1. The pipelines of water supply equipment should be separated from production and domestic water supply pipelines, and should not be combined with the supply pipelines of foam mixed liquid. Wet-type water supply pipelines in cold areas shall be provided with anti-freezing protection measures, and thousand-type pipelines shall be provided with facilities to exclude water and air in the pipelines. The piping design should meet the requirements of design flow, pressure, and time from start to spray.
2. The capacity of the fire-fighting pool should not be less than the sum of water consumption such as water cannons, foam cannons, protective water curtain nozzles, etc., and the maximum amount of water in the water supply network. This capacity can be reduced by the maximum amount of water that can be replenished during the specified fire suppression time and cooling time.
3. The pressure vessel used for the water supply pressure of the fire pump should be able to meet the spray pressure requirements of water cannons and foam cannons in the system.
4. The supply time of fire extinguishing agent and pressurized gas should not be longer than 48 hours.
5. The time from the start of the water cannon and foam cannon system to the spraying of fire extinguishing agent should not be greater than 5 minutes, and the time from the start of the dry powder cannon system to the spraying of dry powder from the muzzle should not be more than 2 minutes.
