ML17262A354
| ML17262A354 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 12/19/1990 |
| From: | Marlow T ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17262A347 | List: |
| References | |
| ES-.1, ES-0.1, NUDOCS 9102070095 | |
| Download: ML17262A354 (44) | |
Text
TITLE: REV: 7 EOF"'S-0.1 REACTOR TRIP RESPONSE PAGE 1 of 18 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE VEAt w PLANT SUPERINTENDENT E FEC VE DATE CATEGORY 1.0 REVIEWED BY:
9'i0207009'5 9i020i PDR ADQCN, 05000244 P PDR
fr J
EOP: REV: 7 ES-0. 1 REACTOR TRIP RESPONSE PAGE 2 of 18 A. PURPOSE This procedure provides the necessary instructions to stabilize and control the plant following a reactor trip without a safety injection.
B. ENTRY CONDITIONS/SYMPTOMS
- 1. ENTRY CONDITIONS This procedure is entered from:
- a. E-O, .REACTOR TRIP OR SAFETY INJECTION, when SI is neither actuated nor required.
I k
I+4 4k-'j 4i s
EOP;. TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 3 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED
- CA~I(AN o IF SI ACTUATION OCCURS DURING THIS PROCEDURE, E-O, REACTOR TRIP OR SAFETY INJECTION, SHOULD BE PERFORMED.
o IF A MPV PUMP IS LEFT RUNNING ON RECIRC FOR BXTENDED PERIODS OP TIME, OVERHEATING MAY OCCUR.
NOTE: o FOLDOUT page should be open and monitored periodically.
o Critical Safety Function Status Trees should be monitored.
(Refer to Appendix 1 for Red Path Summary.)
1 Check S/G Feed Flow Status:
- a. Check RCS Tavg - LESS THAN 554'F a. Continue with Step 2. WHEN temperature less than 534 P, THEN do Steps 1b, c, d and e.
- b. Verify MPW flow control valves b. Place A and B MFV regulating
- CLOSED valve and bypass valve controllers in MANUAL at OX
~ MPV regulating valves demand.
~ MFV bypass valves
THAN 200 GPM IF total AFW flow greater than KO gpm can NOT be established, THBN performttIe following:
o Manually start TDAFV pump.
-OR-o Perform the following:
- 1) Bstablish MFW on bypass.
- 2) Go to step 2.
- d. Close MFW pump discharge valves d. Manually stop MFV pumps.
~ MOV-3977, A MFW pump
~ MOV-3976, B MFW pump
- e. Stop MFV pumps
I
$ c' 4
a f
V i$
4
EN". TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 4 of 18 STEP ACTION/BZPECTED RBSPONSE RESPONSE NOT OBTAINED 2 Check RCS Tavg STABLE'T IR temperature less than 547'R and OR TRENDING TO 547'F decreasing, THEN perform the folloving:
- a. Stop dumping steam.
- b. IR MDARV pumps supplying greater than 200 gpm, THEN ensure TDARV pump steam supply valves in PULL STOP.
- c. IR cooldovn continues, THEN control total feed flov greater than 200 gpm until narrov range level greater than 5% in at least one S/G. WHEN S/G level greater than 5% in one S/G, THEN limit feed flow to that required to maintain S/G level.
- d. IR cooldown continues, THEN close both MSIVs.
IF temperature greater than 547'R and increasing, THEN perform the folloving:
o Place condenser steam dump mode control to MANUAL
-OR-o Manually dump steam using S/G ARVs.
3 Verify MRPI Indicates ALL IF one or more control rods NOT CONTROL AND SHUTDOWN RODS ON fully inserted, THEN borate BOTTOM 175 gallons for each control rod not fully inserted (Refer to AP-CVCS.2, IMMBDIATB BORATION).
P I
.f'c V$
k k'
EOP: TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 5 of 18 STBP ACTION/BXPECTBD RESPONSB RESPONSE NOT OBTAINBD 4 Verify All AC Busses Perform the following:
ENERGIZED BY OFFSITE POWER
- a. IF any AC emergency bus normal o Normal feed breakers to all 480 feed breaker open, THEN ensure volt busses - CLOSED associated D/G breaker closed.
o 480 volt bus voltage - GREATER b. Perform the following as THAN 420 VOLTS necessary:
o Emergency D/G output breakers- 1) Ensure one CCV pump running.
OPEN
- 2) Close non-safeguards bus tie breakers:
~ Bus 13 to Bus 14 tie
~ Bus 15 to Bus 16 tie
- 3) Reset Bus 13 and Bus 15 lighting breakers.
- 5) Place the following pumps in PULL STOP:
~ EH pumps
~ Turning gear oil pump
~ HP seal oil backup pump
- 6) Restore power to MCCs.
~ A from Bus 13
~ B from Bus 15
~ B from Bus 15
~ F from Bus 15
- 7) Start CNMT RECIRC fans as necessary.
- c. Try to restore offsite power to all AC busses (Refer to ER-ELEC.1, RESTORATION OF OFFSITE POVER).
C 4't f
&I 1
'V
EOP: TITLE: REV: 7 ES-0. 1 REACTOR TRIP RESPONSE PAGE 6 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 5 Verify At Least Two SW Pumps Manually start SW pumps as RUNNING necessary.
6 Verify IA Available: Dispatch AO to locally reset and start air compressors as necessary.
o At least 2 air compressors-RUNNING IF IA pressure can NOT be maintained, THEN perform the o IA pressure - GREATER THAN following:
60 PSIG 7
- a. Refer to AP-IA.1, LOSS OF INSTRUMENT AIR.
- b. Verify charging pump A NOT running and place in PULL STOP.
- c. Dispatch AO to locally open manual charging pump suction from RWST '(V-358 in charging pump room).
- d. WHEN V-358 open, THEN direct AO to close V-268 to isolate charging pumps B and C from VCT (V-268 located in charging pump room).
E it 8
't
.\
4 4
P EOPs REV: 7 ES-0. 1 REACTOR TRIP RESPONSE PAGE 7 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 7 Check PRZR Level Control:
- a. Verify charging pumps - ANY a. Manually start charging pumps RUNNING as necessary.
- b. PRZR level - GREATER THAN 13X b. Perform the following:
- 1) Place loop B cold leg isolation valve to REGEN Hx (AOV-427) switch to close.
- 2) Verify excess letdown isolation valve (AOV-310) closed.
- 3) Ensure PRZR heaters off.
- 4) Control charging to restore PRZR level greater than 13X.
- 5) Continue with, Step 8. @HEN PRZR level greater than 13X, THEN do Steps 7c through e.
- c. Verify letdown - IN SERVICE c. Verify excess letdown in service. IP NOT, THEN manually place letdown in service (Refer to Attachment LETDOWN).
- d. PRZR level - TRENDING TO 20X d. Control charging and letdown to maintain PRZR level at 20X.
- e. Check PRZR heaters - ENERGIZED e. Reset PRZR heaters and energize AS NECESSARY as necessary to restore PRZR pressure.
o PRZR heater control group o PRZR heater backup group
'7 Tg tg
EOP,: TITLE: REV 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 8 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 8 Check PRZR Pressure Control:
- a. PRZR pressure - GREATER THAN a. Perform the folloving:
1750 PSIG
- 2) Go to E-O, REACTOR TRIP OR SAFETY INJECTION, Step 5.
- b. PRZR pressure - GREATER THAN b. IF pressure less than 2210 PSIG 2210 PSIG and decreasing, THEN perform the folloving:
- 1) Ensure PRZR PORVs closed.
IF any valve can NOT be closed, THEN manually close its block valve.
~ PCV-430, MOV-516
~ PCV-431C, MOV-515
- 2) Ensure normal PRZR spray valve controller, demand at OX.
- 3) IF PRZR pressure decreasing AND PRZR level increasing, THEN stop RCPs one at a time until PRZR pressure stabilizes;
- 4) Ensure PRZR heaters energized.
This Step continued on the next page.
+i I
P
~ Wt Cl
EOP: TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 9 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED (Step 8 continued from previous page)
- c. PRZR pressure - LESS THAN c. IP pressure greater than 2260 PSIG 2260 psig and increasing, THEN perform the following:
- 1) Verify demand on PRZR pressure controller PCV-431 greater than 50X. IR NOT, THEN place controller in MANUAL and increase as necessary.
- 2) Ensure PRZR heaters off.
- 3) Control pressure using normal PRZR spray.
IP normal PRZR spray NOT available and letdown is in service, THEN perform the, following:
a) Use auxiliary spray.
b) Verify spray line fluid to PRZR hT less than 320'R. IR NOT, THEN stop auxiliary spray.
IP PRZR spray NOT available, THEN use one PRZR PORV.
9 Check S/G Levels:
- a. Narrow range level - GREATER a. Maintain total feed flow THAN 5X greater than 200 gpm until narrow range level greater than 5X in at least one S/G.
- b. Control feed flow to maintain b. IP narrow range level in any narrow range level between 17X S/G continues to increase, THEN and 39X. stop feed to that S/G.
.e f
X )'
+! %f
, lp
EOP: TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 10 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 10 Check Stopped:
If TDAFW Pump Can Be
- a. Both MDAFV pumps - RUNNING a. Go to Step 11.
- b. PULL STOP TDAFV pump steam supply valves
~ MOV-3504A
~ MOV-3505A ll Establish Condenser Steam Dump Pressure Control:
- a. Verify condenser available: a. Perform the following:
o Any MSIV - OPEN 1) Place S/G ARV controller in AUTO at 1005 psig and verify o Annunciator G-15, STEAM DUMP proper operation. IF S/G
- LIT ARV NOT controlling in AUTO, THEN control S/G ARV manually.
- 2) Go to Step lid.
- b. Ad]ust condenser steam dump controller HC-484 to 1005 psig in AUTO
- c. Place steam dump mode selector switch to MANUAL
- d. Verify~RCS Tavg - STABLE AT OR d. Return to Step 2.
TRENDING TO 547'F
3 609: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE ll of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 12 Check RCP Status AT LEAST Perform the folloving:
ONE RUNNING
- a. Establish conditions for starting an RCP:
o Verify bus 11A or llB energized.
o Refer to Attachment RCP START.
- b. Start one RCP.
IP an RCP can NOT be started, THEN verify natural circulation (Refer to Attachment NC).
IP natural circulation NOT verified; THEN increase dumping steam.
h
'l!
4 4' jN lh 4>i
T!TLE: REV 7 ES-0 1~ REACTOR TRIP RESPONSE PAGE 12 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE: Loss of forced air cooling may result in failure of NIS detectors.
13 Check If Source Detectors Should Range Be Energized:
- a. Source range channels- a. Go to Step 13e.
DEENERGIZED
- b. Check intermediate range flux- b. Perform the following:
EITHER CHANNEL LESS THAN 10-~~ AMPS 1) IF neither intermediate range channel is decreasing THEN initiate boration.
- 2) Continue with Step 14. WHEN is less than 10-'mps 'lux on any operable channel, THEN do Steps 13c, d and e.
- c. Check the following: c. Continue with Step 14. Vhen either condition met, THEN do o Both intermediate range Steps 13d and e.
channels - LESS THAN 10-xo AMPS
-OR-o Greater than 20 minutes since reactor trip
- d. Verify. source range detectors- d. Manually energize source range ENERGIZED detectors by depressing P-6 permissive defeat pushbuttons (2 of 2).
IF source ranges can NOT be restored, THEN refer to ER-NIS.1, SR MALFUNCTION, and go to Step 14.
- e. Transfer Rk-45 recorder to one source range and one intermediate range channel
C r
~ k%
P
I
'gi tc i 4j
EOP: TITLE: REV 7 ES-0. 1 REACTOR TRIP RESPONSE PAGE 13 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 14 Establish Normal Shutdown Alignment:
- a. Check condenser - AVAILABLE a. Dispatch AO to perform Attachment SD-2.
- b. Perform the folloving:
o Open generator disconnects
~ 1G13A71
~ 9X13A73 o Place voltage regulator to OPP o Open turbine drain valves o Rotate reheater steam supply controller cam to close valves o Place reheater dump valve svitches to HAND o Stop all but one condensate pump
- c. Verify adequate Rx head cooling:
- 2) Verify at least one control 2) Manually start one fan as rod='shroud fan - RUNNING pover supply permits (45 kw).
- 3) Verify one Rx compartment 3) Manually start one fan as cooling fan - RUNNING pover supply permits (23 kv).
- d. Dispatch AO to perform Attachment SD-1
I'a 1.
TVp lp 4
,l4 gr
EOP s TITLE: REV: 7, ES-0. 1 REACTOR TRIP RESPONSE PAGE 14 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 15 Maintain Stable Plant Conditions:
- b. PRZR level - BETWEEN 20X AND 30X b. Control charging as necessary.
- c. S/G narrow range levels- c. Control S/G feed flow as BETWEEN 17X AND 39X necessary.
- d. RCS Tavg - GREATER THAN 540'P d. Control dumping steam as necessary; IP cooldown continues, THEN close both MSIVs.
16 Check VCT Makeup System:
- a. Verify the following:
- 1) Ad)ust boric acid flow control valve to 4.5 gpm
- 2) RMV mode selector switch in AUTO
- 3) RMV control armed - RED LIGHT LIT
o Level - GREATER THAN 20X
- 1) Ensure BA transfer pumps and
-OR- RMV pumps running.
o Level - STABLE OR INCREASING 2) Place RMV flow control valve HCV-ill in MANUAL and increase RMV flowt
- 3) Increase boric acid flow as necessary.
~a Pp.l rg ki st'
EOP: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 15 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 17 Check Charging Pump Suction Aligned To VCT:
- a. VCT level - GREATER THAN 20X a. IP VCT level can NOT be maintained greater than 5X, THEN perform the following:
- 1) Ensure charging pump suction aligned to RWST o LCV-112B open o LCV-112C closed
- 2) Continue with Step 18. WHEN VCT level greater than 40X, THEN do Step 17b.
- b. Verify charging pumps aligned b. Manually align valves as to VCT necessary.
o LCV-112C - OPEN o LCV-112B - CLOSED
~$
'y I
t 0 jan<
'M
EON TITLE REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 16 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 18 Verify TDAFW Pump Aligned For AUTO Start:
light - EXTINGUISHED
- c. Verify both S/G levels- c. Continue with Step 20 WHEN S/G GREATER THAN 17X level greater than 17X, THEN do Steps 18d and 19.
- d. Verify the following:
- 2) TDAFW pump steam supply 2) Place TDAFW pump steam valve switches in AUTO supply valve switches in AUTO.
I
'N rr
'b
E,IP: TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 17 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 19 Establish Normal AFW Pump Shutdown Alignment:
- a. Verify AFW bypass valves- a. Go to Step 20.
~ AOV-4480
~ AOV-4481
- b. Verify the following: b. Continue with Step 20 WHEN conditions met, THEN do Steps o Both S/G levels - STABLE OR 19c through g.
INCREASING o Total AFW flow - LESS THAN 200 GPM
- c. Close MDAFW pump discharge valves
~ MOV-4007
~ MOV-4008
- f. Open AFW discharge crossover valves
~ MOV-4000A
~ MOV-4000B
- g. Open AFW bypass valves as necessary to control S/G levels
~ AOV-4480
~ AOV-4481
- l + ~
~
II
\l g
~1
REV 7 EG'S-0. TRIP RESPONSE 1 REACTOR PAGE 18 of 18 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED 20 Determine Required:
If Cooldown Is
- a. Consult Plant staff to a. IP cooldovn NOT required, THEN dete'rmine if RCS cooldovn is go to 0-3, HOT SHUTDOWN WITH XENON PRESENT.
necessary
- b. At least one RCP - RUNNING b. Perform the folloving:
- 1) Ensure 2 control rod shroud fans running.
- 2) Go to ES-0.2, NATURAL CIRCULATION COOLDOWN, Step l.
- c. Go to 0-2.2, PLANT SHUTDOWN PROM HOT SHUTDOWN TO COLD SHUTDOWN
-END-
Pt
. 4bljl
EOP;. REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 1 of 1 ES-O. 1 APPENDIX LIST TITLE PAGES
- 1) RED PATH
SUMMARY
- 2) FIGURE MIN SUBCOOLING
- 3) ATTACHMENT LETDOWN
- 4) ATTACHMENT RCP START
- 5) ATTACHMENT NC
- 6) ATTACHMENT SD-1
- 7) ATTACHMENT SD-2
- 8) FOLDOUT
ic r,
REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 1 of 1 RED PATH
SUMMARY
- a. SUBCRITICALITY Nuclear power greater than 54
- b. CORE COOLING Core exit T/Cs greater than 1200'F
-OR-Core exit T/Cs greater than 700'F AND RVLIS level (no RCPs) less than 434 [464 adverse CNMT]
- c. HEAT SINK Narrow range level in all S/Gs less than 54
[254 adverse CNMT] AND total feedwater flow less than 200 gpm
- d. INTEGRITY Cold leg temperatures decrease greater than 100'F in last 60 minutes AND RCS cold leg temperature less than 285'F
- e. CONTAINMENT CNMT pressure greater than 60 psig
1 f
>l 9'
j*
h f
h Py
TITLE: REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 1 of 1 FIGURE MIN SUBCOOLING NOTE: Subcooling Margin = Saturation Temperature From Figure Below [-] Core Exit T/C Indication RC S PRESSURE (PSIG) 2500 2400 RCS PRESSURE 2300 INCREMENTS 20 PSIG 2200 2100 2000 1900 1800 1700 1600 1400 SUB COOLED 1300 REGION 1200 1100 1000 900 800 INADEQUATE 700 SUBCOOLING 600 REGION 500 400 300 200 NORMAL CNMT TEMPERATURE INCREMENTS 10'F 100 0
20 0 '50 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEMPERATURE ('F)
, /I REV: 7 ES-0.1 REACTOR TRIP RESPONSE PAGE 1 of 1 FOLDOUT PAGE NOTE The Critical Safety Function Red Path Summary is available in APPENDIX 1.
SI ACTUATION CRITERIA IF ANY condition listed below occurs, THEN actuate SI and go to E-O, REACTOR TRIP OR SAFETY INJECTION, Step 1:
o RCS subcooling based on core exit T/Cs LESS THAN O' "USING FIGURE MIN SUBCOOLING OR o PRZR level LESS THAN 54 [304 adverse CNMT]
AND RCS subcooling based on core exit T/Cs LESS THAN 20'F USING FIGURE MIN SUBCOOLING OR o Any automatic SI setpoint is reached 2 ~ AFW SUPPLY SWITCHOVER CRITERION IF CST level decreases to less than 5 feet, THEN switch to alternate AFW water. supply (Refer to ER-AFW.l, ALTERNATE WATER SUPPLY TO AFW PUMPS) ~
II
'ill
'll F
F h