ML20093D815

Rev 1 to Proposed Tech Spec Change Request 97,correcting Unintentional Errors in Deluge/Sprinkler Sys,Fire Hose Station & Fire Barrier Penetration Tech Specs

ML20093D815
Person / Time
Site:	Three Mile Island
Issue date:	07/12/1984
From:	GENERAL PUBLIC UTILITIES CORP.
To:
Shared Package
ML20093D789	List: ML20093D787 ML20093D815
References
0010C, 10C, NUDOCS 8407170234
Download: ML20093D815 (3)

Text

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3.18.3 Deluge / Sprinkler Systems l Applicability: At all times when equipment in the area is required to be operable.

Objective: To assure adequate fire suppression capability.

Specification:

3.18.3.1 The Deluge and/or Sprinkler Systems located in the following areas shall be operable or action shall be taken as described in specification 3.18.3.2.

a. Diesel Generator and Radiator Rooms

b. Diesel Generator Combustion Air Intakes

c. Diesel Generator Cooling Air Intake

d. Control Building Filter (AH-F3A, AH-F38) Rooms

e. Air Intake Tunnel (3 zones)

f. Charcoal Filter (AH-F10, AH-F11).

g. Intake Screen Pump House.

h. Diesel driven fire pump areas.

1. Control Building at elevation 306'

j. Control Building ESAS Relay Room at elevation 338'6" (Manual system).

k. Fuel Handling Building at elevation 281'0".

1. Auxiliary Building containment penetration area at elevation 281'0" (Manual system) 3.18.3.2 With any of the above deluge and/or sprinkler systems in any room or zone inoperable:

a. Establish a continuous fire watch with backup fire suppression equipment for the unprotected area (s), within one hour except that no fire watch is required in the air intake tunnel.

b. Restore the system to OPERABLE status within 14 days or, prepare and submit a Special Report to the Connission within the next 30 days outlining the actions taken, the cause of inoperability and the plans and schedules for restoring the system to OPERABLE status.

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- 4 3.18.6 FIRE HOSE STATIONS f

Applicability: At all time when the equipment in the area is required to be operable.

To insure adequate fire suppression capability.

Objectives

I Specifications:

3.18.6.1~ The fire hose stations listed in Table 3.18-2 shall be-operable or an additional hose must be routed to the l- ' unprotected area from an operable hose station within one (1) hour, i

BASES: .

The OPERABILITY of the fire suppression systems ensures that adequate fire suppression capability is available to confine and extinguish fires occurring

-in any portion of the facility where safety related equipment is located. The fire suppression system consists of the water system, spray and/or sprinklers, CO 2 , Halon and fire hose stations.- the collective capability of the fire

( suppression systems is adequate to minimize potential damage to safety related equipment and is a major element in the facility fire protection program.

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Technical Specification 3.18.4.1 has been changed to reflect a minimum

pressure of 285 psig in the CO2 storage tank. Actual plant CO2 discharge i tests have verified that there is an ample system design margin at this setpoint (i.e. 100%).

I In the event that portions of the fire suppression systems are inoperable, alternate backup fire fighting _ equipment is required to be made available in the affected areas until the inoperable equipment is restored to service.

j In the event the. fire suppression water system becomes inoperable, immediate corrective measures must be taken since this system provides the major fire

, suppression capability of the plant.

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~ 3,18.7 FIRE BARRIER PENETRATIONS Applicability: All fire barrier penetration seals (including cable and pipe penetration barriers, fire doors and fire ,

campers) in fire zone boundaries protecting safety related areas shall be functional at all times when 4

equipment on either side of the barrier is required to be operable.

Objective: To assure the effectiveness of barriers.

I Specificationsi 3.18.7.1 All fire barrier penetration seals protecting safety related areas shall be functional or action shall be taken as described in 3.18.7.2.

'; 3.18.7.2a With one or more of the above required fire barrier penetration seals non-functional, establish a continuous fire watch on at least one side of the affected penetration within one hour.

3.18.7.2b Restore the penetration seal to an OPERABLE status within 14 days or, prepare and submit a Special Report to the Commission within the next 30 days outlining the action to be taken, the cause of the inoperability and the plans and schedule for restoring the system to an OPERABLE status.

! BASES: The functional. integrity of the fire barrier L penetration seals ensures that fires will be confined or adequately retarded from spreading to adjacent portions of the facility. .This design feature minimizes the possibility of a single 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 seals are not functional, a roving or continuous fire watch is required to be maintained in the vicinity of the i,

affected seal until the seal is restored to functional status as described in specification i

! 3.18.7.2.

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