ML20028F953

From kanterella
Jump to navigation Jump to search
PNS-I-82-010:on 820816,manual Isolation Stop Valve to Air Start Motors for 2C Diesel Generator Found in Shut Position. Possibly Caused by Deliberate Tampering.Operability Checks of All Rotating ECCS Equipment Conducted
ML20028F953
Person / Time
Site: 05000000, Salem
Issue date: 08/17/1982
From: Keimig R, Lester Tripp
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:
Shared Package
ML20027A699 List:
References
FOIA-82-530 PNS-I-82-010, PNS-I-82-10, NUDOCS 8302070218
Download: ML20028F953 (2)


Text

_ _ i _1 -

)

DCS No: Fo-2 A t.cH6 -

~

Data 4ug4}'

A 1932.

i:

t i

. _dMINARY NOTIFICATION OF SAH! GUARDS EVENT-PNS-I c2-10.

k of ev o QOldhE. national This preliminary notification constitutes EARLY no The inf tion is.

nitTally received with-acurity or public interest significance.

out verification or evaluation,and is basically all h t is by the Region I staff W cn this date.

'b Facility:

Public Service Electric and Gas Co.

-Licens rgency Classification:

tification of Unusual Event Salem Nuclear Generating Station,-

x _ Alert 3.

Unit 2 n

Site Area Emergency -

Docket No.

50-311 1

General Emargency

._ Not Applicable

Subject:

SUSPECTED EQUIPME!G TAMPERING at approximately 5525 p.m., a shift equipment operator on tour found "-

On August 16, 1982,

.the manual isolation stop valvd to each set of two air start motors (four total) for th r2C Diesel Generator (DG) in the shut position.

, or manual start of the DG (one of three). The operator stated that these valves, which r '

i.are part of his routine check during rounds, were open at about 5:00 p.m. on August 15.

Subsequent investigation by site personnel found no reason'for the position of the valves":

being changed during that interval and established that these valves were open at about i 1-Although work activities were in progress in the DG area.during' 1:00 p.m. on August 16.'is time interval, hone should have involved manipulation of these stop

"**8 f deliberate tampering, the licensee conducted operability checks l' r.

,,se to the possibility,9 l generators, inspected various

.of all rotating ECCS equipnent,. started and loaded all diese

. motor control centers"and safety related electrical panels, and sampled all fuel and wate 1 tanks.. Equipment checks identified no other abnonnal condit:f ons.

cmaasures, initiated after a suspected tampering event on August 9, were still in place.

~

managenent presence on site at all times, once-per-shift position verifi 6 mcation of important to safety valves and electrical equipment, and increased surveillance i?

a:These included:

.by security and supervisory personnel.

,.At 8:45 p.m. on August 16 when the mispositioned valves could not be explained.. the lice
.i
  • potified the Senior Resident Inspector of a suspected act of tampering.

, u

~

NRC received notification of this event from the S'enior Resident Inspector at 9
00 p.m. on After declaring.an Unusual Event at 10
00 p.m., the licensee notified the NRC August 16.

t d to :

r Duty Officer, state and local agencies, and the FBI. "The Resident Inspector re urne pthe site at 11:00 p.m. to confinn licensee actions.i The IAT was i

.iinvestigation team arrived on site at about 1:00 a.m. today, and their investigation is Region I management and IE representatives will meet with licensee management continuing.

at 2:00 p.m. today to discuss appropriate additional actions to.be taken.

i

/

8302070218 821221 PDR FOIA SHOLLYO2-530 PDR Region I Form 83 (Rev. he,1982) 50

32-10 2

Due to the previous event of August 9, which resulted in a trip of Unit 1 (raference PNS-!.it I-82-09), media interest is expected.

The licensee has < issued a press release.1 NRC has"I

responded to inquiries.

The State of New Jersey was notified by the licenseep ' This 8 *' 8!f

information is cur, rent as of 11:30 a.m. today.

T' CONTACT:

L. Tripp R. R. Keimig-3i t

488-1227 1

488-1224 F

DIS 17tIBlITION: -

H. St.

FJGB Phillips E/W ~ -

Willste Mail:' ADM:D% r ;t.'

~'

Chairman Palladino EDO NRR IE '-

' NMSS * !;: r

' i" r i '~. t,. -

DOT:Trans.'Only 01A'

' ! RES

'd " -

Can:. Gilinsky -

PA Cc.n..Ahearne MPA AEOD ' l' o' 1 - i F M

"! i 6 "' ' it b 4 ' '

Com. Roberts ELD 8 ': '4"

a"'!"'*

Com.' Asselstine

'r 7*

ACRS Air Rights INPO M M f/M ' C C'.I '! 3 du14

i' -

t SECY SP NSAC k Nar.SC/4 ?j.09,*'r '9:'~3 i :

CA

  • PDR' Regional Offices

' 1MI Resident Section.'

-3 RI Resident Office f

Licensee:

_A o

.ncgp q p

t

. h _.

(Reactor Licensees) i II 1.

If I 11 e

6 p

e 9

e e

a e

,m