Computer-Aided Design.
CAD replaced hand drafting as the preferred method of designing during the 1990s. CAD files can be created in either 2-D or 3-D, enabling fly-through design review before construction. CAD remains a vital part of the BIM process for generating construction documents.
View standards
A/E/C CAD standards.
The A/E/C CAD Standard and A/E/C Graphics Standard eliminate redundant CAD standardization efforts within DoD and the Federal Government.
A/E/C CAD Standard Release 6.2
Current standard document for CAD data and production practices.
A/E/C Graphics Standard Release 2.2
Graphics conventions supporting consistent deliverables.
A/E/C Symbols Guide Version 2.0
Shared symbols for project documentation and standards compliance.
Frequently Asked Questions
Updated FAQ and release-change guidance.
CAD Drafting Standard R1.0
Archive resource for historical reference.
National CAD Standard V6
Enterprise-license guidance for USACE personnel.
US National CAD Standard.
The CAD/BIM Technology Center and USACE have been strong supporters of NIBS in its promotion and development of the National CAD Standard.
Open CAD Details