ABNA has provided geotechnical services for both design and construction projects. Our staff of field geologists, directed by our Registered Geologist, can readily support your projects with a variety of geotechnical investigations such as subsurface investigations, boring studies, slope stability assessments, and foundation design including piles, drilled shafts, shallow foundations and retaining walls. Also, ABNA provides geotechnical laboratory testing services such as moisture content, Atterberg limit, sieve and hydrometer analysis in addition to field data collection, evaluation of historic soil resources, and report preparation.