According to the whole concrete foundation data of the civil air defense water tank foundation, the opening method of the outlet of the civil air defense water tank is: the height of the whole water tank foundation is generally greater than 200mm, and the length and width are the size of stainless steel water tank+100 mm.
Water tanks are divided into FRP water tanks, stainless steel water tanks, stainless steel liner FRP water tanks and seawater FRP water tanks according to materials.