ML13311A494
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}}{{#if:TECHNICAL SPECIFICATIONS & TEST REPORTS, TEST/INSPECTION/OPERATING PROCEDURES|{{#arraymap:TECHNICAL SPECIFICATIONS & TEST REPORTS, TEST/INSPECTION/OPERATING PROCEDURES|,|x|| }}{{#if:{{#show:ML13311A494|?site}}|{{#invoke:Navbox|navbox}}
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{{#Wiki_filter:501-1.2-1.t3 TRANSFER TO COLD LEG INJECTION REV 0 AND RECIRCULATION 0 STP ACTION/EXPECTED
RESPONSE
RESPONSE NOT OBTAINED EMERGENCY INSTRUCTION S01-1.2-1.13 TRANSFER TO COLD LEG INJECTION AND RECIRCULATION I. PURPOSE The purpose of this instruction is to provide a method to terminate safety injection after a LOCA where the RWST level has dropped below 211 and to provide recirculation of the spilled coolant from the contaiment sump back to the RCS and containment sprays. 0L 8205240468 820520 PDR ADOCK 05000206 1 of 7 F PDR
501-1.2-1.13 TRANSFER TO COLD LEG IJECTION REV 0 AND RECI1RCULATION ACTION/EXPECTED RESPONSE ESPONSE NOT OBTAINED 1 Reset SI:
- a.
SLSS surveillance panel
- a. Reset ST at SLSS load group lights - ON.
surveillance panels.
- b. Verify lockout switches
- b. Manually reset RESET.
lockout switches. 2 Stop Automatic Make UP:
- a.
Depress automatic make
- a. IF automatic make up stop pushbutton.
s stopped, THEN place boric acid selector switch out of AU7O. 3 Establish Charging Flow Path .hrough the Si Cold Leg Injection Lines:
- a. Align cold leg injection flowpath:
MOV 356 - OPEN. MCV 357 - OPEN. MOV 358 - OPEN. MOV 18 - OPEN. MOV 19 - OPEN.
- b. Isolate noral charging flowpath:
FCV 1112 - CLOSED. CV 304 - CLOSED. 4 Check Charging Flow Capability:
- a. Both charging pump breakers
- a. IF second charging CLOSED.
pump not available, THEN go to step 5 b. 2 of 7
ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Establish Flow Through The $1 Cold Leg Injection Lines:
- a. Place seal supply flow
- a. IF unable to establish controllers on MANUAL T1ow due to instrument AND throttle flow to air failure, THEN go Ta-ntain.
to step 6. Three injection lines 200 GPM PER LINE, THEN go to step 5 c. OR Two injection lines 300 GPM PER LINE THEN go to step 5 c.
- b. With one charging punp
- b.
unable to establish running, place seal supply 7ow due to instrument flow controllers on MANUAL air failure, THEN c AND throttle flow to to step 6. maTntain: Three injection lines 100 GPM PER LINE. OR Two injection lines 150 GPM PER LINE.
- c.
Go to step 7. 3 of 7
ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 6 Place Backup Seal Supply Piow Controllers in Service:
- a. For each controller:
- 1) Place aux nitrogen supply ON.
- 2) Place aux position control ON.
- 3) Adjust aux controller to to obtain desired flow per step 5.
- 4) Place aux position control OFF.
- 5) Repeat 2), 3) AND 4) for any further fl5W adjustments.
- b. SI cold leg injection
- b. IF flow NOT flow established.
established, THEN attempt to align norm! charging flow path. 7 Stop SI System Pumps:
- a. Stop both feed pumps.
- b. Stop both SI pumps.
4 of 7
S-1-.2-1.13 TRANSFER TO COLD LEG INJECTION REV 0 AND REC I RCULATIOT ACTION /EXPECTED
RESPONSE
RESPONSE NOT OBTAINE 8 isolate SI:
- a. Close MOV 850 A, B AND C.
- b. Close HV 851 A AND B.
- c. Close HY 853 A AND B.
- d. Close CV 875 A AND B.
- e. Close SV 2900 AND SV 3900.
- f. Close manual bonnet vent valves for HY 853 A AND HV 853 B.
CAUTI ON Do not exceed 600 gpm with two charging pumfps OR 300 gpm with one charging pump to avoid potential damage to the 1 charging pumps. 9 Disable Residual Heat Exchanger inlet MOV-s:
- a. Open MOV 822 A breaker 42-1164 AND open MOV 822 B breaker 42-1266.
5 of 7
501-1.2-1.13 TRANSFER TO COLD LEG TI4JECTION REV 0 AND RECIRCULATION STP - ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED CAUTI ON The Cold Leg Recirculation System must be in service before the RWST level is 7% to insure adequate NPSH to the refueling water pump and charging pump. 10 Establish Cold Leg qecirculatior:
- a. Start both recirculation pumps AND run for two minutes againslVflosed discharge valves.
- b. Verify two CCW pump
- b. Manually start pumps breakers -
CLOSED. as necessary.
- c. Verify that at least one
- c. Manually start pump saltwater cooling pump as necessary.
breaker - CLOSED.
- d. Open recirculation heat
- d. Locally trip open exchanger CCW valves CV 737 A AND B.
CV 737 A AND B.
- e. IF containment spray is in
- e. Locally trip closed operation, THEN override AND CV 517 AND CV 518.
close CV 517R) CV 518.
- f. IF both refueling water pumps are running, THEN stop one pump.
- g. Open MOV 866 A AND B.
- h. Close MOY 883.
- h. Locall close 6 of 7
S01-1.2-1.13 TRANSFER TO COLD LEG IMkECTION REV 0 AND RECIRCULATION SACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 11 One Hour After SI Recirculation Is Established Reduce Injection Flow:
- a. Throttle FCV 1115 D, E AND
- a. IF two loops are F to 70 gpm to each loop.
available, THEN set 105 gpm flowT3 each loop. 12 Subsequent Action:
- a. Continue with procedure in effect.
-ENC H. E. MORGAN MANAGER, STATION OPERATIONS 7 of 7}}