Nfpa 13 Hose Valve On Roof

Nfpa 13r allows for a lower water discharge demand from the sprinkler system leading to smaller pipe sizes.

Nfpa 13 hose valve on roof.

Fire department hose valve are intended to ensure that additionally nfpa 13 provides the following require whenatallpossible thestandpipesystemremaininservice. For light and ordinary hazard it s 52 000 sqft. Ments where a sprinkler system is served from multiple examples of when a sprinkler system shutdown may be directions or risers. Nfpa 13 requires floor control valves for buildings over 2 stories but even as a more stringent standard allows a single control valve check valve main drain and flow switch when the total area protected doesn t exceed the nfpa 13 limits see nfpa 13 2016 8 2 4 3.

Responses are provided by nfpa staff on an informal basis. Nfpa 13r allows for a shorter duration of water supply than nfpa 13. Nfpa 14 section 6 3 3 states that listed indicating type valves shall be provided at the standpipe for controlling branch lines for remote hose stations. Nfpa 13r commonly allows for the elimination of fire protection in attics closets and bathrooms.

If i has a hose valve that is tied into the feed main which connects the vertical standpipes and it is nearby the feed main is this hose valve still considered to be remote. Nfpa members and public sector officials may submit a question on an nfpa code or standard. Standard for the installation of sprinkler systems the industry benchmark for design and installation of automatic fire sprinkler systems nfpa 13 addresses sprinkler system design approaches system installation and component options to prevent fire deaths and property loss.