ML20217L859

Discusses 990921 Request for Approval to Perform Alternative Testing as Part of Vermont Yankee Nuclear Power Station IST Program.Informs That Submittal Reviewed Against ASME Code Section XI Requirements & Forwards Safety Evaluation

ML20217L859
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	10/21/1999
From:	Clifford J NRC (Affiliation Not Assigned)
To:	Wanczyk R VERMONT YANKEE NUCLEAR POWER CORP.
Shared Package
ML20217L863	List: ML20217L859 ML20217L883
References
TAC-MA6502, TAC-MA6503, NUDOCS 9910270089
Download: ML20217L859 (3)

Text

{{#Wiki_filter:o October 21, 1999

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                . Mr. Robert J. Wanczyk
                  ' Acting Director of Operations Vermont Yankee Nuclear Power Corporation 185 Old Ferry Road Brattleboro, Vf 05301

SUBJECT:

SAFETY EVALUATION OF THE INSERVICE TESTING PROGRAM FOR PUMPS AND VALVES, THIRD INTERVAL PLAN, REQUEST FOR ALTERNATIVE TESTING, VERMONT YANKEE NUCLEAR POWER STATION (TAC NOS.

                               ' MA6502 AND MA6503) .

Dear Mr. Wanczyk:

By letter dated September 21,1999, you requested approval to perform alternative testing as part of the Vermont Yankee Nuclear Power Station (VY) Inservice Testing (IST) Program. The VY program was developed in accordance with the requirements of the 1989 Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code)

which references the ASME Code for Operations and Maintenance of Nuclear Power Plants (OM Code) Part 1, Part 6, and Part 10 (OM-1, OM-6, and OM-10), for IST of safety and relief

                - devices, pumps, and valves. We have reviewed the submittal against the requirements of Sebtion XI of the ASME Code.

l You requested relief nom the testing requirements of OM-10 paragraph 4.3.2.4(c). The Code ( ' requires that each check valve be disassembled every refueling outage. in RR V17, Revision 0, you proposed to disassemble and inspect, or nori-intrusively test, one of the Nvo service L water system loop header discharge check valves every refueling outage. In RR-V18 you proposed to implement a sample disassembly and inspection program for 10 service water system vacuum breaker check valves. We have determined that the proposed alternatives to the requirements of OM-10 paragraph 4.3.2.4(c) may be approved pursuant to 10 CFR l 50.55a(f)(4)(iv) because the alternatives meet the requirements of the 1995 OM Code i paragraph ISTC .4.5.4(c) which has been incorporated by reference into 10 CFR 50.55a l(64 FR 51370). Our detailed evaluation and conclusions are documented in the enclosed safety evaluation. Sincerely, 1 d ' JanNN. blFo*rd, Unief, Section 2 Project Directorate 1 9910270089 991021 Division of Licensing Project Management gDR ADOCK 050002 i j Office of Nuclear Reactor Regulation . ghff 4%'b' Docket No. 50-271 -

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Enclosure:

Safety Evaluation m cc w/ encl: See next page DISTRIBUTION .

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                    #                                             October 21, 1999 Mr. Robert J. Wanczyk Acting Director of Operations Vermont Yankee Nuclear Power Corporation 185 Old Ferry Road Brattleboro, VT 05301

SUBJECT:

SAFETY EVALUATION OF1HE INSERVICE TESTING PROGRAM FOR PUMPS AND VALVES, THIRD INTERVAL PLAN, REQUEST FOR ALTERNATIVE TESTING, VERMONT YANKEE NUCLEAR POWER STATION (TAC NOS. MA6502 AND MA6503)

Dear Mr. Wanczyk:

By letter dated September 21,1b99, you requested approval to perform alternative testing as part of the Vermont Yankee Nuclear Power Station (VY) Inservice Testing (IST) Program. The VY program was developed in accordance with the requirements of the 1989 Edition of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (A3ME Code) which references the ASME Code for Operations and Maintenance of Nuclear Power Plants (OM Code) Part 1, Part 6, and Part 10 (OM-1, OM-6, and OM-10), for IST of safety and relief devices, pumps, and valves. We have reviewed the submittal against the requirements of Section XI of the ASME Code. You requested relief from the testing requirements of OM-10 paragraph 4.3.2.4(c). The Code requires that each check valve be disassembled every refueling outage, in RR-V17, Revision 0, you proposed to disassernble and inspect, or non-intrusively test, one of the two service water system loop header discharge check valves.every refueling outage. In RR-V18 you proposed to implement a sample _ disassembly and inspection program for 10 service water system vacuum breaker check valves. - We have determined that the proposed alternatives to the requirements of OM-10 paragraph 4.3.2.4(c) may be approved pursuant to 10 CFR

         ' 50.55a(f)(4)(iv) because the alternatives meet the requirements of the 1995 OM Code paragraph !STC 4.5.4(c) which has been incorporated by reference into 10 CFR 50.55a (64 FR 51370).

l< 'Our dcta.Nd evaluation and conclusions are documented in the enclosed safety evaluation. , l Sincerely, V g / J mes W. Clifford, Chief, Section 2 Project Directorate i Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-271 , Enclosu're: Safety Evaluation cc iv/ encl: .See next page ~ E.

  ..                                                                                      1 Vermont Yankee Nuclear Power Station cc:

Regional Administrator, Region l Mr. Raymond N. McCandless U. S. Nuclear Regulatory Commission Vermont Department of Health 475 Allendale Road Division of Occupational King of Prussia, PA 19406 and Radiological Health 108 Cherry Street Mr. David R. Lewis Burlington, VT 05402 Shaw, Pittman, Pctts & Trowbridge 2300 N Street, N.W. Mr. Gautarn Nn ] j Washington, DC 20037-1128 Licensing Ma, ager ) Vermont Yankee Nuclear Power j i- Mr. Richard P. Sedano, Commissioner Corporation j Vermont Department of Public Service 185 Old Ferry Road q 112 State Street Brattleboro, VT 05301 j Montpelier, VT 05620-2601 l Resident inspector  ! Mr. Michael H. Dworkin, Chairman Vermont Yankee Nuclear Power Station Public Service Board U. S. Nuclear Regulatory Commission State of Vermont P.O. Box 176 112 State Street Vernon, VT 05354 Montpelier, VT 05620-2701 Director, Massachusetts Emergency Chairman, Board of Selectmen Management Agency Town of Vernon ATTN: James Muckerheide P.O. Box 116 400 Worcester Rd. Vernon, VT 05354-0116- P.O. Box 1496 Framingham, MA 01701-0317 Mr. Richard E. McCullough Operating Experience Coordinato'r Jonathan M. Block,. Esq. j Vermont Yankee Nuclear Power Station Main Street P.O. Box 157 P. O. Box 566 Governor Hunt Road Putney, VT 05346-0566 Vernon, VT 05354 G. Dana Bisbee, Esq. ' Deputy Attorney General 33 Capitol Street Concord, NH 03301-6937 Chief, Safety Unit Office of the Attorney General One Ashburton Place,19th Floor Boston, MA 02ivo

              .Ms. Deborah B. Katz                             -

Box 83 Shelburne Falls, MA 01370}}