Cotton, Shires and Associates has expertise in hydrogeology, geophysics, fluvial geomorphology, and geotechnical and civil engineering. The company offers assistance with the development of geologic hazards maps for land-use planning processes. It provides geological and seismic hazards assessment solutions. Cotton, Shires and Associates conducts fault mapping, trenching and regional seismotectonic investigations. The company offers geotechnical engineering recommendation solutions for a variety civil works, including dams, power generation facilities, schools and commercial buildings. In addition, it provides turnkey design services for various grading and drainage works, such civil drawings, specifications, calculations and construction cost estimating. Cotton, Shires and Associates maintains a location in Los Gatos, Calif.