G&D provides geotechnical engineering services on public works/utilities, commercial construction, and residential construction projects. Typical Services in this area include:

• Geotechnical exploration (soil borings and standard penetration testing) for residential, commercial, and public construction;
• Footing subgrade/foundation soils verification (either with standard drill rig or hand auger/DCP);
• Foundation engineering, including design of deep pile foundations and reinforced concrete slabs to mitigate poor or weak foundation soil conditions; as well as design of underpinning systems utilizing helical piers and other systems;
• Evaluation and rehabilitation of earthen dams and spillways including seepage and slope stability analysis.
• Pavement condition surveys, and recommendations for flexible or rigid pavements and/or pavement overlay or repair;
• Earthwork and grading technical specifications.