Providing premier environmental and geotechnical solutions since 1988.

Area H Levee (The Preserve at Redwood Shores)

San Mateo County

Treadwell & Rollo’s geotechnical investigation for a proposed 2000-foot-long levee for Area H included drilling borings, performing Cone Penetration Tests and performing laboratory tests to evaluate the subsurface conditions and ...

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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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Crystal Springs Bypass Tunnel

San Mateo County

Treadwell & Rollo, as part of the Polhemus Technical Advisory Panel (PTAP), reviewed the results of geotechnical investigations and design work performed by others for the planned new Crystal Springs ...

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Mills-Peninsula Hospital

San Mateo County

The Mills-Peninsula Hospital is the first in Northern California with a base-isolation structural system. This is part of a five-phase project that includes an acute care hospital, central plant, medical ...

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Oracle

San Mateo County

Treadwell & Rollo performed geotechnical investigation for Oracle Headquarters and adjacent Island Parkway Campus.  Our team developed foundation design criteria for office buildings, parking structures on both sites, as well ...

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South San Francisco Ferry Terminal – Oyster Point Marina

San Mateo County

Treadwell & Rollo is providing geotechnical services to the San Francisco Bay Area Water Transit Authority for the proposed ferry terminal.  Plans include landside improvements for vehicular access and parking, ...

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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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