ML20085E501

LER ER-76-021:on 760627,containment Purge Supply Valve CV-1808 Failed to Open During Monthly Test.Valve Tagged Closed to Meet Containment Integrity Requirements.Cause Not Known.Failure Will Be Investigated

ML20085E501
Person / Time
Site:	Palisades
Issue date:	07/22/1976
From:	Bixel D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085E499	List: ML20085E501
References
LER-ER-76-021, LER-ER-76-21, NUDOCS 8308150144
Download: ML20085E501 (2)

Text

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UCENSEE EVENT A RT CONTROL 8tOCx:l l l l l l l casass meerr au assumso swonesaTman 1 8 (3 W uCEN.E Nu Ea "r% '"J T

h l Ml IlP l Al Ll114l l0 I O l-l0 l0 l 0 l 0l 0l-l0 l 0 l l hl 1l ll 1l 1l l 0l 3l 7 89 -

15 25 28 30 31 32 coCx(T NUM.ER EVENT DATE REPORT DATE O CONT I I I LOsouELLI 101 sl 01-1012l016 l sl 2I si l 7171 61 l 01712l217161 7 8 57 58 59 80 81 88 80 74 75 80 EVENT OESCRIPTON DE lThe containment purge supply valve (CV-1808) failed to open during the monthly test. l 7 89 80

@ lThis valve has been tagged closed to meet the requirements for containment integrity l 7 89 80

@E I(1.h(d) all automatic containment isolation valves are operable or are locked l 7 89 80

@ l closed). (ER-76-21) 80 l

7 89 E!! l l 7 89 m 80 C DE COMPONENT CODE VOL.TIDN SE l S I D l W 7 89 10 11 l VI Al LlV l El Xl 12 17 W43 44 l C l 5 l 817 l 47 l_N_j 48 CAUSE OESCRIPTION

@ l Unknown at the present time. The failure will be investigated during a plant outage l 7 89 80 E l of sufficient length such that repairs can be made without affecting plant l 7 89 80 M l availability. l

'sN  % POWER QTHER STATUS O 06COVERY DESCRpTON 7 8 W

9 l1l0l0l l 10 12 13 NA l 44 W

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48 NA 80 l

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9 NA l 44 l NA l 10 11 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCASTON DE I 01 01 d L2] I NA l 7 89 11 12 13 80

, PERSONNEL INJURIES NUMBER DESCRWTON E l 0l Ol .d l NA l 7 89 11 12 80 PROBABLE CONSEQUENCES 32 l None, valve failed in the closed position. l 7 89 80 LOSS OR OAMAGE TO FACIUTY l TYPE DESCR@ TON l @dl 7 89 10 NA 80 l

PUBUCITY 06 i NA l 7 89 80 AOO!TIONAL FACTORS

( DE l A revised renort will be issued after this valve has been returned to service. l v 7 89 80 is l l 7 89 80 9308150144 780810 PDR ADOCK 05000255 S PDR

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C0mp2ily General Omces 212 West Michigan Avenue. Jackson, Michigan 49201 e Area Code S17 788-0550 4

July 22, 1976 , -  %,

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Mr James G. Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 6013T DOCKET 50-255, LICENSE DPR-20

' PALISADES PLANT - ER-76-21 CONTAINMENT PURGE SUPPLY VALVE Attached is a reportable occurrence ahich relates to the Palisades Plant. This occurrence has been classified as a conlition leading to operation in a degraded mode permitted by a limiting condi',lon of operation.

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• David A. Bixel Assistant Nuclear Licensing Administrator l

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