USACE Walla Walla District Hydrographic Surveying Services
DEA has a long history of providing hydrographic and land surveying services to the Walla Walla District, including several surveys on the Columbia, Snake, and Clearwater Rivers.
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.
SR 89A, Pumphouse Wash to Overlook Topographic Survey
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 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