ML20204K081

Rev 2 to Emergency Operating Procedure FR-I.2, Response to Low Pressurizer Level

ML20204K081
Person / Time
Site:	Millstone, Haddam Neck, 05000000
Issue date:	06/03/1988
From:	CONNECTICUT YANKEE ATOMIC POWER CO.
To:
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References
FR-I.2, NUDOCS 8810250340
Download: ML20204K081 (3)

Text

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JUN 3 1988 NUMBER TTT12 REY. ISSUFJDATE FR.I.2 RESPONSE TO LOW PRESSURIZER LEVEL Rev. 2

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A.

PURPOSE nis procedure provides actions to respond to a low pressurizer level B.

SYMPTOMS OR ENTRY CONDITIONS This procedure is entered from F-0.6, INVENTORY Critical Safecy Function Status Tree on a YELLOW condition.

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Page 1 of 3 8810250340 081C" l

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JUN 3 1988 NUMBER EU REY ISSUE /DATE FR.I.2 RESPONSE TO PRESSURIZER LOW LEVEL Rev.2

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$17.P ACT10N/EXPECED RESPONSE RESPONSE NOT OBTAINED 1

CHECK IF SI HAS BEEN ERMINARD:

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a. Check both HPSI pumps -

a. RETURN IQ procedure and step STOPPED ineffect.

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VERIFY LETDOWNISOLARD MANUALLY ISOLAE LEIDOWW.

3 CHECK IF CHARGING FLOW HAS BEEN ESTABLISHED:

a. Check charging pumps -

a. Perform the following:

AT LEAST ONE RUNNING i

1. Check CCW flow to RCP thermal j

barriers established.

E CCW flow to RCP thermal barriers NQIestablished, J

T11EN close RCP seal water supply valves CH V.345A through CH V 354D.

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2. Start one charging pump.

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b. Check containment instrument

b. Start one containment instrurnent air pressure -

air compressor e establish GREATER THAN 118 PSIG instrument air pressure.

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c. Check char #c flow-

c. Perform the following ESTABLIS 4E)

1. Select and place in mannual l

CH FCV 110 QR CH FCV.110A.

2. Set flow control valve for minimum.

3. O wn CH MOV 2928 and 1

Ci MOV 292C.

4 INCREASE CHARGING FLOW E CHARGING FLOW AT MAXIMUM, l

TO RESTORE PRZRIl! VEL T1IEN MANUALLY OPERATE Si PUMPS AS NECESSARY, E PRZR LEVEL CAN NQIBE

RESTORED, j

TliEN QQIQ E 1 LOSS OF REACTOR COOLANT. STEP 1.

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NUMBER MM REY. ISSUE /DAH FR.I.2 RESPONSE TO PRESSURIZER LOW LEVEL Rev.2

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STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED 5

CHECK PRESSURIZER LEVEL:

a. Checklevel INCREASING

a. RETURN IQ Step 4.

b. Checklevel-

b. RETURNIQ Step 5 a.

GREATER THAN 11.5 %

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TURN ON PRZR HEATERS AS NECESSARY 7

RETURNIQ PROCEDURE AND STEP IN EFFECT j

i END

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