ML20217Q701
| ML20217Q701 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 08/28/1997 |
| From: | Jabbour K NRC (Affiliation Not Assigned) |
| To: | Reid D VERMONT YANKEE NUCLEAR POWER CORP. |
| References | |
| TAC-M98457, NUDOCS 9709030324 | |
| Download: ML20217Q701 (3) | |
Text
-_.
August 28, 1997 Mr. Donald A. Reid
= Senior Vice-President, Operations-Vermont Yankee Nuclear Power Corporation Ferry Road Brattleboro, VT 05301
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION REGARDING REPORT YAEC-1339 -
1
-. VERMONT YANKEE NUCLEAR POWER STATION (TAC-NO M98457)
Dear Mr.--Reid:
By letter dated April 14, 1997, Vermont Yankee Nuclear Power Corporation (VYNPC) submitted for NRC review and approval Report YAEC-1339 titled, " Yankee Atomic Electric Com Reload Analysis." pany Application of FIBWR2 Core Hydraulics Code to BWR Thw FIBWR2 Code, which is a new version of FIBWR, will be used to validate reload analyses that include new fuel types with part length fuel rods and varied water tube designs.
The NRC staff has reviewed your submittal, and, based on its review, finds that responses to the enclosed request for additional information are needed before we can complete our_ review.
Please provide your responses within 30 days from the date of this letter.
If you have any questions regarding this matter, please contact me at (301) 415-1496.
Sincerely,-
Original signed by Kahtan N. Jabbour, Sr. Project Manager Proaact Directorate I Divi;'on of Reactor Projects - I/II Off ut. of-Nuclear Reactor Regulation 1[/
Docket-No. 50-271
Enclosure:
Request for Additional. Information
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Regional Administrator, Region I ATTN: James Muckerheide U. S. Nuclear Regulatory Commission Massachusetts Emergency Management
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475 Allendale Road Agency King of Prussia, PA 19406 400 Worcester Rd.
P.O. Box 1496 Mr. David R. Lewis Framingham, MA 01701-0317 Shaw Pittman, Potts & Trowbridge 2300 N Street, N.W.
Mr. Raymond N. McCandless
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Washington, DC 20037-1128 Vermont Division of Occu)ational and Radiological Healti Mr. Richard P. Sedano, Commissioner Administration Buildino Vermont Department of Public Service Montpelier, VT 05602 120 State Street, 3rd Floor Montpelier, VT 05602 Mr. J. J. Duffy Licensing Engineer g
PuLlic Service Board Vermont Yankee Nuclear Power "q
State of Vermont Corporation j
120 State Street 580 Main Street Montpelier, VT 05602 Bolton, MA 01740-1398 Chairman, Board of Selectmen Mr. Robert J. Wanczyk Town of Vernon Director of Safety and Regulatory P.O. Box 116 Affairs Vernon, VT 05354-0116 Vermont Yankee Nuclear Power Corp.
Ferry Road Mr. Richard E. McCullough Brattleboro, VT 05301 Operating Experience Coordinator Vermont Yankee Nuclear Power Station Mr. Ross B. Barkhurst, President P.O. Box 157 Vermont Yankee Nuclear Power Governor Hunt Road Corporation Vernon, VT 05354 Ferry Road Brattleboro, VT 05301 G. Dana Bisbee, Esq.
Deputy Attorney General Mr. Gregory A. Marat, Plant Manager 33 Capitol Street Vermont Yankee Nuclear Power Station Concord, NH 03301-6937 P.O. Box 157 Governor Hunt Road Resident Inspector Vernon, VT 05354 Vermont Yankee Nuclear Power Station U.S. Nuclear Regulatory Commission Ms. Deborah B. Katz P.O. Box 176 Box 83 Vernon, VT 05354 Shellburne Falls, MA 01370 Chief, Safety Unit Mr. Jonathan M. Block, Esq.
Office of the Attorney General Main Street One Ashburton Place,19th Floor P.O. Box 566 Boston, MA 02108 Putney, VY 05346-0566
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RE0 VEST FOR ADDITIONAL INFORMATION VERMONT YANKEE NUCLEAR POWER STATION DOCKET NO. 50-271 1.
On page 4 of YAEC-1339, you stated that "FIBWR2 contains the vendor correlation." Please explain what correlations you plan to use with FIBWR2 and what verification analyses you have to perform with these correlations?
2.
In Figure 3-4, (page 33 of YAEC-1339), why is the calculated void fraction higher than the analytical solution in the 2.:' 2.5 second timeframe of the flow oscillation transient?
3.
On page 35, of YAEC-1339 you stated that "FIBWR2 is structured to allow implementation of fuel vendor specific correlations." What correlations have already been implemented in your coding and what procedure will you use to verify any additional correlations you add to FIBWR27 ENCLOSURE