88 Broadway Housing Developments


Bridge Housing Corporation


Geotechnical Engineering Environmental Engineering Testing and Observation Construction Instrumentation


San Francisco, CA

Project Overview

The development is located at 88 Broadway and 735 Davis in North Beach, San Francisco, and includes 178 affordable housing units designated for family or senior residents. The project includes the construction of a new 6-story building with up to 130 units, including a mix of studios, one-, two-, and three-bedroom units. Resident amenities include retail and commercial spaces, midblock landscaped pedestrian passages, and a variety of landscaped terraces and rooftop open spaces. A 52-unit senior housing development was also constructed as part of the project to provide multigenerational living for the occupants of these new housing units. 

Engeo's Role

ENGEO provided geotechnical and environmental services for this multi-unit, affordable housing development. Existing neighboring historic buildings limit the use of a conventional driven pile system and required proprietary techniques to advance deep foundations into bedrock.  

Our engineering team provided a value-engineered foundation design and collaborated with the pile designer and the structural engineer to design a cost-effective foundation system in the challenging conditions of this waterfront project.  

Our environmental team provided regulatory guidance for compliance with Maher Ordinance requirements for development. Extensive environmental characterization studies were performed to assess soil, groundwater, and soil gas conditions across the site. Our submittals received swift approval by the San Francisco Department of Public Health (SFDPH), who we worked closely with on behalf of Bridge Housing.  

During construction, our field team performed construction monitoring of sensitive adjacent buildings. We observed the construction of piles and performed environmental excavation and air monitoring and sampling. 


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