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AS 2118.3-2010 pdf free download
AS 2118.3-2010 pdf free download.Automatic fire sprinkler systems Part 3 : Deluge systems.
Hydraulic calculations shall be carried out in accordance with the requirements of
hydraulic losses through valves used. and K factors of sprinklers used. shall be those published by the manufacturers of the valves and sprinklers, under the ternis of their approval.
2.8 l)FZTECTION SYSTEMS
Detectors installed to activate a deluge system shall be suitable for the environment. ssithi regard to their electrical classification and materials of manufacture, and shall he installed and located in accordance with the requirements of AS 1670 series.
Care shall he exercised in the selection of detection systems, due to the potential problems of spurious operation.
%Vliere sprinklers are used as detectors and installed on pressurized inert gas, air or liquid lines, they shall be of the fast response type in accordance with AS 4118.1.1.
When used as detectors, these sprinklers shall be spaced in accordance with the light hazard requirements of AS 2 Il 8. I. MJCs shall he spaced in accordance with the ordinary hazard requirements of AS 2118.1.
2.9 DELUGE VALVES
Deluge valves controlling water to a deluge system shall be located as close as practicable to the system they are controlling, ensuring that the transit time to the most remote zone is no more than 30 s. The deluge valves shall be protected in the following manner:
(a) i’alvex located ouisule the building, fire rexisiwil consiruclion (IR( ‘) iiull Deluge control assemblies located outside of a building shall be considered protected provided the external wall has a FRL of 60/60/60, as shown in Figure 2.9.1.
(b) Valves located outside the building, mm-FR(’ wall Deluge control assemblies located outside of a building having an external wall construction less than 60/60/60 shall be situated at a minimum distance of 10 rn from the wall, as shown in Figure 2.9.1.AS 2118.3-2010 pdf free download.
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