ML19320D147

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Requests Info Re 800624 Loss of Offsite Power Transient at Unit 1.Info Includes Description of Switchyard Operation, Process Computer Printouts of Alarms During Transient & Strip Charts for Primary & Secondary Sys
ML19320D147
Person / Time
Site: Arkansas Nuclear  
Issue date: 07/08/1980
From: Novak T
Office of Nuclear Reactor Regulation
To: Cavanaugh W
ARKANSAS POWER & LIGHT CO.
References
NUDOCS 8007210023
Download: ML19320D147 (2)


Text

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NUCLEAR REGULATORY COMMISSION r., 4,),jj WASHINGTON, D. C 20655 y.ow /

July 8, 1980 Dockets Nos. 50-313 and 50-368 Mr. William Cavanaugh, III Vice President, Generation and Construction Arkansas Power & Light Company P. O. Box 551 Little Rock, Arkansas 72203

Dear Mr. Cavanaugh:

With respect to the loss of offsite power transient which occurred at Arkansas Nuclear One on June 24, 1980, we request that you provide the following information concerning Units Nos. 1 and 2 by July 25, 1980.

1.

A description of the switchyard operation and reasons why the 161 KV power sources were interrupted and not available to the two units.

2.

Process computer printouts o.' alarms during transient.

3.

Operator's logs.

4.

Strip charts.for the primary and secondary systems, e..g.,

those required by Standing Order #J'i.

Sincerely,

'~}

kar- >

T. M. Novak, Assistant Director for Operating Reactors Division of Licensing cc: See next page 8007210 0 & 3

Arkansas Power & Light Company ccw/ enclosure (s):

Mr. David C. Trimble Director, Technical Assessment Manager, Licensing Division Arkansas Power & Light Company Office of Radiation Progr.ns P. O. Box 551 (AW-459)

Little Rock, Arkansas 72203 U. S. Environmental Protection Agency Crystal Mall #2 Mr. James.P. O'Hanlon Arlington, Virginia 20460

_ General Manager Arkansas Nuclear One U. S. Environmental Protection Agency P. O. Box 608 Region VI Office Russellville, Arkansas-72801 ATTN: EIS COORDINATOR 1201 Elm Street Mr. William Johnson First International Building U. S. Nuclear Regulatory Conwission Dallas, Texas 75770 P. O. Box 2090 Russellville, Arkansas 72801 Mr. Robert B. Borsum Director, Bureau of Environmental Babcock & Wilcox Health Services Nuclear Power Generation Division 4815 West Markham Street Suite 420, 7735 Old Georgetown Road Little Rock, Arkansas 72201 Bethesda, Maryland 20014 Troy B. Conner, Jr., Esq.

Conner, Moore & Corber 1747 Pennsylvania Avenue, N.W.

Washington, D.C.

20006 Arkansas Polytechnic College Russellville, Arkansas 72801 Honorable Ermil Grant Acting County Judge of Pope Count)

Pope County Courthouse Russellville, Arkansas 72801 Mr. Paul F. Levy, Director Arkansas Department of Energy 3000 Kavanaugh Little Rock, Arkansas 72205

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