ML19242A386

LER 79-035/01T-0 on 790706:insp Program,Performed in Response to IE Bulletin 79-02,revealed 18 shell-type Anchors Which Failed to Torque Properly.Caused by Incorrect Installation.Anchors Properly Replaced

ML19242A386
Person / Time
Site:	Peach Bottom
Issue date:	07/20/1979
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19242A375	List: ML19242A374 ML19242A386
References
LER-79-035-01T, LER-79-35-1T, NUDOCS 7908010546
Download: ML19242A386 (3)

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,' Unit , 2 LICENSEE EVENT REPORT ReporC No. 2-79-35/1T-0 CONTROL BLOCK: l l l l l ) lh (PLEASE PRINT OR TYPE ALL REculRED INFORMATIONI i e L_8 IIP lAlP B lS l2 ( @l 0l 0l LICENSEE CODE 15 l0 l LICENSE Ol 0lNUMBER 0l 0 l -l O l 0 l@l 25 4 l 1L6lCENSE 26 1 l ITYPE ! 1 Jol@l5 7 CAl'T b8l@

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7RSIILl@l0l5101-l012 60 61 17 17 l@l DOCKET NUMB ER 66 o l 71016 t>9 l 7 l 9 l@l01712 EVENT OATE 24 75 !OOATE REPORT 17 1980l@

EVENT DESCRIPTION AND PRoBA8LE CONSEQUENCES h

,,_J 2_j l Insvection progran performed in response to IE Bulletin 79-02 identified i y1 18 shell type anchors which failed to torque properly. These anchors are l

.; l I associated with the energency c,ooling water piping supports. The piping ]

s 1 is only used in unusual events such as flood and loss of Conovir@ Pond. I s  ! It is unlikely that riving integrity could be affected by these anchor l 4 7 l test failures. Safety simificance is therefore mind =al. I I

2I se 80 ODE CODE SUSC E COMPONENT CODE SUS D'E SU E 9

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a 30 si 2 i3 is se 20 SEQU E NTI AL OCCURRENCE REPORT REVISION EVENT YE AR REPORT NO. COOE TYPE N O.

L O" yu'Eauy7R/RO 17191 l-l I O 13 l 5 l l/l l0l1l lTl [_) l01

, 21 22 23 24 26 71 28 29 30 38 32 K N AC ON ONP NT MET HOURS S 8 iTT D FOR bu s. SUPPLIE R MANUFACTURER

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42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS gl Anchors were incorrectly installed in the grout beneath the support l g] plate $nstead of the structural concrete. All test failed anchors were I

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7 l preparly replaced and successfully tested by 7/10/79 i I

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_Li ] I e0 e o STA S  % POWER oTHER STATUS 085 V RY OISCOVERY DESCRIPTION 5 dj@ l 1 l 0 l 0 @l U/3 at 98% l l Dl@l Work on IE Bulletin 79-02 l ACTivlVY CO TENT RELEASE 9 OF RELE ASE AMOUNT OF ACTivlTY LOCATION OF RELEASE o n/A I I ~n/A l 8 9 LzJ @ liOz l@l il 44 45 80 PERSONNEL FXPOSUHES ,

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NUM8ER TYPE DESCRIPTION E ' 4 ,'

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.. n l 80 8 9 it i2 LC% OF OH DAMAGE TO FACILITY

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PU8LICITY NRC USE ONLY

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l'.Suto@l N/A I IIIIIIIIIIIII2 68 69 80 3 M 9 10 .,

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