Which type of standpipe system is designed to have water only supplied through a fire department connection (FDC)?

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Multiple Choice

Which type of standpipe system is designed to have water only supplied through a fire department connection (FDC)?

Standpipe systems differ by where the water is stored and how it gets into the piping. A manual dry standpipe is designed so the piping is empty and water is introduced only when firefighters connect to the fire department connection (FDC) and charge the system. Firefighters open the valve to push water into the standpipe through the FDC, so water is supplied exclusively from that connection during a fire. In contrast, a manual wet system already contains water in the pipes and can deliver water from the building’s supply without needing the FDC; an automatic wet system also has water in the pipes and pressurizes automatically; semiautomatic dry systems have automatic features that don’t rely solely on the FDC for water.

Standpipe systems differ by where the water is stored and how it gets into the piping. A manual dry standpipe is designed so the piping is empty and water is introduced only when firefighters connect to the fire department connection (FDC) and charge the system. Firefighters open the valve to push water into the standpipe through the FDC, so water is supplied exclusively from that connection during a fire.

In contrast, a manual wet system already contains water in the pipes and can deliver water from the building’s supply without needing the FDC; an automatic wet system also has water in the pipes and pressurizes automatically; semiautomatic dry systems have automatic features that don’t rely solely on the FDC for water.

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