Mastin, C David

Since 1956, JVA Incorporated has been providing structural and civil engineering services to architects and owners on building projects throughout the Rocky Mountain area and nationwide. Based in Boulder, Colo., the firm offers its expertise in use of alternative building materials and design of special structures, including signage/lighting, art display, auditorium/stage rigging, timber-frame structures, retaining walls and pedestrian bridges. It caters to the architects, owners, building departments and general contractors. JVA Incorporated is a U.S Green & Building Council (USGBC) certified firm.

Foothills Bridge Co, based in Boulder, Colorado, provides engineered solutions for heavy civil contractors engaged in the erection and dismantling of bridges and related structures. We know that our success is tied to the success of our clients. Our passion is designing systems that provide a competitive advantage to our clients. We specialize in the analysis of complex erection sequences, engineered dismantling plans, design of heavy lifting systems and design of falsework, shoring and temporary supports.