Treadwell & Rollo Inc

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Operational since 1988, Treadwell & Rollo has been a provider of environmental and geotechnical solutions. Located in Oakland, Calif., the company also offers earthquake engineering consulting solutions. Its wide range of services includes alternatives evaluations, groundwater flow/transport modeling, soil vapor mitigation design/construction oversight, foundation dewatering design/evaluation, groundwater basin analyses and seismic evaluation of landfills, to name a few. The firm s geotechnical expertise is applied in various projects, such as urban/port developments, quarry planning, bridges, embankment dams, landfill slopes/covers and excavations for buildings.