This standard specifies the uniform rules for drawing in the process of building construction computer-aided design (hereinafter referred to as CAD). Mainly includes definitions, 2D cartography, 3D graphics, layers and file exchange formats. This standard applies to CAD drawing and software development in related fields of building construction and construction engineering, and also applies to building, displaying and drawing building CAD graphics and related technical documents in computers and their peripheral equipment.
GB/T 18112-2000 history
2000GB/T 18112-2000 General rules of drawings in building engineering CAD