Compared to the EMP and WDCH projects, Bay Street Emeryville was a much more straight-forward building design (1.25-million square feet of retail, entertainment, residential, and parking in five buildings, plus an internal street and a bridge), but presented other construction challenges. Site constraints on this project are extremely severe: tightly bounded on three sides by a big-box retail store, railroad tracks, and a creek, the site also contained contaminated soil from a previous industrial occupant, as well as human remains from a Native American burial ground. Then there was the project schedule: only ten months from start of construction to turnover of the first retail store space. DPR spent roughly US$40,000, less than 0.06% of the project's $72-million budget, to create a 3-D model from the 2-D project drawings and to merge the project schedule and 3-D model into a 4-D virtual building model. The resulting improvements in project sequencing shaved three weeks—or nearly 7%—off the original ten month schedule.
JL
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