Services & Projects
20 North Almaden Avenue (San Pedro Square)
Santa Clara County
Treadwell & Rollo performed an Environmental Site Characterization for San Pedro Square, an approximately 38,637-square-foot, asphalt-paved vacant lot. Development will include the construction of a 20- to 22-story concrete building ...
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360 South Market Street (formerly The Heritage)
Santa Clara County
Treadwell & Rollo provided environmental services for this site, formerly known as The Heritage. Our recommendations addressed excavated and stockpiled soil, some of which contained elevated chromium and petroleum hydrocarbon ...
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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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Lexington Quarry Hydrogeologic Peer Review
Santa Clara County
Treadwell & Rollo performed a third-party hydrogeologic peer review for Lexington Quarry in connection with a Draft Environmental Impact Report (DEIR) for proposed quarry modification and expansion. Because several homes ...
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National Semiconductor Corporation (NSC)
Santa Clara County
At NSC Santa Clara, a Superfund site, Treadwell & Rollo effected a 50% reduction in groundwater extraction well operation, resulting in cost savings with minimal decrease in effectiveness. We have ...
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One South Market Street
Santa Clara County
Treadwell & Rollo performed an Environmental Site Characterization (ESC) for this site, an approximately 38,700 square-foot asphalt-paved vacant lot. Construction plans include building a 20- to 22-story building over three levels of ...
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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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The Axis, Almaden Boulevard - Environmental
Santa Clara County
Treadwell & Rollo provided geotechnical and environmental services during design and construction of the San Jose Condominiums building, a 21-story concrete building with 200 condominium units over three basement levels. Geotechnical ...
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The Plant Development
Santa Clara County
Treadwell & Rollo is providing environmental consulting services for this 35-acre commercial redevelopment, a former General Electric manufacturing facility. Our engineers are preparing drawings and specifications for mitigation of indoor ...
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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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