ML18136A311

Responds to NRC 791123 Ltr Re Violation Noted in IE Insp Repts 50-280/79-63 & 50-281/79-83.Corrective Action: Design Change on Replacement Starting Contactors Completed

ML18136A311
Person / Time
Site:	Surry
Issue date:	12/19/1979
From:	Stallings C VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 7912260244
Download: ML18136A311 (2)

See also: IR 05000280/1979063

Text

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-* "-A~'-"' .. ~---:s *-----. **--_ I * I l NRC Comment : SURRY POWER STATION RESPONSE TO NOTICE OF VIOLATION

REPORTED IN INSPECTION

REPORT NOS. 50-280/79-63

AND 50-281/79-83

Attachment.

Page 1 *-* ... ,' As required by 10 CFR 50 Appendix B, Criterion

V which states in part that "Activities

affecting

quality shall be prescribed

in documented

instructions, procedures, or drawings, of a. type appropriate

to the circumstances

and shall be accomplished

in accordance

with these instructions, procedures, or drawings" and as implemented

by the Nuclear Power Station Quality Assurance

Manual (NPSQAM), Section 2 (QA Program), "Design Changes must be processed

and evaluated

using the procedures

of NPSQAM, Section 3. Contrary to the above, on September

21, 1979, a design change was made to the starting circuit of a Safety Class I emergency

diesel fire pump engine without a design change request being submitted

and evaluated (MR 5-0908210831).

This is an infraction.

Response:

The non-compliance

is correct as stated. 1.) Corrective

steps which have been taken and results achieved:

The starting circuit of the Emergency

Diesel Fire Pump was*proven

operable by performing

PT-24. 1. A Design Change has been completed

on the replacement

starting contactors.

The Design Change concluded

the _ replacement

of the #118848 magnetic switch with the Cummins recommended

1. 199573 D.C. relay results in an improved starting circuit. 2.) Corrective

steps which will be taken to avoid further non-compliance:

Futnre changes to safety-related

systems will be accomplished

by design change in accordance

with NPSQAM, Section 3, 3.) Date when full compliance

will be achieved:

Full compliance

has been achieved.

I