05000362/LER-1982-007-03, /03L-0:on 821211,during Mode 5,review of Strip Chart Recordings of RCS Temps During Filling & Venting Operations on 821210 Indicated RCS Heatup Rate Exceeded. Caused by Inadequate Attention to Heatup Restrictions

/03L-0:on 821211,during Mode 5,review of Strip Chart Recordings of RCS Temps During Filling & Venting Operations on 821210 Indicated RCS Heatup Rate Exceeded. Caused by Inadequate Attention to Heatup Restrictions

ML20028D953
Person / Time
Site:	San Onofre
Issue date:	01/08/1983
From:	Ray H SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20028D952	List: 05000362/LER-1982-007, Forwards LER 82-007/03L-0.Detailed Event Analysis Submitted 05000362/LER-1982-007-03, /03L-0:on 821211,during Mode 5,review of Strip Chart Recordings of RCS Temps During Filling & Venting Operations on 821210 Indicated RCS Heatup Rate Exceeded. Caused by Inadequate Attention to Heatup Restrictions
References
LER-82-007-03L-02, LER-82-7-3L-2, NUDOCS 8301200120
Download: ML20028D953 (1)

LER-1982-007, /03L-0:on 821211,during Mode 5,review of Strip Chart Recordings of RCS Temps During Filling & Venting Operations on 821210 Indicated RCS Heatup Rate Exceeded. Caused by Inadequate Attention to Heatup Restrictions

Event date:
Report date:
3621982007R03 - NRC Website

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8 60 61 DOCKET NUV8ER 68 69 E VENT DATE 74 75 REPORT CATE DO EVENT DESCRIPTION AND FRoBABLE CONSEQUENCES h 10121 l While in Mode 5, a review of strip chart recordings of the RCS temperatures during i

io i3 i i filling and venting operations performed on December 11, 1982, indicated that the I

io i4 l l RCS heatup rate had been exceeded.

The requirements of the applicable LC0 3.4.8.1 l

indicated that the effects on structural integrity and the fracture toughness margin l io is j l were not compromised and normal plant operations could proceed without restriction.

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closely monitor the RCS vent and fill' operations and all operations involving RCS I

, 7 l l heatup and cooldown.

Th'is will be included in their monthly retraining session.

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