Providing premier environmental and geotechnical solutions since 1988.

America Center

Santa Clara County

Treadwell & Rollo is providing geotechnical and environmental consultation for this 70-acre shoreline development of a former landfill.  The project consists of four six-story buildings, a hotel, and a large ...

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Building C Investigation and Soil Remediation

Santa Clara County

Treadwell & Rollo has been providing environmental engineering services for NSC's Building C site, since 2004. We performed a soil remediation project inside a building over the 2009 Christmas-New Years ...

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Sunnyvale Town Center Mall Redevelopment

Santa Clara County

Sunnyvale Town Center Mall was redeveloped for retail, commercial and residential use. Treadwell & Rollo provided environmental services, evaluating subsurface soil gas, soil and groundwater.  We also provided remediation services ...

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VA Palo Alto Health Care System (VAPAHCS)

Santa Clara County

Treadwell & Rollo managed a geotechnical investigation for new medical facilities at the VAPAHCS, including a new 3-story Polytrauma Building and 5-story Ambulatory Care Facility. Additional facilities included a new vivarium ...

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