Supporting Skanska and the design team, DEA surveyors provided continuous mapping of existing site conditions for Good Samaritan Hospital’s new Patient Care Tower, Central Utility Plant (CUP) and parking garage.
DEA updated the City of Redmond’s vertical control network, originally established in 1989. The primary purposes of this survey were to change the vertical datum from NGVD 29 to NAVD 88, to set new benchmarks, and to replace damaged or destroyed benchmarks.
DEA provided cadastral, boundary, topographic maps and shape files in AutoCAD and GIS formats for this natural gas pipe line project connecting Boardman to Heppner.
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.
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.