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Sea-Tac Bagwell 3D Laser Scanning/Modeling
DEA used a combination of state-of-the-art, high-accuracy laser scanning and conventional surveying methods to create 3-D models and 2-D composite drawings charting the placement and route of all pipes and tubes with at least a one-inch diameter.
Broadway Bridge Rehabilitation
DEA provided full preliminary engineering and construction engineering assistance for the rehabilitation of the 90-year-old Broadway Bridge in Portland, Ore.
Columbia River Crossing
DEA led the national consulting team that provided transportation planning, traffic highway and bridge engineering, and public involvement for the corridor study of Interstate 5 between Portland, Ore., and Vancouver, Wash.
Crissey Field Park and Welcome Center, Brookings, Oregon
Crissey Field is a new 40-acre beachfront park between the Pacific coast highway 101 and the ocean beach, south of Brookings, Ore., The center was carefully designed to fit into the natural landscape and incorporates many sustainable design features.
MAX I-205 LRT Extension
DEA was the lead designer for this $150 million design-build light-rail extension project in Portland, Ore.
Wild Horse Wind Facility (229 MW)
DEA provided surveying, civil engineering, environmental compliance, construction, and general project coordination services for the 300 MW Wild Horse wind farm project in Kittitas County, Wash.
Sauvie Island Bridge
DEA was selected by Multnomah County to be the prime consultant for the initial siting study through final design, bidding and construction to replace this historic structure.