ML20044H299
| ML20044H299 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 06/02/1993 |
| From: | Dan Dorman Office of Nuclear Reactor Regulation |
| To: | Reid D VERMONT YANKEE NUCLEAR POWER CORP. |
| References | |
| GL-92-08, GL-92-8, TAC-M85618, NUDOCS 9306080156 | |
| Download: ML20044H299 (3) | |
Text
'
' Docket No. 50-271 DISTRIBUTION:
Docket File' DDorman Mr. Donald A. Reid, Vice President -
NRC & Local PDRs OGC Operations PDI-3 Reading ACRS (10)
Vermont Yankee Nuclear Power Corporation SVarga JLinville,RI Ferry Road JCalvo AMasciantonio Brattleboro, Vermont 05301-7002 WButler CMcCracken TClark CBerlinger
SUBJECT:
VERMONT YANKcE NUCLEAR POWER STATION - RESPONSE TO GENERIC LETTER 92-08, "THEh- -LAG 330-1 FIRE BARRIERS" (TAC NO. M85618)
By "BVY-93-042, Addresses Concerns Delineated in GL 92-08 Re Thermo-Lag 330 Fire Barriers,Per NRC Bulletin 92-001, Failure of Thermo-Lag 330 [[Topic" contains a listed "[" character as part of the property label and has therefore been classified as invalid. to Perform Specified Fire.... Util Will Continue to Monitor NUMARCs Efforts on Subj|letter dated April 16, 1993]], you provided a response to Generic Letter (GL) 92-08 for the Vermont Yankee Nuclear Power Station.
Your response states that the Thermo-Lag fire barriers installed at Vermont Yankee were qualified by the vendor and that the fire barrier configurations installed at the plant are consistent with the qualification test assembly configurations.
Your response also states that there were no deviations from the tested configuration noted during installation.
Your response also states that Vermont Yankee is " working hard toward eliminating reliance on Thermo-Lag 330.
It is expected that this work will be completed by 6/1/93.
Vermont Yankee will notify the NRC in writing when this corrective action is complete."
In the interim period, compensatory measures are in place and will remain in place until operable fire barriers are installed.
Reporting requirement 3(a) of GL 92-08 requested that licensees " describe all corrective actions" for Thermo-Lag 330-1 installed at the facility.
Therefore, the staff requests that, in your written notification, you identify the alternatives used by Vermont Yankee in eliminating reliance on Thermo-Lag, and the basis for finding that the new fire barrier configurations are acceptable with respect to fire endurance and ampacity derating.
The information requested by this letter is within the scope of the overall burden estimate in Generic Letter 92-08 which was an average of 300 person-hours for each addressee's response.
This request is covered by Office of Management and Budget Clearance Number 3150-0011, which expires June 30, 1994.
Sincerely, Original signed by Daniel H. Dorman, Project Manager Project Directorate I-3 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation cc: See next page nn
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WASHING 10N. D.C. 20$$ WOO 1 June 2, 1993 Docket No. 50-271 Mr. Donald A. Reid, Vice President -
Operations Vermont Yankee Nuclear Power Corporation Ferry Road Brattleboro, Vermont 05301-7002
Dear Mr. Reid:
SUBJECT:
VERMONT YANKEE NUCLEAR POWER STATION - RESPONSE TO GENERIC LETTER 92-08, " THERM 0-LAG 330-1 FIRE BARRIERS" (TAC N0. M85618)
By "BVY-93-042, Addresses Concerns Delineated in GL 92-08 Re Thermo-Lag 330 Fire Barriers,Per NRC Bulletin 92-001, Failure of Thermo-Lag 330 [[Topic" contains a listed "[" character as part of the property label and has therefore been classified as invalid. to Perform Specified Fire.... Util Will Continue to Monitor NUMARCs Efforts on Subj|letter dated April 16, 1993]], you provided a response to Generic Letter (GL) 92-08 for the Vermont Yankee Nuclear Power Station.
Your response states that the Thermo-Laq fire barriers installed at Vermont Yankee were qualified by the vendor and that the fire barrier configurations installed at the plant are consistent with the qualification test assembly configurations.
Your response also states that there were no deviations from the tested configuration noted during installation.
Your response also states that Vermont Yankee is " working hard toward eliminating reliance on Thermo-Lag 330.
It is expected that this work will be completed by 6/1/93. Vermont Yankee will notify the NRC in writing when this corrective action is complete."
In.
the interim period, compensatory measures are in place and will remain in place until operable fire barriers are installed.
Reporting requirement 3(a) of GL 92-08 requested that licensees " describe all corrective actions" for Thermo-Lag 330-1 installed at the facility.
Therefore, the staff requests that, in your written notification, you identify-the alternatives used by Vermont Yankee in eliminating reliance on Thermo-Lag, and the basis for finding that the new fire barrier configurations are acceptable with respect to fire endurance and ampacity derating.
The information requested by this letter is within the scope of the overall burden estimate in Generic Letter 92-08 which was an average of 300 person-hours for each addressee's response.
This request is covered by Office of-Management and Budget Clearance Number 3150-0011, which expires June 30, 1994.
i Sincerely,
\\s bk Daniel H. Dorman, Project Manager Project Directorate I-3 Division of Reactor Projects I/II
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Office of Nuclear Reactor Regulation
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cc: See next page
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Mr. Donald A. Reid, Vice President Vermont Yankee Nuclear Power Station Operations cc:
Mr. Jay Thayer, Vice President G. Dana Bisbee, Esq.
Yankee Atomic Electric Company Office of the Attorney General 580 Main Street Environmental Protection Bureau Bolton, Massachusetts 01740-1398 State House Annex 25 Capitol Street Regional Administrator, Region I Concord, New Hampshire 03301-6937 U. S. Nuclear Regulatory Commission 475 Allendale Road Resident Inspector King of Prussia, Pennsylvania 19406 Vermont Yankee Nuclear Power Station U.S. Nuclear Regulatory Commission R. K. Gad, III P. O. Box 176 Ropes & Gray Vernon, Vermont 05354 One International Place Boston, Massachusetts 02110-2624 Chief, Safety Unit Office of the Attorney General Mr. Richard P. Sedano, Commissioner One Ashburton Place, 19th Floor Vermont Department of Public Service Boston, Massachusetts 02108 120 State Street, 3rd Floor Montpelier, Vermont 05602 Hr. David Rodham, Director Massachusetts Civil Defense Agency Public Service Board 400 Worcester Rd.
State of Vermont P.O. Box 1496 120 State Street Framingham, Massachusetts 01701-0317 Montpelier, Vermont 05602 ATTN: James Muckerheide Chairman, Board of Selectmen Mr. Raymond N. McCandless l
Town of Vernon Vermont Division of Occupational Post Office Box 116 and Radiological Health.
Vernon, Vermont 05354-0116 Administration Building i
Montpelier, Vermont 05602 Mr. J. P. Pelletier, Vice President Vermont Yankee Nuclear Power Mr. L. A. Tremblay Corporation Senior Licensing Engineer Ferry Road Vermont Yankee Nuclear Power Brattleboro, Vermont 05301 Corporation 580 Main Street Bolton, Massachusetts 01740-1398 i
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