Denis J. McMullan, P.E., President
Mr. McMullan has over 41 years of experience in structural engineering design and construction administration of government, private, industrial, commercial and municipal projects. His diverse and extensive experience encompasses designs for new buildings, alterations and additions to existing buildings, renovations, rehabilitation, reconstruction and the adaptive reuse of historic structures including bridges, aqueducts and locks.
Mr. McMullan is the Engineer of Record on over 1,500 major projects and is a registered professional engineer in the Commonwealth of Virginia, the District of Columbia, the State of Maryland, and 25 other states.
Mr. McMullan has a Master of Science degree in Structural Engineering from George Washington University in Washington, DC and a Bachelor of Science in Civil Engineering from Queens University in Belfast, Northern Ireland.
Mr. McMullan has extensive experience with many government clients such as the General Services Administration, National Capital Region and Region 3, the Smithsonian Institute, the National Park Service, the National Institute of Standards and Technology, and the Department of Defense.
Mr. McMullan has also led several structural investigations into building failures, vibration problems, façade failures, masonry and concrete distress and many other evaluations of significant existing buildings.
He has co-authored several technical papers including “Stone Arch Aqueducts of the C&O Canal,” dealing with an original design approach to analyzing historic masonry arch structures. He presented the paper to the Structural Engineering Institute/ASCE at the American Civil Engineering World Conference in Portland, Oregon. He also published a technical paper “Restoration of Stone Masonry Aqueducts on the Chesapeake & Ohio Canal” and presented this paper to the Historic Bridge Conference in Ohio.
Mr. McMullan has presented his work on masonry arches and canal structures to numerous organizations and societies, including the Transport Research Board, the Institute for the History of Technology and Industrial Archeology, the Society of Industrial Archeology (SIA), the New Jersey Canal Society and the World Canal Conference.