Supply, fire hydrant shall be arranged to meet the following requirements

Fire hydrant shall be arranged to meet the following requirements: 1 In addition to the non-combustible device layer, set the fire hydrant buildings, the layers should be setting a fire hydrant. Unit residential tower fire hydrants should be set on the first floor stairwell and layers floors resting platform, set a fire standpipe when located two fire standpipe difficult, but must be dual-port dual hydrant valve type. Dry-hydrant standpipe in the first floor set by exports parts to facilitate rapid fire engines and water supply interface and check valves; 2 fire lifts should be set before the indoor fire hydrant; the 3 fire hydrant should be set at the position is clear and easy to operate parts. The bolt port from the ground or the operation of the base surface height appropriate for the 1.1m, its water Fang Xiangyi down in a 90 ° angle or setting fire hydrant wall; the bolt port with the distance from the edge of the fire hydrant box fire hose connections should not affect; 4 cold storage fire hydrants should be set up in the room temperature hallway or stairwell; 5 fire hydrant spacing shall be calculated and determined. Senior plant (warehouse), elevated warehouse and A, (B) plant fire hydrant spacing should not be greater than 30m; other single-and multi-storey building in the fire hydrant spacing should not be greater than 50m; 6 the same building should be uniform specifications of the fire hydrant, water gun and hose. Each hose length should not exceed 25m; 7, fire hydrant shall be arranged to ensure that each fire district enrich the water column of two water guns at the same time to reach any part of the same layer. Building height is less than or equal to 24m and the volume is less than or equal to 5000m3 multi-storey warehouse, a gun can be used to enrich the water column to reach any part of the room. Water gun enrich the water column should be determined by calculating the A and B plant, number of layers over six floors of public buildings and the number of layers is more than four layers of plant (warehouse), should not be less than 10m; the senior plant (warehouse), elevated warehouse and volume greater than 25000m3 stores, stadiums, theaters, halls, exhibition buildings, railway stations, docks, airports construction, should not be less than 13.0m; other buildings should not be less than 7m; www.0755119.net senior plant (warehouse) can not meet the most unfavorable hydrant water pressure requirements of other buildings, should be set at direct button to start the fire pumps and proper protection facilities in each indoor fire hydrant; 9 indoor fire hydrant mouth water pressure tank static pressure and high fire regional water supply system should be set at 0.5MPa decompression facilities; hydrostatic pressure greater than 1.0MPa; 10 buildings with indoor fire hydrant, such as flat roofs, should be set on a flat roof testing and inspection fire hydrant.