ML20072A637

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Rev 1 to EOP-12, Station Blackout
ML20072A637
Person / Time
Site: Crystal River 
Issue date: 07/25/1994
From: Halnon G
FLORIDA POWER CORP.
To:
References
EOP-12, NUDOCS 9408150132
Download: ML20072A637 (36)
v • d • e


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DOCUMENT TRANSMITTAL 18124-

~FOR DOCUMENT NOTIFICATION A11D/OR TRANSMITTAL TO: NRC (DC DESK)

MAC: N/A DESTINATION:

F DESCRIPTION:

DATE:

Mon Jul 25 12:38:47 1994 CPY COPY TOTALS DOCUMENT REV COMMENTS INFO CNTL MSTR EOP0012 01-7 1

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INSTRUCTIONS TO THE ADDRESSEE:

IF YOU ARE A HOLDER OF A HARD COPY, PLEASE VErar V itlE DOCUMENTis) RECEIVED ACREES WITH THE ABOVE DESCRIPTION.

BE SURE TO DESTROY DOCUMENT (S) OR PORTIONS Of DOCUMENT [S) SUPERSEDED BY THE ABOVE.

THE SiONATURE INDICATES THAT YOU HAVE READ AND UNDERSTAND TOESE INSTRUCTIONS AND THE CHANCES TO THE DOCUMENTS.

RETURN SIGNED AND DATED TRANSMITTAL TO DOCUMENT CONTROL WifHiN 20 DAYS AT MAIL CODE; _X.i NR2B SA1G

~ NA1C

[ Florida Power Corporation Docisnent Control Crystal River Enetoy Conpea 15760 W. Power Line St.

Crystal River, FL34428-6708-SiONATURE OF ADDRESSEE -

__ _._DATE INDEPENDENT VERIFICATION tControl Room Docun.enis Onirl DATE 110044 t

h{ h 9408150132 940725 fDR ADOCK 05000302 PDR

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SB0 REV 01 E0P-12

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STATION BLACK 0UT 1.0 ENTRY CONDITIONS 1E in MODES 1 through 4, neither 4160V ES bus can be energized, THEN use this E0P.

2.0 IMMEDIATE ACTIONS This E0P has no Immediate Actions.

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- --mmwa xmwsmren.rarsame This Procedure Addresses Safety Related Components T!9 Approved by MNP0 /

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E0P-12 PAGE 1 of 35 SB0

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RULE #3, EFW CONTROL 1

Ensure EFW flow limits are NOT exceeded...

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2 Ensure required 0TSG level...

L 3

Jf adequate subcooling margin does NOT exist, IliG ensure OTSG levels are continuously progressing towards 80 -

90%...

4 EFW flow should be throttled to prevent OTSG PRESS from decreasing >

100 psi below desired setpoint...

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\\J E0P-12 REV 01 PAGE 2 of 35 SB0

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J.0 FOLLOW-UP ACTIONS 10

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ACTIONS DETAILS PLANT STATUS:

o Both ES 4160V Buses are de-energized, o

The Reactor and Turbine are tripped 3.1 Minimize RCS inventory o Close MUV-49 to isolate letdown.

loss.

Valve position indication is available at the ES-B panel.

o Close MUV-253 to isolate CBO.

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

3.2 Ensure core cooling.

o EFP-2 started o EFIC OTSG level control is selected to NAT CIRC setpoint

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o EFW flow exists to both OTSGs.

[ RULE #3, EFW CONTROL]

Hote Neutron flux recorders will not be cperable. Use edgewise meters for monitoring neutron flux levels.

=-

3.3 Verify the reactor is o IR flux decreasing.

i shutdown.

o SR flux decreasing.

o SR flux at shutdown level and not increasing.

O E0P-12 REV 01 PAGE 3 of 35 SB0 i

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E0P-12 REV 01 PAGE 4 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.4 Secure DC motors at the MVP-3A, MVP A B/U LUBE OIL PP Main Control Board that MVP-38, MVP B B/V LUBE OIL PP are not needed by placing MVP-3C, MVP C B/U LUBE OIL PP their control switches in RCP-3A, RCP A DC OIL LIFT PP Pull-to-lock.

RCP-3B, RCP B DC OIL LIFT PP RCP-3C, RCP C DC OIL LIFT PP RCP-3D, RCP D DC OIL LIFT PP 3.5 Actuate MS line isolation 1

Depress " Main Stm Isolation" on both OTSGs.

pushbuttons on EFIC Channels A and B for both OTSGs:

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

o MSV-411 o MSV-412 o MSV-413 o MSV-414 (3

Note In-plant communications should be made with the hand-held radios, on Channel 11 during the performance of this E0P.

3.6 Notify personnel of plant

S0TA, conditions as required.

Plant Operators, SS00 to evaluate plant conditions for potential entry into the Emergency Plan.

3.7 Notify available operator Locally observe EFP-2 performance and to observe EFP-2.

report indications of abnormal pump / turbine operation.

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E0P-12 REV 01 PAGE 5 of 35 SB0

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E0P-12 REV 01 PAGE 6 of 35 SB0

1 3.0 FOLLOW-UP ACTIONS (CONT'D)

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ACTIONS DETAILS 3.8 Continue attempts to o Attempt to restore EDG operation.

restore AC power to the 4160 ES buses, o Determine status of 230KV Switchyard o

Off-Site Power Source Xfmr o

Backup ES Transformer o Determine status of 500KV switchyard to establish backfeed.

3.9 If a tripped EDG exists, Tripped EDG recovery:

IHfB correct the cause of the trip and energize the 1

Block the EDG start command by affected Bus.

selecting the " NORMAL /AT ENGINE" switch to "AT ENGINE" on the Continue on in this procedure.

tripped EDG's gauge board.

2 Ensure condition causing trip is corrected.

3 Depress the " RESET" P/B on the

()

EDG gauge board.

L) 4 Wait at least 2 minutes to allow the shutdown relays to reset.

5 Select the " NORMAL /AT ENGINE" switch to " NORMAL" on the EDG gauge board.

The EDG should start and energize the bus if an undervoltage condition exists.

3.10 if, at any time while performing this E0P, 4160V ES bus power is available, l

IHEN GO TO Step 3.25 in this E0P.

s E0P-12 REV 01 PAGE 7 of 35 SB0

i Applicable Carry-over steps:

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3.10 IF 4160V ES power is available, GO TO Step 3.25...

V RULE #3, EFW CONTROL 1

Ensure EFW flow limits are NOT exceeded...

2 Ensure required 0TSG level...

~ ~

4 3

IE adequate subcooling margin does NOT exist, IEEN ensure OTSG levels are continuously progressing towards 80 -

90%...

4 EFW flow should be throttled to prevent OTSG PRESS from decreasing >

100 psi below desired setpoint...

Table 1 Adequate Subcooling Margin:

RCS Margin

> 1500 psig 30*F s 1500 to 50*F

> 250 psig 1 250 to 70*F

> 150 psig 1 150 psig SPDS

_ 200*F N/A

-s v

O E0P-12 REV 01 PAGE 8 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D)

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ACTIONS DETAILS 3.11 Jf, at any time while o See Table 1 for adequate subcooling performing this E0P, margins.

adequate subcooling margin does NOT exist, IM:

o Raise OTSG 1evels to 80 o Depress "95%" level select to 90% using EFW.

pushbutton on both OTSGs.

[ RULE #3, CONTROL EFW]

o Immediately begin a o There are no applicable cooldown cooldown at the maximum rate limits for this cooldown.

achievable rate.

R0lf The PORV and the High Point Vents should remain closed during performance of this procedure unless specifically directed otherwise.

O 3.12 Select PORV, RCV-10, to ICS panel control switch.

CLOSE.

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G E0P-12 REV 01 PAGE 9 of 35 SB0

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Applicable Carry-over steps:

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3.10 IF 4160V ES power is available, GO TO Step 3.25...

3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

Table 1 Adequate Subcooling Margin:

RCS Margin

> 1500 psig 30*F 1 1500 to 50*F

> 250 psig s 250 to 70*F

> 150 psig s 150 psig SPDS 1 200*F N/A O

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E0P REV 01 PAGE 10 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAILS 3.13 E at any time RC PRESS o E ASCM does NOT exist, 2 2400 psig, M open PORV to reduce RC PRESS to M reduce RC PRESS based

= 1600 psig on subcooling margin.

o E ASCM exists, Refer to table 1.

JEEN open PORV to reduce RC PRESS until either:

o RC PRESS > ASCM curve 03 o

RC PRESS = 1600 psig E the PORV is NOT High Point Vent valves:

available, IllEH energize and use the PZR A HOT LEG B HOT LEG High Point Vents.

DPDP-8A DPDP-5A DPDP-5B SW #13 SW #1 SW #1 RCV-159 RCV-157 RCV-163 RCV-160 RCV-158 RCV-164 O

iv 3.14 E any of the containment o DHV-4 "DH OUTLET IS0" (location is isolation valves listed in not accessible during an SBO) the details column were i

open when the SB0 event o DHV-41 "DH OUT CONT IS0" (located in

occurred, the triangle room 20' above floor)

THEN ensure that they are closed using the local o DHV-42 "DHP-1A RB SUMP" (located in handwheel.

A DH pit 12' above floor)

E the open containment o DHV-43 "DHP-1B RB SUMP" (located in isolation valve cannot be B DH pit 12' above floor)

closed, ILLEN complete ITS 3.6.3 o E the action statement for ITS action A to isolate the 3.6.3 is in effect for any other penetration.

valves prior to the SBO, THEN ensure that ITS 3.6.3 action A Continue on in this has been completed.

procedure.

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Q E0P-12 REV 01 PAGE.11 of 35 SB0 1

Applicabie Carry-over steps:

l 3.10 IF 4160V ES power is available, GO TO Step 3.25...

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3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

3,13 Control RC PRESS < 2400# using PORV or HPVs...

RULE #3, EFW CONTROL 1

Ensure EFW flow limits are NOT exceeded...

2 Ensure required OTSG level...

3 lE adequate subcooling margin does NOT exist, THEN ensure OTSG 1evels are continuously progressing towards 80 -

90%...

4 EFW flow should be throttled to prevent OTSG PRESS from decreasing >

100 psi below desired setpoint...

O E0P-12 REV 01 PAGE 12 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D)

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(,1 ACTIONS DETAILS l 3.15 Vent main generator H Notify available operator to perform pressure to = 0 psig 2 the following:

Venting will take = 20 1 Close H, isolation valves:

minutes to complete.

HYV-28 Continue on in this procedure.

GGV-213 GGV-220 2

Open H vent valves:

2 o GGV-232 o GGV-274 Valves are located on 95' TB at H2 manifold area.

l 3.16 Control EFW flow to

[ RULE #3, CONTROL EFW]

maintain RCS TEMP and minimize PZR outsurge.

U l 3.17 Provide cooling to the Ensure the following doors are open electrical equipment in and remain open until Control Complex the Control Complex.

ventilation is restored.

All Annunciator cabinet doors All ICS cabinet doors All NNI cabinet doors All EFIC cabinet doors All doors on the 145 ft.

elevation leading from the Control Room to the Turbine Building.

'a E0P-12 REV 01 PAGE 13 of 35 SB0

Applicable Carry-over steps:

l 3.10 IF 4160V Es power is available, GO TO Step 3.25...

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3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

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3.13 Control RC PRESS < 2400# using PORV or HPVs...

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E0P-12 REV 01 PAGE 14 of 35 SB0

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3.0 FOLLOW-UP ACTIONS (CONT'DF ACTIONS DETAILS

-l ' 3.18 H, at any time, while.

Notify available plant operator to performing this E0P, 0TSG perform Enclosure 7, EFP-2 Steam PRESS decreases to s 100 Lineup to Units 1/2.

psig 6.NJ Units 1/2 steam is.

N available, 1113 supply EFP-2 from Units 1/2 steam.

l 3.19 E instrument air is not Notify available operator to:

available, IliG align N, to the ADVs.

o Close N vent valve NGV-324.

g o Open N supply valve NGV-312.

2 l 3.20 Control OTSG PRESS to Use the ADVs to Stabilize RC TEMP.

prevent cooldown of the RCS.

Note FWP-5A and FWP-5B should be operated for 30 minutes following-event initiation.-

l 3.21 E power restoration has 1

Place FWP-SA in - Pull-to-lock.

not occurred, IllB stop FWP lube oil 2

Place FWP-5B in Pull-to-lock.

pumps.

l 3.22 De-energize plant computer 1

Open II.c;rtor "AC Input" Bkr.

Invertor VBIT-lE.

2 Open Invertor "AC Output" Bkr.

3 Open Invertor " Battery Input" Bkr.

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E0P-12

-REV 01 PAGE 15 of 35 SB0 1

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Applicable Carry-over steps:

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3.10 IF 4160V ES power is available, GO TO Step 3.25...

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3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

l 3.13 Control PC PRESS < 2400# using PORV or HPVs...

l 3.18 IF OTSG PRESS lowers to 5100 psig, Align AS to EFP-2...

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p.

O E0P-12 REV 01 PAGE 16 of 35 SB0

T 3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS l 3.23

}U1G main generator o Use local H pressure indication, pressure has decreased to TB-156-PI,b5'TB.

= 0 psig, 1113 purge the generator Notify available operator'to perform-using N for 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />, the following:

E until a total of 20" N g has been used.

1 Open generator purge valves, 95' Continue on in this procedure.

o GGV-233 o GGV-234 2

Open N, purge supply valves, 119' TB West of Cardox tank:

o NGV-325 o NGV-326 3

Ensure open, both N tank outlet 2

valves-t o NGV-260 o NGV-261 4 Record data:

i North N tank level inches South N tank level inches i

Time of purge start hours 5 WHEN either 1.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> has elapsed E a total of 20" N has been used, 2

IliEJ isolate the purge lineup by closing:

NGV-325 NGV-326 GGV-233 GGV-234 GGV-232 t

LO E0P-12 REV 01 PAGE 17 of 35-SB0-i

Applicable Carry-over steps:

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3.10 IF 4160V ES power is available, GO TO Step 3.25...

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3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

3.13 Control RC PRESS < 2400# using PORV or HPVs...

l 3.18 IF OTSG PRESS lowers to 1100 psig, Align AS to EFP-2....

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E0P-12 REV 01 PAGE 18 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D) pQ ACTIONS DETAILS l 3.24 MIEE main generator has 1

Place TBP-3 control switch in been purged with N Pull-to-lock.

EEE stop TBP-3 anb, TBP-10 AND open DPDP switches for 2

Open DPDP IC, switches 2 and 16.

these pumps.

3 Open DPDP 3B, switches 17 and Continue on in this procedure 13.

l 3.25 Place EFP-1 control switch Provides for controlled start-up in Pull-to-lock.

following power restoration.

Note Opening HPI pump Bkrs provides for controlled start-up following power restoration.

l 3.26 JF an ES actuation has 1

Ensure ES is bypassed or reset occurred prior to O

energizing the 4160V ES HPI bypassed or reset C) buses.

LPI bypassed or reset TBfB ensure ES is bypassed RBIC bypassed or reset or reset AND ensure HPI pump Bkrs 2

Position the following control are open.

switches to "STOP" then to

" NORM-AFT-STOP" MVP-1A MVP-1B MVP-1C l 3.27 WjiEH ES 4160V power is avail able, THEN continue this E0P.

C)i L

E0P-12 REV 01 PAGE 19 of 35 SB0 l

Applicable Carry-over steps:

j 3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

Oc 3.13 Control RC PRESS < 2400# using PORV or HPVs...

l 3.18 IF OTSG PRESS lowers to 5.100 psig, Align AS to EFP-2...

P P()'

O E0P-12 REV 01 PAGE 20'of 35 SB0

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3.0 FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAILS l - 3.28 Restore power to ES 4160V 1

Ensure switchgear room is A Bus.

cleared prior to energizing the bus.

2.

If the "A 4160V ES BUS ES/UV BLOCK LOCK OUT" has actuated, M defeat and reset this lockout:

Notify available PP0 to open knife switch "AY" in " DUMMY BREAKER" cubicle 3A13.

M "AY" is open,_

M reset UV lockout by depressing "A 4160 ES.VV RESET" pushbutton.

WHEN UV lockout has been

reset, M notify available PP0 to close knife switch "AY" in

" DUMMY BREAKER" cubicle 3A13.

3.

Close feeder Bkr from the available power source by holding in "CLOSE" position until the "4 KV ES BUS DEAD"-

annunciator alarm clears (normally 110 seconds):

3211, Unit 3 Offsite Power Transformer, j

l 98 i

l 3205, Unit 3 BEST, 0B 3209, If EDG-1A is operating at rated voltage and speed.

4 1E EDG is supplying the bus, M CONCURRENTLY PERFORM AP-770, Emergency Diesel Generator Actuation, beginning l

with Step 3.2.

O E0P-12 REV 01 PAGE 21 of 35 SB0

Applicable Carry-over steps:

3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

fm s')

3.13 Control RC PRESS < 2400# using PORV or HPVs...

i l

3.18 IF OTSG PRESS lowers to s 100 psig, Align AS to EFP-2...

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E0P-12 REV 01 PAGE 22 of 35 SB0

i 3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS l 3.29 Restore power to ES 4160V 1

Ensure switchgear room is B Bus.

cleared prior to energizing the bus.

2.

E the "B 4160V ES BUS ES/UV BLOCK LOCK OUT" has actuated, IHEH defeat and reset this lockout:

Notify available PPO to open.

knife switch "AY" in " DUMMY BREAKER" cubicle 3B2.

WHEN "AY" is open, IllEN reset UV lockout by depressing "B 4160 ES UV RESET" pushbutton.

WHEN UV lockout has been

reset, IHEN notify available PP0 to close knife switch "AY" in

" DUMMY BREAKER" 382.

3.

Close feeder Bkr from the available power source. by holding in "CLOSE" position until the "4 KV ES BUS DEAD" annunciator alarm clears (normally < 10 seconds):

'3212, Unit 3 Offsite Power Transformer, 0_.8 l

3206, Unit 3 BEST, 0.B 3210,-If EDG-1B is operating at rated voltage and speed.

4 E EDG is supplying the bus, IlLEN CONCURRENTLY PERFORM AP-770, Emergency Diesel Generator Actuation, beginning l

with Step 3.2.

O E0P-12 REV 01 PAGE 23 of 35 SB0

i.

Applicable Carry-over steps:

3.11 IF ASCM does NOT exist, Cooldown as. rapidly as possible...

O" l

3.13 Control RC PRESS < 2400# using PORV or HPVs...

3.18 IF OTSG PRESS lowers to 1100 psig, Align AS to EFP-2...

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E0P-12 REV 01 PAGE 24 of 35 SB0 ye..-r.

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I 3.0 FOLLOW-UP ACTIONS (CONT'D)

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ACTIONS DETAILS l 3.30 E any ES 480V bus is de-o ES 480V Bus 3A:

energized, THEN energize the de-1 E UV lockout relays are energized bus or busses,

tripped, JM reset the lockout relays located behind the MCB.

1 8627/ESA 2

86X27/ESA 2

Close Bkr 3221.

3 Close Bkr 3311.

o ES 480V Bus 3B:

1 E UV lockout relay is

tripped, THEN reset the lockout relay located behind the MCB.

o 8627/ESB O

2 Close Bkr 3220.

w.e 3

Close Bkr 3310.

l 3.31 Ensure all ES 480V MCCs ES MCC 3Al are energized.

ES MCC 3A2 ES MCC 3A3 ES MCC 3B1 3*

ES MCC 382 ES MCC 383 ES MCC 3AB i

I CT O

i E0P-12 REV 01 PAGE 25 of 35 SB0 i

i Applicable Carry-over steps:

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3.11 IF ASCM does NOT exist, Cooldown as rapidly as possible...

(y}

3.13 Control RC PRESS < 2400# using PORV or HPVs...

l 3.18 IF OTSG PRESS lowers to 1100 psig, Align AS to EFP-2...

RULE #3, EFW CONTROL 1

Ensure EFW flow limits are NOT exceeded...

2 Ensure required 0TSG level...

3 IE adequate subcooling margin does NOT exist, IllB ensure OTSG levels are continuously progressing towards 80 -

90%...

4 EFW flow should be throttled to prevent OTSG PRESS from decreasing >

100 psi below desired setpoint...

Table 1 Adequate Subcooling Margin:

RCS Margin

> 1500 psig 30*F 1 1500 to 50*F

> 250 psig 5 250 to 70*F

> 150 psig (3

1 150 psig SPDS 1 200*F N/A p

\\_)

i E0P-12 REV 01 PAGE 26 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D)

(,,)

ACTIONS DETAILS l 3.32 Ensure SW and RW cooling o

SWP-1A or SWP-1B water systems are operating.

o RWP-2A or RWP-2B l 3.33 If EFW is required, o

Start EFP-1 from the Main THEN start EFP-1.

Control Room.

[ RULE #3, CONTROL EFW]

l 3.34 If EFP-2 is NOT required, Close ASV-5 and ASV-204.

IHEN stop EFP-2.

l 3.35 IE adequate subcooling Refer to Table 1, ASCM.

margin exists, l

IHEH GO TO Step 3.38 in this E0P.

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l E0P-12 REV 01 PAGE 27 of 35 SB0 l

1 l

RULE #1, LOSS OF SUBC00 LING MARGIN 1E adequate subcooling margin is lost,

[-

J3f3 perform the following:

1 Trip ALL RCPs immediately...

2 Ensure FULL HPI...

3 Ensure HPI flows are balanced...

RULE #4, PRESSURIZED THERMAL SH0CK 1

The PTS guidelines MUST be implemented when either of the following conditions exist:

o Forced RCS Flow: Teoid < 380*F AND cooldown rate exceeds T.S.

limit.

o N0 Forced RCS Flow: RCPs 0FF AND HPI flow exists.

2 PTS guidelines: Ensure minimum adequate subcooling margin is maintained...

Table 1 Adequate Subcooling Margin:

RCS Margin

> 1500 psig 30*F s 1500 to 50*F

> 250 psig s 250 to 70*F

> 150 psig

[)

(_,/

s 150 psig SPDS s 200*F N/A i

E0P-12 REV 01 PAGE 28 of 35 SB0

3.0 FOLLOW-UP ACTIONS (CONT'D)

,m (J)

ACTIONS DETAILS NOIE Rule 4, Pressurized Thermal Shock guidelines are applicable if HPI flow exists with RCPs off.

l 3.36 1E ASCM does NOT exist, 1

Ensure MVV-16, Seal Injection IliFJ Establish FULL HPI.

Control Valve is closed.

[ RULE #1, LOSS OF 2

Verify "SWGR TRANSF PERMIT" SUBC00 LING MARGUn lights are lit.

Refer to Table it.

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

4 Ensure BWST suctions to HPI are open.

o MUV-73 o MUV-58 5

Ensure MVP recirc valves are open:

o MVV-53 o MUV-257 6

Ensure associated Main Lube and Gear Oil Pumps are operating.

7 Ensure MVP cooling water supply.

8 One at a time, start 2 MVPs.

9 Establish HPI using all 4 injection lines.

l 3.37 GO TO E0P-03, Inadequate Subcooling Margin, Beginning with step 3.1.

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E0P-12 REV 01 PAGE 29 of 35 SB0

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E0P-12 REV 01 PAGE 30 of 35 SB0 l -

3.0 FOLLOW-UP ACTIONS (CONT'D) 7,'

ACTIONS DETAILS l 3.38 IE MUP is required 1

Ensure MUV-16, Seal Injection IHEN start 1 MVP Control Valve is closed.

AND establish RCP Seal i

Injection and Make-up.

2 Verify "SWGR TRANSF PERMIT" light is lit.

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

4 Ensure BWST suction'is open.

o MUV-73 o MUV-58 5

Ensure MVP recirc valves are open:

o MUV-53 o MUV-257 6

Ensure associated Main Lube and Gear Oil Pumps are operating.

7 Ensure MVP cooling water supply.

lVh 8

Start MVP.

9 Ensure open MVV-18, Seal Injection Block Valve.

10 Throttle open MUV-16 to obtain 2 gpm/RCP.

11 Ensure open MUV-253, RCPs Controlled Bleed-off M0V.

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

13 Operate MUV-31 to obtain desired PZR level.

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E0P-12 REV 01 PAGE 31 of 35 SB0

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'E0P-12 REV 01 PAGE 32 of 35 SB0 I

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.J, 3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS' l 3.39 If RCS make-up is Refer to Enclosure 4, RC letdown established, recovery.

MQ RCS letdown is

desired, IBEH restore RCS letdown.

l 3.40 Energize plant computer 1

Close Invertor " Battery Input" Invertor VBIT-1E.

Bkr.

2 Close Invertor "AC Output" Bkr.

3 Close Invertor "AC Input" Bkr.

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

l 3.41 GO TO E0P-2, VSSV, i

beginning with step 2.1.

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o 1

fi9.ure__1 Cooldown Curve for Natural Circulation and Forced Flow

.m I

2600 NORMALPOST l

TRIP WINDOW

' a\\

e-2400 A..

. - - + - -

4---

2200

-..l....

. l...

I NDT

CURVE, l

l 2000 t

L.-

i t

i

'ASCM 1800

CURVE

,(,

p 1600

. 7.-...- L -+..--.l I

T T

e NATURAU:

l l

I o,

v 1400 r

T -- IRCULATIONI - -

6

_ URVE I i

4 I

! 1200

.-r..

.. 7-.

7--

i C) l i

1 1000

---. {._.-}

?. ---

4 l

i t

0 800 L _.

... ~....l. __.

l

[

!\\

600 a...-......lh-I SATURATION l

CURVE!

+.

-.-4 400 1

l I

200

.L 1..

F.

7-

.-r --

.--..-...-7 i

i 1

0 i

1 I

100 200 000 400 500 600 700 F:CS TEMPERATURE

  • F Acceptable region is:

o below and to the right of the NDT curve o

above and to the left of the ASCM curve o

above and to the left of the Natural Circulation curve if RCPs are off and cooldown rate 210 F/hr E0P-12 REV 01 PAGE 35 of 35 SB0 y

. - -

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