ML20205C442: Difference between revisions
StriderTol (talk | contribs) (StriderTol Bot insert) |
StriderTol (talk | contribs) (StriderTol Bot change) |
||
Line 17: | Line 17: | ||
=Text= | =Text= | ||
{{#Wiki_filter:}} | {{#Wiki_filter:. | ||
STAT!6N PROCEDURE COVER SHF' g A. IDENTIFICATION Number; E0P 35 FR-C.1 Rev. 2, | |||
==Title:== | |||
RESPONSE TO INADEQUATE CORE COOLING 1 | |||
Prepared By: J. BUCKINGHAM/H. K. COVIN B. REVIEW I have reviewed the above procedure and have found it to be satisfactory. | |||
TITLE SIGNATURE DATE DEPARTMENT HEAD No (,, fl J- \ | |||
C. SPECIFIC UNREVIEWE0 SAFETY QUESTION EVALUATION REQUIRED: | |||
Modifies intent of procedure and changes operation of systems as described in design documents. YES [ ] NO [4 (If yes, perform written USQ determination and Safety , | |||
Evaluation, and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.) | |||
ENVIRONMENTAL REVIEW REQUIRED (Adverse environmental impact) YES [ ] NO C -7 | |||
: 0. SPECIFIC SAFETY FVALUATION REQUIRED Affects response of safety systems, performance of systems which may have been credited in the safety analysis or non-credited systems which may indirectly affect safety system response. YES [ ] NO [-7 (If yes, perform written Safety Evaluation and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.) | |||
E. INTEGRATED SAFETY EVALUATION REQUIRED YES [ ] NO [ T F. PROCEDURE REQUIRE b /SORC REVIEW (In addition to rebiew, item with a YES response must be documented in the 50RC meeting minutes.) YES [ g NO [ ] | |||
* G. 50RC APPROVAL /$0RC Meeting Number 3 -8 7-/hf H. APPROVAL AND IMPLEMENTATION The attached procedure is hereby approved, and effective on the date below: | |||
m, - | |||
$~/S~~ Yb Station / Service / Unit Superintendent Effective Date SF301/9/s/SES/87-12/lofi 8910260497 001007 PDR ADOCK 05000213 P PDR | |||
e e . | |||
E0P 35 FR-C.1 Page 1 | |||
. Rev. 2 | |||
~ | |||
0 RESPONSE TO INADEQUATE C,')RE COOLING Paae No. Eff Jej., | |||
1-9 2 4 | |||
O l | |||
l l | |||
l 9 | |||
RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Page 2 L Rev. 2 V | |||
A. PURPOSE This procedure provides actions to restore core cooling. | |||
d B. ENTRY CONDITIONS This procedure was written for Modts 1, 2, and 3. Using this procedure when not in these modes requires a step by step evaluation to determine if the required action is s'ill applicable to current plant conditions. | |||
This procedure is entered from EOP 35 F-0.2, CORE COOLING Critical Safety Function Status Tree, on the RED condition. | |||
t i | |||
f O | |||
I i | |||
i i | |||
O OPM64-2 344 e- -- | |||
r RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Page 3 Rev. 2 | |||
~ | |||
STEP ACTION /EXPECTF0 RESPONSE HESPONSE NOT OSTAINED l CAUTION | |||
: 1. If RWST level decreases to < 520,000 gal, the ECCS systems should be aligned for cold leg recirculation using E0P 35 ES-1.3, TRANSFER TO COLD LEG RECIRCULATION. | |||
: 2. RHR pumps should not be run with RHR Hx inlet temperatures > 195*F without RPCCW to the RHR Hxs. g 1 Verify ECCS Valve Alignment - Manually align valves-PROPER EMERGENCY ALIGNMENT as necessary 2 Verify ECCS Flow In All e Trains | |||
: a. Charging pumps SI a. START pumps and align flow indicator - valves as necessary CHECK FOR FLOW | |||
's b. SI pump flow b. START pumps and align indicators - CEECK valves as necessary FOR FLOW | |||
: c. RER pump flow c. START pumps and align indicators - CHECK valves as necessary FOR FLOW 3 Check RCP Support Conditions | |||
: a. Any 6.9 KV bus - a. Restore power to buses. | |||
ENERGIZED | |||
: b. RPCCW to RCPs - b. Establish RPCCW to RCPs. | |||
AVAILABLE | |||
: c. Seal injection to RCPs - c. Establish seal injection. | |||
CHECK FOR FLOW | |||
: d. Seal water return d. Establish seal water from RCPs - CHECK leakoff. | |||
FOR FLOW oPSO441 3-44 l | |||
I _ | |||
e . | |||
RESPONSE TO INADEQUATE CORE COOLING EOP 35 FR-C.1 Peg 2 4 Rev. 2 STEP ACTION / EXPECTED RESPONSg RESPONSg NOT 08TAINED 4 Check SI Accumulator Isolation Valve Status | |||
: a. Isolation valves - OPEN a. Open isolation valves as follows | |||
: 1) Restore power to isolation valves (32-2R-R5F, 32-2W-R3J, 32-2R-F4M, 32-2W-F4M) | |||
: 2) OPEN isolation valves UNLESS closed after e accumulator discharge | |||
: 3) Remove power from isolation valves. | |||
5 Check Core Exit TCs < 1200*F Go to Step 7. | |||
6 Check Core Exit TCs . | |||
: a. Temperature < 720'F a. IF decreasing THEN return to Step 1. IF NOT, THEN go to Step 7'. | |||
: b. Return to procedure f- g and step in effect ' | |||
7 Check Containment Hydrogen Concentration | |||
: a. Determine containment a. Have Chemistry obtain a hyrogen per OP 3313A, hydrogen sample per the NYDROGEN RECOMBINERS, POST ACCIDENT LIQUID HYDROGEN MONITORS AND SAMPLING SYSTEM RECOMBINER BLDO VENTILATION | |||
: b. Hydrogen concentration b. Consult Director of | |||
; < 5.0% Station Emergency l Organization (DSEO) for l tiditional recovery actions. Go to Step 8 | |||
: c. Hydrogen concentration c. Turn on hydrogen | |||
< 0.5% recombiner system per OP 3313A, NYDROGEN RECOMBINERS AND RECOMBINER BUILDING VENTILATION O | |||
OPKel t 3 44 l | |||
e e . | |||
RESPONSE TO INADEQUATE CORE C004}NG EOP 35 FR-C.1 Page 5 Rev. 2-(- | |||
d STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OSTAINED CAUTION | |||
: 1. CST water source for AFW pumps will be necessary IF,DWST level decreases to < 80,000 gal. | |||
: 2. A faulted or ruptured SG should NOT be used in subsequent steps UNLESS no intset SG is available. | |||
8 Check Intact SG Levels | |||
: a. Narrow range level a. Raise total feed flow | |||
> 4% (34% FOR ADVERSE to restore narrow range CONTAINMENT) level > 4% (34% FOR | |||
' ADVERSE CONTAINMENT). | |||
IF total feed flow | |||
< 525 gps, TNEN go to Step 17. OBSERVE NOTE l PRIOR TO STEP 17. | |||
: b. Control feed flow to maintsin narrow range level between 4% | |||
(34% FOR ADVERSE CONTAINMENT) and 50% | |||
9 Check RCS Vent Paths | |||
: a. PZR PORVs - CLOSED a. Manually close PZR PORVs. | |||
IF any valve can NE be closed, THEN manually close its block valve. | |||
! b. Block valves - AT b. Open block valve UNLESS LEAST ONE OPEN it was closed to isolate | |||
; an open PZR PORV. | |||
: c. Reactor vessel head vent c. Manually close reactor isolation valves - vessel head vent CLOSED isolation valves. | |||
: d. PZR vapor space d. Manually close PZR vapor sample isolation space sample isolation valves - CLOSED valves. | |||
O CP50ss 1 3-s4 | |||
e | |||
, RESPONSE TO INADEQUATE CORE COOLING EOP 35 FR-C.1 Page 6 Rev. 2 0 - | |||
eTEP ACTION / EXPECTED RESPONSE RESPONSE NOT OETAINEO NOTE | |||
: 1. Partial uncovery of SG tubes is acceptable in the following steps. | |||
: 1. Bypass Low Low Tavg interlock at 553*F to maintain steam dump operation. | |||
: 3. Block steamline isolation when P-11 light lit. | |||
10 Depressurize All Intact SGs To 134 psig | |||
: a. Dump steam to the a. Dump steam at maximma condenser at maximum rate to atmosphere rate | |||
: b. Check SG pressures b. IF SG pressure | |||
< 231 psig decreasing, THEN return to Step 8. IF NOT, THEN go to Step 17. OBSERVE NOTE PRIOR TO STEP 17.. | |||
: c. Check RCS hot leg c. IF RCS hot leg temperatures - AT temperatures decreasing, ps LEAST TWO < 375*F THEN return to Step 8. | |||
\ ,) IF NOT, THEN go to Step | |||
: 17. OBSERVE NOTE PRIOR TO STEP 17. | |||
: d. Stop SG depressurization 11 Check If SI Accumulators Should Be Isolated | |||
: a. At least two RCS a. Go to Step 17. OBSERVE hot leg temperatures NOTE PRIOR TO STEP 17. | |||
< 375'F | |||
: b. Restore power to isolation valves (32-2R-R5F, 32-2W-R3J, 3?-2R-F4M, 32-2W-F4M) | |||
: c. CLOSE isolation valves c. Vent any unisolated accumulator | |||
: d. Remove power from isolation valves. | |||
12 STOP All RCPs O | |||
OPS 0641 3-44 | |||
~ | |||
e e e RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Pagn 7 Rev. 2 (m | |||
STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OSTAINED 13 Depressurize All Intact SGs To Atmospheric Pressure | |||
: a. Dump steam to condenser a. Dump steam at maximum at maximum rate rate to atmosphere 14 Verify ECCS Flow | |||
: a. Charging pump SI flow a. Continue efforts to indicator - CHECK establish ECCS flow. | |||
FOR FLOW IF core exit TCs | |||
< 1200*F, THEN OR return to Step 13. IF NOT, THEN go to Step 17. | |||
SI pump flow OBSERVE NOTE PRIOR TO indicators - CHECK STEP 17. | |||
FOR FLOW OR . | |||
RHR pump flow indicators - CHECK FOR FLOW 15 Check Core Cooling | |||
: a. Core exit TCs < 1200*F a. Go to Step 17. OBSERVE NOTE PRIOR TO STEP 17. | |||
: b. At least two RCS hot b. Return to Step 13. | |||
leg temperatures < 350'F | |||
: c. RVLMS plenum level > 19% c. Return to Step 13. | |||
16 Go To EOP 35 E-1, LOSS OF REACTOR OR SECONDARY COOLANT, Step 12 O | |||
CP50641 3-44 | |||
- '~ O o . | |||
RESPONSE TO INADEQUAIE CORE COOLING E0P 35 FR-C.1 Pega 8 Rev. 2 | |||
! ) | |||
STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE Normal conditions are desired but not required for starting the RCPs. | |||
17 Check Core Exit TCs < 1200*F Start RCPs as necessary until core exit TCs < 1200*F IF core exit TCs > 1200*F and all available RCPs running, THEN open all PZR PORVs and block valves. IF-core exit TCs > 1200*F and all PZR PORVs and block valves are open, THEN open all other RCS vent paths to containment. | |||
18 Try To Locally Depressurize , | |||
All Intact SGs to Atmospheric Pressure | |||
: a. Locally open steam a. Use faulted OR ruptured dump valves OR SG. | |||
Atmospheric Dumps OR | |||
~ ~ , Atmospheric Dump | |||
( ') bypass valves. | |||
U 19 Check If SI Accumulators Should Be Isolated | |||
: a. RHR pump flow a. Return to Step 17. | |||
indicators - AT LEAST INTERMITTENT FLOW | |||
: b. Restore power to isolation valves (32-2R-RSF, 22-2W-R3J, 32-2R-F4M, 32-2W-F4M) | |||
: c. CLOSE isolation valves c. Vent any unisolated accumulator | |||
: d. Remove power from isolation valves. | |||
C'T L- J OPN681 3-44 o, | |||
e . | |||
RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Pags 9 Rev. 2 STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OSTAINED 20 Check If RCPs Should Be Stopped . | |||
: a. At least two RCS hot a. Go to Ste; 21. | |||
temperatures < 350*F | |||
: b. STOP all RCPs 21 Verify ECCS Flow | |||
: a. Charging pump SI a. Continue efforts to flow indicator - establish ECCS flow. | |||
CHECK FOR FLOW Return to Step 17. | |||
EE SI pump flow indicators - CHECK , | |||
FOR FLOW . | |||
9E RKR pump flow indicators - CHECK FOR FLOW 22 Check Core Cooling | |||
: a. RVLMS plenum level a. Return to Step 17. | |||
> 19% AND at least two RCS hot leg temperatures | |||
< 350'F 23 Go to E0P 35 E-1, LOSS OF REACTOR OR SECONDARY COOLANT, Step 12 | |||
-FINAL-O OPS 0041 3 44}} |
Latest revision as of 05:27, 30 December 2020
ML20205C442 | |
Person / Time | |
---|---|
Site: | Millstone, Haddam Neck, 05000000 |
Issue date: | 06/15/1988 |
From: | CONNECTICUT YANKEE ATOMIC POWER CO. |
To: | |
Shared Package | |
ML20204H467 | List:
|
References | |
EOP-35-FR-C.1, NUDOCS 8810260497 | |
Download: ML20205C442 (10) | |
Text
.
STAT!6N PROCEDURE COVER SHF' g A. IDENTIFICATION Number; E0P 35 FR-C.1 Rev. 2,
Title:
RESPONSE TO INADEQUATE CORE COOLING 1
Prepared By: J. BUCKINGHAM/H. K. COVIN B. REVIEW I have reviewed the above procedure and have found it to be satisfactory.
TITLE SIGNATURE DATE DEPARTMENT HEAD No (,, fl J- \
C. SPECIFIC UNREVIEWE0 SAFETY QUESTION EVALUATION REQUIRED:
Modifies intent of procedure and changes operation of systems as described in design documents. YES [ ] NO [4 (If yes, perform written USQ determination and Safety ,
Evaluation, and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.)
ENVIRONMENTAL REVIEW REQUIRED (Adverse environmental impact) YES [ ] NO C -7
- 0. SPECIFIC SAFETY FVALUATION REQUIRED Affects response of safety systems, performance of systems which may have been credited in the safety analysis or non-credited systems which may indirectly affect safety system response. YES [ ] NO [-7 (If yes, perform written Safety Evaluation and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.)
E. INTEGRATED SAFETY EVALUATION REQUIRED YES [ ] NO [ T F. PROCEDURE REQUIRE b /SORC REVIEW (In addition to rebiew, item with a YES response must be documented in the 50RC meeting minutes.) YES [ g NO [ ]
- G. 50RC APPROVAL /$0RC Meeting Number 3 -8 7-/hf H. APPROVAL AND IMPLEMENTATION The attached procedure is hereby approved, and effective on the date below:
m, -
$~/S~~ Yb Station / Service / Unit Superintendent Effective Date SF301/9/s/SES/87-12/lofi 8910260497 001007 PDR ADOCK 05000213 P PDR
e e .
E0P 35 FR-C.1 Page 1
. Rev. 2
~
0 RESPONSE TO INADEQUATE C,')RE COOLING Paae No. Eff Jej.,
1-9 2 4
O l
l l
l 9
RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Page 2 L Rev. 2 V
A. PURPOSE This procedure provides actions to restore core cooling.
d B. ENTRY CONDITIONS This procedure was written for Modts 1, 2, and 3. Using this procedure when not in these modes requires a step by step evaluation to determine if the required action is s'ill applicable to current plant conditions.
This procedure is entered from EOP 35 F-0.2, CORE COOLING Critical Safety Function Status Tree, on the RED condition.
t i
f O
I i
i i
O OPM64-2 344 e- --
r RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Page 3 Rev. 2
~
STEP ACTION /EXPECTF0 RESPONSE HESPONSE NOT OSTAINED l CAUTION
- 1. If RWST level decreases to < 520,000 gal, the ECCS systems should be aligned for cold leg recirculation using E0P 35 ES-1.3, TRANSFER TO COLD LEG RECIRCULATION.
- 2. RHR pumps should not be run with RHR Hx inlet temperatures > 195*F without RPCCW to the RHR Hxs. g 1 Verify ECCS Valve Alignment - Manually align valves-PROPER EMERGENCY ALIGNMENT as necessary 2 Verify ECCS Flow In All e Trains
- a. Charging pumps SI a. START pumps and align flow indicator - valves as necessary CHECK FOR FLOW
's b. SI pump flow b. START pumps and align indicators - CEECK valves as necessary FOR FLOW
- c. RER pump flow c. START pumps and align indicators - CHECK valves as necessary FOR FLOW 3 Check RCP Support Conditions
- a. Any 6.9 KV bus - a. Restore power to buses.
ENERGIZED
AVAILABLE
- c. Seal injection to RCPs - c. Establish seal injection.
CHECK FOR FLOW
- d. Seal water return d. Establish seal water from RCPs - CHECK leakoff.
FOR FLOW oPSO441 3-44 l
I _
e .
RESPONSE TO INADEQUATE CORE COOLING EOP 35 FR-C.1 Peg 2 4 Rev. 2 STEP ACTION / EXPECTED RESPONSg RESPONSg NOT 08TAINED 4 Check SI Accumulator Isolation Valve Status
- a. Isolation valves - OPEN a. Open isolation valves as follows
- 2) OPEN isolation valves UNLESS closed after e accumulator discharge
- 3) Remove power from isolation valves.
5 Check Core Exit TCs < 1200*F Go to Step 7.
6 Check Core Exit TCs .
- a. Temperature < 720'F a. IF decreasing THEN return to Step 1. IF NOT, THEN go to Step 7'.
- b. Return to procedure f- g and step in effect '
7 Check Containment Hydrogen Concentration
- a. Determine containment a. Have Chemistry obtain a hyrogen per OP 3313A, hydrogen sample per the NYDROGEN RECOMBINERS, POST ACCIDENT LIQUID HYDROGEN MONITORS AND SAMPLING SYSTEM RECOMBINER BLDO VENTILATION
- b. Hydrogen concentration b. Consult Director of
- < 5.0% Station Emergency l Organization (DSEO) for l tiditional recovery actions. Go to Step 8
< 0.5% recombiner system per OP 3313A, NYDROGEN RECOMBINERS AND RECOMBINER BUILDING VENTILATION O
OPKel t 3 44 l
e e .
RESPONSE TO INADEQUATE CORE C004}NG EOP 35 FR-C.1 Page 5 Rev. 2-(-
d STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OSTAINED CAUTION
- 2. A faulted or ruptured SG should NOT be used in subsequent steps UNLESS no intset SG is available.
8 Check Intact SG Levels
- a. Narrow range level a. Raise total feed flow
> 4% (34% FOR ADVERSE to restore narrow range CONTAINMENT) level > 4% (34% FOR
' ADVERSE CONTAINMENT).
IF total feed flow
< 525 gps, TNEN go to Step 17. OBSERVE NOTE l PRIOR TO STEP 17.
- b. Control feed flow to maintsin narrow range level between 4%
(34% FOR ADVERSE CONTAINMENT) and 50%
9 Check RCS Vent Paths
IF any valve can NE be closed, THEN manually close its block valve.
! b. Block valves - AT b. Open block valve UNLESS LEAST ONE OPEN it was closed to isolate
- an open PZR PORV.
- c. Reactor vessel head vent c. Manually close reactor isolation valves - vessel head vent CLOSED isolation valves.
- d. PZR vapor space d. Manually close PZR vapor sample isolation space sample isolation valves - CLOSED valves.
O CP50ss 1 3-s4
e
, RESPONSE TO INADEQUATE CORE COOLING EOP 35 FR-C.1 Page 6 Rev. 2 0 -
eTEP ACTION / EXPECTED RESPONSE RESPONSE NOT OETAINEO NOTE
- 1. Partial uncovery of SG tubes is acceptable in the following steps.
- 1. Bypass Low Low Tavg interlock at 553*F to maintain steam dump operation.
- 3. Block steamline isolation when P-11 light lit.
10 Depressurize All Intact SGs To 134 psig
- a. Dump steam to the a. Dump steam at maximma condenser at maximum rate to atmosphere rate
< 231 psig decreasing, THEN return to Step 8. IF NOT, THEN go to Step 17. OBSERVE NOTE PRIOR TO STEP 17..
- c. Check RCS hot leg c. IF RCS hot leg temperatures - AT temperatures decreasing, ps LEAST TWO < 375*F THEN return to Step 8.
\ ,) IF NOT, THEN go to Step
- 17. OBSERVE NOTE PRIOR TO STEP 17.
- d. Stop SG depressurization 11 Check If SI Accumulators Should Be Isolated
- a. At least two RCS a. Go to Step 17. OBSERVE hot leg temperatures NOTE PRIOR TO STEP 17.
< 375'F
- c. CLOSE isolation valves c. Vent any unisolated accumulator
- d. Remove power from isolation valves.
12 STOP All RCPs O
OPS 0641 3-44
~
e e e RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Pagn 7 Rev. 2 (m
STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OSTAINED 13 Depressurize All Intact SGs To Atmospheric Pressure
- a. Dump steam to condenser a. Dump steam at maximum at maximum rate rate to atmosphere 14 Verify ECCS Flow
FOR FLOW IF core exit TCs
< 1200*F, THEN OR return to Step 13. IF NOT, THEN go to Step 17.
SI pump flow OBSERVE NOTE PRIOR TO indicators - CHECK STEP 17.
FOR FLOW OR .
RHR pump flow indicators - CHECK FOR FLOW 15 Check Core Cooling
- a. Core exit TCs < 1200*F a. Go to Step 17. OBSERVE NOTE PRIOR TO STEP 17.
- b. At least two RCS hot b. Return to Step 13.
leg temperatures < 350'F
- c. RVLMS plenum level > 19% c. Return to Step 13.
16 Go To EOP 35 E-1, LOSS OF REACTOR OR SECONDARY COOLANT, Step 12 O
CP50641 3-44
- '~ O o .
RESPONSE TO INADEQUAIE CORE COOLING E0P 35 FR-C.1 Pega 8 Rev. 2
! )
STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE Normal conditions are desired but not required for starting the RCPs.
17 Check Core Exit TCs < 1200*F Start RCPs as necessary until core exit TCs < 1200*F IF core exit TCs > 1200*F and all available RCPs running, THEN open all PZR PORVs and block valves. IF-core exit TCs > 1200*F and all PZR PORVs and block valves are open, THEN open all other RCS vent paths to containment.
18 Try To Locally Depressurize ,
All Intact SGs to Atmospheric Pressure
Atmospheric Dumps OR
~ ~ , Atmospheric Dump
( ') bypass valves.
U 19 Check If SI Accumulators Should Be Isolated
- a. RHR pump flow a. Return to Step 17.
indicators - AT LEAST INTERMITTENT FLOW
- c. CLOSE isolation valves c. Vent any unisolated accumulator
- d. Remove power from isolation valves.
C'T L- J OPN681 3-44 o,
e .
RESPONSE TO INADEQUATE CORE COOLING E0P 35 FR-C.1 Pags 9 Rev. 2 STEP ACTION / EXPECTED RESPONSE RESPONSE NOT OSTAINED 20 Check If RCPs Should Be Stopped .
- a. At least two RCS hot a. Go to Ste; 21.
temperatures < 350*F
CHECK FOR FLOW Return to Step 17.
EE SI pump flow indicators - CHECK ,
FOR FLOW .
9E RKR pump flow indicators - CHECK FOR FLOW 22 Check Core Cooling
- a. RVLMS plenum level a. Return to Step 17.
> 19% AND at least two RCS hot leg temperatures
< 350'F 23 Go to E0P 35 E-1, LOSS OF REACTOR OR SECONDARY COOLANT, Step 12
-FINAL-O OPS 0041 3 44