ML050470393
ML050470393 | |
Person / Time | |
---|---|
Site: | Turkey Point |
Issue date: | 08/12/2002 |
From: | Florida Power & Light Co |
To: | Office of Nuclear Reactor Regulation |
References | |
0-ONOP-016.10, FOIA/PA-2004-0277 | |
Download: ML050470393 (11) | |
Text
0-ONOP-016.10 Page I of, FLORIDA POWER AND LIGHT COMPANY TURKEY POINT UNITS 3 AND 4 PRE-FIRE PLAN FIRE ZONE NO: 67 ZONE NAME: 4160V Switchgear 4B Room LIST OF EFFECTIVE PAGES:
PAGE DATE PRE-FIRE PLAN 1 08/12/02 2 11/02/00 3 08/12/02 OPERATIONS SAFE SHUTDOWN MANUAL ACTIONS 1 02/09/01 2 02/09/01 3 02/09/01 4 02/09/01 5 02/09/01 6 05/09/01 7 05/09/01 8 05/09/01 9 05/09/01 MANUAL ACTIONS TO MITIGATE THE CONSEQUENCES OF FIRE DAMPER Q./Il CLOSURE NIA Information in this record was deleted Ij in accordance with the Freedom of Information Act, exemptins FOIA kc-.77 W97/ JGInd/ms/r/ev
Procedure No.: IProcedure
Title:
Pre-Fire Plan Guidelines and Page: 2 O-ONOP-016.10 Safe Shutdown Manual Actions Approval Date:
11/02100 Fire Zone Number 067 Unit 4 4160V Switchsear 4B Room I
I.C~
4.0 SUPPRESSION
N/A 5.0 VENTILATION SYSTEM:
FAN TRVFAKFrT MCr andi t.pCATIMN AHU-4E244A 45302 4L 4B53, Swvgr. Rim 4A, Zone 068 AHU-4E244B 45402 4M 4B54, 4B Switchgear Rm., Zone 067 5.1 VENTILATION GUIDE:
An air ejector can be placed at either doorway and the ventilation ductwork run clear of the area out to open air.
6.0 RADIOLOGICAL CONDITIONS:
RADIATION- N/A CONTAMINATION - N/A
7.0 PRECAUTIONS
N/A
Page 1 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 2/9/01 FIRE ZONE 67 (416OVSwitcheear4B Room)
X - - NOE
~NOTESX I X Manual actions identified for this fire zone may have to be performed prior to or in I I conjunction with other procedure(s) as required to operate equipment to maintain safe plant conditions.
I I .I iA-! '1 I
- containment entry and ICCS and A keys may be required for actions.1 L -_ - - --------- _ -----
1.0 IF a LOOP AND 3A/4A EDG trip has occurred, THEN perform the following:
I1) Verify open OR open all breakers on 3A or 4A 4KV Switchgear.
1.2 Restart 3A/4A EDG AND energize 3A or 4A Switchgear using 3/4-ONOP-023.2, EMERGENCY DIESEL GENERATORFAIAREF W97/ JGId/ms/lrlev
Page 2 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 2/9/01 FIRE ZONE 67 (4160VSivitchzear 4B Room) 4.0 IF any Unit 4 RCPs are operating AND any of the following conditions exist:
is' Loss of cooling to RCPs as evidenced by any RCP trip criteria of 4-ONOP-041.1, Reactor Coolant Pump Off-Normal, being exceeded.
OR El Containment temperatures exceeding 120 degrees on either R-4-1413 OR TE-4-6700/6701/6702 (ERDADS).
OR 29 CCW flow to the Normal Containment Coolers can NC be verified (FI-4-1467).
-' 4 ;
THEN perform the following manual action 4.1 Trip OR verify tripped Unit 4 reactor.
4.2 - Verify tripped OR trip Reactor Coolant Pump 4A.
4.3 Verify tripped OR'trip Reactor Coolant' Pump 4B.
4.4 Verify tripped OR trip Reactor Coolant Pump 4C.
'U 6t 6.0 Perform the following to prevent spurious blreaker closuresur 6.1 Perform the following at 3C06 AND 4C06:
6.1.1 Verify stopped OR stop SI pump 3A and place control switch in Pull-to-Lock.
. . An..
W97/ JG/kldmsArlev
Page 3 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 2/9/01 FIRE ZONE 67 (4160VSwitchzear 4B Room) 6.2 IF RHR pumps are not running to provide core cooling on Unit 3, THEN perform the following RHR in the Control Room:
6.2.1 Verify stopped OR stop RHR pump 3A and place control switch in Pull-to-Lock.
CAUTION RHR pumps should not be run at minimum recirculation flow for greaterthan 30 minutes.
6.3 IF RHR pump 3A is required for plant cooldown, THEN release 3A RHR pump from pull-to-lock and operate 3A RHR pump as necessary.
6.4 IF a LOOP has occurred, THEN perform the following:
64(I) Pull the close circuit fuses FU-52 (UC) at Breaker 4AA2 (L4.2_ Verify open OR open Breaker 4AA21 with the breaker co SW cswtc the mechanical trip.
C.4:3, Pull the close circuit fuses FU-28 (UC) at Breaker 4AA11
.4.4" Verify open OR open Breaker 4AAI 1 with the breaker co 1 switch OR the mechanical trip.
645) Pull the close circuit fuses FU-19 (UC) at Breaker 4AAO
.6.4.6' Verify open OR open Breaker 4AA07 with the breaker control switch OR the mechanical trip.
(6.4.7 Isolate the close circuit for Breaker 4AAO1 1 y taking transfer switch XS4AAO 1 to ISOLATE. -
C 8 Verify open OR open Breaker 4AAO1 with the breaker control switch OR the mechanical trip.
W97/ JG/ldImsIlr/ev
Page 4 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual'Actions 2/9/01 FIRE ZONE 67 (4160V Switchgear 4B Room)
(7.0 IF 4C Emer en Containment Cooler spuriously actuates, THEN open Breaker 40650 8.0 Perform the fol lowin 8.1 IF NO LOOP has occurred, AND RCPs are running, THEN verify at least-two Normal Containment Coolers are operating (4A AND 4C NCCs are preferred).
8.2 IF less than two Normal Containment Coolers are available, THEN carefully monitor RCP parameters AND take action according to Step 4.0 above.
8.3 IF a LOOP has occurred OR NO RCPs are running, THEN verify at least one Normal Containment Cooler is operating.
- - a hi7 Perform the following actions a=
(9J Place the Normal/Isolate transfer switch S0 to the ISOLATE position.
'WbV
.2 Verify OR mechanically trip Breaker 40402. " & o Lt C)-° W971 JGndsflrlev
Page 5 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 2/9/01 FIRE ZONE 67 (4160VSwitchgear 4B Rooin) 10.0 Perform the following actions at the{_
%1Q.1 Disable the charging spring motor by placing the Charging Motor Toggle Swtch in the OFF-position.
- - - - - - - - - - - n - - - - - - - - - - - --.
X - NOTE I If a breaker is in the OPEN position, the charging springs can be discharged by first I holding in the manual TRIP pushbutton and then lifting the manual CLOSE leverIto..
discharge the charging springs to prevent spurious closure of a charged breaker. -d-(L2 Place Breaker 40303 in the OPEN position with springs discharged.
11.0. Perform the following actions at of L spurious operation of Unit 4 Contro eaters:
(I. Disable the charging spriig motor by placing the Charging Motor Toggle Switch in-the OFF position.
- OT I If a breaker is in the OPEN position, the charging springs can be discharged by firstI holding in the manual TRIP pushbutton and then lifting the manual CLOSE lever to I discharge the charging springs to prevent spurious closure of a charged breaker.
L - - - - - - - - - - - ---_ - I I
12G Place Breaker 40307 in the OPEN position with springs discharged.
12.0 Perform the following actions _ of spurious operation of Unit 4 4B Baup eaters: J
.2) Disable the charging spring motor by placing the Charging Motor Toggle Switch in the OFF position.
- - - - - - - - - N OTE - - - - - - - - - - -
If a breaker is in the OPEN position, the charging springs can be discharged by first holding in the manual TRIP pushbutton and then lifting the manual CLOSE lever to
- discharge the charging springs to prevent spurious closure of a charged breaker.
L _ _ _- - - - - - - - - - -
(2.2.) Place Breaker 40408 in the OPEN position with springs discharged.
W97/ JG/ldlms/lrlev
Page 6 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 5/9/01 Fi 75 FIRE ZONE 67 a' Gl~vil/11)
(4160VSivitch-gear 4B Room) 13.0 Perform the following actions at the Unit4 Main St Platform to revent spurious loss of Atmospheric Steam Dump contr 13;1 Unseal and align 4-10-106, 4-10-206, and 4-10-306 to ISOLATE.
14.0 Perform the following action f CV4-2803 (instrument air to Unit 4 containment) spurious closure:-:
C1r4j Close instrument air valve 440-364 (air to CV4-2803) in outdoor area west of Unit 4 containment.
4S1 Vent air off the actuator of CV-4-2803.
Ie V"
' q. asr Verify that CV-4-2803 fails open.
II I IA I 5.0 TFth U , it.- -ie and Valve Room is accessible. THEN perform the following actions 71- -1 2 151 Close 4-10-650.- -- -
(1.2' 5 Close 4-10-651.
15.3 Perform the following:
i/ 15.3.1' Remove the seal from 4-401901, Safe Shutdown CV-4-2905 Manual Control Vent Valve.
/ .;2 Rotate 4-40-1901 to the VENT position.
(1.3.3 Remove the seal from 4-40-1902, Safe Shutdown CV-4-2905 Manual Close Air Isolation Valve.
t/ 153.4' Rotate 4-40-1902 to the MANUAL position.
(1a5/3,5 Verify CV-4-2905 is closed.
- j-4) Open OR verify open BreakarA0650r
~6.0 IF Unit 4 Pipe and Valve Room is NOT accessible, AND spurious actuation of a CCW valve causes CCW flow to increase, THEN verify 3 CCW Heat Exchangers are in
-_ service AND operate 2 CCW pumps as required.
.1 IfI7.0 Perfomtii the followin 1)1 Open door DO1l-1 in the 4B DC Equipment Room.
,2,Position portable fan at door D101-1 AND connect to dedicated receptac e 412A-1 q to provide air flow to 3A DC Equipment Room. 2 [
W971 JG/ldlmsfldev
- 0 Page 7 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 5/9/01 FIRE ZONE 67 (416OVSivitcheear4B Room) 18.0 Perform the following action on Unit 4:
8.1 Isolate letdown by performing the following manual actions:
.+18.1.1f Close CV4-200A.
)418.1.2 i Close CV4-200B.l A 18T.3 Close CV4-200C.
X18.1.4 Close LCV-4460.
l S 8.2 Notify the NPS to evaluate the current pressurizer level AND the rate of level decrease.
W97/ JGIId/msnrlev
Page 8 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 5/9/01 FIRE ZONE 67 (4160VSwitchgear 4B Room)
UP*
18.5.1 Verify charging flow via FI4-122A (VPA).
18.5.2 Restore pressurizer level to program.
19.0 IF needed for pressure control AND CV-4-311 Auxiliary Spray Valve fails closed,
/ 4jTHEN perform the following:
)9.1 Close OR verify closed CV4-310A and CV4-310B.
Ho 19.g;Manually 19.2 openn CV4-311 using n the handwhce e W971 JG/Idtmslrlev
Page 9 of 9 Operations Safe Shutdown 0-ONOP-016.10 Manual Actions 5/9/01 FIRE ZONE 67 j416OVSwitchzear 4B Room)
CAUTION A fire in the U-4 4B 4KV Switchgear Room may cause spurious actuation of Auxiliary Spray Valve, CV-4-311, and may give false valve Indicationfor Auxiliary Spray Valve, CV-4-311.
20.0 IF RCS Pressure is decreasing from spurious actuation of Auxiliary Spray Valve, CV-4-3 11, THEN perform the following:
20.1 Reduce charging to one pump at slow speed.
- ? 20.2 Close charging to RCS Control Valve, ICV-4-121.
F I)~ Throttle RCS Control Valve Bypass Valve, 4-333, to maintain cooldown AND boration through the RCP Seal Injection Lines.
21.0. Perform the following actions if spurious actuation closes HCV-4-121 Charging to RCS Control Valve and charging is required:
(21.) Close Instrument Air to HCV-4-121 Charging to RCS Control Valve, 40-1718,
'21. 2'.Vent Instrument Air Regulator to HCV-4-121 Charging to RCS Control Valve - to Fail Valve Open, Control Charging flow by manually throttling HCV-4-121 Outlet Isolation Valve, 4-202A.
22.0 IF CV-4-31 OB Charging to RCS Loop C, fails open and requires closing, THEN close CV-4-3 1OB manually by using handwheel inside containment.
23.0 Perform the following Manual Actions prior to Unit 4 Primary Pressure decreasing below
.650 psig:
( ".OpenBreaker 40532 at MCC-4A (MOV-4-865B).
- 5 ,)Locallyclose Accum 4B Isolation, MOV-4-865B.
W971 JG/Idlmsllrlev