05000272/LER-1979-035-01, /01X-1 on 790405:during Cold Shutdown,W/Fire Pump 1 Out of Svc,Fire Pump 2 Did Not Start When Header Pressure Dropped to 75 Lb Psi.Pump Started Manually.Caused by Weak Cell in a & B Batteries

/01X-1 on 790405:during Cold Shutdown,W/Fire Pump 1 Out of Svc,Fire Pump 2 Did Not Start When Header Pressure Dropped to 75 Lb Psi.Pump Started Manually.Caused by Weak Cell in a & B Batteries

ML18079A375
Person / Time
Site:	Salem
Issue date:	06/01/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18079A373	List: 05000272/LER-1979-035, Forwards LER 79-035/01X-1 05000272/LER-1979-035-01, /01X-1 on 790405:during Cold Shutdown,W/Fire Pump 1 Out of Svc,Fire Pump 2 Did Not Start When Header Pressure Dropped to 75 Lb Psi.Pump Started Manually.Caused by Weak Cell in a & B Batteries
References
LER-79-035-01X, LER-79-35-1X, NUDOCS 7906050304
Download: ML18079A375 (1)

LER-1979-035, /01X-1 on 790405:during Cold Shutdown,W/Fire Pump 1 Out of Svc,Fire Pump 2 Did Not Start When Header Pressure Dropped to 75 Lb Psi.Pump Started Manually.Caused by Weak Cell in a & B Batteries

Event date:
Report date:
2721979035R01 - NRC Website

text

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NR~ FORM 366 (7*771 UPDATE REPORT - avrous REPORT DATE 4il9/79.J.~

NUCLEAR REGULATURY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK:* !-I _.._~

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

[ilIJ I N IJ I s I G I s I 1 101 0 I 7

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LICENSEE CODE 14 15 o I - I o Io I o I o I o I - I o I o 101 4 I 1 I 1 11 I 1 101 I I© L.ICENSE NUMBER 25 26 L.ICElllSE TYPE JO 57 CAT 58 CON'T [9.IiJ 7

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~~~ L1J© I o I s I o I o I o I 2 I 1 I 2 10)1 o I 4 I o I s I 1 I 9 KV I o I 6 I o I l I 1 I 9 I G) 60 61 DOCKET NUMBER 68 69 EVENT CATE 74 75 REPORT CATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES @

[I]1J I During cold shutdown operations, with No. 1 fire pump out of service for planned maintenance,_ No. 2 fire pump did not automatically start when header pressure dropped to 75 psig.

An overhead annunciator in control room alarmed at 65 psig and an operator was sent to the fire pump house to investigate.

The operator initiated a manual start and returned system pressure to normal.

T/S 3-7.10.1 Action b was

[§J2J 1 initiated at 1130 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.29965e-4 months <br /> and was terminated at 1855 hours0.0215 days <br />0.515 hours <br />0.00307 weeks <br />7.058275e-4 months <br /> when the auto start logic

((II] I was tested satisfactorily.

This is the first occurrence of this type.

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SYSTEM cooE IA IB I@

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L.ER'ROc-VENTYEJ'.R

'0 REPORT I 7 I 9 I NUMBER 21 22

CAUSE

CAUSE cooe SUSCOOE COMPONENT CODE W W@ I BIA! TIT I RIY I@

11 12 13 SEQUENTIAL.

REPORT NO.

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26 18 OCCURRENCE CODE 1,...-1 Io 11 I 27 28 29

COMP, suacODE

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19 REPORT TYPE LI 30 VAL.VE suacoDE w@

20 31 REVISION NC. w 32 80 ACTION FUTURE EFFECT SHUTDOWN T.:>.KEN ACTION ON PL.ANT METHOD HOURS ~ ATTACHMENT

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SUPPLIER COMPONENT MANUFACTURER lLl@LLl@ W@ L.!1 I o I o I o 33 34 35 36 37 I 01 l.EJ@

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

42 43 IJJ]J I A weak cell in both A and B batteries has been the only identified cause of this occurrence.

The entire.starting and charging circuitry and components were tested o:J]J I and found to be operating satisfactory.

New batteries were installed and have [JJ]J I provided satisfactory operation.

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% POWER OTHER STATUS ITTIJ l&J@ I 0 I 0 I 0 1@1 i.... ---'N:.:.:./...:.;A:;,__ _

1 a 9 10 12 n

44 ACTIVITY CONTENT Q\\

RELEASED OF REL.EASE AMOUNT OF ACTIVITY

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10 11 44 METHOD OF DISCOVERY DESCRIPTION @

OISCOVERY W@I Alarm 45 46 LOCATION OF REL.EASE @

N/A 45 47 ao 80 ao PERSONNEL. EXPOSURES Q..

NUMBER

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NUMBER DESCRIPTION~

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TYPE OESCRIPTION l::.::J

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