IS 15105 (2002): Design and Installation of Fixed ...

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3.26 Installation Sprinkler Installation — Part of a sprinkler system comprising a set of installation main control valves, the associated downstream pipes and sprinklers. 3.27 Installation, Pre-action — A dry installation in which the alarm valve can be opened by an independent fire detection system in the protected area.

  System, Design, Installation, Sprinkler, Design and installation, Sprinkler systems, Installation sprinkler installation