National CAD Standard 

The National CAD Standard is a collaborative effort in the United States between the National Institute of Building Sciences, the American Institute of Architects, and the Construction Specifications Institute, to create a unified approach to the creation and collaboration of building design data by means of building information modeling and integrated into CAD software such as MicroStation and AutoCAD.

See also

BIM

External links

 This standards- or measurement-related article is a stub. You can help Wikipedia by expanding it.