05000255/LER-1980-027-01, During Venting of Quench Tank to Waste Gas Surge Tank,Gaseous Release Occurred W/O 15 Day Min Holdup.Caused by Leaking Isolation Valve & Valve Pin Disassembly.Pin Replaced

During Venting of Quench Tank to Waste Gas Surge Tank,Gaseous Release Occurred W/O 15 Day Min Holdup.Caused by Leaking Isolation Valve & Valve Pin Disassembly.Pin Replaced

ML18045A637
Person / Time
Site:	Palisades
Issue date:	09/17/1980
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18045A636	List: 05000255/LER-1980-027, Forwards Updated LER 80-027/01X-1 05000255/LER-1980-027-01, During Venting of Quench Tank to Waste Gas Surge Tank,Gaseous Release Occurred W/O 15 Day Min Holdup.Caused by Leaking Isolation Valve & Valve Pin Disassembly.Pin Replaced
References
LER-80-027-01X, LER-80-27-1X, NUDOCS 8009230618
Download: ML18045A637 (1)

LER-1980-027, During Venting of Quench Tank to Waste Gas Surge Tank,Gaseous Release Occurred W/O 15 Day Min Holdup.Caused by Leaking Isolation Valve & Valve Pin Disassembly.Pin Replaced

Event date:
Report date:
2551980027R01 - NRC Website

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~DATE REPORT - PREVIOUS REPORT DATE AU~UST 12, 1980 PALISADES PLANT NRC FORM 366.

17-nl U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I 10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION!

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EVENT DESCRIPTION

ANO PROBABLE CONSEQUENCES@

[]JJJ I During venting of the quench tank to the waste gas surge tank, an

[§))] 1 implenned gaseous release occurred w/o 15 day minimum holdup required by [TI!) I TS 3. 9.1 7.

Release represented approx. 11 percent of release rate li!!P. t

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[))IJ 1 of TS 3.9.12.

Event reportable per TS 6.9.2A2.

Venting of quench tank

[]JI] I was stopPed upon receipt of stack monitor ala.rm.

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CAUSE

CAUSE COMP.

VALVE CODE SUBCDDE COMPONENT CODE SUBCODE SUBCODE L!.J@ w@ IV I Al LI v IE IX 1e U2.I U2J@

11 12 13 18.

19 20 SEOUENTIAL OCCURRENCE REPORT

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22 23 24 26 27 211 29 30 31 REVISION NO.

IJJ 32 80 ACTION FUTURE EFFECT SHUTDOWN t:::::..

ATTACHMENT.

NPRD4 PRIME C:OMP.

TAKEN ACTION ON PLANT' METHO.D HOURS ~ SUBMITTED.

FORM :>UB..

SUPPLIER.

COMPONENT.

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MANUFACTURER 33

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CAUSE DESCRIPTION ANO CORREC"rlVE ACTIONS @

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~7 IJI[J I The closed isolation valve t-o *waste gas compressor c..;.50B leaked,"

IJ]J] I petmittjn g J ea.kage from WG!JT to atmns [IlIJ ! repairs).

Disassembly of valve revealed pin holding diaphragm to o:m I operating shaft yas broken I Con dj tj on ;prevented di 6'1h rao movement I [II!).! Pin was replaced.

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METHOD OF

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STATUS

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DISCOVERY DISCOVERY DESCRIPTION ~

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RELEASED OF RELEASE.

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9 11 12 80 LOSS O~ OR DAMAGE TO FACILITY f43\\

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1SSUEOt,;:;\\ DESCRIPTION~

ITTIJ L!J~I News release B-13-80

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