Rutherford + Chekene is a structural and geotechnical engineering firm in California specializing in new design and retrofit of structures for clients in sectors that include healthcare, higher education, corporate, research and development, art and education, and technology. Rutherford + Chekene began implementing 3-D modeling to produce building information models (BIM) in 2005. R+C has developed more than $3 billion in construction using BIM created with Revit, Tekla and other software.