ML20057G352

Informs That Staff Completed Review of Plant Neutron Flux Monitoring Instrumentation & Concludes That post-accident Neutron Flux Monitoring Instrumentation at Plant Meets Criteria in NEDO-31558 & Therefore,Acceptable Alternative

ML20057G352
Person / Time
Site:	Clinton
Issue date:	09/27/1993
From:	Pickett D Office of Nuclear Reactor Regulation
To:	Phares R ILLINOIS POWER CO.
References
GL-82-33, TAC-M77955, NUDOCS 9310220085
Download: ML20057G352 (2)

Text

h Yw September 27, 1993 i

Docket No. 50-461 DISTRIBUTION Docket File NRC & Local PDRs Mr. Richard F. Phares PDIll-2 r/f JRoe Director - Licensing JZwolinski JDyer Clinton Power Station DPickett CMoore Post Office Box 678 JWermiel BMarcus Mail Code V920 AHansen ACRS(10)

Clinton, Illinois 61727 OGC BClayton, RIII

SUBJECT:

REGULATORY GUIDE 1.97 - BOILING WATER REACTOR NEUTRON FLUX MONITORING - CLINTON POWER STATION (TAC NO. M77955)

Section 6.2 of Generic Letter 82-33 requested applicants and licensees to provide a report on their implementation of Regulatory Guide 1.97.

The BWR Owners' Group responded by submitting NED0-31558, " Position on NRC Regulatory Guide 1.97, Revision 3, Requirements for Post-Accident Neutron Monitoring System," which proposed alternative criteria for neutron flux monitoring instrumentation in lieu of the Category I criteria stated in the regulatory guide.

In a safety evaluation dated January 13, 1993, the staff concluded that the criteria of NEDD-31558 was acceptable.

By letter dated April 14, 1993, the staff requested you to review the Clinton Power Station neutron flux monitoring instrumentation against the criteria of NEDO-31558 and document the results of your review.

Your letters of June 18 (U-602149) and August 31, 1993 (U-602179) provided the results of your review.

The staff has completed its review of your submittals and concludes that the post-accident neutron flux monitoring instrumentativa at the Clinton Power Station meets the criteria in NED0-31558 and is, therefore, an acceptable alternative to the guidance in Regulatory Guide 1.97, Revision 3.

Sincerely, Original signed by:

Douglas V. Pickett, Senior Project Manager Project Directorate 111-2 Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation cc:

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Mr. Richard F. Phares Clinton Power Station Illinois Power Company Unit No. 1 CC:

Mr. J. S. Perry Illinois Department Senior Vice President of Nuclear Safety Clinton Power Station Office of Nuclear Facility Safety Post Office Box 678 1035 Outer Park Drive Clinton, Illinois 61727 Springfield, Illinois 62704 Mr. J. A. Miller Manager Nuclear Station Engineering Department Clinton Power Station Post Office Box 678 Clinton, Illinois 61727 Resident Inspector U.S. Nuclear Regulatory Commission RR#3, Box 229 A Clinton, Illinois 61727 Mr. R. T. Hill Licensing Services Manager General Electric Company 175 Curtner Avenue, M/C 481 San Jose, California 95125 R.gional Administrator, Region III 7)9 Roosevelt Road, Building 4 Glen Ellyn, Illinois 60137 Chairman of DeWitt County c/o County Clerk's Office DeWitt County Courthouse Clinton, Illinois 61727 Mr. Robert Neumann Office of Public Counsel State of Illinois Center 100 W. Randolph, Suite 11-300 Chicago, Illinois 60601 Mr. J. W. Blattner Project Manager Sargent & Lundy Engineers 55 East Monroe Street Chicago, Illinois 60603