05000255/LER-1980-007, Forwards LER 80-007/01T-0

Forwards LER 80-007/01T-0

ML18044A779
Person / Time
Site:	Palisades
Issue date:	04/21/1980
From:	Frost S CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18044A780	List: 05000255/LER-1980-007, Forwards LER 80-007/01T-0 05000255/LER-1980-007-01, /01T-0:on 800407,during Maint on Control Room Ventilation Sys,Discovered Leakage Defects Through Shaft of Fan V-36.Fresh Air Damper D-1 Would Not Close.Caused by Inadequate pre-operational Testing of Ventilation Sys
References
NUDOCS 8004250350
Download: ML18044A779 (3)

LER-1980-007, Forwards LER 80-007/01T-0

Event date:
Report date:
2551980007R00 - NRC Website

text

consumers Power company

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General Offices: 212 West Michigan Avenue,.Jackson, Michigan 49201

• Area Code 517 788-0550 General Offices: 212 West M ichlgan Avenue, Jackson, M lchlgan 49201 * (517) 788-.0550 April 21, 1980 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT

.REPORT 80-007 -

CONTROL ROOM VENTILATION On the reverse side is Licensee Event Report 80-007 which is reportable under Technical Specification 6.9.2.a.9.

Stevm R Frost (Signed)

Steven R Frost Nuclear Licensing Engineer CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector-Palisades jjoa'd 1/1

consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201 * (517) 788-0650 April 21, 1980 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT REPORT 80-007 -

CONTROL ROOM VENTILATION On the reverse side is Licensee Event Report 80-007 which is reportable under Technical Specification 6.9.2.a.9.

Steven R Frost Nuclear Licensing Engineer CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector-Palisades

PALISADES PLANT NRC FORM366 (7-77)

U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I 10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

I MI I I p I A I 1 I I 101 0 I 0 I-I 0 I 0 I 0 I 0 I 0 I - 10 I 0 101 411 I 111 I 11©1 I 10 9

LICENSEE CODE 14

~5 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58

• [£12]

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CON'T filII 7

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~~~~~ lk..1©1 o 1 s I o I o Io I 2 I s I s K?)I o I 4 I o I 1 I 8 Io I© lo 14 I 2 Ii I s I a 10 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES@

I During maintenance on the control room ventilation system. two defects

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I which would have permitted large inleakage of contamination into the C2:II] I control room under accident conditions were discovered.

The defects were

[)))) I large leakage through the shaft of fan V-36 and a fresh air damper (D-1) r:2:ITI I which w0111 a not. f1111y-ci ase As a result, during an accident with high

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airborne activity outside containment, the control room may not have been I)))) I habitable.

Re~ortable Der T.S. 6.9.2.a.9.

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SYSTEM CODE Is IGI@

9 10 t::::'I LE R /RO CV ENT YEAR

\\}..:J REPORT

~ 10 I NUMBER 21 22

CAUSE

CAUSE CODE SUBCODE COMPONENT CODE l.12.J@ w@ lz I zlz IZ I ZI zl@

11 12 13 SEQUENTIAL REPORT NO.

I I Io lo 17 I 18 OCCURRENCE CODE io 11 1 COMP.

SU8CODE

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19 REPORT TYPE l!J VALVE SUBCODE

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20 23 24 26 27 28 29 30 31.

REVISION NO.

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32 I

80 ACTION FUTURE EFFECT SHUTDOWN r:;:;..

ATTACHMENT NPRD-<I PRIME COMP.

TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM ~UB, SUPPLIER COMPONENT MANUFACTURER W@~@ W@ L1J 101010101 L!J@

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33 34 35 36 37 40 41 42 43 I z I 919 191@

CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS @

44 47 jThe initial pre-op testing of the control room vent system was apparently [ID] I inadequate.

The defects have been corrected.

ITID 7

8 9

FACILITY STATUS [ill] L.QJ@

OTHER STATUS @

% POWER I 0 10 I 0 l@l_N_A ____ __

METHOD OF DISCOVERY DISCOVERY DESCRIPTION 32

~~!Discovered during mainten nee 80 7

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10 12 13 44 ACTIVITY CONTENT

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RELEASED OF RELEASE AMOUNT OF ACTIVITY

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Ll.J@W@I NA I

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9 10 11 44 LOCATION OF RELEASE @

NA 45 so PERSONNEL EXPOSURES t::;::.,

NUMBER

{.;:;\\TYPE f.:;\\ DESCRIPTION [2J2] I al a la 16l.z.J~...._..............__ _______________________ ___.

7 B

9 11 12 13 PERSONNEL INJURIES c,,_

80 NUMBER DESCRIPTION~

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OIO ID l@)~N_A _________________________ ____.

7 8

9 11 12 LOSS o< OR DAMAGE TO FACILITY 14:i" TYPE

DESCRIPTION

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10 80 PUBLICITY r.;-..

N RC USE O y

ISSUED{,:;\\ DESCRIPTION~

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9 10 68 69 80