ML20028F956
| ML20028F956 | |
| Person / Time | |
|---|---|
| Site: | 05000000, Salem |
| Issue date: | 08/16/1982 |
| From: | Keimig R, Martin T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML20027A699 | List: |
| References | |
| FOIA-82-530 PNS-I-82-009, PNS-I-82-9, NUDOCS 8302070228 | |
| Download: ML20028F956 (1) | |
Text
.
l DCSfo:
2{2 1
5 Date:
- 10. 1982 Au/.us L.dINARY SDTIFICATION OF SAFEGUARDS EV T + W '-09 I
V. events of POSSIBLE ni.Qonal This preliminary notification constitutes EAR no ice security or public interest significance.
The i
,, on is as, initially received with..
out verification or evaluation,and is basically all hat is known by the Region I staff
.O on this date.
Facility: Public Service Electric and Licensee Emergency Classification:
Gas Company X __ Notificition of Unusual Event Salta Nuclear 3enerating Alert Station, Unit 1 Site Area Emergency Docket:
50-272 General Emergency..
Not Applicable
Subject:
SUSPECTED EQUIPP.ENT TAMPERING On August 9,1982, at approximately 3:58 p.m., the Unit 1 No.12 Miscellaneous AC 115 Volt Distribution Panel lost its power supply (No.12 Statio.. Essential Controls Inverter).
This led to a loss of control voltage to a number of plant systeins including the No.11 s
l'.ain Feed Pump Turbine. As a result of the steam flow-feed flow mismatch and decreasing levels in the Steam Generators, the senior shift supervisor o~rdered the unit tripped. All safety systems responded normally to the manual trip.
A subsequent investigation into the cause of the event determined that the No.12 Station Essential Controls Inverter breaker v-- in the "off" position.
It was further determined through testing that this position it the " tripped" position associated with any automatic protection action.
It appears
.. this position could only be achieved manually.
Thus, deliberate action.is.syspected.
As an irmediate action. the licensee implemented a number of surveillances of safety related equipment on both units, including start verification of rotating ECCS equipment, start test and loading of the Emergency Diesel Generators, critical valve lineup verifi-cation, inspection of various motor control centers.and safety related panels, and Increased presence of roving patrols throughout the power block.
No other discrepancies i t-Were found. The plant was taken critical at 8:50 a.m. on August 10.
NRC received notification from the licensee via ENS at 4:15 p.m. on August 9.
Region I was also notified by the resident inspector at 5:30 p.m.
The licensee declared an unusual event and made notifications including the FBI. state and local law enforcement agencies.
- i s The IAT was infor:ned.
Reg
- ion I management and a security inspector arrived on site at about 10:00 p.m. on August 9 to review licensee plans and actions with PSE&G management.
Resident and security inspectors remained on-site throughout the night. The FBI and NRC investigators are on-site as of 10:00 a.m., August 10.
Mcdia interest is expected.
The licensee is considering the issuance of a press release at this time. NRC is prepared to respond to inquiries.
The state of !!ew Jersey has' been notified. This inforration is current as of 11:00 a.m. on August 10. 1982.
r^'4 TACT:
T. T. Martin R. R. Keimig 9302070228 821221 PDR FOIA SHOi.f.Y82-530 oDR Region I Form 83 (Rev. Gene, 1982)
J
..