ML20134N029

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Forwards Informal Ltr Rept, Feasibility of Detecting PWR Thermal Shield Support Degradation Using Ex-Core Neutron Noise, for Info & Use
ML20134N029
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 08/23/1985
From: Butcher E
Office of Nuclear Reactor Regulation
To: Andrews R
OMAHA PUBLIC POWER DISTRICT
Shared Package
ML20134N032 List:
References
NUDOCS 8509040393
Download: ML20134N029 (2)


Text

._

fl August 23, 1985 DISTRIBUTION:

Docket No. 50-285

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. ^NRC~PDR' DSells L PDR D0sborne ORB #3 Rdg PSears Mr. R. L. Andrews HThompson Division Manager - Nuclear Production OELD Omaha Public Power District EJordan

'1623 Harney Street BGrimes Omaha, Nebraska 68102 JPartlow ETourigny

Dear Mr. Andrews:

By letter dated March 2,1984, Mr. R. R. Mills of Combustion Engineering, Inc.

provided Mr. E. G. Tourfgny of this office copies of magnetic tapes for Fort Calhoun Station excore-detector monitoring. 'The tapes were authorized to be released by Mr. T. McIvor of the Omaha Public Power District, and they were to be used in a NRC sponsored study on the feasibility of detecting PWR thermal shield support degradation using excore neutron noise. The study has been com-pleted and a copy is enclosed for your information and use. We thank you for your contribution to the study.

Sincerely, Edward J. Butcher, Acting Chief Operating Reactors Branch #3 Division of Licensing

Enclosure:

As stated cc w/ enclosure See next page-ORB #3:DL I L 0 St/tzer 'our gny: Edu}t<:her 8 /85 8/;2/85 8/g2/35 8509040393 850823 G PDR ADOCK 05000285 P PDR w- _ _ - _ _ - _ _ _ - _ _ -. - - _ -

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l Mr. R. L. Andrews Fort Calhoun Station Omaha Public Power District Unit No. 1 cc:

Harry H. Voigt, Esq.

LeBoeuf, Lamb, Leiby & MacRae 1333 New Hampshire Avenue, NW Washington, D.C. 20036 Mr. Jack Jensen, Chairnen Washington County Board of Supervisors Blair, Nebraska 68023

, Metropolitan Planning Agency ATTN: Dagnia Prieditis 7000 West Center Road Omaha, Nebraska 68107 Resident Inspector U.S. Nuclear Regulatory Connission P. O. Box 309 Fort Calhoun, Nebraska 68023 Mr. Charles B. Brinkman, Manager Washington Nuclear Operatint C-E Power Systems 7910 Woodmont Avenue Bethesda, Maryland 20814 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Office of Executive Director for Operations 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011

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