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Building Type: Commercial
Original Structure Type: Concrete
Retrofit System Type: Concrete
Year of Retrofit: 1997
Uploaded by: Tipping Mar
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1000 Van Ness

This historic building on Auto Row in San Francisco was seismically renovated and a new steel framed structure added above a new seven-level, below-grade parking garage. The 450,000 sf project includes fifty residential units, twelve movie auditoriums, several restaurants, retail stores, and a health club. To minimize the disruption of usable space by concrete shear walls, in-slab collectors were built to direct seismic forces from the old building to the new steel frame. The foundation of the project is one of the first examples of micropile technology in San Francisco. At the last minute, incoming tenant Crunch Fitness Center requested a large opening be made through a just-completed transverse shear wall to add architectural drama to their space. We accommodated their request by adding shotcrete (a pneumatically applied hybrid concrete) reinforcement around the new opening.

Structural Engineer: Tipping Mar (www.tippingmar.com)
Architects: Field Paoli (base building) and David Baker + Partners (residential)
Contractor: DPR Construction
Owner/Developer: TMG Partners, Holliday Development, Burnham Pacific