CE&G was retained to provide an independent third party geotechnical and geologic review of three planned residential development projects, Dublin Ranch, Fallon Village, and Moller Ranch, in the east Dublin hills. These three projects were each multi-year, major residential subdivisions with multi-million cubic yards of hillside earthwork.
CE&G met with the developer’s geotechnical consultant and the City to understand the scope of the project from a geotechnical perspective and then completed a geotechnical peer review of planned mass grading for the development which was to be completed over several years. Based on the review, the scope of remedial grading and monitoring of deep fills at the site were revised and grading permits were issued. During the mass grading operations for the project, CE&G’s Principal Geologist, Mitch Wolfe, provided special geological observations on behalf of the City. The geologic observations were focused on confirming subsurface conditions during grading and reviewing modifications proposed by the developer’s geotechnical consultant. Grading took place over several years and included over 8 million cubic yards of earthwork and repair of numerous large ancient bedrock landslides in a hillside environment. After the completion of the project, a Geologic Hazard Abatement District (GHAD) was created. CE&G reviewed the proposed Plan of Control and Engineer’s Report which formed the basis of the GHAD formation and provided detailed recommendations to the City regarding suggested changes to those documents prior to their approval and adoption.