ML19344D420

Interim Deficiency Rept Re Overstressed Pipes,Pipe Supports & Equipment Nozzles Identified During Weight Verification Program Required by IE Bulletin 79-14.Caused by Changes in Valve & Operator Weights.Oversize Chart Encl

ML19344D420
Person / Time
Site:	North Anna
Issue date:	03/04/1980
From:	Brown S VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
References
REF-PT21-80-201-000 IEB-79-14, NUDOCS 8003120349
Download: ML19344D420 (5)

Text

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). 8 VIRGINI A ELECTRIC AND POWER COMP ANY, RICHMOND, VIRGINI A 23261 March 4, 1980 p.

t Mr. James P. O'Reilly, Director Serial No. 183

( Office of Inspection and Enforcement PSE&C/CGC:adw: wang U. S. Nuclear Regulatory Commission Region II Docket No. 50-339 101 Marietta Street, Suite 310 Atlanta, Georgia 30303

Dear Mr. O'Reilly:

On February 7, 1980 a report was made under the provisions of 10CFR50.55(e) concerning nonconformances identified during our review of I.E.Bulletin 79-14. On February 21 an' February 28 supplemental reports, identified herein as supplements 1 and 2, respectively, were made on additional nonconformances under the provisions of 10CFR50.55(e). The items identified in the original 10CFR50.55(e) report were judged as not requiring reporting under 10CFR21; however, the items in supplements 1 and 2 were reported under 10CFR21 on February 28, 1980.

In accordance with the reporting requirements of 10CFR21, the following information is submitted:

A. .Name and address of reporting individual:

Mr. E. A. Baum, Executive Manager Licensing and Quality Assurance Virginia Electric and Power Company P. O. Box 26666 Richmond, Virginia 23261

8. Facility, activity, and/or component affected:

North Anna Unit 2 Safety Related Piping C. Name of firm constructing the facility or supplying the component, activity, or service: ,

Stone & Webster Engineering Corporation P. O. r,ox 2325 Boston, Massachusetts 02107 D. Description of defect, deficiency, or failure to comply:

In our valve and operator weight verification program required by I.E.Bulletin 79-14, we have identified nonconformances in the form of overstressed p1;ms, pipe supports, and equipment nozzles .

resulting from charjes in valve and operator weights. The attached Table I provides t'ie details of each nonconformance; the nonconformances are grouped by MSK (an MSX is an isometric piping drawing).

8003120'341

Mr. Jam:s P. O'Reilly 2

y. E. Date of determination of reportability:

, February 28, 1980

' ' ~

F. Similar components, activitie's, or services:

North Anna Unit 1 is included in our valve and operator weight verification program. Nonconformances identified on Unit I have been reported as Licensee Event Reports.

, G. Corrective action which has been, is being or will be taken, the individual responsible and the length of time to complete the action:

See Table I.

H. Other information:

None Any information not available at this time will be submitted in a follow-up letter as a 30-day 10CFR50.55(e) report; Table I will be updated as necessary and re-submitted in that report.

Should you require further information, please contact this office.

Very truly yours, Y

Sam C. Brown, H-r.

Senior Vice President Power Station Engineering and Construction Attachments

~

pc Director, Office of Inspection andEnforcement(3)

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