This project is the design drawing of Renheyuan Gas Boiler Project, including the ventilation, air conditioning and smoke control plan of S2 central commercial roof floor, the smoke control plan of S2 central commercial third floor, the smoke control plan of S2 central commercial third floor, the heating plan of kindergarten second floor, etc. The content of the drawing is complete, the expression is clear, and the drawing is rigorous. Designers are welcome to download and use it.