05000416/LER-1982-160-03, /03L-0:on 821208,smoke Detectors N603A & B in Zone 2-18 Covered to Prevent Actuation While Welding in Progress.Caused by Planned Maint Activity.Fire Watch Established.Detectors Returned to Svc

/03L-0:on 821208,smoke Detectors N603A & B in Zone 2-18 Covered to Prevent Actuation While Welding in Progress.Caused by Planned Maint Activity.Fire Watch Established.Detectors Returned to Svc

ML20028D121
Person / Time
Site:	Grand Gulf
Issue date:	01/07/1983
From:	Byrd R MISSISSIPPI POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20028D107	List: 05000416/LER-1982-160, Forwards LER 82-160/03L-0 05000416/LER-1982-160-03, /03L-0:on 821208,smoke Detectors N603A & B in Zone 2-18 Covered to Prevent Actuation While Welding in Progress.Caused by Planned Maint Activity.Fire Watch Established.Detectors Returned to Svc
References
LER-82-160-03L, LER-82-160-3L, NUDOCS 8301170111
Download: ML20028D121 (1)

LER-1982-160, /03L-0:on 821208,smoke Detectors N603A & B in Zone 2-18 Covered to Prevent Actuation While Welding in Progress.Caused by Planned Maint Activity.Fire Watch Established.Detectors Returned to Svc

Event date:
Report date:
4161982160R03 - NRC Website

text

NRC FORM 366 U. S. NUCLE AR REGUL ATORY COMMISS.lON (7-77)

LICENSEE EVENT REPORT Attachment to AECM-83/009 Page 1 of 1 CONTROL BLOCK: l l

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l l lh (PLE ASE PRINT OR TYPE alt REQUIRED INFORMATION) 1 6

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7 8 9 LICENSEE CODE 14 15 LICENSE NUV8ER 25 26 LICENSE TYPE JO 57 CAT $8 CON'T lOlil S$Ry % @l 0 l5 l 0 l 0 l 0 l 4 l 1 l 6 l@l 1 l 2 l 0 l 8 l 8 l 2 l@l 0] 1 l 0 l 7 l 8 l 3 lh 7

8 60 61 DOCK ET NUMBE R 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h IO I2l lOn December 8, 1982, smoke detectors N603A and B in Zone 2-18 (Auxilinry Buildine Fanel [Ol3l l Corridor, 119 feet elevation) were covered to prevent actuation while weldine was in l y l progress in the area.

This left the number of operable instruments less than the I

l minimum required by T.S.3.3.7.9.

The event had no effect on the health and safety of l o s [olT) l the public and did not constitute a threat to nlant safety.

This is beine renorted I

l o l 7 l l pursuant to T.S.6.9.1.13.b.

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CAUSE

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VALVE CODE CODE SUSCODE COMPONENT CODE SU8 CODE SUBCODE lol9l lAl Bl @ J h lZ lh l Il Nl Sl Tl Rl Ulh Wh W h 7

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10 11 12 13 18 19 20 SEQUENTI AL OCCURRENCE REPORT REVISION

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40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS lilollThe cause of the inoperable smoke detectors were due to a planned maintenance l

li j i l l activity. The detectors were returned to service on December 10. 1982 followine I

l completion of the maintenance work. An hourly fire watch was conducted during the l

i 7 [il3; l event in accordance with T.S.3.3.7.9.a.

This is submitted as a final report.

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8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUYBE R

DESCRIPTION

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i 7 PERSONNE L INJURIES NUVBE R DE SCRIP TION l 0 [ 0 l 0 l@l NA l

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7 N 9 10 0riginal Signed by Ron Byrd PHONE-NAME OF PREPARER