ML20028D121

LER 82-160/03L-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

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: ML20028D106 ML20028D121
References
LER-82-160-03L, LER-82-160-3L, NUDOCS 8301170111
Download: ML20028D121 (1)

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 1

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(PLE ASE PRINT OR TYPE alt REQUIRED INFORMATION)

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G l GCODE l S l 114l@l15 0 l 0 l- l 0 lLICENSE 0 l 0NUV8ER l 0 l 0 l- l 0 l 025l@l264 l LICENSE 1 l 1 lTYPE 1 l JO l 1 lhl57 CAT $8 l@

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 742 l@l 75 0] 1 l 0 l 7 l 8 l803 lh 7 8 60 61 DOCK ET NUMBE R 68 69 EVENT DATE REPORT DATE 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 o s l minimum required by T.S.3.3.7.9. The event had no effect on the health and safety of l

[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. I I O lH l l i SYSTEY CAUSE CAUsE COY P. VALVE CODE CODE SUSCODE COMPONENT CODE SU8 CODE SUBCODE lol9l 7 8 lAl Bl @ J h lZ lh l Il Nl Sl Tl Rl Ulh Wh W h 9 10 11 12 13 18 19 20 SEQUENTI AL OCCURRENCE REPORT REVISION M R RO _ EVENT YE AR REPORT NO. CODE TYPE NO.

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_ 21 22 23 24 26 27 28 29 30 31 32 AKEt A TO ON PL ANT ETH HOURS SB IT D FO B. SUPPLI R MAN FAC URER jX[glZl@ lZ lg 33 34 35 l36 Zl@ l 0] 0l 0l 0l 3/ 40

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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 i 7 l completion of the maintenance work. An hourly fire watch was conducted during the l

[il3; l event in accordance with T.S.3.3.7.9.a. This is submitted as a final report. l I

11 14 1 l 80 7 8 g STA S  % POWER OTHER STATUS bl5 O RY DISCOVERY DESCRIPTION l115.] Wh l 0l 0l 0l@l NA l W @l Planned Activity l ACTIVITY CO TENT RE LE ASED OF RE LE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 7

1 6 8 9 y @ y@l 10 11 NA 44 l l 45 NA 80 l

PERSONNEL EXPOSURES NUYBE R DESCRIPTION NA l l 0 l 0 l 0 lhlTYPEZlhl i 7 PERSONNE L INJURIES NUVBE R DE SCRIP TION i R NA l l 0 [ 0 l 0 l@l12 _

7 8 9 11 8301170111 830107 Bo

', f,5, "a s^c'3Gk'y '^cTv @ PDR ADOCK 05000416 S PDR g i 9 y @l NA 7 8 9 10 80

' NRC USE ONLY ,

ISSUE DE SCRIP TION 7

2 o N 9 hl 10 NA l 68 69 lllllllllllllj 80 1;;

0riginal Signed by Ron Byrd PHONE- $

NAME OF PREPARER

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