ML19351E528

Part 21 Rept Re Inoperable Prototype Valve,Reported on 801015.Procurement Controls Are in Place to Prevent Fabrication of Plant Valves Prior to Design Verification. Evaluation Determined Malfunction Nonreportable

ML19351E528
Person / Time
Site:	Clinch River
Issue date:	11/14/1980
From:	Mcdermott R EMVROCIA
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
REF-PT21-80-296-001 80ESG10866, NUDOCS 8012100408
Download: ML19351E528 (3)

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. Canoga Park. Califemia 91304 Intefriah.Onal Telephone; (213) 341 1000 TWX: 91o-494-1237 ESG CN PK Telex: 181017

. g ESG CNPK A November 14, 1980 In reply refer to 80ESG10866 Director, Office of Inspe-nn and Enforcement United States Nuclear Regulatory Commission Washington, DC 20555

Reference:

Energy Technology Engineering Center Letter 80ETEC-DRF-44766, dated 0:tober 15, 1980,

Subject:

Potential 10CFR21 Defect or Deviation Gentlemen:

Subject:

Functional Inoperability of a Prototype 4 In. Sodium Valve for CRBRP After Seismic Design. Verification Testing The referenced letter, a copy of which was sent to your office, in-formed Atomics International of the inoperability of a prototype valve undergoing design verification testing at the Energy Technology Engineering Center of the US Department of Energy. The valve in question had been procured by Atomics International from the William Powell Company of Cincinnati, Ohio, an: subsequently transferred to ETEC for testing.

This letter is to inform you that Ator.ics International has evaluated this valve malfunction relative to 10CFR21 reporting criteria, and has determined it to be nonreportable. The basis of this decision was the prototypic nature of the valve, in which any problem encount-ered during design verification testing would be corrected in valves intended for use in the CRBRP. Procurement controls are in place to prevent fabrication of plant valves prior to verification of the acceptability of the design.

Details of this problem will be available in the final Unusual Occur-rence Report to be issued by ETEC as UOR ETEC-80-19-GENL-80-02 upon completion of failure analysis.

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Director, Office of Inspection and Enforcement Page 2 US Nuclear Regulatory Cornission November 14, 1980 Washington, DC 80ESG10866 If you have an Nagel at (213)y341-1000, questionsExtension on this subject, 1964. please contact Mr. W. E.

Very truly yours, 07/

R. J. ftDermott Director Quality Assurance cc Mr. A. Horn US Nuclear Regulatory Commission 1990 No. California Blvd, Suite 202 Walnut Creek, California 94696 Mr. R. Fenton Energy Technology Engineering Center PO Box 1449 Canoga Park, California 91304 Mr. D. Hunter US Nuclear Regulatory Commission 611 Ryan Drive, Suite 1000 Arlington, Texas -76012 i

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