ML20012C678

Reaffirms Granting of Temporary Waiver of Compliance W/Tech Spec 3.8.2.1, Onsite Power Distribution Sys & Informs of Plan to Issue Amend to Adopt Westinghouse STS Requirement Upon Expiration of Comment Period

ML20012C678
Person / Time
Site:	Beaver Valley
Issue date:	03/21/1990
From:	Boger B Office of Nuclear Reactor Regulation
To:	Sieber J DUQUESNE LIGHT CO.
References
TAC-75963, NUDOCS 9003230044
Download: ML20012C678 (3)

Text

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March 21,-1990 Docket-No. 50 334 DISTR 1BUTION

• 4ecTotTiTe;fDRs Plant File NRC & Local S.Varga(14E4)

Mr. J. D. Sieber, Vice President Duquesne Light Company B. Boger(14A2)

S. Norris Nuclear Group OGC ACRS(10)

P.-O. Box 4 E. Jordan (MNBB3302)

Shippingport, Pennsylvania 15077 M. Slosson (14E4)

P. Tam E. Wenzinger

SUBJECT:

BEAVER VALLEY UNIT 1 - TEMPORARY WAIVER OF COMPLIANCE WITH TECHNICAL SPECIFICATION 3.8.2.1, ONSITE POWER DISTRIBUTION SYSTEM (TAC 75963)

On March 17, 1990, Vital Bus No. 3 was rendered inoperable by a failed fuse.

l This put the unit into an 8-hour action statement, requiring the commencement of shutdown activities at the end of the 8. hour period.

On the request of Mr. J. Vassello of your staff, a conference call was initiated at about 3:00 p.m., involving Messrs. J. Beall, F. Rosa, J. Stolz, P. Tam, E. Wenzinger and J. Wiggins of NRC, and Mr. K. Grada of your staff.

NRC participants noted that:

(1)thecurrent8.houractionstatementismuch more stringent than the 24. hour. statement in the Westinghouse Standard Tech.

nical Specifications (WSTS), (2) you have, on February 7, 1990, submitted an amendmentrequesttoadopttheWSTSrequirement,(3)wehavecompletedour review of your req)uest and are in the process of issuing the amendment as you requested,and(4 if the amendment had been issued on or before March 17, the unit would have had a much longer period for repair of the inverter. As a result, we granted a temporary waiver of compliance to allow the No. 3 inverter to be inoperable for up to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

By telephone call, Mr. Grada informed Mr. Tam that the inverter was repaired and declared operable about 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> of commencement of inoperation.

By your letter dated March 19, 1990 you documented all that transpired regarding the inverter on March 17, 1990, and the conference call.. Therefore, by this letter, we reaffirm the granting of the temporary waiver of compliance which shall remain in effect until the proposed license amendment is issued.

We plan to issue the above-mentioned amendment upon expiration of the comment period allowed by our notice of no.significant. hazards determination.

Sincerely, signed by Walter Butler for D b bbN $b$$$34

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B m ce h g n, Ass M ant W ec h PDC for Region I Reactors P

d Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation cc: See next page

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. Mr. J. Sieber Beaver Valley Power Station Duquesne Light Company Units 1 8 2 cC' Jay E. Silberg, Esquire Bureau of Radiation Protection Shaw, Pittman, Potts and Trowbridge Pennsylvania Department of 2300 N Street, N.W.

Environmental Resources Washington, DC 20037 ATTN:

R. Janati Post Office Box 2063

'i Kenny Grada, Manager-Harrisburg, Pennsylvania 17120 Nuclear Safety Duquesne Light Company Mayor of the Borrough of P. O. Box 4 shippingport Shippingport, Pennsylvania 15077 Post Office Box 3 Shippingport, Pennsylvania 15077_

Ashley C. Schannauer Assistant City Solicitor City of Pittsburgh 313 City-County Building Pittsburgh, Pennsylvania 15219 Commissioner Roy M. Smith Regional Administrator, Region 1 West Virginia Department of Labor U.S. Nuclear Regulatory Commission Building 3, Room 319 475 Allendale Road Capitol Complex King of Prussia, Pennsylvania 19406 Charleston, WV 25305 John D. Borrows Resident Inspector Director, Utilities Department U.S. Nuclear Regulatory Comnission Public utilities Connission Post Office Box 181 180 East Broad Street Shippingport, Pennsylvania 15077 Columbus, Ohio 43266-0573 Director, Pennsylvania Emergency Management Agency Post Office Box 3321 Harrisburg, Pennsylvania 17105-3321 a

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$q Docket No,y50 334 DISTRIBUTION Docket FiTe~

Plant File Mr. J. D.

ieber, Vice President NRC & Local PDRs S.Varga(14E4)

Duquesne Lic t Company B.Boger(14A2)

5. Norris I

Nuclear Group CCC ACRS(10) l P. O. Box 4 E. Jordan (MNBB3302)

Shippingport, Pe sylvania 15077 M. Slosson (14E4)

P. Tam E. Wenzinger

SUBJECT:

BEAVER VALLE UNIT 1 - TEMPORARY WAIVER OF COMPLIANCE WITH TECHNICAL i

SPECIFICATION

.8.2.1, ONSITE POWER DISTRIBUTION SYSTEM (TAC 75963)

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I On March 17, 1990, Vital B No. 3 was rendered inoperable by a failed fuse.

-This put the unit into an 8. our action statement, requiring the comencement of shutdown activities at the end of the 8. hour period.

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On the request of Mr. J. Vassel of your staff, a conference call was 1

initiated at about 3:00 p.m., inv ving Messrs. J. Beall, F. Rosa, J. Stolz, P. Tam, E. Wenzinger and D. Wiggins of NRC, and Mr. K. Grada of your staff.

NRC participants noted that:

(1)th current 8. hour action statement is much j

more stringent than the 24-hour statem nt in the Standard Westinghouse Tech.

nical Specifications (WSTS) (2), you ha p, on February 7, 1990, submitted an amendmentrequesttoadopttheWSTSrequiement,(3)wehavecompletedour

review of'your req)uest and are in the proc ss of issuing the amendment as youissued on ;

requested,and.(4 if the amendment had bee unit would have had a much longer period for epair of the inverter. As a result, we stated that a temporary waiver of mpliance can be granted to allow the No. 3 inverter be inoperable for up t 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

By telephone call, Mr. Grada informed Mr. Tam tha the' inverter was repaired and declared operable within 9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> of commenceme of inoperation. -By your-letter dated March 19, 1990 you documented all that ranspired regarding the-inverter on March 17, 1990,.and the conference call.

herefore, by this letter, we affirm retroactively the granting of the tem rary waiver of compliance which shall remain in effect until the propos license amendment is' issued.

j We plan to issue the above mentioned amendment upon expiratio of the comment period allowed by our notice of no.significant-hazards determi ation.

Sincerely, t

Bruce Boger, Assistant Director

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for Region I Reactors Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation I

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