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 ...
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330 and 335 Berry Street (Mission Bay Blocks N4 Parcel 2 and N4A Parcel 2)
San Francisco County
Treadwell & Rollo performed a geotechnical investigation and provided geotechnical services during construction for San Francisco’s new affordable housing project at 330 and 335 Berry Street. Each site will have ...
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555 Mission Street
San Francisco County
Treadwell & Rollo provided environmental, geotechnical and seismic services for 555 Mission Street, a project consisting of a 33-story, 485-foot-tall office building over two underground basement parking levels. We performed ...
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888 Howard Street (Intercontinental Hotel)
San Francisco County
Treadwell & Rollo performed a geotechnical investigation and provided geotechnical services during construction of the Intercontinental Hotel at 888 Howard Street near Moscone Center. The development includes a 40-story tower, a ...
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990 Polk Street – Polk Street Senior Housing
San Francisco County
Treadwell & Rollo performed a geotechnical investigation of the new nine-story residential building at 990 Polk Street. Because of the presence and the depth of loose sand, we recommended the building ...
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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 ...
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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 ...
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Genetics and Developmental Sciences, Building 19B, UCSF Mission Bay Campus
San Francisco County
This UCSF site development project consists of a new five-story steel-frame building with research, laboratory and educational facilities. Treadwell & Rollo performed a geotechnical investigation, probabilistic seismic hazard analysis and ...
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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 ...
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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 ...
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Neuroscience Lab, Building 19a, UCSF Mission Bay Campus
San Francisco County
Reclaimed in the 1880s, the Building 19a site in the new UCSF Mission Bay campus is underlain by heterogeneous fill, weak and compressible Bay Mud, dense sand, and bedrock. ...
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Candlestick Cove
San Francisco County
The Candlestick Cove project is a 16-acre residential hillside development project located at Candlestick Point in San Francisco, California. Treadwell & Rollo, Inc. performed a geological and geotechnical investigation for ...
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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 ...
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Cathedral School for Boys
San Francisco County
Treadwell & Rollo, Inc. completed a geotechnical investigation for the classroom addition to the Cathedral School for Boys at the southeast corner of the intersection of Jones and Sacramento Streets ...
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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. ...
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Drew School
San Francisco County
Treadwell & Rollo, Inc. performed a geotechnical investigation for the assembly wing at the Drew School in San Francisco, CA. The school is located in lower Pacific Heights at the ...
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EcoCenter
San Francisco County
Located at Heron's Head Park, a former landfill, this urban educational center was built using recycled materials and boasts a vegetation roof. Now open, the building operates 100 percent by ...
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Eighth Avenue Slope Stabilization
San Francisco County
Treadwell & Rollo performed an investigation of hillside soil movement as part of our on-call emergency contract with the City and County of San Francisco. Earthquakes in 1989 triggered displacement ...
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Ghirardelli Square Renovation Project
San Francisco County
Treadwell & Rollo performed a foundation investigation for the seismic strengthening and renovation of the two-story Clock Tower and Mustard Buildings and the five-story Chocolate and Cocoa buildings at Ghirardelli ...
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Gleeson Library, University of San Francisco
San Francisco County
University of San Francisco's Gleeson Library, originally designed for 300,000 volumes, now has nearly 700,000 volumes, as well as journals, microfilms, and special Rare Book collections. Treadwell & Rollo performed ...
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Our Lady of Peace Garden Crypts Addition, Holy Cross Cemetery
San Francisco County
Treadwell & Rollo provided geotechnical engineering for four crypts, an extension of Avenue "A" pavement, and various planters for the Holy Cross Cemetery. The crypts are 15 feet wide, 20 ...
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Illinois Street Bridge
San Francisco County
Treadwell & Rollo performed a geotechnical investigation and provided services during construction for the Illinois Street Bridge located at Islais Creek Channel. The intermodal bridge, designed for pedestrian, automobile, and ...
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J. David Gladstone Institute – Parcel 2, Blocks 41-43, Mission Bay
San Francisco County
Treadwell & Rollo performed a geotechnical investigation to evaluate subsurface conditions at the site and provided geotechnical recommendations for this six-story laboratory and research facility. We provided recommendations for pile ...
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Mission Bay Parks NP1-NP2
San Francisco County
Treadwell & Rollo, Inc. performed a geotechnical investigation for shoreline park(s) NP1-NP2 in Mission Bay. Park development includes a pile-supported, water overlook structure, hinged slab walkways, and geofoam landforms. Other ...
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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 ...
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Museum of Modern Art
San Francisco County
Treadwell & Rollo provided environmental and geotechnical services for construction of the Museum of Modern Art. For the geotechnical investigation, directed at defining the marsh deposits around the site perimeter, ...
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Notre Dame Des Victoires Church
San Francisco County
The Notre Dame Des Victories Church project involved the design of foundations for the seismic upgrade of the concrete and brick one-story structure with a basement, choir loft, and two ...
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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 ...
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Palace of the Legion of Honor
San Francisco County
Treadwell & Rollo provided geotechnical engineering services for an addition and seismic improvements to The California Palace of the Legion of Honor. The building is supported on shallow spread foundations; ...
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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 ...
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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 ...
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San Francisco Conservatory of Flowers
San Francisco County
The Conservatory of Flowers, erected in 1878, is a San Francisco Landmark and is listed in the National Register of Historic Places. As the oldest building in Golden Gate Park ...
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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 ...
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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, ...
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St. Regis Museum Tower
San Francisco County
Treadwell & Rollo performed a geotechnical investigation at the St. Regis Museum Tower site, a 42-story hotel and residential building supported on a mat foundation bearing on dense sand. To construct ...
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The Emporium, 835 Market Street (Bloomingdale’s)
San Francisco County
Treadwell & Rollo performed a geotechnical investigation and provided geotechnical services during final design and construction of The Westfield Center at 835 Market Street. The historic Emporium building was demolished except for ...
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The Radiance (Blocks 10 and 10A) Mission Bay Residential Development
San Francisco County
This two-building residential development required environmental and geotechnical services. Our engineers evaluated seismic hazards, settlement and foundation support. Once we ascertained that there was a potential for liquefaction, Rapid Impact ...
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The Walt Disney Family Museum
San Francisco County
Treadwell & Rollo performed the geotechnical investigation for the Walt Disney Family Museum at Buildings 104 and 122 at the Presidio in San Francisco. Buildings 104 and 122 are two-story ...
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Treasure Island
San Francisco County
Since 1995, Treadwell & Rollo has assisted the City and County of San Francisco, Military Base Conversion Office, Citizens Reuse Committee, and the Treasure Island Development Corporation with the Treasure ...
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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 ...
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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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