ML19242A672

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Notifies of RO 50-259/79-15 on 790723:during Field Insp Bolts Were Found to Be Not Installed in Accordance W/Design Specs.Insp & Evaluation Continues
ML19242A672
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 07/24/1979
From: Dewease J
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 7908030378
Download: ML19242A672 (2)


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r' TE1200PY TO MRC July 24, 1979 USNRC REGl:,N.

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1suetear it*Cu14L Ty tht aeinn Ib legion 11 101 Marietta Streeb Atlanta. ceorata 30303 (9 aq N P 3 : y 571t0-50-199/7913 kaported tmd*r Technical Specificacion 4.7.1.a.(9)

Unit.a 1, 2, and 3 Date of occurrence July 23,1979 h e of occurrencet 5 p.m.

Technical $pacif teation involved:

K/A Dutra 1, 2, and 3 in normal operation.

Conditions Prior to Occurronec:

In accordance with IE N11= tin Idantifiestion and DescrLption of Occurrence:

79-02 and 79 02, Ravision 1, field inspection of the subject anchor bolts Thus f ar in the inspecticm program, M bolt anchofs have been inspected for proper inst.silation is safety-related piping syste.s and is underway.

to have been inspected and also pull-teated La non-eaiety-rt Lat+d sys tans.

results are as follove:

'Ibe non-sa f ety-r:12 tad inspection and test As found Otmlif f m Unie len, Inadaetad Sve can Aur.11Lary Bollar

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? - el l pped Conenem 18 14 - wat.Isfactory (Prt11mluatry aveluation by 79A's Division of Engineert:2 pesign indicsin t.bc shon piptn/q hangers meet the design specifications.)

follows, Iba aa.iety-rata:M inspection rss91cv ar= as As-Fand Condition Su ham Unit wo. Inspected S; andby Liquid Control 32 - catisf actory 1

32 2 - eut off apprei-1 12 containment Air Perse 1:nately 1/2" on thrsaded EDd (Mcct P w191m==

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t 10 - s.s tisfactory Tatt,allation was not in accordanc, with design speci-Apparent cause of Occurrence-The apfarent Ouse of occurrence ce fications en non-Saf ety-relatad s<fstems.

id inter-the safety-relatad-eystass-aens due to the anchors beleg eur off to avo 9

ference with th rainforets,g bec.r g+tu, p f '. t:; p t r;pu k )p,'

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mJCDPY TO NRC July 24, 1879 V. 5, Itucitar Regulatory Cennission BFRO-50-239/7913 Deviations frua destgo speciff saf jons bava Corrective Action Taken or flanned:

De potential exists for similar been found im non-saf ety-reist.ed systsses.

deviations in safety-related areas; therefor *, we are evhsitting this ear 1r Y/A's Division of Znsitteering Design is currently evaluating notification.

results of the 11ald inspection progra:a.

Inspections ara continuing, 9</m 6

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C. Det.mase Power Plant Superintendent Brenens Ferry 11oclear Plant

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