ML19224C417
| ML19224C417 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek  |
| Issue date: | 06/05/1979 |
| From: | Seidle W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Koester G KANSAS GAS & ELECTRIC CO. |
| References | |
| NUDOCS 7907020306 | |
| Download: ML19224C417 (1) | |
Text
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((G-g UNITED STATES
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NUCLEAR REGULATORY COMMISSION REGION IV o, ' r..yj5/p'/
GM RY AN PL AZA DRIVE,5.UITE 1000
,'y ARLINGTON, T E X AS 1G012 June 6, 1979 Docket tio. STfl 50-482 Kansas Gas and Electric Conpany ATTil: Mr. Glenn L. Koester Vice President-Operations Post Office Box 208 Wichita, Kansas 67201 Gentlemen:
Enclosed is supplement AR to Preliminary flotification PN0-79-67, " Nuclear Incident at Three Mile Island," dated June 4,1979.
Should you have any questions regarding this review, please contact this office.
Sincerely,
/> b N-C W.C.Sei(1), Chief Reactor Construction and Engineering Support Branch
Enclosure:
PNO-79-67AR cc: w/ enclosure Messrs.
Nicholas A. Petrick, SNUPPS D. T. McPhee, Kansas City Power and Light Company Gerald Charnoff, Shaw, Pittman, Potts & Trowbridge E. W. Creel, Kansas Gas and Electric Company 271 141 7907020]c.(
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E IMMEDIATE PRELIMINARY NOTIFICATION June 4, 1979 PRELIMINARY NOTIFICATION OF AN EVENT OR UNUSUAL OCCURRENCE -- FNO-79-67AR This preliminary cotification provides updated informati,c,n of safety or public
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interest significance.
Facility: Three Mile Island Unit 2 Middletown, Pennsylvania (DN 50-320)
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Subject:
NUCLEAR INCIDENT AT THREE MILE ISLAND r
Operational:
1.
The average coolant temperature is 157 degrees F and being maintained around that temperature by natural circulation. Pressure is about 340 psi with the pressurizer in solid operation.
Steam is being admitted to the main condenser through the turbine bypass valve from the A Steam Generator.
The highest incore temperature reading is 286*F.
2.
Water level in the reactor building is being measured daily, and was 7.0 feet above floor level this morning.
3.
Prdoperstional testing remains in progress for the Spent Fuel Pool Tank Farm, Once-Through Steam Generatar "B" Long-Tem Cooling System, and the p
codified rad waste treat 2::ent system (EPICOR).
The testirig is scheduled y-for ccepletion by June 8.
The pressure / volume control system is due to be turned over for preoperational testing in a few days.
4.
An individual posing as an employee of a legitimate contractor at TMI-2
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attecpted to gain access to the site at 10:45 p.m. on June 2,1979. The person did not have a site photo identification badge and was refused access by the security guard at tLe south gate. The individual left the site access area while the guard was at.cmpting to verify his identity.
The guard obtained the imposter's vel.icle license number (California plate). The individual has been tentatively identified by the Pennsylvania State Police. No fuither action 2s planned by the licensee.
Additional follovup of this matter will be conducted by the Region I office.
5.
',PNO-79-67T reported:
"The hydrogen recombiner tripped off at 0115 on April 13 (burned out heater-)... A decision had not been made whether to replace the heaters or to initiar.e operation of the backup recombiner."
It was later determined that the recombinar tri was caused bv a shorted quick-disconnect plug. The failur-3 returned to operation on April 15.
DUPLICATE DOCUMENT
,Hi 142
. Entire document previously entered Environmental Status into system under:
Environmental radiation levels continue hh h
E levels.
Airborne relesses have been be ANO During the period May 29 - June 4, appr r_
No. of pages:
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