ML20069B305
| ML20069B305 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 12/17/1981 |
| From: | Manry M GEORGIA POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8112240169 | |
| Download: ML20069B305 (2) | |
Text
7 o
_Z(-
j se c,
m mn s
Rf C.,
Q 01 BAXIEY, GIIRGIA 31513 i ec d
IMi Mt. MIS P. O'REll1Y q
DT C 2; 3 a
,j_
t INITED SFATES NLEEAR RIullA'llRY GMIISSION 1d C
t '
DIRIGR T INSPIETIm AND IARRCIMENT p
/.7 97 RIE10N II 42 s-
\\
h Sti11E 3100 j
101 MRIEITA STREF
' C.2' ATIAVIA, GL(RGIA 30303 lbtch Unit I and Unit 2, Docket No. 50-321 and 50 366, Notificaticn
SUBJECT:
of Reportable Occurrence No. 50-366/1981-124, Rev.1, REGIONAL DIRECTOR PUTY DIRECTOR POTIFIED:
A. Ibrdin A
ANT TO DIRECTOR DATE: 12-17-81 DlRECTOR, RRPl Inlli: 12-17 81 TIMI: 1556 EST DIRECTOR, EPOS DIRECTOR, ENF/JNy DISCRIPTim & RIRRTABIE OCOMRINCE DIRECTOR, ETl PUBUC AFFAIRS OFFICh Initial Cmditicn the time of occurrence, December 15, 1981, at 0745 CST, thit 1 s in At normal operatim at 99% power and Unit 2 ms in normal operatim at 971 powr.
Nattre of Occurrence A fire main mptured at 0230 EST, fire pumps started and tank 1cvels started dro; ping.
In responding to tie associated annurciations, investigaticn by leak PE0's revealed a fire main Imk in the Icw voltage switchyard of Unit 2.
was isolated at 0257 EST ard tank leal Tech Specs 3.13.2 were violatM, axi rodtred each tank Icrel to 200,000 gallms cach. Tank levels were restored to Tech Specs ly M00 EST. As a result, a review was being mak conceming the status of the redmdant systen.
Dttring this revicw, the Operatims Dept. ms informed by the site Fire Protectico Spcrialist that tic redundant (East) fire sain hM bem previously Isolated for repair of Imks and rew main constrtction, Once this m s determined the valves isolating thit 2 East feeder line was opend, and thit 2 spray sprinkler and hase staticns systems restore to service at 0945 IST.
As a result of this tiac (appmximately 9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br />) involving tie systm revicw, Fire main the Operatims Dept, ms m:rware that Unit 2 systems were isolated.
in thit 2's areas were the cnly arco isolatcd. Unit 1 systms aM mains were As a result, a cnntimous fire mtch and backw fire stppressico for normal.
tin mprotcetal areas ms not restored within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per Tech Specs Also the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> verbal requireamts 3.7.6.1.c, 3.7.6.2.a, and 3.7.6.4.a.
report which was dm by W45 EST m Decmber 16, 1931, was late, because all the pertinent data concerning this event had not been acquired mtil the morning of tie December 16, 1981.
After tre data hM bem reviewal a deviation report es issmd. Ike to this incident the 24 leur verbal report required was late.
Immediate Correctiw Actim C1mrance m the valws isolating Unit 2 feeder ms relmsed and the systes was restord to normal at 0945 EST.
ei12240169 811217 FDR ADOCK 05000 S
l Catte A Imk had occurred in the plant fire protectim min loop on the southeast side of tic plant and that portim of the loop, dich inclulal om of the tw feedlines to linit 2 areas was isolated m 10-22-81. At the same time a rew fire main was being insta11al in the same area 4tch required tre arm to be isolated mtil 12-16-81. As a result the isolaticn of the sain en the West side of the loop, resultal in the thit 2 areas being isolated, m 12-15-81.
Syplammtal Correctim Action A more positim control acans will be developed to track fire system outages.
Status of Redmdant or Backtp Systaes No backtp systtsts available Impact to Other thit Dm to fire main Imk, Iktit I had violated Tech Spa requirtwmts 3.13.2.
requiring 270,000 gallons per tank to meet Tech Spec nquirment.
Justification for Cmtirued Operaticn Fire protecticn requinzent are now fully in cmpliance.
. & ?!):1Y r
"~~
/ [ ant M1 nager
/
u
_.