ML20050C186

LER 82-006/01T-0:on 820310,levels in Fire Protection Tanks a & B Fell to Approx 85,000 Gallons Each as Result of Inadvertent Actuation of Fire Protection Deluge Sys on Cooling Tower 1A.Caused by Personnel Error

ML20050C186
Person / Time
Site:	Farley
Issue date:	03/19/1982
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20050C183	List: ML20050C182 ML20050C186
References
LER-82-006-01T, LER-82-6-1T, NUDOCS 8204080253
Download: ML20050C186 (2)

Text

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{Tl7]8l 9A l L LICENSEE l J l MCODE l F l 1 l@l15 0 l 0 l - l 0 lLICErdSE 14 0 l 0NUw3Fl 0 r4l 0 l- l 0 l 0 ?$l@(.64 l 1LICENSE l 1 l T1v PE l 1JOl@l57 l CATSd l@

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i 8 60 ." til DOCKEYNV98En M 69 EVENT DATE 74 75 HEPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h '

lO 121 l At 0800 on 3/10/82 the levels in Fire Pretection Tanks A and B fell to approximately [

[o13l l 85,000 gallons each, as a result of an inadvertent actuation of the fire protection l

lol.l l deluge system on cooling tower lA. Technical Specification 3.7.11.1, in part, requires l

[ o l 3 l l a tank level of 250,000 gallons. Tech. Spec. 3. 7.11.1 action statement requirements  ;

' I O l e l l we re me t . Health / safety of the public was not affected. l 10171 1 1 10181 l l 7 8 9 80 S Y S T E *.4 CAurE C AUS E COYP. VALVE CCDE CODE SU0 CODE COMPOtJENT C00E SUSCODE SUSCODE lolol I A l B lh Wh [_Bjh l Z l Z l Z l Z l Z l Z lh l Z lh l Z l h 7 8 9 10 11 12 13 Id 19 20

,, SE QUENit AL OCCUAAENCE REPORT R E VISION tin no EVENT vEan REPORT NO. CODE TYPE NO.

O ,qtlgt, l8121 JJ 1-1 23 1010161 24 26 1-l 10111 29 IT I 30 l-l [0j

_JI 27 28 31 32 TAKE A T1 O FLA I T HOURS S B IT D F H UB SLIPLIE VA FA TURER

[JJ@[ Z,j@ [JLj@ [ Zj@ l O ! 0 l 010 l' IY l@ lNl@ l43Z l@ l44Z l 9 l 9 l 9 l(5 31 38 n 3G 31 40 41 42 47 CAUSE DESCnlPTION AND CORRECTIVE ACTIONS liIOIlThe inadvertent actuation was caused by personnel error. The air compressor which i

[ i I i ] l normally supplies air for the fire suppression system was inoperable. A bottle of I

, , l nitrogen was temporarily installed to provide the necessary pressure. When the bottle j g l was routinely replaced the regulator setting was not properly adjusted. When the l

[ pressure in the fire header decreased due to normal leakage, the regulator did not l

' i e 9 (Attached) 80 ST t) 8 6PQWER OTHER STATUS BISCO RY DISCOVERY DESCRIPTION

(,,i_,[J_j l Elh l 0 l 0 l 2 l@l NA l W @l4s Operational Event l

' ' '2 o 44 45 80 A2TiviTv co'Ot E N T RELE ASED OF AELFME AMOUNT OF ACitViTV LOCATION OF RELEASE i 6 NA l l NA 7 8 9 W @ (_Z_l@l to 11 44 45 80 l

PEftSUNNEL f xPOsunES NOU8E R TYPE DESCRIPTION NA l I l 2 l l 0 ] 0 l 0 l@l Z l@l l PEnseNNEt insuZES -

Nover n nESCniPriONh y l0l0l0l@l NA l 7 8 9 11 12 80 LOSS OF 054 oAVAGE TQ F AC{()TV 4 .. TVPE DE SCRIP TION

, d (_Zj@l NA l t e 9 10 60 t%UE ' =

l ' l l l l l l l'l, l l l l l

[j_l o_1 LN_ @DESCRIPitON l N.i 7 8 9 10 68 69 80 ".

i 8204000253 820319 G. Hairston, III PwoNE: (205) 899-5156 '.

• PDR ADOCK 05000348 O PDR - - - - - - - - - . . _ _ - -

. . . . . _ . - -_. .- . . _ , . - ~ _. .

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• LER 82-006/OlT-0 CAIJSE DESCRIPTION AND 00RRECIIVE ACTIONS open.to maintain the proper pressure. The nitrogen pressure slowly decreased to the point where the clapper valve opened and the deluge system activated. The fire protection deluge system was secured and the tanks were restored to the required levels. The fire protection deluge system was declared operable at 1840 on 3/10/82. The personnel involved in changing the bottle out have been instructed on the proper methods.

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