ML19253C741

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Submits Potential Significant Deficiency Rept Re Partially Exposed Wire in Areas of Insulation Splice in Control Cable Bundle.Faulty Splice Removed & Cable Properly Terminated
ML19253C741
Person / Time
Site: North Anna Dominion icon.png
Issue date: 10/26/1979
From: Stallings C
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-79-162-000 881, NUDOCS 7912120059
Download: ML19253C741 (2)


Text

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'f9 - J h Q - 0 0 0 Mr. James P. O'Reilly, Director Serial No. 881 Office of Inspection and Enforcement P0/FHT:scj U. S. Nuclear Regulatory Commission Docket No. 50-338 Region II License No. NPF-4 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

Under the provisions of 10CFR21, NRC Region II was notified on October 23, 1979, that a potential significant deficiency or substantial safety hazard existed at North Anna Power Station, Unit 1.

In accordance with the reporting requirements of the above regulations, the following information is submitted:

A. Name and address of reporting individual:

C. M. Stallings Virginia Electric and Power Company P. O. Box 26666 Richmond, Virginia 23261 B. Facility, activity and/or component affected: Control cable being in-stalled on a design change for degraded grid voltage, North Anna Power Station Unit No. 1.

C. Mame of firm supplying the component, activity or service: Cerro/Rockbestos Corporation, Nicoll & Canner Street, New Haven, Connecticut 06504.

D. Description of defect, deficiency, or failure to comply: A partially ex-posed wire was discovered in the area of an insulation splice, in a con-trol cable bundle (IENSU0C077) of twelve wires of size #14 AWG (NJK45-14).

E. Date of determination of reportability: 10/22/79.

F. Similar components, activities, or services: no safety-related systems.

G. Corrective action which has been, is being, or will be taken, the individu-al responsible and the length of time to complete the action: The faulty splice was removed and the cable was properly terminated.

H. Other information: All like cabic (spools 3187-150, 3187-151 and 3187-153) has been returned to the manufacturer for examination to determine if this is a generic problem.

1537 106 voici soc ra

Vinoixta ELECTalC AND Powra COMPANY TO Mr. James P. O'Reilly 2 Any additional information regarding the above topic will be submitted as a follow-up report.

Should you require further information, please contact this office.

Very truly yours,

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C. M. Stallings Vice President-Power Supply and Production Operations cc: Director, Office of Inspection and Enforcement 1537 107