ML20084U260

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LER BFRO-50-296/763:on 760713,eight Alarms Received from Smoke Detectors in Spreading Room B.Caused by Increased Sensitivity Due to Flamemastic Spraying & Low Voltage. Detectors Cleaned
ML20084U260
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 08/11/1976
From: Fox H
TENNESSEE VALLEY AUTHORITY
To: Moseley N
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
LER-BFRO-50-296-763, NUDOCS 8306280384
Download: ML20084U260 (2)


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LICENSEE' EVENT REPORT CONTf40L DLOCK:l l

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LEASE Pattaf ALL REOutnED INrc'tP1AY10N)

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LClfer.t tvlNi LICf NSEC LCENSE NUVALA TYPt t vet NAt/t jlAl1.IBlalr13I I oI ol--Io.l. ol 91 o I o I-I o ! o i I 4I i l 1I ii il I of 31 J9 14 15 25 26 30 31 32 OOCrti NUMDf A (VENT CATC F=f >03*f CA t t i

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CAftCOAY T P 57 50 59_

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!From July 13, 1976 to July 31, 1976. eight alarms were received from smoke deer.ctnr=

l 03 in spreading room B, due to increased sensitivity. The detectors involved were I

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pn:us COMputatNr CC'.*M.t'a systru CAuSE CODE CODE COMPordif47 CODE St#w(n utwscWEH vioLAtua l AlB l (E_)

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17 43 44 47 40 CAUSE GESCR.PTION afflamemnatic..J

' { Kidde smoke detectors needed cleaning or re2_a_cemggt. The inrce amnnne 1

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lrpraying in progress in spreadinn room B_probably ennet.ihneert en ek. o t s,,, e c0 9

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% POWER OTHER STATUS ONCOstav OrSCOvtAY OtSC4P*:Of4 Ik i Alarm received in control roqm___

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. tiOl PERSONNEL EXPOSURES NUMBEH TYPE OLSCRIPTON I

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PERSONNEL INJURIES 1

NUM0tR OLSCA. PION 1101 olo l I

n 60 0D 11 12 OFFSITE CONSEQUENCES I

.jl NA CO UU LOSS OR DAMAGE TO FACIUTY 8306280384 760811 PDR ADOCK 05000296 NA S

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eo ADDITIONAL FACTORS L,.,03_And raised to normn L Bradua1...

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..o El!accumulationofforeignmaterialcausesincreasedsmokedetectorsensitivity.

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TENN*ISSEE VALLEY AUTHORITY

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it CHATTANOOGA. TENNESSEE 374ot to g COPTl We.w16 August 11, lW6 Hr. Nor.nn C. licacicy, Director U.S. Iluclear Regulator / cn niscion Ro$on II 230 Peachtreo stract, Iu., 6th Floor Atlanta, ocor;ia 30303 i

Doar Mr. Hooclcy:

T 2EIIU3EE VALII"I A172IORITI - B1011D FI'RtY IiUCI2:AR FIAllT EIIT 3 -

DOCIGi:T N0. 50-2% - l'ACILITI OPI21ATIIU LICEIDE D.R REPontAnLE oCCuanarcE REroaT Dino-50-2W/763 Bio enclosed report is to provide details concerning cidit alarcs vhich vero roccived fro.2 JuW 13,1976, to July 31, lW6, frots ar.oko detectors in apreadits roo.a D due to scnaitivity. 211a report in cuir.itted in accordanco with Apped E to Regulator /

Guido 1.16, acvision l+, Aucuat 1//5 311a event occurred on Browns Ferry Huclear riant unit 3 9' %

Vor/ truly youra, N

s gMpg Ti2iNE3 GEE VAIJrl AUDDRITI L-v H. D. Ibx Director of Fover Production 4-

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Enclosuro (3)

CC (Enclosuro):

Director (3)

Offico of lunaccuent Infor.mtion and frogreta Control U.3. Haclear 11cculatory Coi. :issiori Washiruton, D.C.

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nivoctor (110) I Offico of Inspection and Enforecaent U.S. Nuclear Regulatory Cou.aission Washington, D.C.

2cS55 COPY SENT REGION,

@GO An Equal Oppos tunity Employer m

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