ML19242A292

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RO 79-022/01X-0 on 790713:two Pipe Supports Did Not Meet Original SSE Design Specifications.Caused by Design Error. Plant Design Change Requests Prepared & Mods in Progress
ML19242A292
Person / Time
Site: Pilgrim
Issue date: 07/16/1979
From: Mathis C
BOSTON EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 7908010309
Download: ML19242A292 (1)


Text

lid, EOSTON EDISON COMPANY TELECOPY MESSAGE 0900 J"IY 14=1979/

To:

215_-337-5324 Date/ Time:

Telephone Nuiaber To: Director, Region I Proes: Pilgrim Nucl, car Power Station Office of lumpection aid w-tforcemenc RFD #1 Rocky Hill Road U. S.

Nuclear Regulatory Coswaimaion Plymouth, MA 02360 631 Park Aveaue King of Prussia, PA 19406 Subj ect :

PROMPT REPORTABLE OCCURRENCE Docket Number 50-293; License DPR-35 Assigned LER Number 79-022/OtX-0 Event

Description:

On July 13, 1979, whime continuing our evaulations of tse issisic

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re es t ra i n t s, it was discovered that two pipa supporta did not :me et the original design SSF. specifications.

Theve pipe supports are on the llPCI test line dowuntream of the test value aitd on the RHR crosstic.

Cause and Correct ive Actionj._ The cause of this everst was design error.

Plant design changes tequesta uere prep.ared and ciodi fications are in nrugreum to bring the supporta up to.t and a rda.

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% Thermal MW Facility Status:

c) Routine Startup g) Shutdown X

h) Mefueling d) Houtine Shutdown

1) Other e) Steady statu j) Not Applicaple t) toad Changtug A written tallow-up report will be sent within two weeks.

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Stedka Prepared by Charles J. Mathis NRC person notified

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Mail (2) copies to:

5iG 0;3 Director Of fice of Management Information and Program Control 7

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S. Nucteur Megu lato ry Coermiaulun h8 0.Y o p g' 4 Wadhingto.a.

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