Fire Sprinkler System 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.

Fire sprinkler system riser diagram.

Nfpa 13 2002 8 16 2 2 2007 16 8 17 2 2 2019 16. Provide a 3 0 clearance around fire sprinkler riser for minimum access. All valves shall be a max. 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 alarm riser diagram. 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. On any sprinkler system that does not meet exceptions for being inaccessible large capacity deluge systems or single story buildings not over 2 000 sqft 185 sq m.

Connection used by the fire department to pump water into the fire sprinkler or standpipe system to supplement the building s water supply. St d5020 3 motor control center anchorage under structural above st g4010 01. Listed central station for flow tamper and trouble. Of 7 0 a f f.

Allows the fire department to supply supplementary pressure and flow to the system during a fire event. Provide pipe hangers and sway bracing on all fire sprinkler system piping and equipment per nfpa 13 as. 8 fire department connection. Fire sprinkler risers are in a sense where the plumbing outside a building ends and a fire sprinkler system begins.

Fire sprinkler system to be electronically monitored by u l. 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. 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. Automatic sprinkler system risers fire pumps and controllers shall be provided with ready access.

A vane type flow switch can be used just like on a straight pipe riser system. Dry pipe sprinkler system february 12 2010 page i. Riser key notes 1 5 0 ductile iron stub out feed 2 thrust block. Each riser taps into a permanent source of water such as a pipe connected to the city water system a water tank or reservoir.

Field verify system design and layout prior to fabrication or installation. Therefore the sprinkler system can remain in service while the flow switch is being replaced. 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.