A consensus-based standard governing Building Information Modeling (BIM) for use in the United States will be passed along to numerous other countries including United Kingdom, Ireland, Canada, Korea, Australia and New Zealand in an effort to share information to allow for cost-effective building, according to the executive director of Building Smart Alliance (BSA) and staff member of the National Institute of Building Sciences (NIBS) Dana “Deke” Smith.

Smith says the standard was the obvious next step in the process for BIM.

“It’s to really get what we were expecting out of BIM by being able to share information, and, of course, that can be done with computers and with a standard than what the software vendors can write to that standard and information in that flow,” he says.

The Alliance rolled out the National BIM Standard-United State Version 2 last month during the 2012 American Institute of Architects (AIA) Conference and Expo in Washington, D.C. The previous edition—United States National Building Information Modeling Standard (NBIMS) Version 1 – Part 1 (V1P1): Overview, Principles and Methodologies—came out in December 2007. NBIMS V1P1 primarily established the approach for developing open BIM standards. Written by a team of 30 subject matter experts, the NBIMS V1P1 followed an open process but it was not a consensus standard, according to a BSA press release.

Alternatively, the newly released NBIMS-US V2 follows an open consensus process set by rules of governance established by the NIBS. During the development process, anyone was able to submit ballots to the standard and all members of the NBIMS-US Project Committee (which is open to any member of the NIBS in good standing) were able to provide comments and vote on ballots, according to the BSA release.

“If you don’t have a standard or if everyone is doing their own thing to gather their own standard then there’s no way to get the information to pass from one party to the next,” Smith says.

The BIM U.S. standards were separated into the approved ballots of three main categories: reference standards, information exchange standards (which are built upon the reference standards) and best practice guidelines that support users in their implementation of open BIM standards-based deliverables.

Smith says each nation planning to adopt the BIM standard will add more content as needed and then share their updates back with the U.S.



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