South Lathrop Commerce Center


CHI Development GP, LLC


Lathrop, California

Project Overview

The South Lathrop Commerce Center is an approximately 245-acre master planned industrial development. The 4.2-million-square-foot development included nine tilt-up concrete buildings ranging in size, from 282,000 square feet to over 1,000,000 square feet. Additional improvements for the logistics center included detention and retention basins, paved streets, parking, and drive lanes, a stormwater pump station and outfall, and a sewer lift station. Site development activities included grading operations, primarily consisting of minor cuts and fills, for individual pads and roadways, underground utility installation, pump station and outfall structure construction, flexible and rigid pavement construction, and vertical construction.

Engeo's Role

ENGEO conducted several Phase I ESAs for the site and offsite improvement areas. To address potential impacts to site soils due to past agricultural use, ENGEO performed limited soil sampling and analysis as part of a Phase II ESA. We prepared a Soil Management Plan to provide protocols for the excavation and management of impacted soil that might be encountered during grading. In addition, ENGEO conducted geotechnical explorations and prepared a design-level geotechnical report. Primary geotechnical challenges at the site included expansive soils, potentially liquefiable soil, and shallow groundwater. ENGEO provided design-level geotechnical recommendations to mitigate potential impacts associated with these conditions. During construction, ENGEO provided services including construction testing and observation, SWPPP management, and ongoing geotechnical consultation to assist development activities.


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