JOIN US SEARCH LOCATIONS CONTACT DEA HOME WHO WE ARE WHAT WE DO SOLUTIONS NEWS ENERGY :: TRANSMISSION DEA provides overhead and underground electrical transmission line design, route selection, permitting, and project management for transmission lines. We deliver engineering services required to successfully route, site, permit, and engineer electrical transmission lines. We can provide access road development, field engineering during construction, conductor selection optimization, and a variety of foundation and structural solutions to meet your transmission line design project needs. We have a robust team with experience in lattice, tubular steel, concrete, wood, LWS structures and more. We customize our services with the goal of meeting the needs of our clients and navigating complex requirements. From scoping to final delivery, we work in close collaboration with our clients to deliver critical power delivery projects. We have the expertise to serve projects large and small. Services Route selection Structure selection and design Surveys, photogrammetry, and LiDAR Joint use analysis (IKE System) Design calculations PLS-CADD plan and profile design Construction assembly drawings and material lists Construction specifications Bid documents Field engineering / construction management Conductor selection and optimization Foundation analysis More Key Contacts :: Related Projects Energy Development Substation Transmission Energy Projects Who We Are History Core Ideology Leadership Stewardship Locations Contact DEA What We Do Energy Land Development Transportation Water and Environment Surveying and Geomatics Marine Services Solutions Alternative Project Delivery Construction Engineering Energy Development Engineering Landscape Architecture Environmental Planning and Compliance Planning Project Management News Awards Rankings Join Us Our People Current Openings Benefits Subconsultants and Vendors David Evans and Associates, Inc., 2100 S. River Parkway, Suite 100, Portland, OR 97201 :: 800.721.1916 Copyright © 1996-2021 David Evans and Associates, Inc. All rights reserved. :: Terms of Use | Privacy Policy