ML20028A132
| ML20028A132 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 11/02/1982 |
| From: | Vassallo D Office of Nuclear Reactor Regulation |
| To: | Sinclair J VERMONT YANKEE NUCLEAR POWER CORP. |
| References | |
| NUDOCS 8211160460 | |
| Download: ML20028A132 (3) | |
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NRC'PDR JHeltemes, AE0D L cal PDR Docket No. 50-271 ORB Rdg D. Eisenhut OELD ELJordan Mr. J. B. Sinclair VRooney SNorris Licensing Engineer RPrevatte Vermont Yankee Nuclear Power NSIC Corporation 1671 Worcester Road JMTaylor Famingham, Massachusetts 01701
Dear Mr. Sinclair:
Re: Vermont Yankee Degraded Grid Protection 2
We have reviewed your letter dated July 22, 1982 responding to our request for infomation discussed with your staff during our June 17, 1982 meeting dealing with degraded grid voltage, and find that additional infomation is needed to complete our review.
Please provide the information listed in the enclosure to this letter within 30 days of receipt of this letter. The need for this information has previously been discussed with your staff.
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If you have any questions, please contact the assigned Project Manager.
The request for infomation contained in this letter affects fewer than ten respondents; therefore, OMB clearance is not required under P.L.96-511.
Sincerely.
Odgest signed W Domenic B. Vassallo, Chief Operating Reactors Branch #2 Division of Licensing
Enclosure:
Request for Additional Infomation cc: See next page 8211160460 821102 PDR ADOCK 05000271 P
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~ Mr. W. F. Conway d.~P.Murp'hy.VicePresident&
' President & Chief Executive Officer Manager of Operations Vemont Yankee Nuclear Power Corp.
Vermont Yankee. Nuclear Power Corp.
s R.D. 5, Box 169 R. D. 5, Box 169 Ferry Road Ferry Road Brattleboro, Vermont 05301 Brattleboro, Vemont 05301
~ Mr. Louis Heider, V. P.
U.S. Environmental Protection Agency Vermont Yankee Nuclear Power Corp..
Regional Radiation Representative Region I Office
.J7 1671 Worcester Road Framingham, Massachusetts 01701
. JFK Federal Building J,...I a Boston, Massachusetts 02203,
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John A. Ritscher, Esquire
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- T-Ropes & ' Gray Public Service Board-1
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State of Vermont.
225 Franklin Street.
c1 Bostori, Massachusetts "02110
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1 20 State Street
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1 Montpelier, Vermont -05602:L e'
' _ New England Coalition on Nuclear.
Pollution Vermont Yankee Decommissioning
_ Hill and Dale Farm
_ All.iance.
R.D. 2, Box 223 53 Frost Street Putney, Vermont 05346 Brattleboro, Vermont 05.301 Mr. Walter Zaluzny Vermont Yankee Decommissioning Chairman, Board of Selectman Alliance P.O. Box 116
.5 State Street Vernon, Vermont 05354 Box 1117 Montpelier, Vermont 05602 J. P. Pelletier, Plant Manager Vermont Yankee Nuclear Power Corp.
Resident Inspector P.O. Box 157 c/o U.S. NRC Vernon, Vermont 05354 P.O. Box 176 Vernon, Vermont 05453 Vermont Public Interest Research Raymond N. McCand'ess Group, Inc.
Vermont Division of Occupational 43 State. Street
& Radiological Health Montpelier, VT 05602 Administration Building 10 Baldwin Street Ronald C. Haynes Montpelier, Vermont 05602 Regional Administrator, Region I U.S. Nuclear Regulatory Conmission Honorable John J. Easton 631 Park Avenue Attorney General King of Prussia, PA 19406 State of Vermont 109 State Street Montpelier, Vermont 05602 m
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REQUEST FOR ADDITIONAL INFORMATION VERMONT. YANKEE-DEGRADED. GRID PROTECTI0N'.
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You are requested to provide the following information:
1.
Details on how the load shedding feature will be bypassed when the -
onsite emergency diesel generators are supplying power to the Class 1E Suses, and how this feature 'will be reinstated if an bnsite emergency diesel generator 6reaker should trip.
2.
Technical spectftcations.to cover the.setpoints and tolerances,_
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limiting conditions. for o'peration and surveillance testing fbr tlie ~~.-
..T undervolt' age p'rof.ec.ti.ve' Felaying systsm.
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3.
Plant operatin.g procedu'rd to. cover operator actions under degraded
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grid and non-accident'c.onditions,_
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