Columbia Design Group, LLC (CDG) is a civil engineering company founded in 2005 by Peter Gammie, P.E. Peter is a registered professional engineer in Massachusetts and New Hampshire with over 25 years of experience.
With diverse professional backgrounds in managing multi-million dollar central artery projects for MassHighway, to large-scale multi-family due diligence and permitting, to single-family residential and commercial developments, we have the experience and technical knowledge needed to guide each project through permitting, design and construction to successful completion.
CDG understands the complexities of a comprehensive site design, and works closely with team members and owners to identify and resolve issues before they become a problem. Attention to detail, timely responses and a one-on-one approach allow CDG to proactively pursue and deliver a quality product, on time and within budget. We pride ourselves on our ability to provide the high level of individual support and responsiveness that is often missing in larger firms.
CDG has developed strategic alliances with several support firms allowing us to integrate a full range of surveying, environmental and mechanical/plumbing services into the development package. Working closely with these individuals and firms, CDG can offer a comprehensive set of services to our clients, with the confidence and knowledge of an experienced team of professionals.
Peter Gammie, P.E.
Owner and principal engineer for CDG, Peter has extensive experience providing professional engineering services to small and mid-level developments throughout Boston and surrounding communities.
Peter’s expertise spans public, residential and commercial projects, and includes site planning & design, utility design & layout, septic system design, storm water management and calculations, roadway design and construction, and project management.
Peter was the Principal Engineer for the I-495 Interchange in Marlboro, and has managed numerous other public roadway designs including: Route 3 North (Design-Build), Route 146/20 intersection project for MassHighway, I-93/Rte 1 Interchange Project (Central Artery Project), Mass. Ave. Interchange (Central Artery Project), and Half Diamond interchange on F.E. Everett Turnpike (NH), among others. He was also Project Manager for the development and implementation of GIS for the Massachusetts Port Authority, entailing a complete utility inventory of the drainage, sewer, water, electric, telephone, gas fuel and heating systems at Logan Airport. In addition, Peter has managed the site planning and design of numerous commercial facilities, as well as countless residential projects.
Peter is a registered Professional Civil Engineer in Massachusetts and New Hampshire, and a registered Soil Evaluator in Massachusetts. He is a contributing author to The Military Engineer (“Joint Venture” – The Military Engineer, Dec. 1996; “Solving an Infrastructure Maze, Logan Airport GIS”— The Military Engineer, Nov. 1991).
