ML20151C193

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AO 20-75:on 751218,30-inch Ventilation Pipe Contacted by Power Showel During Const Activity.Caused by Inadequate Administrative Controls Re Preparation & Review of Const Activity.Work Activity Stopped.Engineering Review Requested
ML20151C193
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 12/19/1975
From: Sewell R
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
AO-20-75, NUDOCS 8103090153
Download: ML20151C193 (2)


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THIS VILL CONFIRI1. THE TELECON BETUEEt!'D E DE 1100R,' BIG ROCK POIt'T s' 4

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"-PLANT . AND..MR D HUNTER, USNRC, THIS MORNINC.

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1. REPORT.-No'- A0-20-75

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DOCKET 50-155 ,

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  • D , 2A. REPOPT DATE - DECEMDER'19, 1975 (b ,

OCCt[RMENCE DATE ' DECEMBER- 18,-1975 c'I i 28. '

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3. FACILITY - BIG ROCK POINT PLANT ,

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4. IDENTIFICAT10t10F OCCURRENCE - INADEQUATE PREPAT;ATION AND REVIEU

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p , OF CONSTRUCTION ACTIVITY.-

. NORMAL POVER OPEMATION M(df 5. ' CONDITIONS PRIOR TO'0CCURRENCE Co ,

I.i i 6. DESCRIPTION OF OCCURRENCE - A' CONSTRUCTION CREV USING A POUER l SHOVEL'VAS DIGGING IN THE AREA BETVEEN THE TURDINE CUILDINC /!!D

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REACTOR CONTAINMENT AND CONTACTED-A 3C-INCH VENTIl.ATION P1FE AT A b i DEPTH OF ABOUT 2 FEET BELOV THE SUHFACE. ONLY SUPEHFICIAL DAMAGE TO

.; THE PIPE' OCCURRED. - THE V0P.K ACTIVITY. VAS STOPPED PENDIN3 A KEVIEV h.h j OF THE PROJECT.

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! THIS ' DOCUMENT CONTAINS POOR QUALITY PAGES  ;

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! 7. DESIG'JATION OF APPARENT CAUSE 0F OCCURRENCE - FAILURE OF ADMIT;IS-(t' TRATIVE CONTROLS PER SECTION 7.2.2.1.3 A(1)G OF THE TECH SPECS.

g. 1 f"5 8. MhLYSIS OF OCCURRENCE - A WORK PACKAGE COVERING THE EXCAVATIO"

-[ PROJFCT DID NOT EXIST. THE DRAVINGS USED BY Tile CONTRACTOR DID NOT

' I, IDENTIFY ANY INTERFERENCES AND ONLY SHOUED T){E COMPLETED STRUCTURE

[.;f. To u.E INSTALLED SUBSEQUENT TO T)(E EXCAVATION. AN EVALUATION DY Tl!E PLM'T STr.FF HAD NOT BEEN CONDUCTED AND REVIEWED AS REQUIhED BY PLANT

,~ [ ADMI'ISi!.ATIVE PT,0CEDURES. SEVEFtAL SAFETY-RELATED BUNIED SYSTENS

! HWE SUBSEQUE'!TLY BEEN IDENTIFIED 04 PLANT DRAWINGS IN THE EXCAVATIO::

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AREA MJD AN EV ALUATION' 0F THE INTEGRITY OF T}iESE SYSTE!;S VILL BE 1:EE t 9. COPRECTIVE ACTION - UORK ACTIVITY WAS STOPPED AND NEADBY BUT.IED i LINES UILL DE PF.0TECTED FROM FhEEZIN3. ENGINEET.ING REVIEU HAS BEEN I  !.

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('- 4 F REQUESTED THROU3H THE CCNT3 ACTOR BEFORE PROCEEDING WITH WORK.

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