ML20204J954

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Rev 1 to Emergency Operating Procedure FR-C.3, Response to Saturated Core Cooling
ML20204J954
Person / Time
Site: Millstone, Haddam Neck, 05000000
Issue date: 06/03/1988
From:
CONNECTICUT YANKEE ATOMIC POWER CO.
To:
Shared Package
ML20204H467 List: ... further results
References
FR-C.3, NUDOCS 8810250300
Download: ML20204J954 (3)


Text

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3 1986 NUMBER TTT12 REY. ISSUE /DATE FR C.3 RESPONSE TO SATURATED CORE COOLING Rev. 1 I

A. PURPOSE This procedure provides actions to restore subcooled core cooling.

B. SYMPTOMS OR ENTRY CONDITIONS Dis meedure is entered from F 0.2, CORE COOLING Critical Safety Function Status Tree, on YjiLLOW condition. ,

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8810250300 001007

PDR ADOCK 05000213 i P PDR

JUN 3 1988 NUMBER TTT U REY. ISSLT/DATE i FR.C.3 RESPONSE TO SATURATED CORE COOLING Rev.1 STEP ACT10N/ EXPECTED RESPONSE RESPONSE NOT OBTAISTD r

,l CAUTION: IF THL RWST LEVEL DECREASES TO LESS THAN 130.000 GALLONS, THE SI SYSTEM SHOULD BE A12GNED FOR RHR RECIRCULATION USING ES 1J, TRANSFER TO RHR RECIRCULATION.

L J NOTE: IF ECA 3.2 SGTR WITH LOSS OF REACTOR COOLANT -

SATURATED RECOVERY DESIRED, lS IN EFFECT, 7HIS PROCEDURE SHOULD NOTBE PERFORMED.

1 CIIECK RiiR SYSEM HAS NOT GQIQ AOP 3.212, BEEN PLACED IN SERVICE LOSS OF RIIR SYSTEM.

2 VERIFY SI FLOW:

, a. Check charging pump flow a. Start charging pumps and align indicators - valves as necessary.

INDICATE FLOW

b. Check liPSI pump AMP meten - b. Start HPSI pumps and align valves GREATER DIAN 115 AMPS as necessary.

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c. Check RCS pn:ssure - e. QQ IQ Step 3.

LESS TIIAN 405 PSIO (635 PSIG FOR ADVERSE CONTAINMEST)

d. Check LPSI pump AMP meters - d. Start LPSI pumps and align valves GREATERillAN 60 AMPS as necessary.

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JUN 3 1988 HUGER EU REY. lSSUESA1E s FR C.3 RESPONSE TO SATURATED CORE COOLING Rev.1 STEP ACT10N/ EXPECTED RESPONSE RESPONSE NOT OBTAIST.D 3 CHECK RCS VENT AhD DRAIN PATES CLOSED:

a. Check power to PRZR PORY a. Restore power to PRZR PORY block valves - block valves.

AVAILABLE

b. Check PRZR PORVs CLOSED b. Manually close PRZR PORVs.

IE any PORV can EQI be closed.

'IHEN manually close its block valve.

c. Check other RCS vent paths - c. Manually .OR locally close any open CLOSED RCS vent paths.
d. Check drain header ISOLATED d. Cose all fourloop drain header MOVs.
e. Checkletdown ISOLATED e. Cose letdown isolation valve LD MOV 200.

4 RETURNIQ PROCEDURE AND STEP IN EFFECT END I

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