ML19338E871

Proposed Tech Specs 3.18.7 for Fire Barrier Penetration Seals

ML19338E871
Person / Time
Site:	Three Mile Island
Issue date:	09/30/1980
From:	METROPOLITAN EDISON CO.
To:
Shared Package
ML19338E855	List: ML19338E854 ML19338E865 ML19338E871
References
NUDOCS 8010060250
Download: ML19338E871 (1)

Text

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3.18.7 FIRE BARRIER PENETRATION SEALS

.Applicabilityi At all times when equipment on either side of barrier is required to be operable. I Obj ective: To assure the effectiveness of fire barriers.

Specification:

3.18.7.1 All fire barrier penetration seals protecting safety related areas shall be functional,

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3.18.7.2 With one or more of the above required fire barrier penetration seals non-functional, establish a fire -

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patrol to inspect at least one side of the affected penetration once per hour during refueling shutdown, i

cold shutdown,heatup/cooldown, and hot shutdown. At all other times a continuous fire watch shall be posted on one side of the affected penetration within one hour.

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Bases: The functional integrity of the fire barrier penets' tion seals ensures that fires will be confined or adequately retarded from spreading to adjacent portions of the facility. This design feature minimizes the possibility

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of a singic fire rapidly involving several areas of the' facility prior to detection and extinguishment.

The fire barrier penetration seals are a passive element in the facility fire protection program and are subject to periodic inspections.

During periods of time when the ceals ara not functional, a fire patrol or a continuous fire watch, as stated in the specification, is required to be maintained in the vicinity

. of the affected seal until the seal is restored to functional

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status.

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3-94

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