ML19347C830

AO 22-75:in Jul 1975,security Sys Electrical Equipment Connected to Emergency Power Panel 8L W/O Proper Review & Authorization.Caused by Administrative Control Failure. Proper Design Considerations to Be Reviewed

ML19347C830
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	09/06/1975
From:	Sewell R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
AO-22-75, NUDOCS 8103090450
Download: ML19347C830 (1)

Text

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j NRC BHDA CONSUMERS POWER COMPANY PARNALL ROAD OFFICE

. JAC KS ON, MI TWX 517-7 87-1987 9-12-75 5 5-05 PM TO-MR J G KEPPLER USNRC 799 ROOSEVELT RD GLEN ELLYN, IL 60137 RE-DOCKET 50-155, DPR-6, BIG ROCK POINT PLANT THIS WIRE IS SUBMITTED TO CONFIRM THE liLEPHONE REPORT FROM D E DE MOOR TO E JORDAN AT 1530 ON 9-12-75.

1 REPORT NO DOCKET-50-155 2A., REPORT DATE - SEPTEM0ER 6",

1975

29. OCCURRENCE DATE - APPROXIMATELY JULY 1975 - CLASSIFIED AO ON 9-12-75.

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3.

s?.CILITY - BIG ROCK POINT PLANT 4.

IDENTIFICATION OF OCCURRENCE - UNAUTHORIZED ADDITION TO EMERGENCY A.C. POWER PANEL PL.

5.

CONDITIONS PRIOR TO OCCURRENCE - POWER OPERATION.

6.

DESCRIPTION OF OCCURRENCE - DURING INSTALLATION OF THE SITE PHYSICAL SECURITY SYSTEM, SECURITY SYSTEM ELECTRICAL EQUIPMENT WAS CONNECTED TO EMERGENCY POWER PANEL BL WITHOUT PROPER REVIEW AND AUTHORIZATION.

7 DESIGNATION OF APPARENT CAUSE OF OCCURRENCE - FAILURE OF ADMINISTRA-TIVE CONTROLS.

8.

ANALYSIS OF OCCURRENCE - THE LOAD ADDED IS A MAXIMUM OF I.25 kVA COMPA4ED TO A TOTAL OUTPUT OF 250 MVA FOR THE EMERGENCY DIESEL GENERATOR AND DOES NOT COMPROMISE THE SAFETY-RELATED PERFORMANCE OF OTHER EQUIPMENT C,0NNECTED TO THIS EFERGENCY SOURCE.

9.

CORRECTIVE ACTION - A PORTION OF THIS LOAD WILL BE REMOVED FROM THE FMERGENCY POWER PANEL BL AND THE PORTION PROPOSED TO BE LEFT PERMAN=

ENTLY ON THIS PANEL WILL BE REVIEWED FOR PROPER DESIGN CONSIDERA.

TIONS.

NOT APPLICABLE.

10. FAILURE DATA R ALPH 9 SEWELL NUCLEAR LICENSING ADMINISTRATOR END - DW CC-DIVISION OF REACTOR LICENSING, USNRC C J HARTMAN, BIG ROCK POINT PLANT CORRECTION-ON 24. A90VE, REPORT DATE - SHOULD READ-SEPTEMBER 12, 1975 VIO3096</SC NRC BNDA

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