ML20086G113

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Rev 5 to Administrative Procedure AP-790, Station Blackout
ML20086G113
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 11/19/1991
From: Marshall W
FLORIDA POWER CORP.
To:
References
AP-790, NUDOCS 9112040202
Download: ML20086G113 (56)


Text

___________ _ _ _ _ _ _ _ _.

F DOCUMENT TRANSMllIAL FURM 62382 FOR DOCUENTS 1RAN5HilHD 10 DC DEEMNRC)*

DATE 19 NOV 1Y91 DATCH 100 DOCUENT NUMDLR LHEET N UMDE R REV1H10rs NUMUER COPY NUMBE R

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AP 770 16 AP 790 Ob I INSTRUCTIOND TO THE ADIREEM F COMPLETE E ACH Of THE I NS1RUCT J DNS PLLUW WHICH nhE MARhlL Wi1H AN

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_X_ (1) VLRIFY THE DOC UMENT G H ECE1 VED AGRE E WI TH T HE A110VE DE SC H 1 P 'l l(iN

_X_ (2) INCOHPCHATE THE T R AN'..:M i l il D r)gc vMg N rb INTO YOUf? F I Lf.:i

_X_ ('3) DESTROY DOCUMENTS 09 PDHT10tri DF D O CUM f' ;171' UUP 8. RSE DED BY T HE A n tr/h

_ X ,,, (4) SICN AND D All I N T HE SP AR G DE t (E. I f!D I C AT I NG 1 H A1 NOU C OMP L E T E D THEE.E I N31 RUL T I DNS (5) DIGN DELOW INDICATING THAT YOU HAVE kE AD AN!' UNDERElOOD THE CHANGES AB I DE NT I F I L'D X (6) H E T UR N TO DOC U MLNT CONTHOL, CRYSTAL HIVFH UNIT 3. MACM NA1C NREA SAIG _ FLOHIDA POWER C O6 P , P U. HUX DIY CRYSTAL RIVER FLA. 32623 SIGNATURE OF ADDhliddE DATE 4 l' -

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  • SB0 REV 05 DATE 11/16/91 AP 790 O

STATION BLACK 0UT 1.0 ENTRY CONDITIONS 11 a loss of off-site power occurs A.ND neither 4160V ES buses an be energized, lltG use this procedure.

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This Procedure Addresses Safety Related Components Approved by NOS k/f_ /!4[ftr6 Date /[_-/9 _2/

AP-790 PAGE 1 of 55 580 o J

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lia.lt There are no lunedtate Actions in this procedure.

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AP-790 REV 05 PAGE 3 of 55 SB0

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AP 790 REV 0; PAGE 4 of 55 -SB0

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3.0 FOLL9W .IR ACTISM

( ACT1pH Q M LLS 3.1 ,_. Close HUV 49 o MUV 49 valve position mfd ensure RCS sampling is indication is available at the

((ql in progress. ES-B panel.

o Contact Chemistry and ensure all sampling of the primary system is stopped.

3.2 Ensure the following:

o EFP-2 started o EFic OTSG leval control is selected to 65%

o CFW flow exists to both OTSGs.

!!Q12 Neutron flux recorders will not be operable. Use edgewise meters for monitoring neutron flux levels.

3.3 Verify the reactor is o IR flux decreasing.

shutdown.

o SR flux decreasing.

o SR flux at shutdown level and not increasing.

3.4 Notify SOTA of plant conditions.

l 3.5 Secure DC motors at the _ MVP-3A, MVP A B/V LUBE Oil PP l Main Control Board that __ MVP-38, MVP B B/U LUBE Oil PP l are not needed by placing MVP-3C, MVP C B/U LUBE Oil PP l their control switches in _ RCP-3A, RCP A DC Oil LIFT PP l Pull-to-lock. ___ RCP-3B, RCP B OC Oil LIFT PP

_ RCP-3C, RCP C DC OIL LIFT PP

.__ RCP-30, RCP D DC OIL LIFT PP O

AP-790 REV 05 PAGE 5 of 55 580

i Table 1: Tsat Monitor Adequate Subcooling Margin

_ i Reactor Coolant MARGIN

> 1500 psig 30'r 1 1500 to > 250 psig 50'f s 250 to > 150 psig 70'F s 150 psig SPDS s 200'F N/A O

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AP-790 REV 05' PAGE 6 of 55 SB0

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  • . l 1J FOLLOW _UP ACT10NS (C9_N_IiDJ (w ACTIONS DETAILS 3.6 Actuate MS line isolation o Depress "SG MAIN S1H on both OTSGs. ISOLATION" pushbuttons.

o Verify all 4 MSIVs closed by observing status lights on PSA panel.

8912 In plant communications should be made with the hand-held radios, on channel 1 during the performance of this procedure.

3.7 Notify available operator Locally observe EfP-2 performance to observe EfP-2. and report indications of abnormal pump / turbine operation.

3.8 Continue attempts to o Attempt to restore EDG operation.

restore AC power to the 4160 ES buses, o Determine status of 500KV O switchyard to establish backfeed.

3.9 J1, at any time while o See Tabic 1 for adequate performing this procedure, subcooling margins, adequate subcooling margin does NOT exist, o Depress "95%" level select JEM: pushbutton on both OTSGs.

o Raise OTSG 1evels to 95%

using EfW. o There are no applicable cooldown rate limits fnr this cooldown.

o Immediately begin a cooldown at the maximum achievable rate.

O V

AP-790 REV'05 PAGE 7 of 55 SB0

7 Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

> 1500 psig 30*f s 1500 to > 250 psig 50'f 5 250 to > 150 psig 70'r 5 150 psig SPDS 1 200*f N/A 3.9 IE adequate subcoolirg margin does !!QI exist, IBER raise OTSG 1evels to 95% with EFW.

6!!Q begin a cooldown at maximum rate.

3.10 IE 4160V ES bus power h available, IBf8 CONCURRENTLY PEPf!',RM AP-770, Emergency Diesel Generator Actuation, beginning with Step 3.1, a![Q GO TO Step 3.28 in this procedure.

3.11 lE RCS PRESS increases to = 2400 psig, IBEN manually open the PORV to reduce RCS DRESS based on subcooling, O

l AP-790 REV 05 PAGF 8 of 55 S80 f

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'3.0 FOLLQM UP. ACTIML(GliliD1 O ACTIONS D[lAlli V

3.10 ___ E , at any time while performing this procedure, 4160V ES bus power is available, JEH CONCURREN1LY PERFORM AP-770. Etergency Diesel Generator Actuation, beginning with Step 3.1, MQ GO TO Step 3.28 in this procedure.

80E High Point Vent Valves should NOT be opened during performance of this procedure unless specifically directed.

LLQJL 1he PORV should remain closed during performance of this procedure unless specifically directed otherwise.

3 . ! ! ,,, _ E , at any time while o E adequate subcooling margin performing this procedure, does !!QI exist, RCS PRESS increases to JBLN reduce RCS PRESS until 2400 ps,ig. T , ,, = 50*F > T,,, of the OTSG.

THEN manually operate the PORV to reduce RCS PRESS o E adequate subcooling margin based on subcooling, exists, IEEB reduce RCS PRESS until:

) o RCS PRESS = 100 psig above the adequate subcooling margin curve QB o RCS PRESS = 1600 psig o E the PORV 1s Eql available, THEN allow RCS PRESS to increase to the PZR Safety Valve setpoint of 2500 psig.

AP-790 REV 05 PAGE 9 of 55 SB0 1

Table 1: 1 sat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

> 1500 psig 30'T i

s 1500 to > 250 psig 50'r s 050 to > 150 psig 70'T  !

s 150 psig SPOS 1 200'r N/A 3.9 E adequate subcooling margin does 801 exist, Ill[B raise OTSG 1evels to 95% with EFW.

a!iQ begin a cooldown at maximum rate.

3.10 jf 4160V ES bus power is available, Ilid CONCURRENTLY PERFORM AP 770. Emergency Diesel Generator Actuation, beginning with Step 3.1, MiQ GO TO Step 3.28 in this procedure.

3.11 E RCS PRESS increases to = 2400 psig, i ltiB manually open the PORV to reduce RCS PRESS based on sube vling. ,

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l AP-790 REV 05 PAGE 10 of 55 SB0

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'3.0 FQLLOW UP ACTION}_[CDRL'DJ l

' i AC110NS DETAILS l 3.12 Ensure RCP combined seal Ensure MUV 253 is closed, return isolation valve is closed.

3.13 _ _ Vent main generator 11, Notify available operator to perform i pressure to = 0 psig.' the following: ,

1 Close H, isolation valves:

o GOV-221 o GGV 214 2 Open 11, vent valve GGV 232.

Valves located on 95' TB at 11, manifold area.

3.14 _ Control EfW flow to maintair. RCS TEMP and minimize PZR outsurge.

O Open cabinet doors to 3.15 o Control Room cabinet doors:

provide cooling, block open, if required. Annunciator cabinets ICS cabinets

_ NNI cabinets o All Efic cabinet doors in the 4 EFIC rooms.

3.16 1F, at any time, while Perform Enclosure 2 to supply performing this procedure, EfP-2 from Units 1/2 steam.

OTSG PRESS decreases to s 100 psig AND Units 1/2 steam is available, It1[B supply EFP-2 from Units 1/2 steam, O

AP-790 REV 05 PAGE 11 of 55 500

Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

> 1500 psig 30'f s 1500 to > 250 psig 50'r s 250 to > 150 psig 70'f -

1 150 psig SPDS s 200'r N/A 3.9 If adequate subcooling margin does 1101 exist, M raise OTSG 1evels to 95% with EFW.

MiQ begin a cooldown at maximum rate.

3.10 jf 4160V ES bus power is available, M CONCURRENil.Y PERf0RM AP 770 Emergency Diesel Generator Actuation, beginning with Step 3.1, MQ GO TO Step 3.28 in this procedure.

(

\ 3.11 If RCS PRESS increases to a 2400 psig.

M manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 IE OTSG PRESS decreases to s 100 psip MD Units 1/2 steam is available, M supply EFP-2. from Units 1/2 stran,, }8 -

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O AP-790 REV 05 PAGE 12 of 55 SB0

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'3.0 FOLLAW-UP ACTILNL{ CONT!D)

AQTIONS QLIMLS 3.17 Control OTSG PRESS to Local manual control of prevent cooldown of the the ADVs may be required.

RCS.

3.18 Select PORV, RCV-10, ICS panel control switch, to CLOSE.

3.19 Place EfP-1 control switch Provides for controlled start up in Pull to lock. following power restoration.

CAUTION Steps 3.20 through 3.26 of this procedure must be performed within 30 minutes of the SB0 event initiation, to prevent premature battery degradition.

O 3.20 Begin transfer of control Have s Nuclear Operator to the Remote Shutdown proceed to the Remote Station. Shutdown Station.

3.21 The S500 should proceed to the "B" ES 4160V room and establish communications with the Remote Shutdown Station.

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l AP-790 REV 05 PAGE 13 of 55 580

- l

. . l Table 1: Tsat Monitor Adequate Subcooling Margin )

q Reactor Coolant MARGIN  ;

V > 1500 psig 30'F s 1500 to > 250 psig 50'T 1 250 to > 150 psig 70*F 1

$ 150 psig SPDS 1 200'F N/A 3.9 E adequate subcooling margin does 1101 exist, JJiG raise OTSG levels to 95% with EFW.

AtiQ begin a cooldown at maximum rate.

3.10 E 4160V ES bus power is available, 111W CONCURRENTLY PERFORM AP 770 Emergency Diesel Generator Actuation, beginning with Step 3.1, A!iQ GO TO Step 3.28 in this procedure.-

3.11 E RCS PRESS increases to = 2400 psig, J11M manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 E OTSG PRESS decreases-to s 100 psig A!iQ Units 1/2 steam is available, ItiG supply EFP-2 from Units 1/2 steam.

O AP-790 REV 05 PAGE 14 of 55 SB0

'3 . 0 FOLLQMILACJ1QEL(IDEIID1 gJJQgS DETAILS N91e Remote Shutdown Station PZR level is uncompensated. At 2155 psig, uncompensated level will read approximately 60" lower than actual level.

3.22 WJiG the Remote Shutdown 1 Establish conununications Station is manned, with the Control Room. '

IEG transfer control to the Remote Shutdown Station. 2 _ _ Notify SSOD to transfer "B" controls and verify "B"

" RELAYS ENERGlZED" light is lit.

3 Notify 5500 to transfer "A" controls and verify "A" "FELAYS ENERGlZED" light is lit.

4 __ Notify SS00 to proceed to the Remote Shutdown Station.

5 Transfer "AB" and "NON-SAFETY" controls.

6 Notify Control Room that transfer is complete.

3.23 Ensure all ES 4160V bus o ES 4160V A Bus load Bkrs are open and o ES 4160V B Bus DC control power is Off.

O AP-790 REV 05 PAGE 15 of 55 SB0

Table 1: Isat Monitor Adequate Subtooling Margin 4

Reactor Coolant MARGIN

> 1500 psig 30'f s 1500 to > 250 psig 50'r s 250 to > 150 psig 70'f 5 150 psig SPDS 1 200*F N/A 3.9 If adequate subcooling margin does NQ1 exist.

IBEN raise OTSG levels to 95% with EFW, AND begin a cooldown at maximum rate.

3.10 if-4160V ES bus power is available, 1818 CONCURRENTLY PERf0RM AP 770. Emergency Diesel Generator Actuation, beginning with Step 3.1, 680.00 TO Step-3.28 in this procedure.

O 3.11 If RCS PRESS increases to = 2400 psig, IBEN manually open the.PORV to reduce RCS PRESS based on subcooling.

3.16 if OTSG-PRESS decreases to 5 100 psig 6HD Units 1/2 steam is available, IdLN supply EfP-2 from Units 1/2 steam.

AP 790 REV 05 PAGE 16 of 55 SB0

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10 FQLLOW-UP ACTIONS (C9HT'D) l 1

ACTIONS DETAILS I

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E01R Ensure VBDP-3 Bkr 22 and VBDP 6 Bkr 3 remain closed to provide power to the VHF repeaters and the commercial telephone.

3.24 Reduce loads supplied by 1 .___ Open all VBDP 3 through Control Room distribution VBDP-7 load breakers panels VBDP 3 through VBDP-7. except VBDP 3 Bkr 22 and VBDP 6 Bkr 3.

2 Open VBDP 4 and VBDP-5 " MAIN" Bkrs.

11012 FWP 5A and FWP 58 should be cperated for 30 minutes following event initiation.

O 3.25 If power restoration has not occurted, JJif3 begin DPDP load shedding.

1 .___ Place FWP 5A in Pull to-lock, 2 _ Place FWP 5B in Pull-to lock.

3 _ Using Enclosure 1, open the listed DPDP switches.

3.26 De energize plant computer 1 ___. Open Inverter "AC Input" Bkr.

Inverter VBIT lE.

2 _ Open Inverter "AC Output" Bkr.

3 _ Open inverter " Battery input" Bkr.

O AP-790 REV 05 PAGE 17 of 55 SB0

Table 1: Tsst Monitor Adequate Subcooling Margin q Reactor Coolant MARGIN

> 1500 psig 30'F s 1500 to > 250 psig 50'F s 250 to > 150 psig 70'F s 150 psig SPDS s 200'F N/A 3.9 E adequate subcooling margin does 1GI exist, I ltib raise OTSG levels to 95% with EfW.

A!!Q begin a cooldown at maximum rate.

3.10 E 4160V ES bus power is available, 111W CONCURRENTLY PERFORM AP-770. Emergency Diesel Generator Actuation, beginning with Step 3.1, 6N.D GO TO Step 3.28 in this procedure.

3.11 E RCS PRESS increases to = 2400 psig, IliW manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 E OTSG PRESS decreases to s 100 psig AtiQ Units 1/2 steam is available, Ilid supply EFP-2 from Units 1/2 steam.

O AP-790 REV 05 PAGE 18 of 55 SB0

'3.0- F01. LOW-UP A.CJ10NS (CONIlp_1

( 0 ACTIONS DETAILS m) l 3.27 'iti[ti main generitor H, o pressure pressure ha, decrease' d to Use local H,TB-156-PI, indication,

= 0 psig, located on 95' TB.

Itiffi stop TBP-3 and TBP 10 AND open DPDP switches for 1 ___ Place TBP-3 control switch these pumps, in Pull-to-lock.

2 __ Open DPDP 10, switches 2 and 16.

3 __._ Open DPDP 38, switches 17 and Continue on in this 13.

procedure.

3 28 _.. W!!Eff E3 4160V power is available, THEN continue this procedure.

/G 3.29 Ensure ES channels are 1 Close VBDP-4 and V energized VBDP-5 " Main" Bkrs.

2 Close VBDP-3 Bkrs 1, 3 and 5.

3 Close VBDP-4 8krs ) through 6.

4 Clox VBDP-5 Bkrs I through 6.

5 Close VBDP-6 Bkrs 2, 4 and 6.

i l 6 _ If ES channels werc-l de-energized, l

THEN reset the 3 ES power supplies located in ES actuation test cabinets, i

O AP-790 REV 05 PAGE 19 of 55 SB0

"9 ,

Table 1:- Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

> 1500 psig -30*F s 1500 to > 250 psig 50'F s 250 to > 150 psig 70*F 1 150 psig 5PDS 1 200'F N/A 3.9 1E adequate subcooling margin does NOT exist, JHf3 raise OTSG levels to 95% with EFW, MQ begin a cooldown at maximum rate.

3.11 lE RCS PRESS increases to = 2400-psig, IREN manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 If OTSG PRESS decroses to s 100 psig MQ Units 1/2 steam is available, (q) JEEN supply EFP-2 from Units 1/2 steam.

AP-790 REV 05 PAGE 20 of 55 SB0

m 9

3.0 FOLLOW-UP ACTIONS (CONT'D)

() ACTIONS DETAILS 3,30 JI RB Isolation is actuated, "RB 150 RBl" Id[E bypass or reset RB "RB 150 RB2" Isolation on both A and B "RB ISO RB3" channels.

3.31 lE LPI is actuated, "LPI RC4" IEEN bypass or reset LPI "LPI RC5" on both A and B LPI "LPI RC6" channels.

3.32 1E HPI is actuated, "HPI RCl" THEN bypass or reset HPI "HPI RC2" on both A and B HPl "HPl RC3" channels.

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AP-700 REV 05 PAGE 21 of 55 580

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- Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

> 1500 psig 30*F 1 1500 to s 250 psig 50'F s 250 to > 150 psig 70*F

$ 150 psig SPDS s 200'F N/A 3.9 E adequate subcooling margin does E01 exist, IBM raise OTSG levels to 95% with EFW.

AND begin a cooldown at maximum rate.

3.11 E RCS PRESS increases to = 2400 psig, Ilim manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 E OTSG PRESS decreases to s 100 psig A AHQ Units 1/2 steam is available, V THEN supply EFP-2 from Units 1/2 steam.

9 O

AP-790 REV 05 PA2t 22 of 55 580

3.0 FOLLOW-UP ACTIONS (CONT'0)

IT ACTIONS DETAILS V

hte if the A ES 4160V ES/UV Undervoltage Lockout has actuated, it will be necessary to defeat this lockout by opening Switch AY, located in ES 4160V l Bus A Cubicle 3A13, Dummy Bkr, and reset the Undervoltage Lockout.

3.33 Restore power to ES 4160V 1 Ensure switchgear roor,< fs A Bus. cleared prior to energizing the bus.

2 Close DPDP 5A, switches 9 and 10.

3 Close one of the fol'. sing feeders by selecting -t0SE position far = 10 seconds:

o 3211, Unit 3 Offsite Power Transformer, O o 3205, Unit 3 Startup Transformer, Q3 o 3209, If EDG-1A is operating at rated voltage and speed.

4 If Switch AY in Cubicle l 3A13, Dummy Bkr, is open, THEN close the switch.

5 If EDG is supplying the bus, THEN CONCURRENTLY PERFORM AP-770, Emergency Diesel Generator Actuation, beginning with Step 3.4.

O AP-790 REV 05 PAGE 23 of 55 SB0

9 -

Table 1: Tsat Monitor Adequate Subcooling Margin p Reactor t olant MARGIN

> 1500 psig 30'F s 1500 to > 250 psig 50'F s 250 to > 150 psig 70*F S 150 psig SPDS

$ 200'F N/A 3.9 If adequate subcooling margin does ILOI exist, Itim raise OTSG levels to 95% with EFW.

MQ begin a cooldown at maximum rate.

3.11 1E RCS PRESS increases to = 2400 psig, 1118 manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 IE OTSG PRESS decreases to s 100 psig MQ Units 1/2 steam is available, O' IliB supply EFP-2 from Units 1/2 steam.

l AP-790 REV 05 PAGE 24 of 55 SB0

4 20 FOLL93-UP ACTIOES_LQQEl'Dj i EllqN_S DUA1LS E012 If the B ES 4160V ES/UV Undervoltage Lockout has actuated, it will be necessary to defeat this lockout by opening Switch AY, located in ES 4160V l Bus B Cubicle 382, Dummy Bkr, and reset the Undervoltage Lockout.

3.34 Restore power to ES 4160V 1 ___ Ensure switchgear room is B Bus, cleared prior to energizing the bus.

2 Close DPDP 5B, switches 9 and 10.

3 ___ Close one of the following feeders by selecting CLOSE position for = 10 seconds:

o 3212, Unit 3 Offsite Power fransformer, O QB v o 3206, Unit 3 Startup Transformer, QE o 3210, if EDG-18 is operating at rated voltage and speed.

4 1[ Switch AY in Cubicle 382, Dummy Bkr, is open, THEN close the switch.

5 1[ EDG is supplying the bus, THEN CONCURRENTLY PERFORM-AP-770, Emergency Diesel Generator Actuation, beginning with Step 3.4.

1 l

AP-790 REV 05 PAGE 25 of 55 5B0 f

.c Table 1: Tsat Monitor Adequate Subcooling Margin Reactor-Coolant MARGIN ,

> 1500 psig 30*F s 1500 to > 250 psig 50*F 5 250 to > 150 psig 70*F s 150 psig SPDS

$ 200'F N/A 3.9. If adequate subcooling margin does @l exist, J11ER raise OTSG levels to 957. with EFW.

SED begin a cooldown at maximum rate.

3.11 If RCS PRESS increases to = 2400 psig, JJiG manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 If OTSG PRESS decreases to 1 100 psig AND Units 1/2 steam--is available,

'O I!18 supply EFP-2 from Units 1/2 steam.

O AP-790 REV 05 PAGE 26 of 55 S80

3 .0 FOLLOW-UP ACTIONS (CONT'DJ ACTIONS DETAILS 3.35 1E any of Steps 3.20 through 3.26 of this procedure have been performed, IllEN continue on in this procedure.

IE EDI, l!![N G0 10 AP-530, Natural Circulation, beginning with Step 2.1.

3.36 Align battery chargers, in o Open the AC input Bkrs preparation for power for all battery chargers listed restoration, below:

DPBC-1A DPBC-1B 0FBC-lc

_ DPBC-lD DPRC-lE DPBC-lf O

AP-790 REV 05 PAGE 27 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margin

~

Reactor Coolant MARGIN

> 1500 psig 30'F s 1500 to > 250 psig 50*F 1 250 to > 150 psig 70*F s 150 psig SPDS 1 200*F N/A 3.9 1[ adequate subcooling margin does HQ1 exist, JJiEH raise OTSG 1evels to 957 with EFW.

6HQ begin a cooldown at maximum rate.

3.11 If RCS PRESS increases to = 2400 psig, 1RM manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 If OTSG PRESS decreases to s 100 psig AN_Q Units 1/2 steam is available, O IRQ supply EFP-2 from Units 1/2 steam.

O AP-790 REV 05 PAGE 28 of 55 SB0

3.0 FOLLOW-UP ACTIONS (CONT'0) p.CTIONS DETAILS l 3.37 H any ES 480V bus is o ES 480V Bus 3A:

de-energized, I!G energize the de- 1 1E UV lockout relay are tripped l energized bus or busses. THEN reset the lockout relays located behind the MCB.

I 8627/ESA 2 ___ 86X27/ESA 2 Ensure closed DPDP SA, l switches 9, 10, and 18, 3 Ensure DC control power in ON for Bkr 3221.

4 Close Bkr 3221.

5 Close Bkr 3311.

o ES 480V Bus 3B:

1 IE UV lockout relay is O tripped, V THEN reset the lockout relay located behind the MCB.

l o 8627/ESB 2 Ensure closed DPDP 58, l switches 9, 10, and 2.

3 Ensure DC contial power in ON for Bkr 3220.

4 Close Bkr 3220.

5 Close Bkr 3310.

3.38 Ensure all ES 480V MCCs ES MCC 3Al are energized. ES MCC 3A2 ES ftCC 3A3 ES MCC 3B1 ES MCC 382 ES MCC 383 ES MCC 3AB AP-790 REV 05 PAGE 29 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margin 4 -

3 Reactor Coolant MARGIN

'- l - > 1500 psig 30'F s 1500 to > 250 psig 50*F

$ 250 to > 150 psig 70'F s 150 psig SPOS

$ 200*F N/A 3.9 1E adequate subcooling margin does E01 exist, lhEN raise OTSG levels to 95% with EFW.

8HD begin a cooldown at maximum rate.

3.11 1E RCS PRESS increases to = 2400 psig, IEE8 manually open the PORV to reduce RCS PRESS based on subcooling.

)

3.16-1E OTSG PRESS decreases to s 100 psig rT aHD Units 1/2 steam is available, (c,) THEN supply EFP-2 from Units 1/2 steam.

O AP-790 REV 05 PAGE 30 of 55 SB0

20 FO ROW-UPJ QJJQt(S (CONT'p]

I ACTIONS DETAILS 3.39 Place battery chargers in o Close the AC input Bkr at each service as listed, battery charger listed below:

_ DPBC-1A

_ DPBC-1B

._ DPBC-lC

,_ DPBC-10

_ DPBC-lE

_ DPBC-lf 3.40 Energize all DPDPs. o Refer to Enclosure 1 for DPDP Bkrs.

o Refer to OP-705, Emergency Power - DC System, Section 4.5.

o Refer to OP-700E, 125/250 Volt DC Distribution Panels, DPDPs.

3.41 __ Energize plant computer 1 Close Inverter " Battery Inverter VBIT-lE. Input" Bkr.

2 Close Inverter "AC Output" Bkr.

3 Close Inverter "AC Input" Bkr.

4 Verify normal Inverter AC output voltage of approximately 120V.

3.42 Ensure all 120V AC Vital buses are energized, 6N!Q close VSDP load Bkrs.

3.43 Ensure ICS and NNI systems are energized.

3.44 Reset the NI/RPS power supplies located in the

[V) RPS cabinets.

AP-790 REV 05 PAGE 31 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

-U > 1500 psig 30*F s 1500 to > 250 psig 50'F s 250 to > 150 psig 70*F s 150 psig SPDS s 200*F N/A 3.9 IE adequate subcooling margin does N_ql exist.

JJiG raise OTSG levels to 95% with EFW.

AND begin a cooldown at maximum rate.

3.11 11 RCS PRESS increases to = 2400 psig, JJiB manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 IE OTSG PRESS decreases to s 100 psig g MQ Units 1/2 steam is available,

{Q ltiB supply EFP-2 from Units 1/2 steam.

AP-790 REV 05 PAGE 32 of 55 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D)

(l ACTIONS DETAILS

- \s /

3.45 Transfer control to the 1 Establish communications Cont rol i.com, with the Control Room.

2 Ensure control switch status in the Control Room agrees with the Remote Shutdown Station.

3 Transfer "AB" and "NON-SAFETY" controls.

4 Transfer "A" controls and verify "A" RELAYS ENERGIZED light is out.

5 Transfer "B" controls and verify "B" RELAYS ENERGlZED light is out.

6 Notify the Control Room that transfers complete.

'3.46 Energize ES 4160V A Bus 1___ Place and hold SWP-1 A cooling water pumps control switch in STOP.

needed for plant cooling. .

2 Ensure DC control power is ON l for SWP-1A, Bkr 3A7.

3 ___ Place SWP-1A control switch in NORM-AFT-START.

4 Ensure RWP-2A control switch is selected to NORM-AFT-STOP.

5 Ensure DC control power is ON l for RWP-2A, Bkr 3A6.

6 Start RWP-2A.

l-O l

AP-790 REV 05 PAGE 33 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margii.

Reactor Coolant MARGIN-V > 1500 psig 30*F s 1500 to > 250 psig 50*F s 250 to > 150 psig 70*F i 150 psig SPDS s 200*F N/A 3.9 If adequate subcooling margin does NOT exist, I!iQ raise OTSG levels to 95% with EFW.

ANQ begin a cooldown at maximum rate.

3.11 lE RCS PRESS increases to = 2400 psig, THEN manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 IE OTSG PRESS decreases to s 100 psig

("N AND Units 1/2 steam is available,

-() 111@ supply EFP-2 from Units 1/2 steam.

AP-790 REV 05 PAGE 34 of 55 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D) p ACTIONS DEIA]Il

\J 3.47 If EFW is required, 1 Ensure DC control power l THEN start EFP-1 is ON for EFP-1, Bkr 3A3.

AND CONCURRENTLY PERFORM AP-450, Emergency.Feedwater 2 Start EFP-1 from the Main Actuation, beginning with Control Room.

Step 3.9.

3.48 F EFP-2 is NOT required, Close ASV-5 and ASV-204.

l31H stop EFFT2.

3.49 IE adequate subcooling margin exists, JTH GO TO Step 3.54 in this procedure.

IF HPI flow is required, 1 Ensure MUV-16, Seal 3.50 --~~ TREN establish HPI flow to Injection Control Valve the RCS using MVP-1A. is closed.

p:

y ,j LF NOT,

" HEN GO TO Step 3.52 in 2 .._. Verify "SWGR TRANSF PERMIT" light is lit for MVP-1A this procedure.

3 Ensure MVP-1A control switch is selected to NORM-AFT-STOP.

4 Ensure MUV-73 is open.

S Ensure MVP recirc valves are open:

o MUV-53 o MUV-257 6 Ensure MVP-1A Main Lube Oil l Pump, MVP-2A, is operating.

7 Ensure MVP-1A Main Gear Oil l Pump, MVP-4A, is operating.

8 Ensure DC control power l is ON for MUP-1A, Bkr 3A10.

9 ___ Start MVP-1A.

10 Establish HPI using all 4 injection lines.

O AP-790 REV 05 PAGE 35 of 55 S80

- s, .

Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant -MARGIN

> 1500 psig 30*F i 1500 to > 250 psig 50*F s 250 to > 150 psig 70*F s 150 psig SPDS 1 200'F N/A 3.9 IF adequate subcooling margin does NOT exist, TREN raise OTSG 1evels to 95't. with ET9.

M!Q begin a cooldown at maximum rate.

P 3.11 LE RCS PRESS increases to = 2400 psig, IllE!j manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 lE OTSG PRESS decreases to < 100 psig AND Units 1/2 steam is avaiTable, TIIEN supply EFP-2 from Units 1/2 steam.

O O

AP-790 REV 05 PAGE 36 of 55 SB0

s .

3.0 FOLLOW-UP ACTIONS (CONT'D)

/~'T ACTIONS DETAILS LJ CAUTION HPI flows must not be throttled to < 100 gpm/ pump with MVP rectre valves closed, to prevent pump damage.

N_012 JF HPI flow is 2 200 gpm for any nozzle, as indicated on the narrow range l HP1 flow instrument, THEN use the wide range HPI flow instrument for that nozzle on ES Section of the Main Control Board.

3.51 1E HPI throttle HPI throttle requirements:

requirements are met, THEN throttle HPl as o HPI must be throttled to maintain required. subcooling margin < 100*F when no RCPs are operating.

IF NOT, THEN close MVP recirc valves o LF adequate subcooling exists AND ensure HPI is maximized based on incores, and balanced on all 4 THEN HPI must be throttled to

(~'\ injection lines. maintain RCS PRESS and TEMP below

(,) the NDT curve as shown on SPDS, or see Enclosure 3.

o' HPI must be throttled to maintain HPI flow < 540 gpm per pump, o HPI should be throttled to maintain PZR level 80" to 220" WHEN adequate subcooling margin exists based on incores.

o HPI may be throttled when adequate subcoolin based on incores. g margin exists AP-790 REV 05 PAGE 37 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margin Reactor Coolant MARGIN

> 1500 psig 30'F s 1500 to > 250 psig 50'F s 250 to > 150 psig 70'F

$ 150 psig SPDS S 200*F N/A 3.9 "

'F adequate subcooling margin doesN JT exist,

EN raise OTSG levels to 95% with EFW.

MD begin a cooldown at maximum rate.

3.11 ;F RCS PRESS increases to = 2400 psig, JEB manually open the PORV to reduce RCS PRESS based on subcooling..

3.16 IE OTSG PRESS decreases to < 100 psig AND Units 1/2 steam is avalTable, lE[HsupplyEFP-2fromUnits1/2 steam.

O l

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AP-790 REV 05 PAGE 38 of 55 SB0

3.0 FOLLOW-UP ACTIONS _(CONT'D1 ACTIONS DETAILS 3.52 __ IE additional cooling 1 Ensure SWP-1B control water pumps are needed switch is selected to for NORM-AFT-STOP.

JJt!@ plant cooling, energize cooling water pumps powered from 2 Ensure DC control power ES 4160V B Bus, is ON for SWP-1B, Bkr 3B8.

3 Start SWP-18, 4 Ensure RWP-2B control switch is selected to NORM-AFT-STOP.

5 Ensure DC control power is ON l

for RWP-2B, Bkr 3B9.

6 Start RWP-28.

3.53 CONCURRENTLY PERFORM 1 of the following procedures based on T,nc,7, T inc,,, Procedure

< Adequate AP-380, ESA Subcooling beginning with Margin Step 3.3 Superheated EP-290, ICC beginning with Step 3.1 O

AP-790 REV 05 PAGE 39 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margin

.- Reactor Coolant MARGIN

's > 1500 psig 30'F s 1500 to > 250 psig 50*F s 250 to > 150 psig 70*F 1 150 psig SPDS

$ 200'F N/A 3.9 .

F adequate subcooling margin does (L0_T exist, 1EN raise OTSG levels to 95% with EFW.

As0 begin a cooldown at maximum rate.

3.11 If RCS PRESS increases to = 2400 psig, JhG manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 LF. OTSG PRESS decreases to < 100 psig Ab0 Units 1/2 steam is avaiTable, TIIN supply EFP-2 f om Units 1/2 steam.-

O O

AP-790 REV 05 PAGE 40 of 55 580

3.0 FOLLOR-UP ACTIONS (CONT'D)

') ACTIONS DETAILS NJ 3.54 WB M Unit 3 Startup Refer to 0P-703, Plant

_ Transformer is available, Distribution System, Section 4.1.

IH G perform normal electrical distribution startup.

Continue on in this procedure.

3.55 JF adequate subcooling See Table 1 for adequate sub-margin exists, cooling margins.

IB M CONCURRENTLY PERFORM AP-530, Natural Circulation, beginning with Step 3.3.

O i

AP-790 REV 05 PAGE 41 of 55 SB0

Table 1: Tsat Monitor Adequate Subcooling Margin g Reactor Coolant' MARGIN

> 1500 psig 30'F s 1500 to > 250 psig 50*F.

s 250 to > 150 psig 70'F s 150 psig SPDS 1 200'F N/A 3.9 lE adequate subcooling margin does 801 exist, IBER raise OTSG levels to 95% with EFW.

AND begin a cooldown at maximum rate.

3.11 lE RCS PRESS increases to = 2400 psig, IEEN manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 IE OTSG PRESS dec eases to s 100 psig 7 AND Units 1/2 steam is available, IdEH supply EFP-2 from Units 1/2 steam.

O AP-790 REV 05 PAGE 42 of 55 SB0

-, - . . - - ~_ .- - -

3.0 FOLLOW-UP ACTIONS (CONT'D1 t' ACTIONS DETAIL 1

}

CAUTION Ensure cooling water is supplied to MVP prior to starting.

3.56 IE 2 1 MVP is HQI 1 Ensure closed MVV-16, Seal operating, Injection Control Valve.

IH1H start 1 MVP aMD establish RCS Make-up 2 Ensure closed MVV-31, PZR and RCP Seal Injection. Level Control Valvo.

3 Verify "SWGR TRANSF PERMIT" light is lit for desired MVP to be started.

4 Ensure MVP Main Lube Oil Pump running.

5 Start MVP Main Gear Oil Pump.

6 Ensure respective suction valves are opened.

(f 7 Start desired MVP.

8 Ensure open MUV-18, Seal Injection Block Valve.

9 Throttle open MVV-16 to obtain 2 gpm/RCP.

10 Ensure open MUV-253, RCPs-Controlled Ble:d Off MOV.

11 Throttle open MUV-16 over a 30 min period to establish = 10 gpm/RCP.

12 Operate MUV-31 to obtain desired PZR level.

AP-790 REV 05 PAGE 43 of 55 SB0

L .

Table 1: Tsat Monitor Adequate Subcooling Margin

-Reactor Coolant MARGIN

\) > 1500 psig 30'E s 1500 to > 250 psig 50*F s 250 to > 150 psig 70*F s 150 psig SPDS s 200*F N/A 3.9 E adequate subcooling margin does @l exist, Iti@ raise OTSG levels to 95% with EFW, AJJ begin a cooldown at maxitaum rate.

3.11 E RCS PRESS increases to = 2400 psig, THEN manually open the PORV to reduce RCS PRESS based on subcooling.

3.16 E OTSG PRESS decreases to s 100 psig

(~ A_ND Units 1/2 steam is available,.

( IliG supply EFP-2 from. Units 1/2 steam.

O AP-790 REV 05 PAGE 44 of 55 SB0 l

l

i l . l 3.0 FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAILS 3.57 J1 RCS letdown flow is 1_ Ensure the following valves desired, are closed:

IllLN restore letdown flow o _ MVV-49 o MUV-50 o MVV-51 2 ___ Place desired letdown coolers in service:

1 Ensure SW cooling 2 Ensure MV inlet and outlet valves are open 3 _ Restore letdown flow:

1 Open MUV-49 2 Throttle Open MUV-51 to establish = 2.5 gpm each minute for 20 minutes O,o 3 Allow letdown temperature to stabilize for = 10 minutes 4 Open MUV-50 5 Throttle MUV-51 to establish-desired letdown flow.

3.58 Determine the operability GO T0 appropriate ops for plant of balance of plant systems operational guidance.

equipment and restore plant systems as required.

O AP-790 REV 05 PAGE 45 of 55 SB0 l

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AP-790 REV 05 PAGE 46 of 55 SB0

. . _ ,, u, - . - . _ _ . _ ..._;..... _ _ . . . _ _ . .._._ .. _ . _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _

[ Enclosure 1 ,

DPDPSwitches(Step 3.25) .

DEgg- 1A (108' CC A Battery Room) DPDP-1B (108' CC B Battery Room)

Switch # Onen Closed Switch # Qpen Closed 1 18 1 --

6 .____

13 QPOP_5A (124' CC A 480V ES Room) OfDE:.5B (124' CC B 480V ROCM)

Switch # Open Closed _ Switch # Open Closed I __ l --

2 _ .. 2 3 3 - --

i 4 4 6 6 8 7 -

9 __

0 10 9

-11 10 .

14 14 15 ' 15 . _ _ _

O l' 19

. l' 18

~

21 21 22 --

23 23 24 .__ ,

25 25 27 27 __. .

28 ._.._ 25 29 .___. __ 30 31 ._. 31 -

, DPDP-6A (119' AB EGDG-1A Room) DPDf'-63 (119' AB EGDG 1B Room)

Switch # Ooen Closed hitch # Open . Closed

-1 _ l 3 3 _--

4 4 - ---.

6 6 7 __ 7 8 __. , _ . _ . _ 8 9 _ 9 14 14

O AP-790 REV 05 PAGE 47 of 55 580

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AP 790' REV 05 PAGE 48 of 55 580 .

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l Enclosure 1 (CONT'D)

DPDP Switches (Step 3.25)

' QEQp_.JB DPDP-7A (Control Room) (Control Room) r Switch # Open Closed. Switch # Oper Closed. -

s 1 1 l 3 3 4 4 ,

7 5

12 ,

7 14 DPDP 88 (108' CC A 4160V ES Room) DPDP 8B (108' CC B 4160V SWGR P40m)

I Lw.it ch # ODen Closed Switch 8 09en Closed 1 1 2 2 '

7 9 8 ,__. 10 '

9 11 10 12 13 21 14 0

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AP-790 REV 05 PAGE 49 of 55 SB0

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AP-790 RL. 15- PAGE 50 of 55 SB0

, e-+-me e v ww w -.. e-- e s ww--ee+e -e-w w e ,v r =NrW em eve--mw mwiw r w+vri,mr -w- ww- -

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t d 6 Enclosure 2

~

Supplying EfP-2 from Units 1/2 Steam

1. Perform valve alignment o ASDT-1 valve alignment:

for ASDT 1 & 2.

Open ASV-93, Root isol.

Open ASV-Il8, Inlet.

Close ASV-Il7, Outlet.

Fully open ASV Iv9 and blowdown through orificed cap as required.

Close ASV-101, Bypass.

o ASDT-2 valve alignment:

Open ASV-91, Root Isol.

Open ASV-120, Inlet.

__ Close ASV-Il9, Outlet.

Fully open ASV Il0 and blowdown through orificed cap as required.

Close ASV 102, Bypass.

2. 1E steam line up to ASV-18 Ensure Auxiliary Steam Tie line is 1101 warmed, is drained of condensate prior

(% IHfB notify Unit 1/2 to opening ASV-18. 1 1 Control Room to start warmup & pressurization of steam line up to ASV-18,

3. Perform warmup & pressurization 1 Close the following ASV between ASV-18 and ASV-16 isolation valves:

ASV-15 ASV-183 ASV 16 2 Throttle open ASV-18 one turn off closed seat.

3 Ensure condensate removal via ASDT-1 4 WHEN steam PRESS is equalized around ASV-18, I!!@ open ASV 18.

O AP-790 REV 05 PAGE 51 of 55 SB0 ,

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O AP-790 REV 05 PAGE 52 of 55 SB0

t. . . . . . . . _ . .

_=. - - - . .

- . - _ _ . . - . - . - - . - - - . - . . _ - - . ~ _ - - . - . - - - - . _ -

Enclosure 2 (CONT'D)

Supplying EFP 2 from Units 1/2 Steam

4. Perform warmup & pressurization 1 Ensure closed ASV-33.

of Auxiliary Steam >

Line to EFP-2. 2 Open ASV-23.

3 Throttle open ASV-15 one turn off closed seat. -

4 Wild steam PRESS is ,

equalized around ASV-15, Ilt@ open ASV-15.

O O >

l AP-790 REV 05 PAGE 53 of 5b SB0

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AP-790 REV 05 PAGE 54 of 55 SB0 1

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l Enclosure 3 Cooldown Curves O' 2 r_.___.. . ~ . . . _ - _ _ . . _ - - - . ~ . - - . - . . - - - - - . .

2400 2200 2000 1800:

NDT m CURVE 3 1600

\x n

S g 1400

5. ASCM l' 3 CURVE ,

1200 \  !

$ g O -l 1000

'N N SATURATION O CURVE

[ 800 600 400 200 l

/

0 .

100 200 300 400 500 600 700 RCS TEMPERATURE

  • F l

l Acceptable region is:

i o below and to the right of the NDT curve o above and to the lef t of the Adequate Subcooling Margin curve AP-790 REV 05 PAGE 55 of 55 SB0

_