What size and type of connections are found on a fire department connection?
The fire department connection will typically present two 2½-inch female hose outlets into which the fire department can connect supply hoselines. Some fire department connections will present a Storz connection to allow for the connection to be made with a large-diameter hoseline.
Are FDCs required?
A Fire Department Connection (FDC) is “A connection through which the fire department can pump supplemental water into the sprinkler system, standpipe, or other system, furnishing water for fire extinguishment to supplement existing water supplies.” FDCs are required on all standpipe systems per NFPA 14, Standard for …
What is the clearance required around sprinkler risers and valves?
36-inch
What are the five types of standpipe systems?
The 2019 edition of NFPA 14 defines seven different types of standpipes systems:
- Automatic dry standpipe system.
- Automatic wet standpipe system.
- Combined system.
- Manual dry standpipe system.
- Manual wet standpipe system.
- Semiautomatic dry standpipe system.
- Wet standpipe system.
How does a standpipe work?
A standpipe is an open-ended, metal pipe that can be screwed into a basement floor drain to permit the flow of water back up as high as necessary, thereby delaying or preventing a basement flood.
What is a standpipe system used for?
Standpipe systems are a series of pipes which connect a water supply to hose connections, basically an extension of the fire hydrant system. They are designed to provide a pre-piped water system for building occupants or the fire department.
How many classes of standpipe systems are there?
three classes
What instances where a standpipe system is required?
In addition, standpipes are required in high-rise buildings and some stage areas in assembly occupancies. Some occupancies also mandate the presence of standpipes, such as detention and correctional occupancies, airport terminals and piers, at certain thresholds.
What is a standpipe valve?
Standpipe systems are the pipes, valves, and connections that are installed in a building and arranged to provide attachment points for fire hoses. Standpipes are also broken down into types, based on the presence of water in the system.
How do water towers get filled?
Water towers typically fill up when demand for water is low. This usually happens at night after most people go to bed. The pumps at the water treatment plant continue to send out water, but instead of going to people’s sinks, the water goes into water towers for storage.