05000255/LER-1980-001-01, /01T-0:on 800109,pipe & Pipe Support Stress Analyses Per IE Bulletin 79-14 Identified Lines Not Meeting FSAR Criteria for SSE or Obe.Apparently Caused by Differences in Design Documents & as-built Conditions

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/01T-0:on 800109,pipe & Pipe Support Stress Analyses Per IE Bulletin 79-14 Identified Lines Not Meeting FSAR Criteria for SSE or Obe.Apparently Caused by Differences in Design Documents & as-built Conditions
ML18044A464
Person / Time
Site: Palisades 
Issue date: 01/25/1980
From:
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18044A463 List:
References
IEB-79-14, LER-80-001-01T, LER-80-1-1T, NUDOCS 8001290416
Download: ML18044A464 (1)


LER-1980-001, /01T-0:on 800109,pipe & Pipe Support Stress Analyses Per IE Bulletin 79-14 Identified Lines Not Meeting FSAR Criteria for SSE or Obe.Apparently Caused by Differences in Design Documents & as-built Conditions
Event date:
Report date:
2551980001R01 - NRC Website

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NRC FORM 3.36 (7-77)

U.S. NUCLEAR REGULA\\ORY COMM!SS!ON LICENSEE EVENT f':!EPORT CONTROL BLOCK: I I 0 1~~~~~~~~---,,6\\.:.J (PLEASE PAI NT OR TYPE ALL P.ECUIRED !NFORMATICNl [EJ2J I M ! I I Pl.A. I LI 7

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~~~~~~ 1110101 5101010121515101011101918101@1011121 518 lolG) 60 61 DOCKET NUMBER 58 c9 EVEN1DATE 74 75 REPDRTDATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES @

[III] I Pipe and p:i,pe support stress analyses performed as a result of IE Bulletip 79-14 have identified several lines which do not meet the Palisades FSAR CQ::EJ ITTIJ CIT§]

acceptance criteria for either the SSE or OBE.

Precise. descriptions of the affected lines will be provided in the forthcoming response to Bulletin 79-14.

For similar events, see LER 79-15 and 79-20.

Event CI:IZJ reportable per TS 6.9.2~A.9.

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(([§] l Cause appears to be primarily due to differences in design documents and IJJJ] 1 actual as-built conditions, and limitations in the state of the art related. to piping stress analysis during plant d~sigri..

Furtber det.ails rr:m related to the cause and corrective actions will be provided in the o:JI]

response to Bulletin 79-14.

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