05000335/LER-1979-031-01, /01T-0:on 790927,during Planned Shutdown,Qc Check of Installation of Safety Injection Tank Sample Lines Showed Four Raceway Clips Welded to Vessel Wall.Caused by Contractor

/01T-0:on 790927,during Planned Shutdown,Qc Check of Installation of Safety Injection Tank Sample Lines Showed Four Raceway Clips Welded to Vessel Wall.Caused by Contractor

ML17266A113
Person / Time
Site:	Saint Lucie
Issue date:	10/11/1979
From:	Schoppman M FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17207A611	List: 05000335/LER-1979-031, Forwards LER 79-031/01T-0 05000335/LER-1979-031-01, /01T-0:on 790927,during Planned Shutdown,Qc Check of Installation of Safety Injection Tank Sample Lines Showed Four Raceway Clips Welded to Vessel Wall.Caused by Contractor
References
LER-79-031-01T, LER-79-31-1T, NUDOCS 7912040444
Download: ML17266A113 (2)

LER-1979-031, /01T-0:on 790927,during Planned Shutdown,Qc Check of Installation of Safety Injection Tank Sample Lines Showed Four Raceway Clips Welded to Vessel Wall.Caused by Contractor

Event date:
Report date:
3351979031R01 - NRC Website

text

NRC FORM P 77 I LICENSEE EVENT REPORT U S NUCI.KAR REGULATORY~MISSION 2

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ilEPORT DATE 60 EVENT OESCRIPTION ANOPROS ABI 0 CONSeQUENCES QIO While shutdown during a planned pl'ant outage, a

gC verification check of

~03 the instal 1 ation of new Safety Injection Tank sample 1 ines showed that four racewa cl i s had been welded to the contai nment vessel wall.

The cl i. s 9

were 1 2" x 2" i n size and rovided su ort to the 3 8" sam 1 e 1 i ne.

The cl ips were installed during the 1 979 refuel ing outage, and thei r location

~DT noted after corn 1 etion of the modificati on.

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~oa r emai ned intact.

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CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS Q22 0

The

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contractor ersonne 1..

The were -removed from the contai nment vessel wall b rindi n and h v been re-i nstal 1 ed in a proper 1 ocati on.

The wall area i n uesti on was heat-treated and 'then non-destructi vel tested PT to verif wal 1 1

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. (305 552-3802 NAME oF PREPAR R

M. A. Scho man inteqri t and to assure that no further action was re ui red.

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