05000220/LER-1980-008, Forwards LER 80-008/03L-0

Forwards LER 80-008/03L-0

ML17053B515
Person / Time
Site:	Nine Mile Point
Issue date:	03/21/1980
From:	Lempges T NIAGARA MOHAWK POWER CORP.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053B516	List: 05000220/LER-1980-008, Forwards LER 80-008/03L-0 05000220/LER-1980-008-03, /03L-0:on 800315,during Steady State Operation, Alarm in Control Room Signaled Loss of Flow to Stack Gas Sampling Sys.Caused by Stack Sample Flow Inlet Valve Failing Closed,Due to Arcing Relay Contacts
References
NMP-2095, NUDOCS 8003310310
Download: ML17053B515 (2)

LER-1980-008, Forwards LER 80-008/03L-0

Event date:
Report date:
2201980008R00 - NRC Website

text

NMP-2095 NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARDWEST. SYRACUSE, N.Y. 13202/TELEPHONE (315) 474-1511 h(arch 21, 1980 (le..

Bogce H.

Grani.e/L, Sme&oa United Siaf:e/ Nues~

ReguLato/Ly Comm@sion - Regin 7

631 Parch Avenue, G'.ng o( Pebble, Penn6yfvaeia 19406 RE:

Dock& No.

50-220 LER 80-08 Oea/L SL.

GmeIL:

7n a@co/I.dance eith Nne hMLe Po~et Nuelea/L S~n U~ <1 Tech'.cd Spew.gcation5 (Env~nmentaZ),

Ive a/I,e hercebg aub~ng Che (oLCouu.ng Wceru ee, Eveet RepoM.

80-08 I0kichL e being sub~ed

~n accordance ~h En'unme~

Techtu.eel Spew'.(~c~on 2.4.4, SpecL g.c~ru (o/L Gaseous Smote Samp&.ng and Mo~mng.

TRQ nepoM um complied ~n Che )orat deII~gnat'ed' NUREG-0161, dated July 1977.

Ve/LI/~y gouIL5, J(~~~gica C

Thomas E.

Lempgm Vie Pau~dent NucZea/1. Gen~on TEL:jL AttachmeIM (3 copiu.)

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{PLEASE PRINT OR TYPE 6

Q'ONTROL BLOCK:

Q LICENSEE CODE 14 15 LICENSE NUMBER ALLREQUIRED INFORMATION)

OLLJ Q<<

LICENSE TYPE 30 57 CAT 58

~QBO 5

0 0

0 2

2 0 Q70 3

1 5

8 0

QB 0

3 2

0 8

OQ9 60 61 DOCKET NUMBER 68 69 EVENT PATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 Durin stead state o eration, an alarm in the control room si nailed

~03 loss of flow to the stack gas sampling system.

Investigation revealed that the stack sample flow inlet valve had failed closed.

Environmental Technical Specification 2.4.4 requires a grab sample be taken every 24

~OB hours with the s stem out of service.

Since the s stem was onl down for four hours the effects on the environment were minimal.

~OB 80 7

8 7

8 9

SYSTE11

CAUSE

CAUSE COMP.

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~ COMPONENTCODE SUBCODE SUBCODE

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9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENTYEAR REPORT No.

CODE TYPE NO Q>>

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~03 QL Q

Qo 21 22 23 24 26 27 28 29 30 31 32 ACTION,FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDX PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

~QIB ~Q19

~Q20

~Q2 0

0 0 ~

Q23

~NQ24

~L Q25 33 34 35 36 37 40 4I 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 0

Investigation of the problem revealed that the relay contacts for the power operated valve were arcing.

Technicians adjusted the contacts to restore the system to service.

No future action is required.

3

~14 7

8 9

FACILITY STATUS W<<POWER OTHERSTATUS Q30 E

0 8

4 NA METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32

~A Q3i ALARM IN CONTROL ROOM 45 LOCATIONOF RELEASE Q NA 45

<<Q7<< ~Q7<<

7 8

9 10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ B

~~

Q33

~~Q34 7

8 9

10 44'ERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~77 ~00 OJQ7>>

Q38 7

8 9

11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 4i

~0.0 OQm 80 80 80 80 7

8 7

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7 8

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11 12 LOSS OF OR DAMAGETo FACILITYQ43 TYPE 7

DESCRIPTION

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10 PUBLICITY ISSUED DESCRIPTION~

WO NA

<<10 NAME OF PREPARER Michael J. Falise 80 68 69 NRC USE ONLY 80

<<I EVA 80 o 0

PHONE:

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