JOIN US SEARCH LOCATIONS CONTACT DEA HOME WHO WE ARE WHAT WE DO SOLUTIONS NEWS SURVEYING AND GEOMATICS :: SUBSURFACE UTILITY LOCATING AND MAPPING DEA’s subsurface utility locating and mapping service allows for quick and accurate locating and mapping of underground utilities. Teaming with a firm experienced in geophysical surveying and engineering, DEA’s survey team can provide clients with imaging both above and below the surface, giving them the ability to “see” below the surface and obtain infrastructure information vital to maintenance, operations, and construction. Through Multi-Array Ground Penetrating Radar and Computer Aided Radar Tomography (CART), clients benefit from technology that adheres to standards developed by the American Society of Civil Engineers (ASCE C-1 38-02) for subsurface utility engineering. The service allows DEA to combine professional and technical resources to develop innovative and cost-effective solutions that fulfill clients’ needs and meet aggressive schedules. This advanced 3D technology provides 3D underground utility locating, compiles data safely at roadway speeds, provides design-level accuracies and geo-references, and provides full site coverage availability. Our accurate, dependable, quality subsurface utility locating and mapping deliverables complement the other services DEA provides. CART is an innovative and cost-effective system ideal for: Corridor surveys for rail, highway, and airports Highway engineering Site development Utility undergrounding Risk mitigation Locating unknown and abandoned utilities More Key Contacts :: Related Projects Surveying and Geomatics Conventional Land Surveying Laser Scanning and Mapping Subsurface Utility Locating and Mapping Civil/Building Information Modeling (CIM/BIM) Small Unmanned Aerial Systems (sUAS) Asset Management Geographic Information Systems Surveying and Geomatics 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