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Downtown Santa Monica Retrofit

Seismic Retrofit for Downtown Santa Monica Mixed-Use Building


Santa Monica, CA


37,757 SF

Project Status


Construction Value


Scope of Work

General Contractor

Project Partners

Simpson Gumpertz & Heger


DD+B was contracted for a URM seismic retrofit at a mixed-use property in downtown Santa Monica, California. Because the building was partially occupied, careful consideration and coordination were required to ensure that the property’s multiple tenants (including retailers, a restaurant and office tenants) were minimally impacted. Work on the foundation and steel bracing in the basement required hand-digging and removal of earthwork, and we added new concrete shear walls in locations throughout the building to mitigate discrepancies with past retrofits, improving the overall seismic capacity of the building. Working closely with the City of Santa Monica, we additionally replaced the existing sidewalks and managed safety within the public right-of-way. Despite challenges on this project, DD+B executed on an aggressive timeline, maintaining move-in dates for new tenants.

Key Project Details

Leveraged strong relationships with the City to ensure an efficient permitting and construction process.

Effectively managed public safety while working within the public right-of-way.

Minimized impact on existing tenants of the occupied building.

Mitigated past retrofitting work done at the site, which resulted in a significant overall improvement of the building’s seismic capacity.