SAN FRANCISCO—TMG Partners' 680 Folsom St. and 50 Hawthorne St. have received LEED Platinum certification. Thornton Tomasetti, ab international engineering firm, provided sustainability consulting and renovation services for the approximately 522,000-square-foot, two-building office and retail campus in the South of Market District.
Thornton Tomasetti was retained by the owner to manage the LEED certification process, which included providing a sustainability strategy to the design team, tracking compliance with LEED during design and construction, and reviewing and submitting documentation to the Green Building Certification Institute. The project team included architects Skidmore, Owings & Merrill and contractor Plant Construction Co.
Key Sustainability Points include:
- The 14-story 680 Folsom St. received a two-floor, 100,000-sf expansion. Renovation work included seismic upgrades and a new core.
- Both 680 Folsom St.and the three-story 50 Hawthorne St. received new stairs and elevators, exterior curtain walls and storefronts, new MEP systems with a mechanical penthouse, and new fire/life safety systems.
- The sustainability measures put into place at the complex reduced water usage by 41% through efficient plumbing fixtures.
- Energy cost savings of more than 31% from code are achieved through efficient HVAC systems. Additionally, daylighting at the property is available to 84% of the regularly occupied spaces, which contributes to the energy savings and occupant satisfaction.
- The complex features a green roof deck and courtyard garden between the two buildings. The project team developed and implemented a green housekeeping program for both properties as well.
- Additionally, three of Thornton Tomasetti's sustainability projects in the San Francisco area recently achieved LEED Gold: the 90,000-square-foot California State University San Marcos Student Union; Tishman Speyer's 298,694-square-foot Foundry III office building; and Terminal Three, Boarding Area E at the San Francisco International Airport.
As GlobeSt.com previously reported, TMG acquired the two office buildings for an undisclosed price in 2010. At the time, the Folsom Street property was the third transaction for TMG in the SOMA area that year and the 14th in its history.
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