GO2-90-061, Requests Review of Encl Topical Rept WPPSS-FTS-127,Rev 0, Qualification of Core Physics Methods for BWR Design & Analysis. Upon Rept Approval,Tech Spec Changes (Per Generic Ltr 88-16) Scheduled for Jan 1992
| ML17285B204 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 03/29/1990 |
| From: | Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML17285B205 | List: |
| References | |
| GL-88-16, GO2-90-061, GO2-90-61, NUDOCS 9004250045 | |
| Download: ML17285B204 (7) | |
Text
ACCELERATED DISTRIBUTION DEMONS TION SYSHM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBRa9004250045'OC
~ DATEe 90/03/29 NOTARIZEDe NO DOCKET g
FACIL:50-397 WPPSS Nuclear Project, Unit 2; Washington Public Powe 05000397 AUTH.NAME AUTHOR AFFILIATION SORENSEN,G.C.
Washington Public Power Supply System RECIP.NAME RECIPIENT AFFILIATION Document.Control Branch (Document Control Desk)
SUBJECT:
Requests NRC review of topical rept WPPSS-FTS-127, Rev.0, "Qualification of gore Physics Methods for BWR Design..."
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ai WASHINGTON PUBLIC POWER SUPPLY SYSTEM P.O. Box 968
~ 3000 George Washington Way
~ Richland, Washington 99352 March 29; 1990 G02"90-061 Docket No. 50-397 U.S.
Nuclear. Regulatory Commission Attn:
Document Control Desk Washington, D. C.
20555 Gentlemen:
Subject:
NUCLEAR PLANT NO. 2; OPERATING LICENSE NPF-21 NOTIFICATION OFREQUEST FOR NRC REVIEW OF TOPICAL REPORT WPPSS"FTS-127; "QUALIFICATION OF CORE PHYSICS METHODS FOR BWR DESIGN AND ANALYSIS" The Supply System has been making pr,eparations over the past several years in anticipation of performing
- our, own reload analysis.
One of the major, steps in that process is to receive approval from the NRC for the methodology we intend to utilize; including specific topical r eports.
The purpose of this letter is to request the Nuclear Regulatory Commission's review and approval of Topical Report WPPSS-FTS-127, Rev.
0; "gualification of Core Physics Methods for BWR Design and Analysis".
This report describes the methodology intended for use in WNP-2.
In addition; our schedule for implementing the reload analysis methodology is provided.
gualification of the CASMO-2 lattice physics and SIMULATE-E three-dimensional nodal core simulator programs for the steady state reload and core design and
, analysis of BWRs is described in this report.
CASMO-2 was developed by Studsvik Energiteknik AB to perform lattice physics analysis.
SIMULATE-E is a part of the Electric Power Research Institute; EPRI-,
Advanced Recycle Methodology Program (ARMP) developed for steady state analyses of light water reactors.
Brief descriptions of the CASMO-2 and SIMULATE-E programs are presented in this report along with comparisons to measur,ements from oper ating BWRs and uniform lattice criticals from Westinghouse TRX and ESADA facilities.
These programs and associated methodologies will be used by the Supply System for plant operations
- support, various fuel cycle and safety related calculations',
and to provide necessary neutronics input data to tr,ansient analyses for WNP-2.
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Page Tyo NOTIFICATION OF REQUEST FOR NRC REVIEW OF. TOPICAL REPORT WPPSS"FTS-127 The physics topical report is a first of a series of three reports that will address the methodology under development by the Supply System.
The second of these reports entitled "BWR Transient Analysis Model,"
is scheduled for.
submittal to the NRC for review in July 1990.
The third and final report entitled "Applications of Steady State and Transient Analysis to Reload Licensing Evaluation;"
is scheduled for submittal to the NRC for, review in January 1991.
It is intended that the models and methods described in these topicals will be utilized for designing and analyzing (RSE) the reload which will begin operation in June of 1992.
.Figure 1 shows a more detailed schedule of the activities involved in implementing the Supply System methods for Cycle 8.
Subsequent to the NRC's approval of the above topical reports; and prior to their, use; Technical Specification changes to approve Supply System methodology according to Generic Letter 88-16; is scheduled for, January 1992.
This would allow approximately 75 days
- for, review and approval of the Technical Specification changes.
Please advise us at your, earliest convenience if the schedules described herein are not viable from the NRC's scheduling viewpoint.
Very Truly Yours, G. C. Sorensen Manager; Regulatory Programs BMM:bw
Attachment:
Figure 1
Enclosure:
gualification of Core Physics Methods For.
BWR Design and Analysis (18 copies)
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JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Steady State Physics Topical Submittal 1990 Refuel For Cycle 6 Transient Topical Submit tal ANF: Cycle 7 RSE Application Topical Submittal Refuel For Cycle 7 Supply System: Cycle 8 RSE Submit Technical Specification Changes to Approve Supply System Methology (Generic Letter 88-18)
Refuel For Cycle 8 1992 Complete NRG Review of Topicals 8 Tech Spec Changes SUPPLY SYSTEM CORE DESIGN MILESTONES FIGURE 1
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