ML20045E707
| ML20045E707 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 01/29/1992 |
| From: | PORTLAND GENERAL ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20045E702 | List: |
| References | |
| FR-H.1, NUDOCS 9307020341 | |
| Download: ML20045E707 (3) | |
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N PORTLAND CENERAL. ELECTRIC COMPANY I
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l January 28, 1992 N
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QUAllTY RELATED i
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FUNCTIONA1. RESTORATION INSTRUCTION - FR-!!.1
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RESFONSE TO LOSS OF SECONDARY !! EAT SINK 2
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gf RESPONSIBLE DEPARIMENT:
OPERAI1ONS AgQ s
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APPROVED BY:
DATE:
O dPROCEDUREMANAGER EFFECTIVE DATE: l U ~9b N
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OR HlTORT,Ul0!!O!;U 3
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l'URTOSE n
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To respond to a loss of i;ccondary heat sink in all sten:n Eenerators.
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EMIRLCONDIIICNS i.
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This procedur e f u entered f romt
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1;!-0, izfMCTOR TRIP fiAFMTY INJLCTIO?l, AflD DIAGNOUIS, Step 12, when j"
minirnum AIV flow is not verifled.
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rn-0. 3, !! EAT filtiK cr i t ical finf e ty Funct ion f;tatus Tran, in response
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t o n it! D c otull t l on.
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f.LO,1, ; FACTOR T)1 I P lii ';l DNT E, Step 2, jf AiV flow cannot be verifled.
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,~. ATTACHMENT;.
l]ff d'M f k' RESPONSE TO LOSS OF SECONDARY HEAT SINK PAGE 8 0F'9-j q
- 31
Step Action / Expected Response.
Response NotiObtained
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CAUTION g?
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- to operator action, this proceduro g
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g* ** ** ** ** ** ** ** ** ** ** ** ** *g jgsj f,e.j-CAUTION
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- PZR pressure > 2,335 psig due to loss ;
g of secondary heat sink, RCPs should
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{pl-l should be inurediately initiated for Kb y:
l bleed and feed.
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- i CAUTION g
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3 Tced flow should not be estnblished l
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i' to any faulted S/C if an intact S./G p,
is avnllable.
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Check.IL Letendary_lical Link.Is M
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DCS prennura - ) ANY INTACT n.
Go t o EI-1, LOSS OF RfACTOR j
Cr.Ntr ATOR 1 hrMt'U E OR SECONDARY C001 ANT, Step 1.
b.
RCS tat;crnture - > J%0*l b.
Try to pince IllIR system in nervice per 01-4-1, riesidual
!!ca t itemoval, while continuing with thin I
procedure.
If adequate cooling wi t h it!!R f a entnblished, TilEN return to thn procedure nnd step in ti(cct.
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ATTACHFIENT
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RESPONSE TO LOSS OF SECONDARY HEAT SINX ' ' PACE 9 of 9 x-a.
3 Step Action / Expected Response Kasponse liot Obtaland g@RlQ p. M6 K (cp 31 i y.R$y' p,,
NOTE
[.,,f.Q:ihgj g l Refer to ONI-55, Operation of Electric
% gg e i AFP Supplied by EDO, for the steps necessary to start the electric ATP
. hs. b Nk, on an EDG if offsite power is not I
available 2
Irl.la htablir.h AFU1ny, to_at jSgj/;
Lena L.Onc._SIG i pWilji Check control room indications
[' J(;f for cause of AIV failure a.
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- CST level
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- Turbine AIN pump s tetuo Q,jf,;',
supplies stop velve, trip and throttle valvo p${f[~
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- Diesel AFV pump fuel oil fh 7; ;
supply c.
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- AIV oystem valve aligntrent.
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Try to restore AIV flows b.
Start the electric AfV pump.
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- Start the diesel AIV putrp Q
- Start the turbir,e AIV peu;>
c.
( ht t k total flow to S/C -
> 7 0 y;a Dlspatch operator to locally c.
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a l i g n:r cn t s, Co to Step 3, rrstore A}V pumps and valve 2.: : 9:
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l' e t u r n to pr ot e.do s in} s t. p g
in effc:t j[]
3 Stup All.ECis E i I '.
6 li C!,t c h CCI'. S t a t us - AT I FAST c'm cu to Step 10.
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