ML20195G622
| ML20195G622 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 06/16/1988 |
| From: | Greenman E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Larson C NORTHERN STATES POWER CO. |
| References | |
| IEB-85-003, IEB-85-3, NUDOCS 8806280072 | |
| Download: ML20195G622 (2) | |
Text
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JUN 161988 Docket No. 50-282 Docket No. 50-306 Northern States Power Company ATTN: Mr. C. E. Larson Vice President, Nuclear Generation 414 Nicollet Mall Minneapolis, MN 55401 Gentlemen:
Your letters of May 12, July 14, September 12, and November 26, 1986, contained your response to IEB 85-03, "Motor-0perated Valve Common Mode Failures During Plant Transients Due to Improper Switch Settings". The review of these responses led to the issuance of a request for additional infomation on April 3,1987, and response by you on April 28, 1987.
Review of this additional information indicates that your selection of the applicable safety-related valves, the valves' maximum differential pressures and your program to assure valve operability requested by action item e. of the bulletin is now acceptable.
The results of our inspections to verify proper implementation of this program and the review of the t..tal response required by action item f. of the bulletin will be addressed in forthcoming inspection reports, fYk f Edward G. Greenman, Director Division of Reactor Projects See Attached Distribution 1
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Distribution
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E. L. Watzl, Plant Manager
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Licensing Fee Management Branch Resident Inspector, RIII Prairie Island Resident Inspector, RIII Monticello John W. Ferman, Ph.D.,
Nuclear Engineer, MPCA State Liaison Officer, State of Minnesota R. J. Kiessel, NRR D. C. Diianni, NRR 8