05000255/LER-1980-009-01, /01T-0:on 800424,during Walkdowns of safety- Related Sys Conducted to Verify P&ID Accuracy,Ventilation Supply Damper CV-1812 to West Safeguards Equipment Room Could Not Be Located.Cause Unknown

/01T-0:on 800424,during Walkdowns of safety- Related Sys Conducted to Verify P&ID Accuracy,Ventilation Supply Damper CV-1812 to West Safeguards Equipment Room Could Not Be Located.Cause Unknown

ML18044A863
Person / Time
Site:	Palisades
Issue date:	05/07/1980
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18044A862	List: 05000255/LER-1980-009-01, /01T-0:on 800424,during Walkdowns of safety- Related Sys Conducted to Verify P&ID Accuracy,Ventilation Supply Damper CV-1812 to West Safeguards Equipment Room Could Not Be Located.Cause Unknown 05000255/LER-1980-010-01, /01T-0:on 800326,during Calibr of Sirw Tank Low Level Switches,Reactor Analysis & Safety Setpoint Were Determined to Have Exceeded Tech Specs Limit.Caused by Error in Acceptance Criteria.Reportability Determined 800428 ML18044A860
References
LER-80-009-01T, LER-80-9-1T, NUDOCS 8005130590
Download: ML18044A863 (1)

LER-1980-009, /01T-0:on 800424,during Walkdowns of safety- Related Sys Conducted to Verify P&ID Accuracy,Ventilation Supply Damper CV-1812 to West Safeguards Equipment Room Could Not Be Located.Cause Unknown

Event date:
Report date:
2551980009R01 - NRC Website

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PALISADES PLANT NRC FORM 366

!7*771 U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I 10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

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LICENSEE CODE 14

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I During walkdowns of safety related systems conducted to verify P&ID accuracy, the ventilation supply damper (CV-1812) to the west safeguards equipment room could not be located.

A subsequent test verified the damper was not installed.

1be vent dampers for the safeguards equipment rooms provide isolation capability which is required to limit offsite

[£J2J I dose to -10CFR 100 criteria under accident conditions -(ref TS 3.16) *

[Q:I[] I Condition reportable per TS 6.9.2.A.9.

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SYSTEM CODE I SIH I@

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CAUSE

CAUSE CODE SUBCODE COMPONENT CODE 1.!J@ LU@ 1z1z1z1z1z1z1@

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CODE l=.J ID Io I 91 1,....1 Io I 11 23 24 26 27 28 COMP.

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19 20 REPORT TYPE L2J l.=J 30 31 REVISION ND.

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)Cause unknown, but suspected to have occurred during initial plant ITIIJ I construction.

The vent supply line to the west safeguards equipment room OJ:I) 1has been blanked.

1be vent supply line will be provided with an isolation [I))] I damper when materials and plant conditions permit.

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FACILliY

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STATUS

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9 10 11 so METHOD OF DISCOVERY DESCRIPTION @

DISCOVERY W@I System walkdown "4

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NUMBER t:;:;.. TYPE DESCRIPTION~

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~3~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~8~0 PERSONNEL INJURIES

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