Floor plan (show 1 layout of the first S-story room, entrance C of the building, M and W stairs of hall P, etc. ), the standard floor plan (showing the layout of the third floor in 1) and the top floor plan (the plan of the highest floor of the building) are projected with 5 and L roof planes (that is, water 7 on the roof plane), which are as flat as 0 other planes. The main contents of the building plan include: (1) the name of the building and its constituent rooms, the dimension 0 inch n, the positioning axis, the wall thickness, etc. (2) The positions of corridors and stairs are equivalent to my 8 "K". (8) Door L window position, feet 6 inches H and H number. The code name of the door D is M, and the code name of the window is C. Write the Z number after the code name, and the same N number represents six doors and M windows of the same M type. Such as M-5. C4 explosives. (2) The position of steps, balconies, awnings and aprons 7 and the scale of N- detail 1 inch q. (5) The height of indoor 6 floors. (8) On the ground of the first floor, G should draw the line of profile position 5, and then compare it with the profile of 7 and H..

Drawing method of lighting plan. In the building electrical specialty, the lighting plan is the main part of the lighting design, and it is also an important part of the professional drawings. The lighting plan has a large amount of drawing and is closely combined with the building plan. Usually, as soon as the building plane is adjusted, the lighting plane should also be adjusted, such as the arrangement of lamps and lanterns and the direction of pipelines. For those who have just come into contact with the building electrical specialty, they can familiarize themselves with the drawing methods of this specialty and the cooperation of various majors through the lighting scheme, so as to lay a foundation for future work and study.