ML20044C909
| ML20044C909 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 04/28/1993 |
| From: | Marlow T ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17263A255 | List: |
| References | |
| AP-CR.1, NUDOCS 9305140010 | |
| Download: ML20044C909 (11) | |
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1 Tu AP-CR.1 CONTROL ROOM INACCESSIBILITY PAGE 1 of 10 a:
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ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER i
TECHNICAL REVIEW l
PORC REVIEW DATE Oh" D
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Mvruta h (A _
PLANT SUP5RINfENDENT S-l-9 3 j
EFFECTIVE DATE i
CATEGORY 1.0 REVIEWED BY:
O 9305140010 930505 PDR ADOCK 05000244 F
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AP-CR.1 CONTROL ROOM INACCESSIBILITY PAGE 2 of 10 i
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i A.
PURPOSE - This procedure provides the guidance necessary to f'
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 f
c.
Noxious Fumes in the Control Room, or d.
Intrusion I
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AP-CR.1 CONTROL ROOM INACCESSIBILITY
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ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED l
STEP i
i NOTE: Steps 1 and 2 are immediate action steps.
Verify Reactor Trip:
Manually trip reactor. JfE the Rx can FOI be tripped from the Control s
o At least one train of reactor Room IHM dispatch personnel to trip breakers - OPEN locally open the reactor trip breakers.
e o Neutron flux - DECREASING r
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o MRPI indicates - All. CONTROL AND SHUTD0k'N RODS ON BOTTOM 4
Verify Turbine Stop Valves -
Manually trip turbine. If turbine CLOSED can NOT be tripped, THEN close both-j MSIVs.
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ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED STEP l
NOTE: Conditions should be evaluated for site contingency reporting (Refer to EPIP-1.0, CINNA STATION EVENT EVALUATION AND CIASSIFICATION).
I 3 Evaluate Control Room
,LE significant loss of safety
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Conditions:
related controls or indications is suspected, THEN perform the i
o Verify no fire in progress following:
Verify no significant loss of
- a. Manually close both MSIVs.
o safety related controls or 1
indications
- b. Trip both RCPs.
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- c. Place both PRZR PORV switches to CLOSE.
- PCV-430 f
a PCV-431C
- d. Operating shift personnel proceed to Appendix R locker immediately outside the Control Room.
- e. One SRO and communicator proceed I
to TSC.
- f. Co to SC-3.30.1, ALTERNATIVE SHUTD0k'N FOR CONTROL COMPLEX FIRE. DO N0_I continue in this procedure.
4 Establish Local Operating Stations (Refer to Attachment s
CR EVAC) t 5
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- AP-CR.1 CONTROL ROOM INACCESSIBILITY PAGE 5 of 10 l
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N.A ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED STEP 5 Locally Verify Emergency AC Consider restoration of emergency Busses 14 And 18 - ENERGIZED AC power using SC-3.30.1, (A D/G room at ELCP)
ALTERNATIVE SHUTDOWN FOR CONTROL COMPLEX FIRE.
6 Locally Establish AFW Flow To S/Gs:
- a. Transfer MDAFJ pump control to IACAL
- b. Start MDAFJ pumps - ANY PUMPS
- b. Locally perform the following:
RUNNING
- 1) Open TDAFJ pump steam supply valves at the steam header.
- MOV-3504A
- MOV-3505A
- 2) Insert pins in valve O(/
operators for TDAFJ flow control valves to allow operation of valves.
- 3) Throttle TDAFJ flow to each S/G as necessary.
- 4) Go to Step 7.
- c. Verify MDAFJ pump flow - LESS
- c. Locally throttle MDAFJ flow THAN 230 CPM PER RUNNING PUMP control valves as necessary.
- MOV-4007
- MOV-4008 l
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AP-CR.1 CONTROL ROOM INACCESSIBILITY Plu'E 6 of 10 fs ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED STEP 7 Monitor RCS Temperature -
II RCS temperature decreasing, THEN TEMPERATURE STABLE perform the following:
- a. Control S/G feeding to that required to maintain level.
- b. If cooldcvn continues, THEN ensure MSIVs closed.
- c. If MDAPW pump available to feed S/Gs, THEN manually isolate steam supply to TDAF'J pump.
- V-3505
- V-3505 lE RCS temperature increasing, THEN perform the following:
- a. Locally open S/G ARVs as necessary.
- b. If ARVs ] LOT adequate, THEN perform the following:
[
- 2) Open priming ejector steam t
supply root valve. V-3578
- 3) Throttle open selected priming ejector steam supply to 200 psig (PI-2019)
- Priming ejector A, V-3581
- Priming ejector b, V-3580
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ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED STEP r
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t 8 Establish Charging Flov i
Control:
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- a. Transfer charging pump control
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to LOCAL ii
- b. Verify at least one charging
- b. Locally start one charging pump.
l pump - RUNNING 5
- c. Check PRZR level - GREATER
- c. Iecally increase charging pump THAN 13%
speed. If necessary THEN locally start a second charging pump.
- d. Locally control charg*ag speed j
and letdown orifices as necessary to restore PRZR level i
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to program i
a 9 Monitor PRZR Pressure -
If pressure increasing, Ilig ensure PRESSURE STABLE RCS temperature and PRZR level stable.
If pressure decreasing, THEN perform the following:
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- a. Transfer PRZR heater backup d
group to local control (MDAFW l
pump area).
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- b. Verify PRZR level greater than j
136.
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- c. Energize PRZR heater backup l
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group.
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ACTION / EXPECTED RESPONSE RESPONSE NOT ObTAINED STEP CAUTION k' HEN BORATION COMPLETE. THEN HIGH CONCENTRATION BORIC ACID SHOULD BE FLUSHED FROM RCP SEAL INJECTION LINES.
10 i'.stablish CSD Xenon Free Boron Concentration:
- a. Determine amount of boron required (R'ter to 0-3.1, BORON CONCENTRATION FOR THE XENON FREE ALL RODS IN - MOST REACTIVE ROD STUCK OUT SHUTD0k'N MARGIN)
- b. Iecally open emergency borate
- b. Perform the following:
valve, MOV-350 - VALVE OPEN
- 1) Locally open manual charging pump suction from Rk'ST, V-358 (charging pump room between A k
and B pumps).
- 2) Go to Step 10e.
- c. Transfer boric acid pump control to IDCAL
- d. Start one boric acid pump Borate until required amount of e.
boric acid added O
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REV: 12 AP-CR.1 CONTROL ROOM INACCESSIBILITY PAGE 9 of 10 ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED STEP 11 Check SW Pumps - AT LEAST ONE Transfer SU pump control to lhCAL RUNNING IN EACH LOOP (At and start pumps as necessary.
local operating stations by TDAFW pump) 12 Check CNMT Recirc Fans - AT Transfer CNMT RECIRC fan control to LEAST TWO RUNNING (At local LOCAL and start fans as necessary.
operating stations by TDAFW pump) 13 Monitor S/G Levels:
Locally throttle AW flows as necess.ry.
o Levels - APPROXIMATELY 350 INCHES
- MDAW pump A, MOV-4007 o Levels - STABLE
- MDAW pump B, MOV-4008
- TDAW pump to S/G A. ADV-4297
- TDAW pump to S/G B, AOV-4298 14 Evaluate Control Room Return to Step 3.
Conditions - CONTROL ROOM HABITABLE
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4 AP-CR.1 CONTROL ROOM INACCESSIBILITY PAGE 10 of 10 l
O ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED l
STEP CAUTION
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s VHEN THE CONTROL ROOM IS MANNED BY NRC LICENSED PERSONNEL, THEN EQUIPMENT CONTRO', MAY BE TRANSFERRED BACK TO THE CONTROL ROOM IN AN ORDERLY MANNER.
I CONSULT FIANT STAFF FOR ADDITIONAL CUIDANCE.
15 Establish Normal Control Room Operation:
- a. Restore normal control room o
f operation of equipment
- b. Consult Plunt Staff to determine
- b. IE cooldown hX required, THEN if cooldown is necessary go to 0-3, HOT SHUTDOWN WITH XENON PRESENT.
- c. At least one RCP - RUNNING
- c. Perform the following:
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- 1) Ensure 2 control rod shroud fans running.
- 2) Go to ES-0.2, NATURAL CIRCULATION COOLDOWN, Step 1.
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- d. Go to 0-2.2, PLANT SHUTDOWN FROM HOT SHUTDOWN TO COLD SHUTDOWN l
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AP-CR.1 APPENDIX LIST TITLE PAGES 1)
ATTACHMENT CR EVAC 1
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