Company Description:
Sierra Geotechnical Services (SGS) was established in 1989 and is located in Mammoth Lakes, with a branch office and materials testing laboratory in Bishop, California. SGS performs a full range of consulting services including: Geotechnical engineering, environmental engineering, engineering geology, hydrogeology, materials testing, and construction inspection. The scope of services offered includes preliminary geotechnical investigations and geologic hazard evaluation, complete subsurface geotechnical and environmental investigations, forensic review of distressed structures, testing and observation during grading and construction, foundation inspection, all phases of laboratory testing for soil-related materials, and construction and post-construction instrumentation and analyses.