Providing premier environmental and geotechnical solutions since 1988.

Bay Meadows Race Track

San Mateo County

We performed a geotechnical investigation for the master plan development at Bay Meadows Race Track, encompassing the existing horse race track, barns, and parking lots. The proposed development consists of ...

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Freedom Circle Towers (3975 Freedom)

Santa Clara County

Treadwell & Rollo provided geotechnical services for the 3975 Freedom Circle project in Santa Clara. This site consisted of two, 12-story office buildings, a large 4-story parking structure, paved parking ...

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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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Lake Merritt Municipal Boathouse

Alameda County

The Lake Merritt Municipal Boathouse is a LEED Gold (pending), 17,000 square foot, mixed-use, steel and concrete building on the shore of Lake Merritt in downtown Oakland. Treadwell & ...

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Meridian Park Towers – Phase I

Sacramento County

Treadwell & Rollo performed a geotechnical investigation and provided geotechnical services during construction of Meridian Park Towers Phase I and completed a geotechnical investigation for the proposed Meridian Phase II ...

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Meridian Park Towers – Phase II

Sacramento County

Treadwell & Rollo performed geotechnical investigations for the existing Meridian Phase I and proposed Meridian Phase II projects ...

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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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Tracy Gateway Business Park Development

San Joaquin County

Treadwell & Rollo is providing geotechnical services and consultation for the Tracy Gateway Business Park development, a 538-acre site occupied by agricultural land and one single-family residence.  The proposed development ...

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VISA Metro Center

San Mateo County

Treadwell & Rollo provided services for the design and construction of VISA's West Coast headquarters in Foster City.  The project consisted of two, 12-story office towers and adjacent 4-story parking ...

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