DEA provided the surveying and mapping services required for BPA and their Owner’s Engineer to design, acquire rights, and complete permits to construct a new 500kV transmission line from Big Eddy Substation, near The Dalles, Oregon, to the new Knight Substation near Goldendale, Washington.
DEA’s survey team performed a control survey and collected 25 miles of data along SR89A from Sedona to Flagstaff using DEA’s mobile laser scanning system.
DEA performed topographic surveys on 3 sections of roadway in Boulder County, Colorado that had been damaged by the September/October 2013 flooding.
DEA was selected by ITD District 6 to provide surveying services for the I-15, Lava Rocks project just South of Idaho Falls, Idaho.
LA Metro contracted DEA to survey and develop a 3-D map of underground utilities along I-5 where HOV lanes are being added.