ML20062L712

Public Version of Emergency Instruction I-4.12,Revision 4, Loss of Feedwater

ML20062L712
Person / Time
Site:	Salem
Issue date:	09/19/1980
From:	Bailey J, Connor G Public Service Enterprise Group
To:
Shared Package
ML18085A819	List: ML18085A820 ML20062L684 ML20062L687 ML20062L691 ML20062L694 ML20062L699 ML20062L704 ML20062L708 ML20062L712 ML20062L720
References
I-4.12-01, I-4.12-1, NUDOCS 8102170411
Download: ML20062L712 (4)

Text

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. . , , 1-4.12 EE RGENCY INSTRUCTION 1-4.12 LOSS OF FEFDWATER '

.V 1.0 PMRPOSE

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1.1PARTI IHIS INSTRUCTION DESCRIBES THE ACTIONS REQ AL OR COMPLETE LOSS OF FEEDWATER F10W.

1.2 A LOSS OF FEEDWATER ELOW MAY BE CAUSED BY ANY O '

i 1.2.) LOSS OF MAIN FEED PUMP ( )

1.2.2 LOSS OF CONDENSATE PUMP (3) 1.2.3 LOSS OF' HEATER DRA:9 PUMP (3) 1.2.4 MALFUNCTION OF A FEEDWATER CONTROL VALVE 1.2.5 MALFUNCTION OF THE CONDENSATE POLISHING SYSTEM 1.2.6 ISCLATICN FEED CR CF,NDENSATE SYSTEM LEAK CR RUPTURE UPSTR VALVES, 11-14(21-24)EF22. ~

1.3 A FEE:

WATER SYSTEM LEAK OR 9UPTURE DOWNSTREAM OF TH N VALVES. '

s 11-14(21-24)3F22 IS TREATEE AS A LOSS OF SECONDARY 1.4 THE PRIMARY CON 11 DERAT 10N C'; A PARTI AL LOSS OF FLO '

LESS THAN THE AVAILABLE FEE.' WATER FLOW TO AVO!D A .

2.0 INITlal CONDITIONS i 2.1 STEAM FLOW AND/OR FEEL FLOW OEVIATION ALARMS (F

• E STEAM GENERAT-ORS. 3 g AND/OR F, > F ) ON ONE CR MORE S

2.2 ERRATIC STEAM 6ENERATOR LEVE'. INDICATICN.

2.3 STEAM GENERATOR LEVEL DEvlAT:ON ALARM.

2.4 LOW FEEDWATER HEADER PRESSURE.

.e 2.5 MAIN FEED PUMP TRIP.

2.6 CONDENSATE PUMP TRIP.

2.7 HEATER DRAIN PUMP TRIP.

2.3 CCNOENSATE Pc'.13H!ss SYSTEM IRCUBLE ALARM.

810SALEM 217 0W UNIT 1/ UNIT ? "

i l CF 4 REv. T

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3.0 If9FDfATE ACTIOy - 1-4.12 3.1 AuYewAYrc

,y 3.1.1 FEEDWATER HEATE- SvPASS THE IIAIN FEED Pu PS DECREASES 70

. 265 PSIG.

PRESSURE VALVE AT THE SUC 3.1.2 MAIN IN NO. 11 & 12(21 FEED

& 22) PUMPS RIP AT 215 PSIG uRE. THIS w!LL RES LEVELS CECREASE, A REACTOR IRIP nc. AS w!LL OCCU STEAM GENERA A) A RESULT OF ONE OF THE FO a) STEAMSTEAR Low-Low FLCw > FEED LEVEL.

GENERATOR Ftow IN, COINDIDEN OR 3.2 MANUAL 3.2.1 REDUCE STEAM Flow TO A VALUE LE DWATER Flow.

3.2.2 PLACE TO STABILIZE THEFEEDwATER LiVELS, IF NECESSARY. CMTROL IN MAN AM 6ENERATORS AND AT 3.2.3 IF A FEED LINE RuP RE IS INDICATED, 5: -

PROCEED A) IRIP BOTH MAIN E B)

C) CLOSE 13-14(21-24)BF13!ED FUMPS FROM T UMP.

a D)

VERIFY 12 & 12C1 & 22) AUXILI THEM IF NECESSA'Y.

RIP". AR

. TARTED. START 4.0 SUMEctrNT ACTIONS 4.1 CDPMENTS_

IF BOTH MAIN FEED PUMPS HAv! TRIPPED, INSURE NO. 11 & 12(21 & 22)

Aux! w aY FEEDWATER 4.1 Flow Is REculitED TO AT L PUMPS HAVE STARTED AND ARE ."ELIVERING Flow Two STEAM GENERATORS.

TO THE STEAM 6ENERATORS BY CHECKING THE AUXILIARY FEEDWATEn iLO* INDICATORS ON THE CONTROL CONSOLE.

4.1.1 IF Flow HAS NOT BEEN ESTABs.!SHED, PROCEED AS FOLLows:

1) e CHECK THE DISCHARGE PRESSURE ON THE MOTOR DRIVEN AJXILIARY FEED-WATER PUNPS (11 & 12, 21 & 22)

• HICH ARE RUNNING. IT SHOULD sE >l350#. e 2)

! IF THE PRESSURE IS <1350#,

\ .

2)

. DEPRESS inE PRE 35 C753ElCE EEFEAI TurS wtLL REM 0vs THE PUMP 007 PROTECTION.

SAuM UNrT 1/ UNIT 2 '

l 2 0F 4 ggy,4 l

2) I-4.12 IF THE PRESSURE t's <1350#,

- 2)

DEPRESS THE PRESS OVERRIDE THIS WILL REnovE THE DEFEAT PususuTTON ON THE Oui PROTECT!on.

CONSCLE BEZEL FOR EACH AUxlLIARY FEED- '

WATER PUMP W1TH A LOW PRESSURE. THE OtSCHARGE PRESSU MITTER MAY BE FAILED LOW ;

VENTING THE DISCHARGE ;

FROM OPENING.

3)

IF THE PRESSgRE ts >1350# CHECx 3)

THE VALVE DEMANC SET AT $95% FOR 11-14 A FAltuRE In THE PUMP R (21-24)AF21 cN THE CONS 0LE sEzEL.

ALSO, DEPRES: PROTECTl0N CIRCu!TRY MA THE PRESS OVERRIDE VENT THE otSCHARGE VALV I DEFEAT PuSHacTTON ON THE CONSOLE OPENING. No.11(21) FEEDS N FOR EACH Aux:;.!ARY PEEDWATER 13 1 14(23 & 24) STEAM G TORS.

PUMP FOR WH1C.4 THERE IS NO FLOW.

NO. 17(22) FEEDS No. 11 &

4) (21 & 22) STEAM GENERA IF EXCESSIVE rLCW IS INDICATED TO ONE OR MORE STEAM GENERATOR, ,

RE-ESTABLISH THE PUMP RUNOUT PROTECTION BY OEPRES$1NG THE PPISS OVERRIDE NOR K. auSHsUTTON ON THE CONSOLE FCR THE AFFECTED Aux!LI ARY FEEDuTER PUMP (S).

PROCEED TO El :-4.5, " LOSS OF SECONDARY (00LANT".

5) START,

- IF NOT A. READY RUNNING, NO. 13 (23) Aux!LIARY r"EEDWATER PUMP AND VERIFY 11-14(21-24)$F13 ARE OPEN. '

CAUTION: IF THE LEVEL IN ANY STEAM 6ENERATOR -AS BEEN <10% IHE FEED RING DRAINS SLO IN THE NARROW RA:st FROM MORE THROUGH THE LOOSE FIT CON THAN 5 MINUTES At.D ALL FEEDWATER TION To THE FEED IN.ET P! PIN HAS BEEN ISCLATE: 70 THAT STEAM GENERATOR FOR MCFE THAN 5 MINUTES, IF CONDITICNS REQUIRE m FLOW MUST BE LIMI'ED TO <1 x 10' FLOW FOR DECAY HEAT etEMOV LBM/HR TO THAT STEAM GENERATORCONSIDERATIONS, THIS TAKES UNTIL THE LEVEL !! RETURNiD TO PRECEDE:4CE OVER THE WATER

>10% IN THE NARROW RANGE. HAMMER CONSIDERATI0s .

4.2 IF THE LOSS OF FEEDWATER IS DUE TO FLOW

i. MALFUNCTION OF THE STEAM 6ENERATOR 4.2 POWER CAN 3E RETURNED TC, F WATER LEVEL CONTROL SYSTEM, MAINTAIN LCAD.

THE FEEDWATER FLOW CONTROL IN PANUAL e UNTIL NECESSARY REPA!R$ CAN 3E MADE.

i SALEM UNIT 1/UN!f 2 .

3 gp q REV. 4

. .e 1-4.12 4.3 IF THE LOSS OF FLOW IS DUE TO A LOSS 4.3 FEED PUMP <55% -

CF A MAIN FEED PUMP, CONDEN3 ATE PUMP CONDENSATE PUMP <70%

V OR HEATER DRAIN PUMP, MAINTAIN THE HEATER DRAIN PUMP <85%

POWER LEVEL CONSISTENT WITH THE AVAIL-ABLE FEEDWATER FLQW.

4.4 IF THE LOSS OF FLOW IS DUE TO A CONDENSATE 4.4 POWER CAN BE RETURNED TO POLISHING SYSTEM MALFUNC*10N, BYPASS THE LOAD.

4.4.1 OPEN 11-13(21-23)CN108, CONDENSATE POLISHING SYSTEM 3YPASS VALVES.

4.4.2 CLOSE 1(2)CN109, CON?ENSATE I!N!

POLISHING SYSTEM INLET VALVE 4.4.3 NOTIFY THE PERFORMANOE DEPARTMENT 4.4.3 OPERATION WITH THE THAT THE CONDENSATE POLISHING UNIT CONDENSATE UNIT BY-

!$ BYPASSED. PASSED SHOULD BE MINIMIZED.

W

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PREPARED BY JAY EAfLEY MANAGER - TALEM 6ENERATING STATION REVIEWED BY CHRIS CONNCF SCRC MEETING No. 74-80 DATE M

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