Abstract:The construction of pump gate during the flood season and rainy season may increase the risk of construction hazards. The duration of Shanghai Hongkou Port Pump Sluice Project is limited and tensioned. It is required to fully utilize the rainy season and flood season for the construction of foundation pits and main structures. The guarantee measures taken in the construction of the Hongkou Port Pump Gate Project during the flood season and rainy season are introduced from the personnel allocation, the flood preparedness, the emergency plans, the engineering protection etc., which provide the reference for similar pump gate projects.