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Sprinkler systems installed in residential units pursuant to Section 13-160-050(m)(3) shall be installed as follows:
(A) Sprinklers shall be installed in all rooms of each dwelling unit except in bathrooms less than 55 square feet in area, closets less than 24 square feet open, carports and porches, and attics, crawl spaces or other concealed spaces not used or intended for storage or living spaces.
Sprinklers shall be installed in entrance foyers and enclosed attached garages.
(B) Only sprinklers listed for residential occupancy shall be used.
(C) When the sprinkler system serves more than one dwelling unit and is equipped with a fire pump, the fire pump and all associated controls shall be located in a room which is accessible without passing through an individual dwelling unit. The room shall be identified as the fire pump room.
A fire pump supplying a system which serves more than one dwelling unit shall be equipped with a bypass not less than one and one-half inches in diameter consisting of two control valves positioned on either side of a check valve.
Each sprinkler system which serves more than one dwelling unit shall be equipped with a siamese connection conspicuously located on the street frontage. Such siamese connection may have one hose connection.
A fire pump which supplies a sprinkler system which serves more than one dwelling unit shall be equipped with a test valve located on the discharge side of the pump.
(D) Pipe shall comply with Section 15-16-370.
(Added Coun. J. 10-30-96, p. 31216, § 1)