ML20012B504

Proposed Tech Specs,Changing Surveillance Requirements for Section 4.21

ML20012B504
Person / Time
Site:	Arkansas Nuclear
Issue date:	03/02/1990
From:	ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML20012B503	List: ML20012B502 ML20012B504
References
NUDOCS 9003150132
Download: ML20012B504 (1)

Text

, , .  ; 7 1

, ,4.21 SPRINKLER SYSTEMS  ;

Applicability Applies to surveillance of the sprinkler systems which are required to be operable by Specification 3.18.

Objective To assure that the various sprinkler systems are available and operable when needed. ,

1 Specification I

4.21.1 The sprinkler systems located in the condensate demineralizer '

area, the four reactor building cable penetration areas, the two emergency diesel generator rooms, the two diesel generator fuel ,

vaults, four cable penetration rooms, cable spreading room, and Hallway El 372 (Zone 98-J) shall be demonstrated operable:

a. At least once per 31 days by verifying that each system is aligned to the fire pumps;

b. At least once per 12 months by cycling each testable valve-in the flow path through at least one complete cycle of full travel;

c. At least once per 18 months by inspection of the spray nozzles and headers to verify their integrity.

Bases The condensate deminealizer area sprinkler system is a wet pipe systems actuated only by heat action on the fusible head sprinkler.

The sprinkler systems in the four cable penetration areas are closed-head (fusible head) systems which'are remotely operated from the control room.

The sprinkler systems in the two emergency diesel generator rooms and four cable penetration rooms are-automatic preaction closed-head (fusible head) systems which are actuated by detection in the area or remote manual operation from the control room.

' The sprinkler systems in the two diesel generator fuel vaults are automatic deluge.open-head systems which are actuated by smoke detectors in the area or remote manual operation from the control room.

The sprinkler system in Hallway El 372 (Zone 98-J) and cable spreading room are automatic preaction open-head systems which are actuated by detection in the area or. remote manual operation from the control room.

The required inspections will assure availability of the various sprinkler systems when they are needed.

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P PNU L Amendment No. 30, Z21 110t V