ML20151F332

Interim Significant Deficiency Rept 219-2 Re Discrepancies in Pgcc Wiring.Approx 130 Addl Minor Errors Out of 10,000 Terminations Discovered During Reinsp.Final Rept Will Be Submitted by 880815

ML20151F332
Person / Time
Site:	Limerick
Issue date:	07/08/1988
From:	Kemper J PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Russell W NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
SDAR-219-2, NUDOCS 8807270035
Download: ML20151F332 (2)

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w PHILADELPHIA ELECTRIC COMPANY 2301 MARKET STREET

- P.O. BOX 8699 PHILADELPHIA, PA.19101 1215)841 4 5o o samon v' nun's'sfo'sN'"nuctsan JUL 81988 Mr. W. T. Russell, Ackninistrator U.S. Nuclear Regulatory Conmission, Region 1 Attn:

Docurent Control Desk Washington, DC 20555 Cubject: Significant Deficiency Report No. 219-2 Interim Report for Discreparcles in PGCC Wiring Lin.arick Generating Station - Unit 12 NRC Construction Permit No. CPPR-107

Reference:

1.) Letter from S.J. Kcwalski to W. T. Russell (NRC), dated 12/31/87, semo sublect File: QUAL 2-10-2 (SDR 6219-2)

Dear Sir:

This letter is an update to our interim report, Ref. 1, on the subject deficiency that was forwarded in accordance with 10CTR Part 50.55Ce) requirements.

The Interim report on discrepancies In PGCC wiring at Limerick Unit #2 stated that after the Inspection of all GE PGCC panels was empleted, a final review of the issued FDDR's would be performed to determine the overall safety irrolication. We stated that this analysis would be perionred by 6/01/88.

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Per confirmation letter from the Architect / Engineer, dated 5/31/88, PECo was Informed thct the original analysis was ccrrplete and that the wiring ~ discrepancies did not cause an adverse safety irrplication for LGS Unit #2.

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- ' *., A As part of the PECO review of the wor'k of our contractors, we reinspected a strnple of the panels. We found 130 additional minor errors out of'10,000 tenninations in the reinspection.

Since the errors only involved labels and did not involve wiring errors, our preliminary review. Indicates no safety significance.- FDCA's are being 1

issued to correct these additional errors. The errors are expected to be corrected by 8/1/88 and the_ formal review of safety significance-i Is scheduled to be coneleted by 8/15/88.

A final report to the NRC wlll-be sent by 9/15/88.

Sincerely,.

bVUf JPM/GHR/06028801 Copy to:

W. T. Russell, Administrator l

United States Nuclear Regulatory Conmission i

Region 1 631 Pe.rk Avenue King of Prussia, PA 19406 R. A. Granm, Senior Resident inspector Limerick Generating Station, Unit 92 U.S. Nuclear Regulatory Conmission I-Sanatoga, PA 19464 i

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