ML20058G140
| ML20058G140 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe, Maine Yankee |
| Issue date: | 11/02/1990 |
| From: | Nichols S Maine Yankee |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20058G142 | List: |
| References | |
| MN-90-110, NUDOCS 9011090417 | |
| Download: ML20058G140 (2) | |
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MaiheYankee hittAtitt t(tctsiipiv sc* unmt swet ist,r, EDISON DRIVC
- AUGUSTA. MA!NE 04330 e (207) 6224068 4
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November 2, 1990 1
MN-90-Il0 SEN-90-307'
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UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Washington. DC 20555
Reference:
License No. DPR-36 (Docket No. 50-309)
License No. DPR-03 (Docket No.50-029)
USNRC Letter to MYAPCo dated June ll,1990 - Meeting Summary on f
STAR Core Reload Code (d) MN-90-90, " Submittal of STAR Methodology Application for PWRs-Report Volume 1 and Schedule for Submitting Volume 2 " dated i
September 25, 1990 l
Subject:
Submittal of STAR Methodology Application for PWRs-Report Volume 2 4
Gentlemen:
On June S,1990, Maine Yankee met with the Nuclear Regulatory Commission staff (Reference c) to discuss the submittal of our STAR methodology a) plication for PWRs.
The intent is to use this new methodology as our generic PWR metiodology for the rod ejection and main steam line break transients.
t The first volume of this report, " STAR Methodology Application for PWRs -
Control Rod Ejection - Main Steam Line Break - Volume 1: Code - Description -
Benchmarks," was sent to the NRC in September (Reference'd),
" Volume 2:
Applications," is enclosed with this letter, STAR (Space and Time Analysis of Reactors) is a three dimensional space time reactor physics code coupled with thermal hydraulic codes, it forms the basis of our new S:'R methodology-which will be applied to the rod ejection and main steam line break' transient analysis calculations.
1 We intend to use these methods first for Maine Yankee's Cycle 13, scheduled for a fall 1991 startup. We will begin licensing analysis for Cycle 13 in early 1991.
In our June 5,1990 meeting with the NRC, we requested that review of' the STAR submittal be completed by October of 1991.
In Reference (c) the NRC indicated that.
our schedule was realistic and that staff review could be completed in time to apply the STAR code to the Cycle 13 reload, e
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SEN90307.LTR aq Ndo
.MaineVankee I
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UNITED STATES NUCLEAR REGULATORY COMMISSION MN-90-110 Attention: Document Control Desk Page Two The first volume of the report was supplied in Se)tember to allow the review process to start as early as possible.
It providec the code description and-benchmarks that validate the use of STAR.
The second volume enclosed provides a complete descriation of the application of STAR to both the rod ejection and main steam line brea( transient analysis calculations.
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We trust that you will find this submittal satisfactory. In order to assist you in your review, we are willing to discuss the submittal with you at any time.
Very truly yours,
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S/f 6 S.-E. Nichols Licensing Section Head
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SEN:WSD Enclosure c:
Mr. Thomas T. Martin t
Mr. Charles S. Marschall Mr. E. H. Trottier
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