How about the number of indoor fire hydrants in each floor of a building?
Each fire standpipe diameter should be determined through calculation by the flow, but shall not be less than 100mm. The following, when there are difficulties with two fire standpipe, a standpipe, but must be used double valve double hydrant mouth.
The fire hydrant standpipe should be in the first layer on site set up to facilitate export rapid fire water interface and check valves; fire standpipe arrangement, should ensure that the same layer of two adjacent fire hydrants gun full water column at the same time be protected within the scope of any part.
Indoor fire hydrant building, the fire hydrant should be installed on all levels. The unit type, the fire hydrant should be the first floor of tower houses set in the staircase and the floor to rest on the platform, when the set 2 fire standpipe; there are difficulties, can be set 1 fire standpipe, but must use double valve double hydrant.
