Fully implement BIM standards and sharing between consultant and supplier. Client otherwise pays double: consultants develop models independently, and suppliers interpret and develop the models they need on their own. This duplication of effort costs time and money.
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Advice
Example of a mainly successful project: Brock Commons — involved a high degree of collaboration: Integrated Design Process — design offered 3-4 options for every connection, which every stakeholder vetted — invested in building a mock-up, where many problems were solved in advance of construction — the design worked with standard panel sizes
Advice
Tolerances are different for each different trade. Mitigate potential problems with communication in the procurement phase.