How to draw the plan of unit building

Patterns drawn by horizontal orthogonal projection method and corresponding legends.

Building plan, referred to as plan for short, is a layout plan of walls, doors, windows, stairs, ground and interior of a new building drawn by horizontal orthographic projection method and corresponding legends.

The general method of building plan drawing is to design and set the drawing environment according to the scheme to be drawn, then determine the axis network, axis number and column network, and then draw the walls, doors and windows, balconies, stairs, awnings, steps, aprons and equipment. It is necessary to mark the preliminary dimensions.

The steps of drawing unit plan are as follows: select straight line and offset command, draw shaft grid, select offset command, offset shaft grid with distance of 180mm, select trim command, trim figure, select straight line command, draw stairs with width of 280mm, select rectangle command, draw elevator part, select straight line command, draw door and window position, select rectangle and arc command, and draw door and door opening.

The building plan mainly reflects the shape, size, internal layout, floor, specific location of doors and windows, occupied area, etc. Therefore, the plan is an important basis for the construction of new buildings and the layout of construction sites, and it is also the basis for planning and designing the plan of water, heating, electricity and other professional projects and drawing the comprehensive map of pipelines.