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High quality surveying forms the foundation of river reconstruction projects. RDG's survey division provides the quality survey services that are necessary to accurately, efficiently, and cost-effectively evaluate existing site conditions, aid in project engineering design, and final construction staking.
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| Channel cross sectional survey. |
RDG offers both traditional Land Survey and Hydrographic Survey services. Using both conventional and satellite based techniques, RDG's surveying capabilities complement RDG's other services by providing imagery, survey data, hydrologic data and base mapping for professional-quality final products.
RDG has developed relationships with two partner firms to provide our clients with LIDAR, hydro-acoustic, image acquisition and rectification services. These innovative techniques enable us to deliver high quality existing ground data for large scale restoration projects.
Traditional Survey Services
- Topographic and hydrographic surveying (including LiDAR and hydro-acoustic)
- Construction staking
- Boundary survey, retracement and adjustment
- Floodplain delineation, elevation certificates and FIRM map revisions
- GPS and conventional surveying
- GIS data acquisition and visualization
Hydrographic Survey Services
- Channel plan form, cross-sectional and longitudinal profile surveying
- Water quality sampling
- Suspended and bed load sediment sampling
- Channel habitat, fisheries and condition assessments
- Watershed inventory
- Field verification
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