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John Holm opened by mapping the Sutter lean process with the Five Big Ideas. The project is in Mountain View, CA. It is a $100 million medical office building on a site that is 95% covered. At this time about 75% of the work is in place. DPR Construction is the GC. Some of those results
- RFIs' 393 in 20 months; 287 are confirming only; only 106 required changes to the drawings.
- Using BIM to produce a setting for collaboration among the designers (engineers and architects) and the detailers (sub contractors). The result is a trusting environment.
- Getting a 2x savings during construction
- Significant prefabrications were delivered on a twice-a-day basis.
- There was no rush to "get in first". People trust that others won't make their work difficult.
Lessons:
- There's no such thing as a project that is over planned
- Lean construction is safer than the usual approach. Only 2 cuts on hands during the project.
- Specialty contractors need advocates to get actions quickly…perhaps a design-assist coordinator
- The last responsible moment for making decisions and commitments has been critical to the success…all the way to the CEO of the medical center.
- Detailing is cheaper than rework
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