 112 NG00109 FDR BKR FOR 125 V SWING This component provides power to BATTIERY CHARGER NK025 NK025 and, in turn, Separation Group N/A N/A 1.

113 NK025 125 V BAI-IERY CHARGER NK025 (Swing Battery The A-Train swing charger will be used

_______Charger)

N/A N/A to power Separation Group 1.

114 NG002 480 V LOAD CENTER NG02 This component is powered by the FLEX DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 115 NG00212 FLEX 500 kW TIE IN BKR This component is powered by the FLEX from FD201 (Phase 2 DG, first Phase 2, then in Phase 3, as connection point) stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 116 NG00203 FDR BKR FOR 125 V VITAL This component is powered by the FLEX BATTERY CHARGER NK024 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 117 NK024 125 V BATTERY CHARGER This component is powered by the FLEX NK024 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 118 NK074 TRANSFER SWITCH BUS This component is powered by the FLEX NKO4 BATTIERY CHARGER OG, first Phase 2, then in Phase 3, as NK24/NK26 stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 119 NKO04 125 VDC BUS SWITCH BOARD NK004 This component is powered during ALL phases of the FLEX strategy as stated in

_______N/A N/A Sec. 8 of the WC Integrated FLEX Plan 120 NK00402 FOR KBK FROM BATT CHGR This component is powered by the FLEX NK024 TO NK004 DG, first Phase 2, then in Phase 3, as stated in Sec. 8 of the WC Integrated N/A N/A FLEX Plan 121 NK014 125 VBATTERY NK014 This component is powered during ALL phases of the FLEX strategy as stated in

_____________N/A N/A Sec. 8 of the WC Integrated FLEX Plan Page 9

ESEL Equipment Operating State ItmNormal Desired Notes/Comments[I]

Num ID Description State State 122 NKO0401 ISOLATION BKR FOR BATTERY NK014 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 123 NK00411 FDR BKR FOR INVERTER NN011 (PART OF SWBD This component is powered during ALL NKO04) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 124 NN014 7.5KVA INVERTER (FED FROM BATT CHARGER This component is powered during ALL N K024) phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 125 NN004 Class lE AC DIST SWBD NN04 (SEP GRP 4)

This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 126 SA036B ESFAS CH4 TERM This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 127 RP147B BOP Instrumentation Rack RP147B This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 128 SENY0061A NEUTRON FLUX MONITORING SYSTEM This component is powered during ALL DETECTOR AMPLIFIER SENY phases of the FLEX strategy as stated in 61A N/A N/A Sec. 8 of the WC Integrated FLEX Plan 129 SENYOO61B NEUTRON FLUX MONITORING SYSTEM This component is powered during ALL DETECTOR AMPLIFIER SENY phases of the FLEX strategy as stated in 61B N/A N/A Sec. 8 of the WC Integrated FLEX Plan 130 SB032D W SSPS Train B #2 Output This component is powered during ALL phases of the FLEX strategy as stated in

______N/A N/A Sec. 8 of the WC Integrated FLEX Plan 131 SBO33A SSPS Train B #1 Test This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 132 SB041 W PROCESS ANALOG PROTECTION SET CAB-04 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 133 RPO53BC BOP Instrumentation Rack RPO53BC This component is powered during ALL phases of the FLEX strategy as stated in

___________________________N/A N/A Sec. 8 of the WC Integrated FLEX Plan Page 10

ESEL Equipment Operating State ItmNormal Desired Notes/Comments[i)

Num ID Description State State 134 SB079 RVLIS Process Cabinet SB079 This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 135 RP081B Subcooling Monitor Cabinet This component is powered during ALL phases of the FLEX strategy as stated in N/A N/A Sec. 8 of the WC Integrated FLEX Plan 136 SB148B W PROCESS PROTECTION (Fire Isolation)

This component is powered during ALL phases of the FLEX strategy as stated in

___________________________N/A N/A Sec. 8 of the WC Integrated FLEX Plan Additional Items in Response to NRC Clarification Questions 137 ABPT0514 Steam Generator A Pressure Transmitter (Steam Generator Pressure)

N/A N/A Monitor SG pressure in all three phases 138 ABPT0524 Steam Generator B Pressure Transmitter (Steam Generator Pressure)

N/A N/A Monitor SG pressure in all three phases 139 ABPT0534 Steam Generator C Pressure Transmitter (Steam Generator Pressure)

N/A N/A Monitor SG pressure in all three phases 140 ABPT0544 Steam Generator D Pressure Transmitter (Steam Generator Pressure)

N/A N/A Monitor SG pressure in all three phases 141 ABPVOOO1 Steam Generator A Atmospheric Steam Dump (Steam Generator Atmospheric Relief ARV will need to cycle open as needed to Valves)

Closed Open remove heat from steam generators 142 ABPV0002 Steam Generator B Atmospheric Steam Dump (Steam Generator Atmospheric Relief ARV will need to cycle open as needed to Valves)

Closed Open remove heat from steam generators 143 AELT0529 Steam Generator B Narrow Range Level Transmitter (Steam Generator Water Level)

N/A N/A Monitor SG pressure in all three phases 144 AELT0539 Steam Generator C Narrow Range Level Transmitter (Steam Generator Water Level)

N/A N/A Monitor SG pressure in all three phases 145 BBHV8001A RCS Reactor Vessel Head Vent A Upstream Valve Flow limited by choked flow at RCS (Reactor Head Vent) pressure. Maintained for defense in

________________________Closed Standby depth.

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ESEL Equipment Operating State ItmNormal Desired Notes/Comments[i]

Num ID Description State State 146 BBHV8002A RCS Reactor Vessel Head Vent A Downstream Valve Flow limited by choked flow at RCS (Reactor Head Vent) pressure. Maintained for defense in

____Closed Standby depth.

147 BBPCV455A Pressurizer Power Operated Relief Valve PORV's operate in normal manner as (Pressurizer PORV) conditions require. Not preferred path.

____Closed Standby Maintained for defense in depth.

148 BBPT0455 RCS Pressurizer Pressure Channel 1 (RCS Pressure)

N/A N/A Monitor RCS pressure in all three phases 149 BBTEO413A RCS LOOP I Wide Range Hot Leg Prot. A Temperature Element Monitor RCS temperature in all three

______(RCS Temperature)

N/A N/A phases 150 BBTEO413B RCS LOOP i Wide Range Cold Leg Prot. A Temperature Element Monitor RCS temperature in all three (RCS Temperature)

N/A N/A phases 151 BBTEO423A RCS LOOP 2 Wide Range Hot Leg Prot. A Temperature Element Monitor RCS temperature in all three (RCS Temperature)

N/A N/A phases 152 BBTEO423B RCS LOOP 2 Wide Range Cold Leg Prot. A Temperature Element Monitor RCS temperature in all three (RCS Temperature)

N/A N/A phases 153 EPHV8808A Accumulator Tank A Outlet Isolation Valve (Accumulator Isolation Valve will need to be closed when the Valves)

Open Closed accumulators are empty 154 EPHV8808B Accumulator Tank B Outlet Isolation Valve (Accumulator Isolation Valve will need to be closed when the

_______Valves)

Open Closed accumulators are empty 155 EPHV8808C Accumulator Tank C Outlet Isolation Valve (Accumulator Isolation Valve will need to be closed when the

____Valves)

Open Closed accumulators are empty 156 EPHV88O8D Accumulator Tank 0 Outlet Isolation Valve (Accumulator Isolation Valve will need to be closed when the Valves Open Closed accumulators are empty 157 GNPT0936 Containment Atmospheric Pressure Channel 2 Pressure Transmitter Monitor containment pressure in all (Containment Pressure)

N/A N/A three phases 158 GNPTO937 Containment Atmospheric Pressure Channel 1 Pressure Transmitter Monitor containment pressure in all

_______(Containment Pressure)

N/A N/A three phases 159 TEP01A Safety Injection Accumulator Tank A Needed only for Phase 1. Will be

____(Accumulators)

N/A N/A isolated before completely empty.

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ESEL*'

Equipment Oper~ating state ItD DecrptonNoma.

D. ie Notes/Comments[I]

Nuni iD ecrpin State State 160 TEP01B Safety Injection Accumulator Tank B Needed only for Phase 1. Will be

_____(Accumulators)

N/A N/A isolated before completely empty.

161 TEP01C Safety Injection Accumulator Tank C Needed only for Phase 1. Will be (Accumulators)

N/A N/A isolated before completely empty.

162 TEP0lD Safety Injection Accumulator Tank 0 Needed only for Phase 1. Will be (Accumulators)

N/A N/A isolated before completely empty.

Page 13