Hybrid hose system (high rise fires)

Hybrid system equipment

• 100 feet of 1 ¾ hose line.

• Two 50-foot lengths of 2 ½ inch hose line.

• One 2 ½ to 1 ½ reducer.

• One 1 ½ ball valve smooth bore nozzle with 7/8 tip.

• One 2 ½ ball valve nozzle with 1 1/8 tip.

• 1 ½ inch pressure gauge.

Inline pressure gauge

• 2 ½ inch inline pressure gauge.

• Attach directly to the 2 ½ inch gate valve, then attach your 2 ½ inch hose line.

• Pressure could be set from 65psi-175 psi.

Class 1 standpipe system

• A system providing 2 ½ inch (64 mm) hose connections to supply water for use by fire departments and those trained in handling heavy fire streams.

• Shall be installed in existing buildings with occupied floors located more than 50 feet above fire department access.

Class 2 standpipe systems.

A system providing 1 ½ inch (38mm) hose stations to supply water primarily by the building occupants or by the fire department during initial response.

Class 3 standpipe systems.

A system providing 1 ½ inch (38mm) hose stations to supply water for use by building occupants and 2 ½ inch (64mm) hose connections to supply a large volume of water for use by fire departments and those trained in handling heavy fire streams.

Automatic dry.

Normally filled with pressurized air that is arranged through the use of a device, such as a dry pipe valve, to admit water into the system piping automatically upon the opening of a hose valve, The water supply shall be capable of supplying the system demand.

Automatic wet.

A wet standpipe system that has water supply that is capable of supplying the system demand automatically.

Manual dry.

A dry standpipe system that does not have a permanent water supply attached to the system. Require water from a fire department pumper to be pumped into the system through the fire department connection in order to supply the system demand.

Manual wet.

A wet standpipe system connected to a water supply for the purpose of maintaining water within the system, but which does not have a water supply capable of delivering the system demand attached to the system. Require water from a fire department pumper.

Semiautomatic dry.

A dry standpipe system that is arranged through the use of a device, such as a deluge valve, to admit water into the system piping upon activation of a remote-control device located at a hose connection. A remote-control activation device shall be provided at each hose connection. The water supply shall be capable of supplying the system demand.