ML17275A874

Interim Deficiency Rept Re Design Verification of Seismic Category I Quality Class I Heating,Ventilation & Air Conditioning Sys Hangers.Revised Contractor Procedures Have Been Approved

ML17275A874
Person / Time
Site:	Columbia
Issue date:	03/10/1981
From:	Matlock R WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:	Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
10CFR-050.55E, 10CFR-50.55E, G2-81-52, GO2-81-52, NUDOCS 8103170634
Download: ML17275A874 (6)

Text

REGULAT INFORMATION DISTRIBUTIO STEM (RIDS)

ACCESSION NBRg 8103170634 DOC OATEN'1/03/1-0 NOTARIZED: NO DOCKET' FACILt50 397 WPPSS Nuclear Projects Unit'i Washington Public

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Powe 05000397 AUTH, NAME AUTHOR AFFILIATION MATLOCKER~ G. Washington Public Power Supply System RECIP ~ NAME RECIPIENT AFFILIATION ENGELKENER'OH'egion Si San Franciscog Office of the Director SUBJECT; Inter im de'ficiency r ept r e design ver i fication of 'Seismic Category I>> Quality Glass I heatdngiventilation 8 air condit4oning, sys hangersiinitially -reported on 801215 ~

Revised contractor procedures have- been approved, DISTRIBUTION CODE; SOISS COPIES RECEIVED:LTR J:ENCL SIZE TITLE.: Construction Deficiency Rep'or t" (lOCI-R50,55E)

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Washington Public Power Supply System A JOINT OPERATING AGENCY.; ..

P.O. BOX 968 3000 GEO. WASHINGTON WAY RICHLAND,WASHINGTON 99352 PHONE (509) 372.5000 March 10, 1981 -- ..;

G02-81-52 Docket File 50-397 Nuclear Regulatory Commission Region V Suite 202, Walnut Creek Plaza

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1990 N. California Boulevard Walnut Creek, California 94596 9 U, ~, ~

MAR 16 ]98t I>>.

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COAIAII$ $ ON Attention: Mr. R. H. Engelken, Director

Subject:

WPPSS NUCLEAR PROJECT NO. 2 DOCKET NO. 50-397, CPPR-93 POTENTIALLY REPORTABLE 10CFR50.55(e)

CONDITION, WNP-2 106 DESIGN VERIFICATION OF SEISMIC CATEGORY I EQUALITY CLASS I HVAC SYSTEM HANGERS

Reference:

G02-80-293, dated December 15, 1980 The referenced letter provided an interim report of the subject poten-tially reportable condition. This letter reports on the status of planned actions and the expected date a final report can be provided to the Commission.

To date, revised Contractor procedures, assuring hanger designs are adequately verified, have been approved and the Contractor has been directed to provide design verification, in accordance with the revised procedures, for hangers considered to be permanently installed.

It is expected the Contractor can complete the review of the installed hanger designs and provide the required design verifications or identi-fication of deficiencies prior to June 1, 1981. Any deficiencies -:

identified will be documented by Noq-Conformance Reports.

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"r Washington Public Power Supply System March 10, 1981 RH Engelken G02-81-52 Page 2 A final report on the subject concern will be provided to the Commission within one month following receipt of the Contractor's response.

Please contact us if you have additional questions.

Very truly yours, G. Matlock Program Director, WNP-2 cc: JJ Verderber - Burns 5 Roe RE Snaith - Burns IE Roe RC Root - Burns 5 Roe Site WS Chin - Bonneville Power Administration TA wY..-Stel 1 o---NRC Mangelsdorf - Bechtel AD Toth - NRC Resident Inspector W. Wood - NUS Corporation WNP-2 Files

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