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buildingSMART alliance BIM Information Exchange Demonstration

BIM Information Exchange Demonstration

JULY 23-25, 2008

COBIE Implementation Testing: AutoDesk
Revit direct export to XML spreadsheet

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 Construction Operations Building Information Exchange (COBIE) conducted for the 23-25 July 2008 Building Information Modeling Information Exchange Demonstration.

The COBIE file was submitted in the MS Excel 2003 XLS spreadsheet format. This format can be "saved as" MS Excel 2003 XML spreadsheet format for translation to an equivalent IFC model using the ifcCOBIE program. The XLS spreadsheet can also be opened directly by MS Excel for use during construction and commissioning.

AutoDesk COBIE File via direct submission to COBIE Spreadsheet

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.
Revit source file
COBIE XLS spreadsheet
Checker file results
Qualitative Evaluation
   05-System Worksheet
  • Many unused systems defined
   06-Register Worksheet
  • C/T ratio 1.786 = 25 components / 14 product data register types (adequate, given the small number and variety of components)
  • Some invalid assignments to systems
   Other sheets provided None
Additional Comments The sample file submitted included architecture spaces, sanitary, equipment and HVAC systems.

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.


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