ML20133N335

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Rev 7 to FR-C.3, Response to Saturated Core Cooling
ML20133N335
Person / Time
Site: Ginna Constellation icon.png
Issue date: 01/10/1997
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17264A801 List:
References
FR-C.3, NUDOCS 9701230251
Download: ML20133N335 (5)


Text

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l LOP: IIILE: l 1 REV: 7  :

FR-C.3 RESPONSE'TO SATURATED CORE COOLING I PAGE 1 of 5

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ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER l

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'8 RESPONSIBLS p AGER l 9 7 l EFFECTIVE DATE 1

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CATEGORY 1.0 l

REVIEWED BY:

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9701230251 970110 PDR ADOCK 05000244 F PDR

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REV: 7 l~ FR-C.3 RESPONSE TO SATURATED CORE COOLING l PAGE 2 of 5 lO l

A.

PURPOSE - This procedure provides actions to restore core coolingT~

l B. ENTRY CONDITIONS / SYMPTOMS

1. ENTRY CONDITIONS - This procedure is entered from:

l a. F-0.2, CORE COOLING Critical Safety Function Status Tree, on a YELLOW condition.

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FR-C.3 RESPONSE.TO SATURATED CORE COOLING l l PAGE 3 of 5 l0 -

STEP -

ACTION / EXPECTED RESPollSE RESPO!1SE 110T OBTAIt1ED l L1QIE: o If either ECA-3.2. SGTR WITH LOSS OF REACTOR COOLANT - SATURATED l RECOVERY DESIRED or ES-1.3. TRAt1SFER TO COLD LEG RECIRCULATI0t1 ic ,

l in effect. this procedure chould not be performed. '

l o Adverce CNMT values should be used whenever Ct1MT precoure is greater than 4 psig or Ct1MT radiation ic greater than 10+05 R/hr.

1 Check RER Nonnal Cooling - Refer to AP-RHR.1. LOSS OF RER. l l NOT IN SERVICE i i

2 Check RNST Ievel - GREATER Encure SI system aligned for cold-  ;

l THAN 28% leg recirculation using Steps 1 i through 12 of ES-1.3. TRAt1SFER TO COLD LEG RECIRCULATI0tl.

l 3 Verify SI Flow:

O a. SI line loop A and B flow a. Manually start SI pumps and

( indicatora - CHECK FOR FLOW align valves.

l b. RCS preocure - LESS THA!1 b. Go to Step 4.

l 250 poig [465 poig adverse CllMT]

c. RHR loop flow indicator - CHECK c. Manually start RHR pumps and FOR FLOW align valves.

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l - REV: 7 FR-C.3 RESPONSE'TO SATURATED CORE COOLING l PAGE 4 of 5 STEP - ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED l

CAUTION l

IF ANY PRZR FORV OPENS BECAUSE OF HIGH PRZR PRESSURE, IT SHOULD BE CLOSED AFTER PRESSURE DECREASES TO LESS THAN 2335 PSIG (REFER TO STEP 4B).

1 4 Check PRZR PORVs And Block Valves:

a. Power to PORV block valves - a. Rectore power to block valvec AVAILABLE unlecc block valve was closed to isolate an open PORV:
  • MOV-515. MCC D position 6C e MOV-516. MCC C position 6C l b. PORVs - CLOSED b. If PRZR precoure lecc than l 2335 psig. THEN manually cloce PORVs.

l l 1E any PORV can UDI be closed.

! THEN manually close its block valve.

c. Block valves - AT LEAST ONE OPEN c. Open one block valve unlecc it

! was closed to isolate an open PORV.

d. Rx veccel head vent valves - d. Manually close valves.

l CLOSED e SOV-590 l e 50V-591 l e SOV-592 l . SOV-593 l

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STEP -

ACTIQti/ EXPECTED RESPO!!SE RESPO!!SE !!OT OBTAIllED 5 Return To Procedure And Step In Effect

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