What is the inspection frequency between the high-level water tanks of residential property in Beijing?

Glass fiber reinforced plastic fire water tank has been widely used as the main fire extinguishing agent, especially the automatic sprinkler system is favored by designers because of its high fire extinguishing efficiency and small secondary water damage. In order to achieve the purpose of rapid fire extinguishing, the relevant specifications clearly stipulate the water quantity and water pressure of indoor fire water supply system. In urban water supply, because most urban pipe networks are branched, life and fire fighting adopt a combined system. Once a fire breaks out, the pressure of municipal pipe networks and the water quantity at the outlet of the accident point can hardly meet the design pressure and flow of high-rise buildings. On the other hand, even if the municipal pipe network can meet its water demand, it is generally not allowed to pump water directly from the pipe network to avoid negative pressure in the water supply pipeline and affect other users around. Therefore, high-rise buildings usually design fire pools or use wells and wells. According to the regulations, the water supply equipment equipped with pressure stabilizing pump, air pressure tank and variable frequency speed regulating pump are all temporary high-pressure water supply systems, and the temporary high-pressure water system should be equipped with fire water tanks to ensure the water quantity and water pressure required for indoor fire hydrants and automatic sprinkler systems to quickly extinguish initial fires at the most unfavorable points.