ML17261B110

Rev 10 to AP-CR.1, Control Room Inaccessibility

ML17261B110
Person / Time
Site:	Ginna
Issue date:	06/27/1990
From:	Widay J ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17261B111	List: ML17261B110 ML17261B112 ML17261B113 ML17261B114 ML17308A122
References
AP-CR.1, NUDOCS 9007310038
Download: ML17261B110 (14)

Text

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AP-CR.1

'- 6/l9/0/

CONTROL ROOM INACCESSIBILITY

/87//D&YO REV:

10 PAGE 1 f 6 ROCHESTER GAS AND ELECTRIC CORPORAT ON GINNA STATION ONTROLLED COPY NUMBER CHNICAL RE IEW PORC REVIEW E

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EFFECTIVE DATE CATEGO 1.0 REVI ED BY 90073l003S 900725 PDR ADOCK 0 000244

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DATE TIME COIViPLET DATE TIME:

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AP-CR. 1 CONTROL ROOM INACCESSIBILITY REV:

10 PAGE 2 of 6 A.

PURPOSE This procedure provides the step necessary to place and maintain the plant in a Hot Shutdown Condition in the event that a control room evacuation is necessary.

B.

ENTRY CONDITIONS/SYMPTOMS 1.

SYMPTOMS The symptoms of CONTROL ROOM INACCESSIBILITY are; a.

Fire in the Control Room, or b.

Smoke in the Control Room, or c.

Noxious Fumes in the Control Room, or d.

Intrusion

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AP-CR.1 CONTROL ROOM INACCESSIBILITY REV 10 PAGE 3 of 6 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED NOTE:

Steps 1 and 2 are immediate action steps.

O 1

Verify Reactor Trip:

o Reactor trip breakers

- OPEN o

MRPI indicates

- ALL CONTROL AND SHUTDOVN RODS ON BOTTOM o

Neutron flux - DECREASING Manual trip the reactor from the control board.

IF the Rx can NOT be tripped from the Control Room, THEN locally open the reactor trip breakers.

O 2

Verify Turbine Stop Valves CLOSED Manually trip turbine from MCB.

IF turbine can NOT be tripped at the MCB, THEN close both MSIVs.

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AP-CR. 1 CONTROL ROOM INACCESSIBILITY REV:

10 PAGE 4 of 6 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 3 Verify That Fire HAS NOT Significantly Damaged The MCB Control Circuits o

MCB -

NO FIRE OR FIRE UNDER CONTROL o

Safety related controls and indications -

NO SIGNIFICANT LOSS OF CONTROLS/INDICATION Perform the following actions:

a.

Close both MSIVs.

b. Trip both reactor coolant pumps.

c. Close both PRZR relief valves, PCV-430 (431C).

d. Proceed to the Appendix R

locker, immediately outside the Control Room.

e. Control Room Foreman and communicator proceed to TSC and refer to SC-100 for report requirements.

f. Implement procedure SC-3.30.1, ALTERNATIVE SHUTDOWN FOR CONTROL COMPLEX FIRE.

DO NOT continue in this procedure.

NOTE:

Refer to SC-100, GINNA STATION EVENT EVALUATION AND CLASSIFICATION.

4 Establish Local Operating Stations (Refer to Attachment A) 5 Establish AFW To The Steam Generators:

a. Start

".- BOTH MOTOR DRIVEN APW PUMPS-

b. Verify MDAPW pump flows - LESS THAN 230 GPM

a. Start the TDAPW pump.

Locally open TDAFW pump steam admission valves at the steam header MOV-3504A, MOV-3505A.

b. Locally throttle AFW flow.

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AP-CR.1 TITLE:

CONTROL ROOM INACCESSIBILITY REV:

10 PAGE 5 of 6 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 6 Establish Charging Flow:

a. Charging pumps - AT LEAST ONE RUNNING

a. Start a charging pump.

b. Control charging and letdown-TO MAINTAINPRESSURIZER LEVEL 7 Establish Boration Of The RCS To The Xenon Free CSD Condition:

a. Refer to 0-3.1 FOR DETERMINATION OF AMOUNT OF BORIC ACID TO BE ADDED

b. Start - A BORIC ACID PUMP

c. Manually open - MOV-350

d. Stop boration -

WHEN REQUIRED BORIC ACID HAS BEEN ADDED 8

Check SW Pumps AT LEAST ONE RUNNING IN EACH LOOP Start pumps as necessary.

9 Check CNMT Recirc Fans AT LEAST TWO RUNNING Start fans as necessary.

10 Check S/G Levels BETWEEN 77~o AND 854 Throttle AFV flow as necessary.

ll Check IF THE CONTROL ROOM IS AGAIN HABITABLE Return to Step 5.

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AP-CR.1 CONTROL ROOM INACCESSIBILITY REV 10 PAGE 6 of 6 STEP ACTION/EXPECTED RESPONSE

RESPONSE

NOT OBTAINED 12 Establish Normal Control Room Operations:

a. Restore

- NORMAL OPERATION OF EQUIPMENT o

Refer to 0-2.2, PLANT FROM HSD TO COLD SHUTDOWN

-OR-o Refer to ES-0.2, NATURAL CIRCULATION COOLDOWN

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AP-CR.1 TITLE:

CONTROL ROOM INACCESSIBILITY REV:

10 PAGE 1 of 1 ATTACHMENT A Duties of Personnel During a Control Room Evacuation SHIFT SUPERVISOR Will direct overall plant operations and recovery actions.

No specific duty station is assigned but the Shift Supervisor should maintain communication with the various groups working to recover from the evacuation.

CONTROL ROOM FOREMAN I

Will assist.

the Head Control Operator in transferring equipment to local control, after completion of the transfer the Control Room Foreman will direct the oper-ator's actions to recover the plant.

HEAD CONTROL OPERATOR Will go to Auxiliary Feedwater pump area taking operating procedures "O" book, official records; curve book with him and transfer equipment to local control.

CONTROL OPERATOR Will go to the local operating station in the Charging Pump Room.

PRIMARY AUX OPERATOR Will go to the local operating stations in the Boric Acid Tank Room.

SHIFT TECHNICAL ADVISOR Will assist the Head Control Operator while remaining cognizant".of plant conditions.

OTHER PERSONNEL Will assume fire fighting or other duties as directed by the Shift Supervisor or Control Room Foreman.

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