ML17278A406

Grants 48 H Waiver to Item 3.6.1.8.b of Tech Specs Re Excessive Leak Rate of Containment Purge Valves,Per 850924 Request.Tech Spec Change Should Be Processed Under Emergency Change Option by 850926

ML17278A406
Person / Time
Site:	Columbia
Issue date:	09/24/1985
From:	Novak T Office of Nuclear Reactor Regulation
To:	Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM
References
TAC-59750, NUDOCS 8509300494
Download: ML17278A406 (8)

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UNITED STATES OO SEp 3 4 1985 NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 Docket No. 50-397 Mr. G. C. Sorensen, Manager Regulatory Programs Washington Public Power Supply System P. 0. Box 968 3000 George Washington Way

Richland, Washington 99352

SUBJECT:

lIAIVER OF ITEM 3.6.1.8.b OF THE TECHNICAL SPECIFICATIONS FOR WNP-2 In your'letter, dated September 24, 1985, you requested relief from the re-quirementss of Item 3.6. 1.8.b of the Technical Specifications for WNP-2.

You state that:

1) absent this relief the WNP-2 plant will have to be shutdown; 2) based on your analysis, there are no significant hazards considerations associated with this request; 3) the circumstances pI'oducing this need for relief could not have been anticipated; aIId 4) operations with the requested relief will not cause any undue risk to the health and safety of the public.

The issue deals with an excessive leak rate (twice the specified limit) through one of the 24-inch diameter containment purge valves.

This leak rate was determined in conjunction with your normal periodic leak rate tests as called for in Appendix J of 1C CFP, PaI't 50.

If this excessive leak raiiI.'ere summed with all the other local leak rates, the total would remain below the 0.60 L

criterion of Appenoix J.

a The staff has reviewed your request of September 24, 1985, and concludes that:

Until a change to the Technical Specifications can be processed under the emergency change option, i.e., within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />, a waiver to the Item 3.6. 1.8.b of the Technical Specifications is warranted.

Accordingly, we hereby grant a

48-hour waiver to Item 3.6.1.8.b of the Technical Specifications, i.e., until close of business, September 26, 1985.

Sincerely, Thomas

. Novak, As istant Director

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Division of Licensing BSO930o+~4 8ggooS97 PDR PDR

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C. Sorensen, Manager Washington Public Power Supply System WPPSS Nuclear Project tio.

2 (WNP-2)

CC:

Nicholas Reynold, Esquire

Bishop, Cook, Liberman, Purcell 8 Reynolds 1200 Seventeenth

Street, N.

W.

ltashington, D. C.

20036 Mr. G.

E. Doupe, Esquire Washington Public Power Supply System P. 0.

Box 968 3000 George Washington Way Richlanc', Washington 99532 Nr. Curtis Eschels, Chairman Energy Facility Site Evaluation Council tdail Stop PY-ll Olympia, Washirrtcr 98504 P. L. Powell, Licensing Manager Washington Public Powe>

Supply System P. 0.

Box 968, I'D 956B Richland, Washington 99352 tlr. l!. G.

Conn Curns and Roe, Incorporated cio Vashington Public Power Supply System P. 0.

Box 968, MD 994E Richland, Washingtor 99352 R. B. Glasscock, Director Licensing and Assurance Washington Public Power Supply System P. 0.

Box 968, MD 280

Richland,

'Washington 99352 Nr. C. tl. Powers WNP-2 Plant Manager'ashington Public Power Supply System P. 0.

Box flD 927tl Richland, Washington 99352 Regional Administrator, Region Y

U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596

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Docket No. 50-397 SEP 2 4 1985 Mr. G.

C. Sorensen, Manager Regulatory Programs Washington Public Power Supply System P. 0.

Box 968 3000 George Washington Way Richland, Washington 99352

SUBJECT:

WAIVER OF ITEM 3.6.1.8.b OF THE TECHNICAL SPECIFICATIONS FOR WNP-2 In your letter, dated, September 24, 1985, you requested relief from the re-quirements of Item 3.6.1.8.b of the Technical Specifications for WNP-2.

You state that:

1) absent this relief the WNP-2 plant will have to be shutdown; 2) based on your analysis, there are no significant hazards considerations associated with this request; 3) the circumstances producing this need for relief could not have been anticipated; and 4) operations with the requested relief will not cause any undue risk to the health and safety of the public.

The issue deals with an excessive leak rate (twice the specified limit) through one of the 24-inch diameter containment purge valves.

This leak rate was determined in conjunction with your normal periodic leak rate tests as called for in Appendix J of 10 CFR Part 50.

If this excessive leak rate were summed with all the other local leak rates, the total would remain below the 0.60 L criterion of Appendix J.

The staff has reviewed your request of September 24,

1985, and concludes that:

Until a change to the Technical Specifications can be processed under the emergency change option, i.e., within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />, a waiver to the Item 3.6.1.8.b of the Technical Specifications is warranted.

Accordingly, we hereby grant a

48-hour waiver to Item 3.6.1.8.b of the Technical Specifications, i.e., until close of business, September 26, 1985.

Sincerely,

/Q George LJ. QAig'll'kt1 Qr Thomas M. Novak, Assistant Director Division of Licensing LB82/DL LL 2

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