05000395/LER-1982-015, Forwards LER 82-015/03L-0.Detailed Event Analysis Encl

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Forwards LER 82-015/03L-0.Detailed Event Analysis Encl
ML20027D936
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 11/02/1982
From: Dixon O
SOUTH CAROLINA ELECTRIC & GAS CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20027D937 List:
References
NUDOCS 8211100407
Download: ML20027D936 (2)
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LER-1982-015, Forwards LER 82-015/03L-0.Detailed Event Analysis Encl
Event date:
Report date:
3951982015R00 - NRC Website
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SOUTH CAROLINA ELECTRIC & GAFCOMPANY.

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CoLuusiA. south CAnoLINA 29218 P h,-

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1982 0l uveY,'[~o', 'n$r"[on.

November 2, m

Mr. James P. O'Reilly, Director U.S. Nuclear Regulatory Commission Region II, Suite 3100 101 Marietta Street, N.W.

Atlanta, Georgia 30303

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SUBJECT:

Virgii' C.

Summer Ndclear Station Docket No.,50/395 -

Operating License-No.3 NPP-12 Thirty. Day WN tt~en Repoch'

'LER 82-015 e

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Dear Mr. O'Reilly:

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Please find attached Licensee Event Report #'OP-015 for Virgil i

C.

Summer Nuclear Station.

This Thirty Day Report,,is required

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by Technical Specification 6.9.1.13,(b) as a result of entry into Action Statement 17 of Technical Specificatior. 3.3. 2, s,

" Engineered Safety Feature Actuation System >Iaste

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j and Action Statement 26 of -Technical SpecificatYo/. mentation,"

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" Radiation Monitoring Instrumentation," on October 3,'1982. ^~

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Should there be any questions, plpase call us at your

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convenience.

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, Very truly yours,

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Cyrus O.* J. Braddick v

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Whitaker, Jr.

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Mr.-James P. O'Reilly LER No. 82-015<

Page Two -

Nove,mber 2,.1982

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DETAILED DESCRIPTION OF EVENT On October 3, 1982, at 1008 hours0.0117 days <br />0.28 hours <br />0.00167 weeks <br />3.83544e-4 months <br />, with the Plant operating in Mode 3, the' sample' pumps on-Radiation Monitor RMA-2 (Reactor Building Air. Sample) tripped due to overheated. conditions in the cabinet. ' RMA-2 is required to be operable by Technical Specifications 3'.3.'2 [ Table 3 3-3, Item 3. C.(2)], and 3.3 3.1

[ Table 3 3-6, Item 1.b.(ii)].

The Action Statements of both Technical Specifications were complied with.

The doors on the Radiation Moni, tor cabinet were opened in order to allow the pumps to cool.

The, pumps were restarted, and the monitor was

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returned to service".o.7 0ctober 3, 1982, at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />.

v PROBABLE CONSEQUENCE $

There were no ady onsequences in that the Action Statement of,hoth Technica'

.fications referenced above were complied

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'" with. * (The Reactor Building Purge Isolation Valves were closed, 2

and. redundant means were available for Reactor Coolant System e

leak detection.)

Also 'there was no radiation inventory

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ava'ilable sin (e t)ie Pla,nt had inot yet achieved initial.

criticality.

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%-Li, CAUSE(S) 0F THE OCCURRENCE u.

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( \\.N A The cause of the occurrence'was that the sample pumps in RMA-2 cabinet tripped pn overheated,pondition due to inadequate

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6 IMMEDIATE CORRECTIVE ACTION 5 iAKEN sp.

Immediate cori'ective action-was taken to open the cabinet doors in order to allow the pumps to cool.

The pumps were then restarted and'RMA-2 whs returned to service.

The monitor was odt of service yor approximately,four (4) hours.

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ACTION TAKEN TO_ PREVENT RCCURRENCE

.A Station Modification Request Form (MRF-10317) has been x

,s \\ initiated in order to perform,an'epgineering evaluation of the

( overheating condition.. The results,of this evaluation will

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determine any jequired modifications to the cabinet.

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