This drawing is the fire protection design drawing of the high-rise office building. There are 28 floors in total, including two underground floors and the roof floor. The drawing design is detailed, involving the water and electricity, system joint control of the fire protection profession, weak current lines, local strong current layout, joint control interconnection of each floor, telephone lines, network lines, control lines, light lines, matching and control of various lines, etc; See the drawing for detailed parameters