The project was delivered using lean construction and integrated project delivery (IPD) techniques designed to maximize overall production value and reduce waste while maintaining the highest quality. For example, over 90% of the demolished Emporium building was recycled. DPR reused all of the concrete from the demolished building, which saved approximately $450 thousand in transportation, material, and landfill fee costs. The steel and aluminum went to American Steel in San Jose, finding new life as cars, cans, and other products made from recyclable materials.
Along with lean construction practices, DPR developed three-dimensional (3-D) and four-dimensional (4-D) virtual building models that resulted in a more efficiently delivered project. Early on, the virtual building models, which incorporate the element of time into 3-D computer-aided-design drawings, helped communicate sequencing issues during design coordination. The models were used during the MEP installation and enabled the prefabrication of most of the materials for just-in-time delivery. This process, according to the MEP subcontractors on the project, improved productivity by as much as 20 percent on this part of the project.