The main fire hydrant in the basement is connected to the municipal water supply pipe directly. Is there a fire pump and a fire pool?
If there is only a basement and the municipal water supply can meet the demand of water and water requirements for indoor and outdoor water as planned, the pump pool can be cancelled. Remember, you must have two pipes.
Should be set, according to the building fire code, fire hydrant water consumption is greater than 15L/s, and there is no suitable alternative water sources, we should set fire pool. In addition to the underground garage located indoor fire hydrant to set a sprinkler system, must be more than 15L/S, so it must be. A fire pump is pressurized into the water in a fire pool. Connection order is: municipal water supply - fire pool - fire pump - fire water supply dry pipeOf course, the fire pool, which is also equipped with liquid level control valves and other accessories.The fire pool is not flat, but tends to slope towards the direction of the suction of the pump. And the water pump absorption tube is usually L type, in order to facilitate the collection of water, so in the pool suction section should be set sink to facilitate water pump suction.
The basement of the fire hydrant is directly connected to the municipal water supply, fire hydrant charge cannot take the basement of the fire pump, if the ground building, the fire pump is used for building the ground, of course, from the pool water. The water collecting trough is convenient for sucking water of the water suction bell mouth of the water pump, and can effectively utilize the volume of the water tank.
