ML18037A305

LER 80-018/03L-0:on 800808,during Normal Operation, Emergency Diesel Generator 103 Fuel Oil Day Tank Low Level Alarm Was Received.Caused by Inadvertent Opening of Day Tank Drain Valve.Tank Refilled.Oil Valve Sys Locked

ML18037A305
Person / Time
Site:	Nine Mile Point
Issue date:	09/05/1980
From:	Harrison P NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053B910	List: ML17053B909 ML18037A305
References
LER-80-018-03L, LER-80-18-3L, NUDOCS 8009150266
Download: ML18037A305 (2)

Text

~. NRC FORM 3GG U. S. NUCLEAR REGULATORY COMMISSION (7-77)

LICENSEE EVENT REPORT

[os]

1 CON'T 8 9 COIVTROL BLOCK:

N Y N M LICENSEE CODE P 14 'IG 0

<<<<0 6

QI 2

LICENSE NUMBER 2 00g 0 8

<<0'>>>> 04~05

{PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 0 8 25 8

26 0

LICENSE TYPE 0 9 0 30

\

5 57 CAT 58 8 0 Og

~o ~LQs 0 5 0 0 68 69 EVENT DATE 74 Qs 75 REPORT DATE 80 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Qlo Durin normal o eration Emer enc Diesel Generator 8103 fuel oil da tank

~O3 low level alarm was received. U on o erator res onse to the alarm it was discovered that the da tank had drained to the outside fuel stora e tank

~OG rendering the diesel ino erable. Xt was determined that there was no

~OG si nificant effect on safe lant o eration.

~O7

~OB 80 7 8 9 SYSTEM CAUSE CAUSE COMP VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE LzzEJQ>> x Q>> L~JQ>> V A L V E x Q>< ~EQ>> ~P C>>,I 1 8 9 10 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION 017 LER/RO REPogT ACTION .FUTURE EVENT YEAR

~80 21 22 EFFECT

+

23 SHUTDOWN

~01 24 REPORT No.

8 26

+a 27

~03 28 ATTACHMENT CODE 29 NPRD 4 TYPE

~L 30 PRIME COMP.

Q 31 NO.

+0 32 COMPONENT TAKEN ACTION 33 Ql8 ~0Q19 34 ON PLANT

~20go 35

~0 METHOD 36 37 HOURS &22 0

40 SUBIIITTEO pJQgs 41 FORM SUB.

~@4 42 SUPPLIER

~0'-'

43 44 MANUFACTURER

'gg 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27

~lo This was caused by an inadvertant o enin of the da tank drain valve. The subject diesel generator was declared ino erable and the redundant diesel en-erator //102 was immediately run to demonstrate operability. Simultaneousl f3103 3 day tank was refilled with fuel oil, and subsequently proven o erable b the appropriate surveillance test. Tn addition, all valves in the fuel oil (OVER) 7 8 9 80 FACILITY STATUS  % POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 E Qgs ~09 5 Qgo N/A ~A Q31 'ONTROL BOARD ALARM 80 7 8 9 10 12 13 44 45 46 ACTIVITY CONTENT Q Q 7

G 8

~

RELEASEO OF RELEASE 9

Q33 ~ZQ34 10 EXPOSURES II N/A AMOUNT OF ACTIVITY 44'ERSONNEL 45 N/A LOCATION OF RELEASE 80 NUMBER TYPE DESCRIPTION Q39 7 ~00 0 Qgt 2 Qgs N/A 80 1 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION QI

~oo o Q, N/A 80 9 11 12 LOSS OF OR DAMAGE To FACILITY TYPE DESCRIPTION Q43 Z Q4, N/A 7 8 9 10 80 PUBLICITY NRC USE ONLY o

ISSUED DESCRIPTION

+/ 80 8 10 gQ 09>> 68 69 NAME DF PRFPARER >aul Harrison PHDNE: 315 343 2110 ~ ezt ~ 1212 Eg

systems were secured with chians and locks to prevent future recurrances of this type of event.