Fire Sprinkler System Riser Diagram

Each riser taps into a permanent source of water such as a pipe connected to the city water system a water tank or reservoir.

Fire sprinkler system riser diagram.

This system is a modification to the one detailed in nfpa 14 figure a 7 1 b. Riser key notes 1 5 0 ductile iron stub out feed 2 thrust block. Therefore the sprinkler system can remain in service while the flow switch is being replaced. 8 fire department connection.

Provide pipe hangers and sway bracing on all fire sprinkler system piping and equipment per nfpa 13 as. Provide a 3 0 clearance around fire sprinkler riser for minimum access. Field verify system design and layout prior to fabrication or installation. Dry pipe sprinkler system february 12 2010 page i.

System description the dry pipe sprinkler system is a fire protection system that utilizes water as an extinguishing agent while the system piping from the dry pipe valve to the automatic fusible sprinklers is filled with pressurized air or nitrogen. Otherwise known as an fdc or siamese connection since there are two inlets on the connection this connection is located on the exterior of the building. Fire alarm riser diagram. To account for the required residual pressure at the 24th floor while maintaining a pressure below 175 psi on the lower floors a two zone low pressure and high pressure system utilizing a single fire pump was designed for the building.

Allows the fire department to supply supplementary pressure and flow to the system during a fire event. Of 7 0 a f f. Automatic sprinkler system risers fire pumps and controllers shall be provided with ready access. Connection used by the fire department to pump water into the fire sprinkler or standpipe system to supplement the building s water supply.

A vane type flow switch can be used just like on a straight pipe riser system. Listed central station for flow tamper and trouble. Where located in a fire pump room or automatic sprinkler system riser room the door shall be permitted to be locked provided the key is available at all times. Hydraulically calculate the wet pipe sprinkler systems per nfpa 13 and ufc 3 600 01 density and spacing listed in the sprinkler design criteria table below.

However one of the benefits of the alarm valve is that it allows the waterflow switch to be installed or replaced without draining the sprinkler system. Telephone data equipment closets and riser diagram. Fire sprinkler system to be electronically monitored by u l. St d5020 3 motor control center anchorage under structural above st g4010 01.

Nfpa 13 2002 8 16 2 2 2007 16 8 17 2 2 2019 16. Small building telecommunications room plan and telecommunications riser diagram. All valves shall be a max.