ML20071Q375

From kanterella
Jump to navigation Jump to search
Rev 8 to FNP-0-AOP-31.0, Loss of Svc Water Pond
ML20071Q375
Person / Time
Site: Farley  Southern Nuclear icon.png
Issue date: 06/24/1993
From:
SOUTHERN NUCLEAR OPERATING CO.
To:
Shared Package
ML20071P955 List:
References
FNP--AOP-31.0, FNP-0-AOP-31.0, NUDOCS 9408110195
Download: ML20071Q375 (9)
v • d • e


Text

__. ..

.o FNP-0-AOP-31.0 ,

June 24, 1993 Revision 8 FARLEY NUCLEAR PLANT [

ABNORMAL OPERATING PROCEDURE FNP-0-AOP-31.0 LOSS OF SERVICE WATER POND PROCEDURE USAGE REQUIREMENTS SECTIONS CONTINUOUS USE - Each step of the procedure  ;

is to be read prior to performing that step.

Each step is to be performed in the sequence S given. Where required, each step is to be A signed off as complete before proceeding to F i the next' step. E '

T REFERENCE USE - The procedure is to be ALL Y referred to periodically to confirm that all i required parts of a work activity have been R ,

performed. Where required, steps are to be E  !

signed off to show that procedure L requirements have been met. A T

INFORMATION USE - An activity may be E performed from memory, but the procedure D should be available for use as needed and for training.

UNCONT ROLLt0 COPY CAUitON: This Copy $5 Approved: net tonintained corrent Do Not Use in Salety Related Activity

. p4: W ^ '

Atanager- perations Date Issued: d o7 [--f.3

' OPS /AOP-10 DOC. 18/10 #"*" " "*8 Atales ut esn ton 00 tuonno pauietuietu 100 S'A'103 S N 1 :NOt10V3 MO3 cmOH1NO3NG

. < ar

  • 9408110195 940729 ~k ,

PDR ADOCK 05000348 F PDR n,

  • FNP-0-AOP-31.0 l LIST Or EFFECTIVE PAGES
  • 1 I

REVISION NO.

PAGE NO. REV.# 6 7 8 9 10 11 12 13 14 15 1 5 x x x i 2 5 x x 3 5 x X 4 x x X i 5 x x .

6 x x l 7 x '

i l

l l

l i

2 1

I i

1 Page 1 of 1 -

I I

i L t,' FNP-0-AOP-31.0 LOSS OF SERVICE WATER POND R3 vision 8 A. Purpose t his procedure provides actions for response to loss of the service water pond.

his procedure is applicable at all times.

B. Symptoms or Entry Conditions I. Wis procedure is entered when a loss of the service water pond is indicated by any of the following. .

a. Actuation of Unit 1 SW POND LVL A TRN LO annunciator AG3 or SW POND 5 LVL B TRN LO annunciator AH3 (184 ft 4 in)
b. Actuation of Unit 1 SW WET PIT LVL A TRN ID annunciator AG4 or SW '

WET PIT LVL B TRN ID annunciator AH4 (170 ft 0 in)

E

~ . . .

i i

Page 1 of 7 w, -- + ...,,w --

, + - . , , - , ,-n- - <

', F=-0-AOP-31.0 LOSS OF SERVICE WATER POND Revision 8 Step Action / Expected Response- Response NOT Obtained l l l I I  !

4 NOTE:

  • All N pumps will start at 184 ft 4 in.
  • N 'IO POND A(B) TRN valves will close and RW EMERG SUPP TO SW WET PIT valves will open at 184 ft 0 in.
  • SW A(B) HDR EMERG RECIRC 'IO POND valves on both units will- open, SW HDR NORMAL DISCH ISO A(B) TRN valves on both units will close, SW 'IO WET PIT EAST (WEST) HDR ISO valves will open and SW 'IO POND EAST (WEST) HDR' ISO will partially close to divert approximately 50% of the SW recirculation flow to the wet pit at 180 ft 0 in.

_1 Verify all available RN pumps started.

  • Verify all available Unit 1 RN pumps - STARTED.

RW PUMP

[] #4

[] #5

[] #8

[] #9 ,

[] #10 1

  • Verify all available Unit 2 RR pumps - STARTED.

l RR PUMP

[] #1

[] #2

[] #3

[] #6

[] #7 Page Completed  !

l _. I I I I I Page 2 of 7 l

l

d. FNP-0-AOP-31.0 LOSS OF SERVICE MATER POND Revision 8 ,,

Step Action / Expected Response Response NOT Obtained ,

l l l l l l NOTE: Steps 2 and 3 are continuing action steps. l 2 Ir SW pond level less than T84 ft 4 in Are sW pond level falling,

'HIEN align SW system for recirculation.

2.1 Secure any liquid waste release from either unit.

2.2 Open SW recirculation to pond valves.

SW A(B) HDR EMERG RECIRC 'IO POND

[] OlP16VS39

[] OlP16VS38 SW A(B) HDR EMERG RECIRC 'IO POND

[] 02P16v539

[] 02P16VS38 l

i i

I

~

Step 2 continued on next page.

Page Completed l_ i l l  !

Page 3 of 7 l

s FNP-0-AOP-31.0 LOSS OF SERVICE WATER POND R vision 8 Step Action / Expected Response Response NOT Obtained l l l l I l I

CAUTION: Step 2.3 will isolate flow to the SW dilution. No liquid waste releases are permitted.

                                                                                                                                                                    • j fore:
  • Step 2.3 will isolate CW canal makeup and the water treatment plant clarifier.
  • Steps 2.1 and 2.2 must be complete before step 2.3 is performed.

2.3 Close SW normal discharge valves.

SW HDR NORMAL DISCH ISO A(B) TRN

() OlP16V546

[] QlP16V545 l 1

SW HDR NORMAL DISCH ISO A(B) TRN l

[] 02P16VS46

[] 02P16V545 tore: Technical Specification 3.7.6.2 details SW pond level LCO requirements.

- 3 IF SDf pond level less than 184 ft 0 in,

'ITE!N place both units in Mode 5 "

using FNP-1(2)-00P-3.1, PONER OPERATION, FNP-1(2)-UOP-2.1, SHlffD0pH OF (MIT FRCM MINIMM IDAD

'IO IDr .STNOBY and FNP-1(2)-UDP-2.2, SHUTDOIM OF INIT FRCM IDF S'INOBY

'IO CO[D .SIMEDCBM.

Page Conipleted l __. I I I I l Page 4 of 7 l ru

", m?-0-AOP-31. 0 LOSS OF SERVICE WATER POND Revision 8 Step Action / Expected Response Response NOT Obtained l l l l l l

- 4 NHEN SW pond level less than IET ft 0 in, 11HIN verify M discharge aligned to SW wet pit.

N EMERG SUPP TO SW WET PIT

[} QSP25V517 cpen

[] QSP25V518 open W 10 POND A(B) TRN

[] QSP25V514 closed

[] OSP25V513 closed CAUTION: To ensure adequate suction supply to the SW pumps, step 5 must be completed before SW pond leve' falls to 181 ft 10 in.

                                                                                      • .,************************.a************

IOTE: SW pond level will fall to 181 ft 10 in within approximately 4 days following loss of mdeup.

5 Ir SW pond level falling due B loss of M M e SW pond das NOT failed,

~iEN T perform the following.

5.1 Dispatch personel to SWIS for local breaker operations.

5.2 Verify SW TO POND EAST HDR ISO QSP16V507 - OPEN.

5.3 WH M SN 10 POND EAST HDR ISO DEFI6V507 open, TH E open BKR FK-A4.

5.4 Verify SW 70 WET PIT EAST HDR ISO QSP16V505 - CwSED.

5.5 WHEN SW TO WET PIT EAST HDR ISO QSP16V505 closed, THEN open BKR TK-MS.

Step 5 continued on next page.

1 Page Completed ,

l_I I I I I Page 5 of 7 l

FNP-0-AOP-31.0 MSS OF SERVICE WATER POND Revision A Step Action / Expected Response Response NOT Obtained l l l I I I 5.6 Verify SW TO POND WEST HDR ISO QSP16V508 - OPEN.

5.7 WHEN SW 70 POND WEST HDR ISO QSP16V508 open, THEN open BKR FL-A4.

5.8 Verify SW TO WET PIT WEST HDR ISO QSP16V506 - CwSED.

5.9 WHEN SW 70 WET PIT WEST HDR TEiTQSP16V506 closed, THEN open BKR FL-MS.

5.10 Direct Maintenance to remove l SW wet pit upper stoplogs.

_6 Monitor both units SW systems. 6 Perform FNP-1(2)-AOP-10.0, LOSS OF A OR B TRAIN SERVICE

  • Check SW system pressure - WATER in conjunction with GREATER THAN 60 psig. this procedure.
  • Check SW pond level - GREATER THAN 180 ft 0 in.

__ 7 Maintain SN pond level greater than 184 ft 0 in.

7.1 Check RW system - AVAILIABLE. 7.1 Consult Operations Manager to evaluate temporary means of makeup to SW pond.

7.2 Check RW flow - GREATER THAN 7.2 Consult Operations Manager OR EQUAL 10 SW FLOW. to evaluate isolating SW loads to reduce SW flow.

__ 8 Check SN pond restored. 8 Return to step 1.

  • Check RW supply - ADEQUATE.
  • Check SW pond level - GREATER 1HNF185 ft 0 in.
  • Check SW pond level - STABLE OR RISING.

Page Completed l_I I I I l Page 6 of 7

._ .x

s l

FNP-0-AOP-31.0 IDSS OF SERVICE WATER pot 0 Revision 8 Step Action / Expected Response Response NOT Obtained l I l l l l l

- 9 Restore both units SW systems to normal operation using FNP-1(2)-SOP-24.0, SERVICE 1RTER SYSTDt.  ;

l i

- 10 Go to procedure and step in effect.

i l

i

-END-i t

t i

4 i

f i

e i

e ve*

i i

n Page Completed  ;

l _._ !  !  !  !  !

Page 7 of 7

.R

Retrieved from "https://kanterella.com/w/index.php?title=ML20071Q375&oldid=2821210"