ML19208B121
| ML19208B121 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 08/22/1979 |
| From: | Ippolito T Office of Nuclear Reactor Regulation |
| To: | Groce R YANKEE ATOMIC ELECTRIC CO. |
| References | |
| NUDOCS 7909190076 | |
| Download: ML19208B121 (3) | |
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UNITED STATES g
NUCLEAR REGULATORY COMMISSION 3
p WASHINGTON, D. C. 20555
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AUGUST 2 2 1979 Docket No. 50-271 Mr. Robert H. Groce Lictnsing Engineer Yankee Atomic Electric Company 20 Turnpike Road Westboro, Massachusetts 01581
Dear Mr. Groce:
We have reviewed your submittal of May 18, 1979 in which you proposed changes to the Technical Specifications for Vermont Yankee Nuclear Power Station to pemit a reduced frequency of testing of the actuation logic for the LPCI, HPCI, RCIC, SJAE, and A0G systems.
In order to complete our review, we find that we require the additional information described in Enclosure 1 to this letter. We discussed these questions with your representatives by telephone on July 3,1979.
Your response to this letter is requested within 45 days of its receipt.
Sincerely, n
Thomas K.'Ippolito, Chief Operating Reactors Branch #3 Division of Operating Reactors
Enclosure:
Request for Additional Information cc w/ enclosure:
See page 2
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Mr. Robert H. Groce 2-AUGUST 2 2 1979 cc: Ms. J. M. Abbey John R. Stanton, Director Vemont Yankee Nuclear Power Radiation Control Agency Corporation Hazen Drive 77 Grove Street Concord, New Hampshire 03301 Rutland, Vermont 05701 John W. Stevens Mr. Donald E. Vandenburgh, Conservation Society of Vice President Southern Vennont Vermont Yankee Nuclear Power P. O. Box 256 Corporation Townshend, Vermont 05353 Turnpike Road, Route 9 Westboro, Massachusetts 01 581 Dr. Mars Longley, Director Div. Occupational Health John A. Ritsher Esquire 32 Spaulding Street Ropes & Gray Barre, Vermont 05641 225 Franklin Street i
Boston, Massachusetts 02110 New England Coalition on Nuclear Pollution Laurie Burt Hill and Dale Farm Assistant Attorney, General West Hill-Faraway Road Environmental Protection Division Putney, Vermont 05346 Attorney General's Office One Ashburton Place,19th Floor Public Service Board Boston, Massachusetts 02108 State of Vermont 120 State Street Richard E. Ayres, Esquire Natural Resources Defense Counsel Montpelier, Vermont 05602 91715th Street, N. W.
Washington, D. C.
20005 W. F. Conway, Plant Superintendent Vermont Yankee Nuclear Power Honorable M. Jerome Diamond Corporation P. O. Box 157 Attorney General Vernon, Vermont 05354 State of Vermont 109 State Street Pavilion Office Building Mr. Charles Sheketoff Montpelier, Vermont 05602 Assistant Director Vermont Public Interest John A. Calhoun Research Group, Inc.
Assistant Attorney General 26 State Street State of Vermont
. tiontpelier, Vermont 05602 109 State Street Pavilion Office Building Brooks Menorial Library Montpelier, Vermont 05602 224 Main Street Brattleboro, Vermont 05301 Anthony Z. Roisman Natural Resources Defense Council 917 15th Street, N. W.
Washington, D. C.
20005
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ENCLOSURE 1 REQUEST FOR ADDITIONAL INFORMATION VERMONT YANKEE NUCLEAR POWER STATION EMERGENCY CORE COOLING SYSTEM LOGIC TECHNICAL SPECIFICATION CHANGE Your request of May 18, 1979 did not contain sufficient design infor-mation to enable the staff to conduct an adequate safety review.
Therefore, the staff requires the following additional information:
a.
Updated ASBUILT copies of the system schematics, functional logic diagrams, and piping and instrumentation diagrams for each affected system; and b.
A reliability analysis similar to that provided in GESSAR or Appendix 6A to the Zimmer application.
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