ML20024B415
| ML20024B415 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/09/1979 |
| From: | BABCOCK & WILCOX CO. |
| To: | |
| Shared Package | |
| ML20024B411 | List: |
| References | |
| TASK-*, TASK-GB GPU-2502, PROC-790509, NUDOCS 8307080675 | |
| Download: ML20024B415 (13) | |
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PART II - GE?ATI?:S GUTCEL!P;ES FUR SMALL -.UXS 0 71 y
C'm 7Q I.0 SYF?TC"5 A'O I?OICATIO5 (I'O'IDI ATE INUICATICi:5)
Y.-
1.1 EIGSSIYE FIACTOR COCLAT SYSTEM (RCS) MAKEP*
r 1.2 DECREASI!;3 RCS PRESSURE 1
1.3 REACTOR TRIP 1.4 DECREASII:3 PPISSURIZER LEVEL *
]p-1.5 ESTAS ACTUATION
- 1.5 LCW PAXIUP TA!;K LEVEL
- g t
t
- May not occ::r on all s=all breaks.
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2.0 IP:'EDIATE ACTitr:S l
2.1 VERIFY C=; TROL R~C'. ICICATIONS,S"3?CRT TIE ALARTS RECEIVED.
-WIFY AUTCYATIC ACTIC*iS, AND CARRY CUT SU CARD FCST-TRIP
-ACTIONS.
t.
-2.7 7,ALANC RIC4-722SS':oI i J5CTION (HPI) FLGI SITaEEN ALL INJECTICI J
~1'INES iC~.i.N H?! IS IRITIAT,ED.
~
2.3 YERIFY THAT APPRCPR* ATE C' ICE-THROUI4 STTA CNERATOR (OTSG) 5'
' LEVEL IS PAI!i AINED SY FEEU.;ATER C=;TRCL (LIJ LEVEL LIMIT WITH RCS FLO'. EXER';ENCT LEVEL WITHCUT RCS FLGQ.
J 2.4 KNITOR STSTEw. PRISSU?I A ;3 TEMPERAil;RE. IF 3ATUTATED CONDITICMS i
VCCUR, IHITIATE HPI.
p 3.0 PRECAUTICNS t
3.1 IF THE HPI SYSTEw HAS ACTUATED EECAUSE (F LCW PRESSU*n"s~. CCMDITION, IT MUST REPAIN IN C?ERATICM UNTIL ONE OF T1E FOLL7 DING CRITERIA IS SATISFIED:
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THE LPI
'5 TEM IS IN 0?ERATION RO FLC'.*1" AT A GTE IN EACESS q.9 0F 1000 GPM IN EACH LI!!E #10 TE SITUATIC:( HAS BEEN 3 TABLE FCR 3(@
20 MIhviES.
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ALL HOT #i3 CCLD LEG TD7ERATU?.E5 AE AT LEAST 50 SELCW TE
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SATURATICH TEMPEPATURE FOR TE EXISTING RCS PE55URE, TE HUT tEG TExPERAtuRES ARE Nc7 reRE THEi sa* HanER THAN TE SECecm SIE SAWRATIO ( TEMPERATURE, MG TE A:"TICN IS ECESSARY TD e
-PREVENT THE INDICATED PRE 55URIZER LEVEL FRCM GDIfiG OFF-SCALE 8
HIGH. IF 50 5U3CCCLIf;3 CK;;iOT BE MINTAIED. THE HPI SHALL 8
~ BE EACTIVATED. THE DEGEE OF SLSCCOLING BEYO C 50 AN3 TE LENGTH OF TIME HPI IS IN OPERATIOi SHALL BE LIMITO SY THE f
PRES 5*aE/ TEM?IPATURE CC'ISIDERATIC IS FCR TE YESSEL IhTEGRITT.
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~~.;e-3.2 PRE 55URIZER LEVEL PAY BE INCREAS,ING CUE TO RCS WING SATURATED 1
L
--CDiDITICIS OR A SPiAK Gi TCP tF THE PE55UtIIER.
.3.3 IF HIGH ACTIVITT IS CETEG IN A STEAM GENERATUR, ISCLATE THE F
c.
LEAKING GENERATCR. IT IS RECCMP:.NDED THAT SCTH STEAM GENERATORS Jt3T BE ISCLATED.
3.4 GTHER IPCICATIC'iS W.!CH C.tN COiFIRM TE EIISTENE OF A LDCA:
L 3.4.1 RC DRAIN TN:X (QUENCH TRIK) PRES 5URE (PAY RUP1URE DISK).
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3.4.2 INCREASING EACTCR BUILDING SUMP LEVEL.
[c 3.4.3 INCEASING REACTCR EUILDING TEWETATURE.
l
'3.4.4 INCREASING REACTCR BUILDING FRESTRE.
F 3.4.5 INCREASIiG RAC!ATION MOiITOR ~r~.ACINGS INSIE CONTAINMENT.
3.4.6 REACTCR CCCLANT STSTIM TE.9ERATUE SECOtING SATURATED I
RELATIVE TO THE RCS PRESSURE.
3.4.7 HOT LEG TEMPERATURE EQUALS OR EICEICS PE55URIIER TEMPERATURE.
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TANK, NiD I?iITIATICri 0F LPI FLC'd FR21 THE REACTUR BUILDING SUMP 4.,
TO THE HP.I PU:95 WOULD BE REQU!FID.
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E' O Y
TO CCiFIPd KEY PARRETER EADIts35 (I.E., SIM TEMPERATURES,
- 7..
PESSURES NID PESSU. IZER LEVEL).
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.g 3.7 MIhTAI!! A TE!?ERATUPI VIP. SUS TIME PLOT N:3 A CORESPCIDING t
TEMPERATUPI - PESSURE PLGT C*i A SATURATIG2 DIASRAM. THESE F
PLUTS WILL PAXE IT,PCSSIBLE TO TRACK THE PL/JIT'S CCIDITICI THROUGH PLMIT C00LD7dN. PRIraR TEMPERATIEE #iD PESSUE WILL DECREASE ALCiG THE SATURATIci CURVE UhTIL SUSCYJLED C3iDITICNS ARE ESTA3LISHED. THIS VILL SE IfiDICATED ST PRIPARY SYSTEM PFISSUPI L
ND LCl3ER FOLLOWING TE SATURATICi CURVE, AS PRIP.ARY ' SYSTEM k
TEMPERATUE DECFIASES. WIN WIS CCC;RS, FIITARY SYSTEM i
. PRESSUPI S'400*.D BE CCi3DLLED.EY A* JSTING EPI P CW, TO MAINTAIN J
sc h SUsCootIns.
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STAU SECOsD HPI TRAIN IF POSSIELE. BALMICE HPI FLC' 5.
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-HAVE ACTUATED AS NET.CED, AND BALA2:E LPI.
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RESPCISE TO SECCiCARY SICE PRESSURE g
ECREASEA$3REACTCRSYSTEMEECCMES
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SGC00 LED. CHECI TO SEE THAT THE ga J
e FOLLc4ING CC'CITICns AE BOTH 7-..
SATISFIED-(
A) ' ALL H3T AND COLD LEG TD'JERATUES ARE BELO*4 TE SATURATIGi TEMPERA-5 L
TURE FOR TFI EXISTING RCS PRESSFnE.
i; AND B) RCS HOT LES TEMPERATURES ARE NOT
[p PGlE THAN 50% HOTTER THMi THE
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STEAM GENERATOR SECCIDARY SIDE r.
~
h-SATURATICI TEMPERATURE..
rr.
IF THESE CC*i3ITIC'iS ARE SATISFIED rid 5
4 REFAIN SATISFIED, CCITINUE COOLDC'aN TO.
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MUTE: IF THE C3tDITIctS A50VE ARE MET AT 7
SELC4 700 PSIG, THE CORE FLOOD TANXS
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n SHOULD SE ISOLATED.
E P
MOTE: IF THE PRIMARY SYSTEM IS 50%
ib
.SUICOCLED IN BOTH HOT AND COLD.
f, I
LEGS AND FRIMARY SYSTEM PRESSURE IS i
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ASC'.7. 250 PSIG, STARTING A REACTOR i
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IS GREATER TPAt 250 PSIG, SUMP A PLHP.'
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4.3.4.5 IF FORED FLC2 IS ESTASLISEED. GO TO STEP 4.3.3.
f 4.3.4.6 IF A REACTOR C00 TRIT PL"9 C#i'iOT BE OPERATED MD REACTOR COOLANT SYSTEM PRESSURE REACHES 2300 PSIG, t
OPEN PRESSURIEER PORY TD REDU2 REACTOR COOLRIT SYSTEM PRESSURE. RECLCSE PORY llHEN RCS, PRESSURE FALLS TO 100 PSI A50VE Tr'I SECONOARY PRESSURE.
L 1
REPEAT IF NECESSARY. IF PCRY IS NOT OPERASLE.
c PPISSU IEER SATETY VALVES VILL RELIEYE OVERPRESSURE.
I 4 3.4.7 PAIiTAIN R* P.'IISURE AS INDICATED IN 4.3.4.6 IF j-
~ PRESSURE INC7IAS!S.' PAINTAIN TrilS COOLING F.03 P
1.hTIL Mi RC PUMP IS STARTED OR STEAM GE?tERATOR COOLING IS ESTASLISHED AS INDICATED SY ESTASLISHING CONDITIONS ZSCRISED IN 4.3.4.3.1 OR 4.3.4.3.2.
I WHEN THIS OCCURS, PROCEED AS DIRECTED IN THOSE g
JTEPS. GO TO STEP 4.3.2 IF FORCED FLOW IS'ESTAELISHED~.
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