3.2.5.14.Sprinklered Service Space

(1) An automatic sprinkler system shall be installed in a service space referred to in Sentence 3.2.1.1.(8) if flooring for access within the service space is other than catwalks. (2) The sprinkler system required by Sentence (1) shall be equipped with waterflow detecting devices, with each device serving not more than 1 storey. (3) The waterflow detecting devices required by Sentence (2) shall be connected to the fire alarm system, to (a) initiate an alert signal in a 2-stage system or an alarm signal in a single-stage system, and (b) indicate separately on the fire alarm system annunciator the actuation of each device. (4) If a building is sprinklered, sprinkler protection need not be provided in the space below a raised floor in a computer room (a) if the optical fibre cables and electrical wires and cables in this space conform to the test requirements in Article 3.1.5.25., (b) if the building is of noncombustible construction and other combustible components are limited to those permitted in Subsection 3.1.5., (c) if this space is used to circulate conditioned air and the air handling system is designed to prevent the circulation of smoke upon a signal from a smoke detector, (d) if all of this space is easily accessible by providing access sections or panels in the raised floor, and (e) if the computer room is more than 2 000 m2 and the annunciator has separate zone indicators of the actuation of smoke detectors located in this space so that the coverage for each zone is not more than 2 000 m 2.