4-0 Ranch Boundary Survey
DEA performed a boundary survey for approximately 2.8 miles of the 4-0 Ranch which had been recently acquired by Washington Department of Fish and Wildlife.
SR 530 Oso Slide Repair
Following a landslide in Oso on March 22, 2014, DEA’s Marine Services Division assisted in emergency recovery and mapping operations in Landslide Lake and in the North Fork of Stillaguamish River.
Auburn Way North Preservation Mobile Scanning
Using the most efficient, accurate, safe and cost effective methods, DEA provided design level mapping of over one-and-half miles of Auburn Way North which is the main north-south boulevard through the City of Auburn.
Westside Trail Segments 1, 4, and 7 Route Survey
DEA provided project management, land survey, environmental and land use permitting, master planning, utility coordination, preliminary engineering, and construction engineering services for segments 1, 4 & 7 of the Westside Trail, which connects the city of Tualatin with Portland’s Forest Park.
Big Eddy – Knight 500kV Transmission Line
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 Inc.
- Copy ENR California’s Best Projects 2019 – Award of Merit November 3, 2020
- ENR California’s Best Projects 2019 – Award of Merit November 3, 2020
- External Link November 3, 2020