Before installing the glass fiber reinforced plastic water tank, first check whether the concrete foundation surface of the water tank is flat, and then weld and connect the cut channel steel according to the size of the water tank bottom plate, and then start to assemble the water tank board, and the water tank board is sandwiched between the water tank board and the water tank board. The sealing strip is connected by bolts. First assemble the bottom plate and lay it on the channel steel base, and then connect the side combination with the bottom. After the connection is completed, start to install the brace. First install the brace plate at the cross joint of the four side plates, drill holes at the corners of the four plates, use four pairs of wires, pass through the inner and outer brace plates, and The four plates are clamped, the screw and the plate should be sealed with a rubber gasket, the threaded ends of the ribs pass through the middle holes of the ribs, and the two inner ribs are tightened with nuts. FRP manufacturers say that the water tank also has a special plugging element, which is mainly used to seal the diamond-shaped hole at the junction of the four plates of the bottom plate and the lower side plate and the diamond-shaped cavity at the middle junction of the four corners of the side plate. It is fastened on the outside and penetrated from the inside to the outside.