Forums >> General Discussion >> Revit Project Management >> Integrated Project Delivery

Tbanks

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Joined: Mon, Aug 27, 2007
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Is there anyone out there using the Integrated Project Delivery system? It would be interesting to hear how the model is being shared with the colaborative team.

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WWHub

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Joined: Tue, May 16, 2006
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Autodesk just had a webinar on this last week where they showed the process they used in their new offices.  They said they would have that availbale on their web pages in a couple of days.  I suggest you look there and if not already posted, it should be this week.

Here was the Title: Sustainable Design Webcast Series: On Track for LEED Platinum: A BIM, IPD and Sustainable Design Case Study  

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mgr2820

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Joined: Sat, Sep 1, 2007
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I have been involved in 2 IPD projects and this is my experience / advice:

• Large construction companies have Virtual Construction divisions with pre-determined modeling protocols. The construction industry has been using 3d modeling for some time to improve constructability, estimating and scheduling. Most of these firms will be using Archicad with Constructor for modeling/estimating and Navis for clash detection and sharing the constructability. Define your model sharing protocols before the start of the project. Revit exports to constructor and Navis are not perfectly clean; identify elements that export incorrectly..
• It is important to define the scope of the design models (Models provided by the A&E team) to the parameters set in Revit. Contractors will argue for additional modeling to be provided by the A&E team..fight against this! for example Structural should not be modeling structural connections and Architectural should not be modeling light metal framing. This is the contrators responsibility to be done in the fabrication / coordination model. This model should also include sub-contractors modeling of the various systems in their software i.e. CAD duct, or X Steel. It all comes together in the Navis model and then the contrator shares it with the A&E team.
• Have a project FTP site that can handle large models.
• Do not let your consultants rename their model backgrounds (this creates confusion when the contractor attempts to put the models back together). Architecture should control the posting of models from the A&E team.
• The asbuilt model should not / can not be a revit model...should be the Navisworks model.
• The contractor will typically export the sheets from Revit to autocad for the subs. Review CAD export, Revit visibility and Re-linking models with the contractor- this saves alot of headache..for example- room separation lines and reference lines will export to CAD unless these are turned off in the visibility settings.
• In a large project, the consultants and contractors must have the same hardware as the Architectural team. Since the architectural models will be the largest, the architectural team sets the standard. If you are working in 64 bit, 12 GB Ram with a 150 mb file, the contractor will not be able to work if he has a 32 bit platform (he will run out of memory each time he exports to CAD.) Everyone complains about this, but its just the reality of large projects in revit.

I have read the Autodesk papers on IDP. but they do not reflect my experience with software protocols in a large project (over 300,000 s.f.)

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