ML18139B036

LER 80-049/03L-0:on 801231,electrical Penetration E-4 Through Fire Wall Between Equipment Rooms 2 & 3 Turbine Basement Found Open.Caused by Fire Stop Removed to Accomodate Welding Lead.Fire Stop Repaired

ML18139B036
Person / Time
Site:	Surry
Issue date:	01/29/1981
From:	Joshua Wilson VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18139B035	List: ML18139B034 ML18139B036
References
LER-80-049-03L-03, LER-80-49-3L-3, NUDOCS 8102030620
Download: ML18139B036 (2)

Text

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• J Electrical penetration E-4 through the fire wall between #3 Equipment room and #2 tµrbirie basement had been found opened and there was no fire watch on either side of

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[IE] Ithe wall. This is contrary to Technical Specifications 3. 21-G, and reportable as per C§:((] I Technical Specification 6.6.2.b(3)

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

JCaused by fire stop removed to accomodate a welding lead. After detection, a fire CIII] JWatch was posted and the fire marshall notified. Maintenance order was submitted to

[I))] 1repair the fire stop. Health and safety of the public was not affected.

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ltTTACHMENT 1 SURRY POWER STATION, UNIT #2 e e DOCKET NO: 50-281 REPORT NO: 80-049/03L-0 EVENT DATE: 12-31-80 TITLE OF**REPORT: MACH. ROOM If 3 FIRE BARRJ:ER *PENETRATION

1. DESCRIPTION OF EVENT:

On 12-31-80, electrical penetration E-4 through fire wall between machine room

1. 3 and #2 turbine building basement had been found opened with a welding lead run through it and there was no fire watch on either side of the wall.

This is contrary to Technical Specifications 3.21-G, and reportable as per Technical Specifications 6.6.2.b.(3)

2. PROBABLE CONSEQUENCES & STATUS OF REDUNDANT SYSTEMS:

The functional integrity of a fire stop ensures that fires will be confined and adequately retarded from spreading to adjacent . portions.,of *the facility. There were no fires in these areas and penetration fire stop was not required to fun-ction, the health and safety of the public was not affected. Sufficient fire suppression is also in standby-fire extinguishers in machine room #3 and fire extinguishers, deluge and hose stations in turbine building to prevent fire spread.

3. CAUSE:

Fire stop material removed to accomodate a welding lead.

4. IMMEDIATE CORRECTIVE ACTION:

A fire watch was posted and the fire marshall notified. Maintenance order was submitted to repair the fire stop.

5. SUBSEQUENT CORRECTIVE ACTION:

Fire ;top repair.

6. ACTION TAKEN TO PREVENT RECURRENCE:

Instruct personnel.

7. GENERIC IMPLICATIONS:

None.