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buildingSMART alliance BIM Information Exchange Demonstration

BIM Information Exchange Demonstration

JULY 23-25, 2008

SCIE Implementation Testing: AutoDesk
Revit via IFC Coordination View File

by Nicholas Nisbet MA (Cantab) DipArch (UNL) - AEC3 and William East, PE, PhD - Engineer Research and Development Center, U.S. Army Corps of Engineers

The following table provides the analysis conducted to evaluate software manufacturer compliance with the Spatial Compliance Information Exchange (SCIE) conducted for the 23-25 July 2008 Building Information Modeling Information Exchange Demonstration.

The SCIE Requirements include the provision of a COBIE file that uses space classification based on OmniClass Table 13 "Spaces by Function" to provide a user-neutral format for the exchange of spatial compliance information. At this time the harmonized BOMA / IFMA space classification standard (ASTM E1836-08 Standard Practice for Building Floor Area Measurements) is the default COBIE and SCIE requirement. Owners must identify specific zoning requirements in SCIE specifications, which were not tested during the July 2008 demonstration.

AutoDesk SCIE File via extended IFC 2x3 Coordination View

Software Name Revit
Software Version Not provided by vendor during the meeting.
Optional configuration(s) Not provided by vendor during the meeting although the information was explicitly requested prior to the meeting. Please contact the vendor directly for this information.
IFC file submitted
SCIE XML spreadsheet
Checker file results 1
Qualitative Evaluation
   01-Contact Worksheet
  • No issues
   02-Facility Worksheet
  • Facility not named
   03-Floor Worksheet
  • No issues
   04-Space Worksheet
  • Aggregate spaces present with area measures
  • Incorrect areas documented
Additional Comments The sample file submitted included architecture spaces, sanitary, equipment and hvac systems.

1 The web-based XML spreadsheet checker tested required designer-side worksheets only. Optional worksheets contained in the file such as detailed building geometry and default worksheet data created by the ifcCOBIE program for use by construction contractors, may have been removed to ensure the checker operates without Java memory errors.

Implementation Support

Some local software manufacturer sales representatives may not be familiar with the performance-based, open-standard information exchange formats tested during the July 2008 meeting. As a result, these sales representatives may not be able to assist your use of this format. It is suggested that users contact vendor technical support and request "higher tier" technical support services.

There are also several third-party support contractors who have been involved in the development of these formats that could be of assistance. For information about these contractors, please post a request for assistance on the buildingSMART alliance list service. You will need to join the Alliance to use this service.

Another resource that might be helpful is a peer-to-peer forum supporting the Model Support Group of the International Alliance for Interoperability's ( The purpose of this forum is to help users find and share answers to their own questions regarding IFC-based information exchanges. This forum was used during the vendor communications leading to the July 2008 demonstration; as a result vendor technical staff may be reviewing forum postings to support their users. You must register, and be approved, for this forum however use of the forum is free of charge, at this time.


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