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Jackson Square

San Francisco, CA

Site: 60,000 sf     No. Stories: 2 stories

Located in the heart of the Jackson Square Historical District, this complex renovation focused on the reconstruction of four historical buildings into office space and retail use. At two stories and 60,000 sf, seismic upgrades were made to these previously un-reinforced masonry buildings. The four historic buildings are indicative of brick bearing wall construction, typical of structures constructed in the late 1800s. As such, the challenge was to renovate and connect the buildings as the exterior originally appeared, while simultaneously transforming the interiors with modern materials and infrastructures. Seismically upgrading the buildings for the 21st century was accomplished by using steel bracing discreetly hidden behind the exterior building fronts.