ML20135E511

Forwards Safety Assessment Re Change Made at Plant to Containment Isolation Valve Configuration for Containment Spray & Residual Heat Removal Sys

ML20135E511
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	03/03/1997
From:	Rooney V NRC (Affiliation Not Assigned)
To:	Sedano R VERMONT, STATE OF
Shared Package
ML20135E514	List: ML20135E511 ML20135E535 ML20135E540
References
NUDOCS 9703070117
Download: ML20135E511 (3)

Text

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March 30 1997 l

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4 Richard P.-Sedano, Commissioner l

. State of Vermont,. Department of Public Service 112 State Street- '

Drawer 20 4 / '

Montpelier, VT' 05620-2601; -

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Dear Commissioner Sedano:

- 4 ,  ;

o,

Thank you for your November'13,

1996, INterconcerningachangemadeat I i Vermont Yankee to the containment isolation valve configuration for the I

' containment. spray and, residual' heat removal. systems. As you noted, this matter was the: subject of a letter dated October 15, 1996, from the Vermont Yankee Nuclear Power Corporation'(VYNPC) to the staff. The staff requested

, additional information which VYNPC pr~ovided "

by letter dated November 15, 1996.

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The staff considered safety issues as well as applicability of 10 CFR 50.59 to the configuration change and concluded in the safety assessment accompanying the attached. letter to =VYNPC that the change was acceptable and does not l  ;

require prior NRC approval.- We believe that the enclosed safety assessment  !

i answers the questions you had raised concerning this issue. If you have any

other questions, please call me at (301) 415-3045.

) Sincerely, j Original signed by:.

Igghh Vernon L. Rooney, Senior Project Manger Project Directorate I-3 '

Division of Reactor Projects - I/II  !

Office of Nuclear Reactor Regulation l l

Docket No. 50-271

Attachment:

Safety Assessment cc w/ enc 1: See next page-DISTRIBUIIDN:

Docket File. JZwolinski OGC PUBLIC PMilano ACRS PDI-3 Reading Slittle RConte, RI SVarga VRooney DOCUMENT NAME: G iR00NEY\M96754.LET To receive a copy of this document, indicate in the box: "C" - Copy without attachment / enclosure "E" - Copy with attachment / enclosure "N" - No copy 0FFICE PM: POI-3 / y, t [E LA PDia3 R/ l (A)D:PDA3 l l l unne vnooney l' u stittte (W s Pattend's -

1 DATE 02/<f /9T 02/g4 /97 ' V 02 f3 /97

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• OFFICJKL RECORD COPY l t

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9703070117 970303 PDR ADOCK 05000271 '

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l c u:vq o p 51 UNITED STATES j g j NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 2006M201  !

o%, . . . . . p/ March 3, 1997 Richard P. Sedano, Commissioner State of Vermont, Department of Public Service i 112 State Street  !

Drawer 20 '

Montpelier, VT 05620-2601

Dear Commissioner Sedano:

Thank you for your November 13, 1996, letter concerning a change made at Vermont Yankee to the containment isolation valve configuration for the containment spray and residual heat removal systems. As you noted, this matter was the subject of a letter dated October 15, 1996, from the Vermont Yankee Nuclear Power Corporation (VYNPC) to the staff. The staff requested additional information which VYNPC provided by letter dated November 15, 1996.

The staff considered safety issues as well as applicability of 10 CFR 50.59 to the configuration change and concluded in the safety assessment accompanying the attached letter to VYNPC that the change was acceptable and does not require prior NRC approval. We believe that the enclosed safety assessment answers the questions you had raised concerning this issue. If you have any other questions, please call me at (301) 415-3045.

Sincerely c.-

Vernon L. Rooney, S ior Project Manger Project Directorate I-3 >

Division of Reactor Projects - I/II l Office of Nuclear Reactor Regulation Docket No. 50-271

Enclosure:

Safety Assessment cc w/ enc 1: See next page

D. Reid Vermont Yankee Nuclear Power Station Vermont Yankee Nuclear Power Corporation cc:

Regional Administrator, Region I G. Dana Bisbee, Esq.

U. S. Nuclear Regulatory Commission Deputy Attorney General 475 Allendale Road 33 Capitol Street King of Prussia, PA 19406 Concord, NH 03301-6937 R. K. Gad, III Resident Inspector Ropes & Gray Vermont Yankee Nuclear Power Station One International Place U.S. Nuclear Regulatory Commission Boston, MA 02110-2624 P.O. Box 176 Vernon, VT 05354 Mr. Richard P. Sedano, Commissioner Vermont Department of Public Service Chief, Safety Unit 120 State Street, 3rd Floor Office of the Attorney General Montpelier, VT 05602 One Ashburton Place, 19th Floor Boston, MA 02108 Public Service Board State of Vermont Mr. David Rodham, Director 120 State Street ATTN: James Muckerheide Montpelier, VT 05602 Massachusetts Civil Defense Agency 400 Worcester Rd.

Chairman, Board of Selectmen P.O. Box 1495 Town of Vernon Framingham, MA 01701-0317 P.O. Box 116 Vernon, VT 05354-0116 Mr. Raymond N. McCandless Vermont Division of Occupational Mr. Richard E. McCullough and Radiological Health Operating Experience Coordinator Administration Building Vermont Yankee Nuclear Power Station Montpelier, VT 05602 P.O. Box 157 Governor Hunt Road Mr. J. J. Duffy Vernon, VT 05354 Licensing Engineer Vermont Yankee Nuclear Power Corporation 580 Main Street Bolton, MA 01740-1398 Mr. Robert J. Wanczyk, Plant Manager Vermont Yankee Nuclear Power Station P.O. Box 157, Governor Hunt Road Vernon, VT 05354 Mr. Ross B. Barkhurst, President Vermont Yankee Nuclear Power Corporation Ferry Road Brattleboro, VT 05:f01