The use of building information models and virtual design were mandated for work on the Tom Bradley International Terminal at Los Angeles International Airport, and the specs required individual subcontractor models as well as a confederated -- or combined -- model. In this piece, William Klorman, CEO of W.M. Klorman Construction and a Fellow at ACI, outlines how it was done and why the confederated model is better, even though legal considerations could be an issue. "Clearly there have been reductions in the overall cost and time of the project, which are being shared by the Owner and the contractors," writes Klorman.
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