Services & Projects
301 Mission Street
San Francisco County
Treadwell & Rollo performed geotechnical, environmental, and earthquake services for this 60-story tower with retail and living space, 12-story structure with office and living space, 5-story structure with retail and ...
View Project Details »Asian Art Museum
San Francisco County
Treadwell & Rollo and Olivia Chen Consultants provided geotechnical, foundation, and ground motion design criteria for seismic retrofit of the existing structure and design of an addition to the new ...
View Project Details »AT&T Park
San Francisco County
Treadwell & Rollo performed a geotechnical investigation and probabilistic seismic hazard analysis for the AT&T Park Baseball Stadium, which includes a playing field, seating area for 42,000 people, and stadium ...
View Project Details »Campus Housing, Building 20, UCSF Mission Bay Campus
San Francisco County
Treadwell & Rollo performed the geotechnical investigation for Building 20 at the new UCSF Campus Housing, a site that provides housing for more than 750 UCSF students, postdoctoral scholars and ...
View Project Details »Campus Community Center, Building 21B, UCSF Campus, Mission Bay
San Francisco County
Treadwell & Rollo performed geotechnical services for the Community Center at the new UCSF campus, a development consisting of a new four-story building with conference, recreational and dining space. The ...
View Project Details »Pacific Campus - California Pacific Medical Center
San Francisco County
Treadwell & Rollo performed a geotechnical investigation for an Ambulatory Care Building, Medical Office Building, and Research Building proposed for CPMC’s Pacific Campus, all with below-grade parking. Excavations up to ...
View Project Details »Cathedral Hill Campus - California Pacific Medical Center
San Francisco County
Treadwell & Rollo performed the geologic hazard evaluation and geotechnical investigation for the proposed Campus, which includes the Hospital and Medical Office Building. The Hospital, which will occupy a city ...
View Project Details »City College of San Francisco (CCSF) Chinatown/North Beach Campus
San Francisco County
Treadwell & Rollo performed a geotechnical investigation, geologic hazard evaluation, and site-specific seismic response study for the Chinatown/North Beach Campus of City College of San Francisco (CCSF) in San Francisco, California. ...
View Project Details »Golden Gate Bridge
San Francisco County
The Golden Gate Bridge seismic retrofit included replacement of four steel towers supporting the approximately 1000-foot-long, six-lane north approach viaduct. To provide temporary foundation support, 6-foot-diameter, cast-in-drilled-hole piles were installed ...
View Project Details »Mission Bay Parks NP3-NP5
San Francisco County
Shoreline Parks NP3-NP5 in Mission Bay was developed with several new structures, including a maintenance building, a kayak storage facility, and pedestrian bridges that cross over a drainage swale. Other ...
View Project Details »One Rincon Hill
San Francisco County
Completed in 2008, the 60-story South Tower of One Rincon Hill is the tallest residential building in California; the North Tower will be 47 stories when completed in 2010. The ...
View Project Details »Orpheum Theatre
San Francisco County
We performed a geotechnical investigation for the remodeling and upgrade of the 1920s-era Orpheum Theatre in downtown San Francisco, a five-story, concrete-encased, steel-frame structure over a deep basement. Remodeling included ...
View Project Details »Pier 48 Earthquake Damage Repair
San Francisco County
Treadwell & Rollo performed a geotechnical investigation for repair of the head structures at Pier 48 Sheds A and B, which were significantly damaged as a result of the 1989 Loma ...
View Project Details »Port of San Francisco - Pier ½ and Ferry Building
San Francisco County
Treadwell & Rollo provided geotechnical and earthquake engineering services for the seismic retrofit and replacement of Pier ½. This included the construction of new pile-supported platforms around the Ferry Building and ...
View Project Details »San Francisco Ferry Terminal
San Francisco County
With Treadwell & Rollo as the geotechnical and earthquake consultant, work on the first phase of the San Francisco Ferry Terminal project began in February 2000. The project entails constructing ...
View Project Details »San Francisco New General Hospital
San Francisco County
As part of the San Francisco General Hospital (SFGH) Rebuild Project, Treadwell & Rollo is currently providing geotechnical services to the San Francisco Department of Public Works and SFGH during ...
View Project Details »San Francisco Unified School District (SFUSD)
San Francisco County
Treadwell & Rollo performed geologic hazard evaluations, geotechnical investigations, and developed site-specific response spectra for improvements at numerous San Francisco Unified School District (SFUSD) schools. Projects ranged from new buildings, ...
View Project Details »Yerba Buena Gardens, Parcel 3
San Francisco County
Yerba Buena Gardens is a ten-acre site that includes the Center for the Arts Galleries and Theater, an outdoor stage, and several cafés. Treadwell & Rollo performed geotechnical and environmental ...
View Project Details »Yerba Buena Island Landslide
San Francisco County
Treadwell & Rollo provided emergency consultation to stabilize a landslide at Yerba Buena Island that resulted in closure of the western viaduct between the Bay Bridge and Treasure Island. Emergency ...
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