ML20096A514

FOIA Request for All Correspondence or Other Documents Between UCLA & NRC Re Incident Occurring in Early Feb 1984, Which Led to Current Shutdown of UCLA Research Reactor

ML20096A514
Person / Time
Site:	05000142
Issue date:	04/24/1984
From:	Hirsch D COMMITTEE TO BRIDGE THE GAP
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
FOIA-84-326 NUDOCS 8408310152
Download: ML20096A514 (1)

Text

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COMMITTEE TO BRIDGE THE GAP 1637 BUTLER AVE *t.'E 0203 LOS ANGELES, CAUFORNIA 90025 (213) 478-0829 April 24, 1984 Director U Office of Administration US Nuclear Regulatory Commission Washington, D.C. 20555 C OfM gL, $N RE: F0IA REQUEST

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Dear Madam / Sir:

I This is a request under the Freedom of Information Act, as amended.

I hereby request copies of all correspondence or other documents transmitted between UCLA and the NRC Staff (either at Region V or headquarters) regarding:

(1) the incident which occurred in early February, 1984, which led to the current shutdown of the UCLA research reactor, (2) reasons for the current shutdown and for its continuation into the future, (3) the nature of maintenance, repair, renovation, and/or alteration of the reactor facility to be performed during the shutdown, (4) any request for approval, or analysis of whether said approval should be granted, for the proposed work to be performed on the UCLA reactor facility during the shutdown period.

Because these materials are needed as part of ongoing public interest work in the context of a relicensing proceeding, we request a waiver of production costs.

Please respond to the following address: Committee to Bridge the Gap, PJ0. Box 1186, Ben Lomond, CA 95005; telephone (403) 336-5381 or 429-2486. Thank you.

m Si cerely,.

d C N.

Daniel Hirsch P.S. You need not provide correspondence from UCLA to the Atomic Safety and Licensing Board on the above matters.

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13 February 1984 Di rector Division of Operating Reactors United States Nuclear Regulatory Comission Washington, D.C. 20555 Docket: 50-142 f

Dear Sir:

During the annual reactor calibrations, it was found that two of the control blades exhibited prolonged drop times, one approaching the acceptability limit and one slightly exceeding the limit.

A preliminary investigation has revealed that the' problem resides within the core and not in the external drive trains. Manual torquing of the shafts suggests a thickening of the lubricant in the rod support bearings. There is no indication of roughness or points of hangup, but rather a steady viscous drag.

It is well known that lubricants deteriorate in radiation fields. This kind of ,/ bM) rod behavior has been observed previously at UCLA and was expected to recur &

although the life of the lubricant and hence the timing of the phenomenon was plp-unknown.

{h This report is filed in compliance with our Technical Specification VIII.M.2.N All reactor operations have been suspended pending correction of the problem. '

Sincerely, Y i 444.[ /d i '

\

t Walter F. Wegst,-Director Office of Research &

WFW/NC0/jb Occupational Safety l

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