The equipment on the first floor of the original laboratory building is not powered. The reconstruction project includes: lighting and instrument power on the first floor of the plant, lighting and electrical equipment sockets on the second floor of the plant. According to the requirements of Party A, the second floor is now considered for office use. In this design, the lighting of the second floor is considered as having a suspended ceiling. According to the requirements of Party A, the experimental building will be used as a sports venue in the future. In this design, the power circuit for lighting of the second stage sports venue is reserved, and the power incoming line of this design is considered as one way.