Abstract: In order to solve the problems such as poor quality of anchor bolts buried and energy leakage caused by high frequency vibration of the equipment, this paper adopts the reinforcement treatment method of "steel reinforced concrete foundation + steel composite support frame" to improve the installation quality and stability of the submersible sewage pump. The results show that the reinforcement method not only improves the tightness of the coupling installation port of the submersible sewage pump, but also reduces the influence of high frequency vibration on the side wall of the sump. Through the application of BIM technology, the error and rework in the construction process are effectively reduced, and the construction efficiency and safety are improved. The construction method of "steel reinforced concrete foundation + steel composite support frame", combined with the application of BIM technology, can effectively solve the problems existing in the installation of large-scale submersible pump in municipal engineering, improve the installation quality and stability, reduce the problem of equipment vibration and leakage, and provide a new solution for the installation of submersible pump in municipal engineering.