Thornton Tomasetti San Francisco office. Benjamin Grimes photo.
Thornton Tomasetti’s San Francisco office is located at 650 California Street, a 34-story, LEED Gold building in the Financial District. The tenant space has 66 workstations in an open work plan, three conference rooms, two focus rooms, a wellness room, a café and a “living room.” The layout of the space was designed to foster collaboration and take advantage of excellent city views. The office is certified Platinum under LEED for Commercial Interiors (LEED CI) v4, the latest and most stringent United States Green Building Council (USGBC) rating system. The project is one of only 25 LEED CI projects worldwide that are participating in the v4 beta program, and the first commercial interiors project to achieve LEED v4 Platinum certification in the United States.
To meet the beta program’s goal, the project incorporates multiple sustainability strategies. Water use is reduced by 35 percent through efficient plumbing fixtures and 50 percent of the materials used were procured from manufacturers who provide transparent disclosure of materials sources and environmental impacts. In addition, more than 90 percent of the project’s construction waste was diverted from landfills. The project achieved energy cost savings of 22 percent through efficient HVAC systems and appropriate zoning; an advanced energy metering system tracks, manages and identifies additional energy-saving opportunities. Lighting controls, occupancy sensors and daylight photos sensors further reduce energy usage.
Thornton Tomasetti administered the LEED coordination and documentation process with the USGBC throughout the design, construction phases and will continue through to certification.
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