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
EOF"'S-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 1 of 18 ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER TECHNICAL REVIEW PORC REVIEW DATE VEAtw PLANT SUPERINTENDENT E FEC VE DATE CATEGORY 1.0 REVIEWED BY:
9'i0207009'5 9i020i PDR ADQCN, 05000244 P
fr J
EOP:
ES-0. 1 REACTOR TRIP RESPONSE REV:
7 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;.
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 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
- b. Verify MPW flow control valves
- CLOSED
~ MPV regulating valves
~ MFV bypass valves
- c. Verify total AFW flow - GREATER THAN 200 GPM
- d. Close MFW pump discharge valves
~ MOV-3977, A MFW pump
~ MOV-3976, B MFW pump e.
Stop MFV pumps
- a. Continue with Step 2.
WHEN temperature less than 534 P, THEN do Steps 1b, c, d and e.
- b. Place A and B MFV regulating valve and bypass valve controllers in MANUAL at OX demand.
- c. Manually start both MDAFW pumps.
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. Manually stop MFV pumps.
I
$c' 4
a f
V i$
4
EN".
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 4 of 18 STEP ACTION/BZPECTED RBSPONSE
RESPONSE
NOT OBTAINED 2
Check RCS Tavg STABLE'T OR TRENDING TO 547'F IR temperature less than 547'R and 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 CONTROL AND SHUTDOWN RODS ON BOTTOM IF one or more control rods NOT fully inserted, THEN borate 175 gallons for each control rod not fully inserted (Refer to AP-CVCS.2, IMMBDIATBBORATION).
P I
.f'c V$
k k'
EOP:
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 5 of 18 STBP ACTION/BXPECTBD RESPONSB
RESPONSE
NOT OBTAINBD 4 Verify All AC Busses ENERGIZED BY OFFSITE POWER o
Normal feed breakers to all 480 volt busses
- CLOSED o
480 volt bus voltage - GREATER THAN 420 VOLTS o
Emergency D/G output breakers-OPEN Perform the following:
- a. IF any AC emergency bus normal feed breaker
- open, THEN ensure associated D/G breaker closed.
- b. Perform the following as necessary:
- 1) Ensure one CCV pump running.
- 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:
ES-0. 1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 6 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 5 Verify At Least Two SW Pumps RUNNING Manually start SW pumps as necessary.
6 Verify IA Available:
o At least 2 air compressors-RUNNING o
IA pressure
- GREATER THAN 60 PSIG Dispatch AO to locally reset and start air compressors as necessary.
IF IA pressure can NOT be maintained, THEN perform the following:
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 ES-0. 1 REACTOR TRIP RESPONSE REV:
7 PAGE 7 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 7
Check PRZR Level Control:
- a. Verify charging pumps - ANY RUNNING b.
PRZR level - GREATER THAN 13X
- a. Manually start charging pumps as necessary.
- 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.
- c. Verify letdown - IN SERVICE d.
PRZR level - TRENDING TO 20X e.
Check PRZR heaters
- ENERGIZED AS NECESSARY o
PRZR heater control group o
PRZR heater backup group
- 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 excess letdown in service.
IP NOT, THEN manually place letdown in service (Refer to Attachment LETDOWN).
- d. Control charging and letdown to maintain PRZR level at 20X.
- e. Reset PRZR heaters and energize as necessary to restore PRZR pressure.
'7 Tg tg
EOP,:
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV 7
PAGE 8 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 8
Check PRZR Pressure Control:
a.
PRZR pressure
- GREATER THAN 1750 PSIG b.
PRZR pressure
- GREATER THAN 2210 PSIG
- a. Perform the folloving:
- 1) Verify SI actuation.
IF NOT, THEN manually actuate SI.
2)
Go to E-O, REACTOR TRIP OR SAFETY INJECTION, Step 5.
- b. IF pressure less than 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:
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 9 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED (Step 8 continued from previous page) c.
PRZR pressure
- LESS THAN 2260 PSIG
- c. IP pressure greater than 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 THAN 5X
- b. Control feed flow to maintain narrow range level between 17X and 39X.
- a. Maintain total feed flow greater than 200 gpm until narrow range level greater than 5X in at least one S/G.
- b. IP narrow range level in any S/G continues to increase, THEN stop feed to that S/G.
.e f
X
)'
+! %f
, lp
EOP:
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 10 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 10 Check If TDAFW Pump Can Be Stopped:
- a. Both MDAFV pumps - RUNNING b.
PULL STOP TDAFV pump steam supply valves
~ MOV-3504A
~ MOV-3505A a.
Go to Step 11.
ll Establish Condenser Steam Dump Pressure Control:
- a. Verify condenser available:
o Any MSIV -
OPEN o
Annunciator G-15, STEAM DUMP
- LIT
- b. Ad]ust condenser steam dump controller HC-484 to 1005 psig in AUTO
- a. Perform the following:
- 1) Place S/G ARV controller in AUTO at 1005 psig and verify proper operation.
IF S/G ARV NOT controlling in AUTO, THEN control S/G ARV manually.
2)
Go to Step lid.
- c. Place steam dump mode selector switch to MANUAL
- d. Verify~RCS Tavg - STABLE AT OR TRENDING TO 547'F
- d. Return to Step 2.
3
609:
ES-0.1 REACTOR TRIP RESPONSE REV:
7 PAGE ll of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 12 Check RCP Status AT LEAST ONE RUNNING Perform the folloving:
- 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
~ 1 T!TLE:
REACTOR TRIP RESPONSE REV 7
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 Range Detectors Should Be Energized:
a.
Source range channels-DEENERGIZED a.
Go to Step 13e.
- b. Check intermediate range flux-EITHER CHANNEL LESS THAN 10-~~
AMPS
- b. Perform the following:
- 1) IF neither intermediate range channel is decreasing THEN initiate boration.
c.
Check the following:
o Both intermediate range channels
- LESS THAN 10-xo AMPS
- 2) Continue with Step 14.
WHEN
'lux is less than 10-'mps on any operable
- channel, THEN do Steps
- 13c, d and e.
- c. Continue with Step 14.
Vhen either condition met, THEN do Steps 13d and e.
-OR-o Greater than 20 minutes since reactor trip
- d. Verify. source range detectors-ENERGIZED
- d. Manually energize source range detectors by depressing P-6 permissive defeat pushbuttons (2
of 2).
- e. Transfer Rk-45 recorder to one source range and one intermediate range channel IF source ranges can NOT be
- restored, THEN refer to ER-NIS.1, SR MALFUNCTION, and go to Step 14.
C r
~ k%
P
I
'gi tc i 4j
EOP:
ES-0. 1 TITLE:
REACTOR TRIP RESPONSE REV 7
PAGE 13 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 14 Establish Normal Shutdown Alignment:
a.
Check condenser
- AVAILABLE
- b. Perform the folloving:
o Open generator disconnects
~ 1G13A71
~ 9X13A73
- a. Dispatch AO to perform Attachment SD-2.
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 rod='shroud fan - RUNNING
- 3) Verify one Rx compartment cooling fan - RUNNING
- d. Dispatch AO to perform Attachment SD-1 1)
Go to Step 15.
- 2) Manually start one fan as pover supply permits (45 kw).
- 3) Manually start one fan as pover supply permits (23 kv).
I'a 1.
TVp lp 4
,l4 gr
REACTOR TRIP RESPONSE REV: 7, PAGE 14 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 15 Maintain Stable Plant Conditions:
a.
PRZR pressure
- BETVEEN 1800 PSIG AND 2260 PSIG b.
PRZR level - BETWEEN 20X AND 30X c.
S/G narrow range levels-BETWEEN 17X AND 39X d.
RCS Tavg - GREATER THAN 540'P
- a. Control PRZR heaters and spray as necessary.
- b. Control charging as necessary.
- c. Control S/G feed flow as necessary.
- 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
- b. Check VCT level o
Level - GREATER THAN 20X
-OR-o Level - STABLE OR INCREASING
- b. Manually increase VCT makeup flow as follows:
- 1) Ensure BA transfer pumps and RMV pumps running.
- 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:
ES-0.1 REACTOR TRIP RESPONSE REV:
7 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
- b. Verify charging pumps aligned to VCT o
LCV-112C -
OPEN o
LCV-112B - CLOSED
- 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. Manually align valves as necessary.
~ $
'y I
t 0
jan<
'M
EON ES-0.1 TITLE REACTOR TRIP RESPONSE REV:
7 PAGE 16 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 18 Verify TDAFW Pump Aligned For AUTO Start:
a.
Any MDAFW pump - AVAILABLE
- b. Verify AMSAC TRIPPED status light - EXTINGUISHED
- c. Verify both S/G levels-GREATER THAN 17X
- d. Verify the following:
1)
TDAFW pump - OFF 2)
TDAFW pump steam supply valve switches in AUTO
- a. Verify TDAFW pump operating if necessary and go to Step 20.
- b. Reset AMSAC.
- c. Continue with Step 20 WHEN S/G level greater than
- 17X, THEN do Steps 18d and 19.
- 1) IF TDAFW pump NOT required to maintain S/G level, THEN stop pump if desired.
- 2) Place TDAFW pump steam supply valve switches in AUTO.
I
'Nrr
'b
E,IP:
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 17 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 19 Establish Normal AFW Pump Shutdown Alignment:
- a. Verify AFW bypass valves-OPERABLE a.
Go to Step 20.
~ AOV-4480
~ AOV-4481
- b. Verify the following:
o Both S/G levels - STABLE OR INCREASING o
Total AFW flow - LESS THAN 200 GPM
- b. Continue with Step 20 WHEN conditions met, THEN do Steps 19c through g.
- 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
EG'S-0. 1 REACTOR TRIP RESPONSE REV 7
PAGE 18 of 18 STEP ACTION/EXPECTED RESPONSE
RESPONSE
NOT OBTAINED 20 Determine If Cooldown Is Required:
- a. Consult Plant staff to dete'rmine if RCS cooldovn is necessary
- b. At least one RCP - RUNNING c.
Go to 0-2.2, PLANT SHUTDOWN PROM HOT SHUTDOWN TO COLD SHUTDOWN
- a. IP cooldovn NOT required, THEN go to 0-3, HOT SHUTDOWN WITH XENON PRESENT.
- b. Perform the folloving:
- 1) Ensure 2 control rod shroud fans running.
2)
Go to ES-0.2, NATURAL CIRCULATION COOLDOWN, Step l.
-END-
Pt
. 4bljl
EOP;.
ES-0.1 REACTOR TRIP RESPONSE REV:
7 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,
ES-0.1 REACTOR TRIP RESPONSE REV:
7 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 Py h
ES-0.1 TITLE:
REACTOR TRIP RESPONSE REV:
7 PAGE 1 of 1 FIGURE MIN SUBCOOLING NOTE:
Subcooling Margin = Saturation Temperature From Figure Below [-] Core Exit T/C Indication S
PRESSURE (PSIG)
RC 2500 2400 2300 2200 2100 2000 1900 1800 1700 1600 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0
20 RCS PRESSURE INCREMENTS 20 PSIG SUBCOOLED REGION INADEQUATE SUBCOOLING REGION TEMPERATURE INCREMENTS 10'F NORMAL CNMT 0 '50 300 350 400 450 500 550 600 650 700 CORE EXIT SATURATION TEMPERATURE ('F)
, /I
ES-0.1 REACTOR TRIP RESPONSE REV:
7 PAGE 1 of 1 NOTE FOLDOUT PAGE 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
Fh