This drawing is the electrical cad design and construction drawing of a sewage station in Lishui, including the electrical plan of the fire hydrant, the fire alarm control system diagram, the power distribution system diagram of the water pump room, the weak current system diagram, the general description of electrical design, the weak current plan, the electrical lighting plan, the legend and main equipment material list, the lighting distribution system diagram, the lightning protection and grounding plan, etc, Available for reference and download.