ML20206F275

Forwards SER Re Proposed Repairs of Core Spray nozzle-to- safe-end Welds During Current Refueling Outage.Proposed Weld Overlay Design & Repair Methodology Meet ASME Code & NRC Requirements

ML20206F275
Person / Time
Site:	Vermont Yankee
Issue date:	06/16/1986
From:	Rooney V Office of Nuclear Reactor Regulation
To:	Capstick R VERMONT YANKEE NUCLEAR POWER CORP.
Shared Package
ML20206F279	List: ML20206F275 ML20206F365
References
NUDOCS 8606240397
Download: ML20206F275 (2)

Text

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June 16, 1986 (bg\ b Docket No. 50-271 DISTRIBUTION Docket File NRC PDR Local PDR Mr. R. W. Capstick PD#2 File Licensing Engineer RBernero Vermont Yankee Nuclear Power Corporation SNorris 1671 Worcester Road VRooney Framingham, Massachusetts 01701 EJordan BGrimes

Dear Mr. Capstick:

JPartlow ACRS(10)

SUBJECT:

CORE SPRAY SAFE - END REPAIRS 0 ELD Re: Vermont Yankee Nuclear Power Station By letters dated May 5 and June 2,1986, Vermont Yankee Nuclear Power Corporation proposed repairs of the core spray nozzle-to-safe end welds during the current refueling outage. We find that the proposed weld overlay design and repair methodology for the two cracked core spray nozzle-to-safe end welds meet the ASME Code and NRC staff requirements. We conclude that Vermont Yankee can be safely returned to power operation for the upcoming fuel cycle after the proposed weld overlay repairs are satisfactorily completed. Because the proposed repair is acceptable on an interim basis, we recommend that the licensee seriously consider replacing both cracked core spray safe ends during the next refueling outage, when the schedule allows.

A copy of our Safety Evaluation is enclosed.

Sincerely,

/S/

Vernon L. Rooney, Project Manager BWR Project Directorate #2 Division of BWR Licensing

Enclosure:

. Safety Evaluation cc w/ enclosure:

See.next page O

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Mr. R. W. Capstick Vemont Yankee Nuclear Power Corporation i Vermont Yankee Nuclear Power Station ,

CC:

Mr. J. G. Weigand W. P. Murphy, Vice President &

President & Chief Executive Officer Manager of Operations Vermont Yankee Nuclear Power Corp. Vermont Yankee Nuclear Power Corp.

R. D. 5, Box 169 R. D. 5. Box 169 Ferry Road .- Ferry Road Brattleboro, Vemont 05301 - Brattleboro, Vemont 05301 Mr. Donald Hunter, Vice President Mr. Gerald Tarrant . Comissioner Vermont Yankee Nuclear Power Corp. Vermont Department of Public, Service 4 -

1671 Worcester Road 120 State Street 3

Framingham, Massachusetts 01701 Montpelier, Vermont 05602 l New England Coalition en

Nuclear Pollution

! Hill and Dale Fam Public Service Board

! R. D. 2, Box 223 State of Vermont l Putney, Vermont 05346 120 State Street .

! Montpelier, Vermont 05602 I Mr. Walter Zaluzny d

Chairman, Board of Selectman Vemont Yankee Decommissioning

! Post Of' ice Box 116 Alliance

! Vernon, Vermont 05345 Box 53 Montpelier, Vermont 05602-0053 J. P. Pelletier, Plant Manager i Vemont Yankee Nuclear Power Corp.

Post Office Box 157 Resident Inspector -

Vernon, Vermont 05354 U. S. Nuclear Regulatory Commission Post Office Box 176 Raymond N. McCandless Vernon, Vement 05354 Vermont Division of Occupational i & Radiological Health Yemont Public Interest Administration Building Research Group, Inc.

10 Baldwin Street 43 State Street Montpelier, Vemont 05602 Montpelier, Vermont 05602

! Honorable John J. Easton Thomas A. Murley Attorney General Regional Administrator State of Vermont Region ! Office 109 State Street U. S. Nuclear Regulatory Corrission Montpelier, Vermont 05602 631 Park Avenue King of Prussia, Pennsylvania 19406 John A. P.itscher, Esquire Ropes & Gray 225 Franklin Street .

Boston, Massachusetts 02110 l

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