National CAD Standard is voluntary, however adopting companies and agencies can require its use by their associates. National CAD Standard The National CAD Standard (NCS) is a collaborative effort in the United States among computer-aided design (CAD) and building information modeling (BIM) users. Its goal is to create a unified approach to the creation of building design data. Development of the NCS is open to all building professionals in a collaborative process led by the buildingSMART Alliance. The NCS is composed of CAD layer guidelines from the American Institute of Architects, uniform drawing system modules from the Construction Specifications Institute, and BIM implementation
Caddie (CAD system) A Microsoft Windows version of Caddie was not released until 1993. In 1998, Caddie was acquired by the South African software development company Billcad Holdings. By this time, Caddie had about 11 000 users. In 1999, Billcad became Planit Technology. In early 2001, Planit Technologies went into liquidation. By March 2002, the British company Advanced Computer Solutions (ACS) bought all the rights from the South African holders and also acquired the Caddie operation within South Africa. ACS was previously Caddie's British distributor. ACS has offices in South Africa and the United Kingdom. Caddie (CAD system) Caddie is a mid-range computer-assisted