ML20113G372
| ML20113G372 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 07/26/1989 |
| From: | Bochhold J GEORGIA POWER CO. |
| To: | |
| Shared Package | |
| ML20092F288 | List:
|
| References | |
| CON-IIT05-138-90, CON-IIT5-138-90, RTR-NUREG-1410 VEGP-19101-C, NUDOCS 9202200454 | |
| Download: ML20113G372 (20) | |
Text
-
^# * *'
Vogtle Electric Generating Plant
- N)1-C 9
NUCLEAR OPERATIONS p,,,,n g,,
T).i, e
8 COMMON Georgia Power
- e. yup 3
,g Unit EMERGENCY OPERATING PROCEDURE ECA-0.1 LOSS OF ALL AC POWER RECOVERY WITHOUT SI REQUIRED PURPOSE
- i'OR INFORM /! TION ONIY This procedure provides actions to use nortnal operational systems to stabilize plant conditions following restoration of-AC emergency power.
licitu m a<*
,,n.,
ENTRY CONDITIONS 19100-C, ECA-0,0 LOSS OF ALL AC POWER, Step 27.
e
's O
1 t
i I
}
i 9202200454 920116 PDR ADOCK 05000424 S
PDR Tu3101A As21E m.
)
4
~
PRoCEDUKE No REvtsloN PAGE No VEGP 19101-C 8
2 of 20
()
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE CSFSTs should be monitored for information only.
FRPs should not be implemented prior to completion of Step 9.
1.
Check RCP Seal Isolation Status:
- a. RCP seal injection
- a. IF valves open, isolation valves UR position NOT known, outside containment -
THEN check CUP ~ status:
SHUT:
- 1) IP aump running, e
HV-8103A THE9 go to Step 2.
e HV-8103B e
HV-8103C
- 2) IF pump NOT running, o
HV-8103D THEN manually shut valves before starting CCP.
k-IF valves can NOT be Eanually shut,'--
THEN locally shut l
- valves,
- b. oACCW return isolation
- b. IF valve open, valve outside DR aosition NOT known, containment - SHUT:
THEN check ACCW pump status:
e HV-1975
- 1) IF pump running, THEN go to Step 2.
- 2) IF aump NOT running, THEN manUaT1y shut valve.
IF valve can NOT be Einually shut, THEN manually shut ACCW return isolation valve inside containment a
HV-1974 OV
..r
i J
\\
Pr;oC E DUT.E No.
REYiutoN PAGE No-VEGP 19101-C 8
3 of 20 O
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED 2.
Check containment Phase A -
2 Perform the following NOT ACTUATED'.
- a. Reset containment isolation Phase A.
- b. Establish instrument air
.to containment:
IF instrument air pressure
- normal, THEN open containment isolation valve llV-9378 and go to Step 3.
IF instrument air pressurn NDT normal.
THEN perform the T6TIowing:
- 1) Start one air compressor by O
initiating 13710, SERVICE AIR SYSTEM.
- 2) WHEN instrument air pressure is normal.
THEN open containment Ti3Iation valve LIV-9378 and go to Step 3.
O
l l
enoctount No HEVISloN PAGE NO VEGP 19101-C 8
4 of 20 O
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED CAUTION The loads placed on the energized AC emergency bus should not exceed the capacity of the power source.
NOTE ACCW Return Isolation Valve HV-1975 or HV-1974 should retain shut until RCP seal temperature is less than 27.0'F.
3.
Verify Valve Alignment and Manually Load The Following Equipment On The Energized O
AC Emergency Bus:
- a. Check NSCW System
initiating 13150, NUCLEAR SERVICE COOLING WATER SYSTEM.
- b. Check ACCW System
initiating 13716, AUXILIARY COMPONENT COOLING WATER SYSTEM.
O
w e
PuoCEDURE No.
REVESloN PAGE No.
VEGP 19101-C 8
5 of 20 h
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED CAUTION Without instrument air available CCP suction shculd remain aligned to RWST.
- c. Check CVCS valve alignment and start one CCP:
- 1) Check valve alignment:
- 1) Manually align valves as necessary, e
CCP suction valves from VCT - OPEN:
IF VCT NOT available, THEN establish suction e
LV-0112B from RWST:
()
e LV-0112C e
Open CCP suction e
VCT makeup control valves from RWST:
system - SET FOR GREATER THAN RCS e
LV-0112D BORON e
LV-Oll2E CONCENTRATION AND AUTOMATIC CONTROL.
e Shut CCP suction valves from VCT:
Charging line o
isolation valves e
LV-Oll2B SHUT:
e LV.0112C e
HV-8105 o
HV-8106 l
l e
CCP normal l
miniflow isolation valves - OP2N.
- 2) Start one CCP.
- d. Start containment fan coolers as necessary.
l
P.;oCEDURS No HEVIGloN PAOL No.
VEGP 19101-C 8
6 of 20
(~h
~
]
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED NOTE Without instrument air available charging should be established using Attachment A.
4.
Establish Charging Flows
- a. Set HC-0182 to maximum seal flow (HV-0182 - SHUT).
- b. Open charging line isolation valves:
P e
HV-8105 e
HV-8106
- c. Establish charging flow using control valves FV-0121 and HV-0182.
()
5.
Check ECCS Flow Not Required:
- a. RCS subcooling monitor -
- a. Go to 19102-C, ECA-0.2 GREATER THAN 24'F LOSS OF ALL AC POWER
[38'F FOR ADVERSE CNMT).
RECOVERY WITH SI REQUIRED.
- b. PRZR level - GREATER
- b. Control charging flow to THAN 9% [36% FOR maintain PRZR level.
ADVERSE CNMT).
IF PRZR level can NOT be maintained, THEN go to.19102-C, N O.2 LOSS OF ALL AC POWER RECOVERY WITH S1 REQUIRED.
6.
Check PRZR level - GREATER 6.
Control charging flow as THAN 191 [50% FOR ADVERSE necessary.
CNMT).
GC/
=-
Moltovat No.
nev'i5 ion PAGE No VEGP 19101-C 8
7 of 20 ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED k
CAUTION a Alternate water sources for AFW pumps will be recessary if CST level lowers to less than 15%.
e If SG narrow range level lovers to LESS THAN SI 1271 FOR ADVERSE CNMT) and AFW flow is less than 570 gpm, the MDAFV pumps should be manually loaded on the AC Emergency Bus to supply water to the SGs.
NOTE If MDAFW pump operation is not required, pump switches should be maintained in PULL-TO-LOCK to prevent automatic start.
7.
Check Intact SG Levels:
- a. Narrow range level -
- a. Maintain AFW flow greater GREATER THAN 5%
than 570 gpm until narrow
[27% FOR ADVERSE rang (e level GREATER THAN CNMT).
5%
27% FOR ADVERSE CNMT) in at least one SG.
IF AFW flow NOT greater tHan 570 gpm, THEN establish AFW flow from the MDAFW pumps by initiating 13610, AUXILIARY FEEDWATER SYSTEM.
- b. Control AFW flow to maintain narrow range level between-5%
[27; FOR ADVERSE CNMT) and 50%.
O
.m._
PFloCEDUT,E No f.EVI5 ion PAGE No VEGP 19101-C 8
8 of 20 (T
~
(_,/
_A_CTIONS/ EXPECTED RESPONSE RESPONSE NOT OBTAINED 8.
Establish SG Pressure Controls
?, cot,
9.
Place Following Pump Switches In AUTO:
SI pumps.
e e
RHR pumps.
e CS pumps.
73U rb,
4 PAoCEoVXENo-AEVISION PAGE No.
VEGP 19101-C 8
9 of 20 m
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED CAUTION
. RCP thermal barrier ecoling should be established slowly to minimize potential steam flashing of the ACCW System, e RCP seal injection should be established slowly to minimize RCP thermal stresses and potential seal failures.
e As a part of subsequent recovery actions, RCPs should not be started prior to a status evaluation.
i NOTE I( )
FRPs may now be implemented as necessary.
10.
Establish RCP Seal Cooling:
- a. Check RCP ceal No. 1
- a. Restore seal injection temperature - LESS flow using Attachment B.
TRAN 220*F.
i
- b. Open seal injection i
supply valves on affected RCP.
- c. Control seal injection
- c. IF charging was flow using FV-0121 and established using HV-0182.
Attachment A, THEN maintain 8 to 13 gpm seal injection flow by using appropriate section of Attachment A.
- d. Open ACCW Return Isolation Valve (s):
a HV-1975 rT e
HV-1974 U
=
P.;OCEDUKE No.
Revision PAGE NO VEGP 19101-C 8
10 of 20
(~
b ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED 11.
Check If RCP Seal Return Flow Should Be Established:
- a. RCS pressure - GREATER
- a. Go to Step 12.
THAN 100 PS1G.
- b. Ectablish flow:
- 2) Verify seal return
valves as necessary:
NORMAL FOR RCP SEAL NUMBER 1 DIFFERENTIAL e
HV-8141A (RCP 1)
(N PRESSURE.
e HV-8141B (RCP 2)
\\
e HV-8141C (RCP 3) e HV-8141D (RCP 4)
NOTE Without instrument air available letdown should be established using Attachment C.
12.
Check If Letdown Can Be Established:
- a. Check PRZR level-
- a. Control charging as GREATER THAN 19%
necessary.
WHEN PRZR
[50% FOR ADVERSE level GREATER TRAN 19%
CNMT).
[50% FOR ADVERSE CNMT)
THEN do Step 12b.
Continue with Step 13.
- b. Establish letdown by
- b. Establish excess letdown initiating 13006, by initiating 13008, CHEMICAL AND VOLUME CHEMICAL AND VOLUME e
CONTROL SYSTEM STARTUP CONTROL SYSTEM EXCESS f
AND NORMAL OPERATION.
LETDOWN.
\\._
i PROCEDU.~ E NC.
0,EVISloN PAGE NO VEGP 19101-C 8
11 of 20
(, y)
ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED 13.
Control Charging And Letdown Flow To Maintain PRZR Level Between 19% [50% FOR ADVERSE CNMT) And 50%.
14.
Establish PRZR Pressure Controls
- a. Check letdown - IN
- a. Use PRZR heaters and one SERVICE.
PRZR PORV to maintain RCS pressure.
Go to Step 15.
- b. Use PRZR heaters and auxiliary spray to maintain RCS pressure.
,G
\\m l l
CAUTION on natural circulation, RTD bypass temperatures and associated interlocks will be inaccurate.
15.
Verify Natural Circulation:
15.
Raise rate of dumping steam from intact SGs until natural circulation is verified, o
RCS subcooling monitor -
GREATER THAN 24'F [38'F FOR ADVERSE ONMT).
e SG presr. ores - STABLE OR LOWERING.
RCS hot leg temperatures-e STABLE OR LOWERING.
e Core exit TCs - STABLE OR LOWERING.
\\~#
e RCS cold leg temperatures-AT SATURATION TEMPERATURE FOR SG PRESSURE.
IOM4%
1
~
PHoCEDU;,E No.
HEVISloN PAGE No VEGP 19101-C 8
12 of 20
[
\\
_ ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED 16.
Check If Source Range Detectors Should Be Energized:
- a. Check intermediate
- a. WHEN flux less than 10-10 range flux - LESS THAN
- amps, 10-10 AMIS.
Continue with Step 17.
- b. Verify source range
- b. Manually energize source detectors - ENERGIZED.
range detectors,
- c. Transfer nuclear recorder to source range scale.
NOTE Without RCPs in service, boric acid will not mix (V3 uniformly in tlie RCS.
17.
Verify Adequate Shutdown Margins
- a. Open sample isolation valves as necessary,
- c. Shutdown margin -
- c. Borate as necessary to a ADEQUATE.
xenon free, cold shutdown concentration by initiating 13009, CVCS REACTOR MAKEUP CONTROL SYSTEM.
18.
Maintain Plant Conditions -
STABLE:
e RCS pressure.
PRZR level.
[ T e
RCS temperaturen.
l k/
e Intact SG levelli.
l 73M41
r PROCEDUAE No-F.EVisioN PAGE No.
VEGP 19101-C 8
13 of 20 wJ ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED 19.
Check ECCS Flow Not Required:
- a. RCS subcooling monitor -
RECOVERY WITH SI REQUIRED.
- b. PRZR level - GREATER
- b. Control charging flow to THAN 9% [36% FOR maintain PRZR level.
ADVERSE CNMT).
IF PRZR level can NOT be maintained, THEN go to 19102-C, EUATO.2 LOSS OF ALL AC POWER RECOVERY WITH SI REQUIRED.
20.
Try To Restore Offsite 20.
Maintain plant conditions
- Power To All AC Busses stable using AC emergency By Initiating
- power, s
Appropriate Electrical Procedures.
21.
Start Essential Chilled Water Pumps By Initiating-13744, ESSENTIAL CHILLED WATER SYSTEM.
4 O
'~
....m.
e PnoCEDUHENo.
AEVl5loN PAGE No VEGP 19101-C 8
14 of 20 ACTIONS / EXPECTED RESPONSE RESPONSE NOT OBTAINED CAUTION e Two hot starts of an RCP are allowed if the pump coasts to a stop between starts.
(Approximately 2 minutes.)
e Subsequent hot star;ts are allowed if the pump has been running for 20 minutes or idle for 45 minutes.
e Start only one RCP at a time.
22.
Determine If Natural Circulation Cooldown Not Required O(O
- a. Start at least one RCP
- a. Co to 19002-C, ES-0,2 using Attachment D.
NATURAL CIRCULATION C00LDOWN.
- b. Consult TSC and go to appropriate procedure.
END OF PROCEDURE TEXT
/O V
~
~
1:
PAOCEDU;;E No-REVIStoN PAGE No.
VEGP 19101-C 8
15 of 20
()
~
Sheet 1 of 2 ATTACRMENT A ESTABLISHING CHARGING WITHOUT INSTRUMENT AIR A.
Establish Charging With Train A Emergency Bus Energized:
- 1. Verify Train A CCP - RUNNING.
- 2. Verify Train A charging isolation valves - OPEN:
e HV-8116 e
HV-0190A HV-8105 (locally verify if Train B De-energized) e
- 3. Shut the following charging isolation valves:
e HV-8485A e
HV-8106
- 4. Maintain desired charging flow using HV-0190A.
- 5. Open charging to seal injection manual isolation:
O-UNIT 1 UNIT 2 1-1208-U6-152 2-1208-U6-152
- 6. Return to Step 5 of this procedure.
NOTE Use the following section of this attachment to control seal injection after seal cooling is established.
- 7. Maintain 8 to 13 gpm acal injection flow by throttling:
UNIT 1 UNIT 2 1-1208-U6-152 2-1208-U6-152
- 8. Maintain desired charging flow using HV-0190A.
O V
PROCEDURE No, REVISloN PAGE No.
VEGP 19101-C 8
16 of 20 Sheet 2 of 2 ATTACHMENT A (Cont'd.)
B.
Establish Charring With Train B Emergency Bus Energized:
~
- 1. Verify Train B CCP - RifMNING.
- 2. Verify Train B charging isolation valve HV-0190B - OPEN.
- 3. Verify Train B BIT outlet isolation valve HV-88018 - OPEN.
- 4. Shut the following charging isolation valves:
e HV-8438 e
HV-8485B
- 5. Maintain desired charging flow using HV-0190B.
- 6. Opcu charging to seal injection manual isolation:
UNIT 1 UNIT 2, 1-1208-U6-151 2-1208-U6-151
()
- 7. Return to Step 5 of this procedure.
NOTE Use the following section of this attachment to control seal injection after seal cooling is established.
- 8. Maintain 8 to 13 gpm seal injection flow by throttling:
l UNIT 1 UNIT 2 1-1208-U6-151 2-1208-U6-151 l
- 9. Maintain desired charging flow using HV-0190B.
l-END OF ATTACHMENT A 1
O l
v I
FA 441
)~
+
e P ;oCEDh.E No.
REvlstoN PAGE No;
~
s VEGP 19101-C 8
17 of 20
/~()
Sheet 1 of 1 ATTACHMENT B RECOVERY OF RCP SEAL INJECTION 1.
Check RCP No. 1 seal temperature.
IF less than 220*F, THEN open CVCS. SEALS RCI SEAL INJ SUPPLY CNMT ISO valve and XCCU supply to the affected RCP.
Return to Step 10 of this procedure.
IF greater than 220*F, THEN proceed to Step 2 of this Attachment.
2.
Verify seal injection supply temperature - LESS THAN 135'F.
Verify ACCW supply temperature - LESS THAN 105*F.
3.
Dispatch operator to shut CVCS SEALS RCP SEAL INJ NEEDLE VLVS TO fl SEAL for affected RCP.
e 1208-U4-414(RCP 1)
<~s e
1208-U4-415(RCP 2)
(
I 1208-U4-416(RCP 3) e
' ~
e 1208-U4-417(RCP 4) 4.
Verify CVCS SEALS RCP SEAL INJ NEEDLE VLVS of Step 3 of this Attachment is shut.
5.
Open CVCS SEALS RCP SEAL INJ SUPPLY CNMT ISO valve for affected RCP.
6.
Slowly oaen CVCS SEALS RCP SEAL INJ NEEDLE VLVS TO fl SEAL to establis a a l'F per minute cooldown rate.
7.
WHEN RCP No. I seal temperature is less than 220*F, THEN restore ACCW supply to the affected RCP.
8.
IF normal charging has been established, THEN. Control charging and seal inj ection using FV-0121 and HV!U182 or Attachment A as appropriate.
9.
Verify RCP seal parameters:
Seal injection supply temperature - LESS THAN 135'F.
e RCP No. 1 seal temperature - LESS THAN 220*F.
e ACCW supply temperature - LESS THAN 105*F.
e
/~
k)N IF RCP seal parameters can NOT be verified, THEN secure the affected RC E 10.
Return to Step 11 of this procedure.
END OF ATTACHMENT B
y,,g r
o PROCEDUHE NO.
REVISION PAGE NO.
a VEGP 19101-C 8
18 of 20 ex Id Sheet 1 of 1 ATTACHMENT C ESTABLISH SAFETY GRADE I.ETDOWN CAUTION The PRT may rupture while performing safety grade letdown.
1.
Open Reactor Vessel Head Vent isolation valves:
e HV-8095A e
HV-8096A e
HV-8095B e
HV-8096B t
3 2.
Open Reactor Vessel Head Vent flow control valves to o*utain desired letdown flows e
HV-0442A e
HV-0442B END OF ATTACHMENT C l
I (vl
- - ~ -. -.
~w-.-
E PhoCEDUAE No.
REVISloN PAGE No.
VEGP 19101-C 8
19 of 20
-(f Sheet 1 of 2 ATTACHMENT _D STAR' TING A REACTOR COOLANT PUq 1.
Establish Initial Conditions:
a, 13.8KV power available to RCP.
- b. Steam bubble in PRZR.
- c. #1 Seal dP greater than or equal to 200 psid,
- d. Seal injection flow 8 to 13 gpm.
oe. Seal leakoff flow greater than or equal to 0.2 gpm.
2.
Check the following alarms clear or establich conditions to clear those alarms for the RCP to be started:
- a. RCP LOWER OIL RSVR HI/LO LEVEL.
- b. RCP UPPER RSVR HI/LO LEVEL.
-c.
VOI-UME CONTROL TANK OUTLET TEMP H!.
- d. VCT HI/LO PRESS.
- f. RCP STNDPIPE HI LEVEL.
- h. RCP NO 2 SEAL LKOFF HI FLOW.
- 1. ACCW-RCP THERM BARRIER HI PRESS.
3.
Verify all RCP ACCW thermal barrier isolation valves open.
4.
Start the associated RCP oil lift pump.
5.
After two minutes of lift _ pump operation, start the RCP.
O
gy;q,;j -
- ' ~ ' ^ ~ ' " ~ ~ ^ " ~ ~ ^ ' ~ - ' ' ' "
~
~ "
t o.
PAoCEDURE No.
REVIStoH PAGE No.
VEGP 191C l-C 8
20 of 20
-p Q
Sheet 2 of 2 ATTACHMENT D (Cont'd.)
6.
After approximately one minute check the following' alarms' clears a._RCP LOW FLOW, b
RCP SHAFT VIBRATION,
- c. RCP FRAME VIBRATION,
- d. Those alarms in Step 2.
7.
After one minute of RCP operation, stop the oil lift pump, G
END OF ATTACHMENT D O
O
_