ML18347A846

License Event Report 1980-027-00 Re Gaseous Release, Extended Due Date of Reporting by Region III on 8/26/1980

ML18347A846
Person / Time
Site:	Palisades
Issue date:	08/27/1980
From:	Hoffman D Consumers Power Co
To:	James Keppler NRC/RGN-III
References
LER 1980-027-00
Download: ML18347A846 (2)

Text

consumers Power company General Offices: 212 We91: Michigan Avenue, Jackson, Michigan 49201 * (517) 788-0650 August 27, 1980 Mr James G Keppler Office of Inspection and Enforcement Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT REPORT 80-027 - GASEOUS RELEASE On the reverse side is Licensee Event Report 80-027 which is reportable under Technical Specification 6.9.2.A.2. An extension of the due date of this Licensee Event Report was obtained during a phone conversation on August 26, 1980, between Mr D C Boyd (Region III) and Mr S R Frost (Consumers Power Company).

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David P Hoffman Nuclear Licensing Administrator A~11 AUG 2 9 i98()

NRC FORM366 17*771 LICENSEE EVENT REPORT

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60 61 DOCKET NUMBER . 68 119 EVENT DATE 74 76 REPORT DATE 110 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES {,O) * *

[!II) I During venting of the quench tank to the waste gas surge tank, an

[Q]!] I unplanned gaseous release occurred w/o 15 day minimum holdup required by

[))!]I TS 3.9.17. Release represented approx: 11 percent of average annual

[)))) I release rate limit of TS 3.9.12. Event reportable per TS 6.9.~.A2.

[)))) I Venting of quench tank was stopped upon receipt of stack monitor alarm.

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. DJ)) I The closed isolation valve to waste gas compressor C-50B leaked, IIITl I permitting leakage from WGST to atmos. ( C-50B was disassembled for I

IIIIl I repairs). Disassembly of valve revealed pin holding diaphragm to operat-IIm I ing shaft was broken. Conditi on prevented diaphragm movement . Pin DJ:!) I was replaced.

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~ L!.J~I News release 8-13-80 I 69I I I I I I I I I I I I80I 7 8 II 10 68