Abstract
Construction activities increase the erosion potential of a site through earth-disturbing processes of vegetative grubbing, topsoil stripping, and grading. Receiving waters become susceptible and vulnerable to the process of sedimentation, which degrades the overall water quality. Federal, state, and local regulations require the use of erosion and sediment controls to help manage stormwater discharge from construction sites. Regulations further require regular inspections, monitoring, and maintenance of employed erosion and sediment control practices. Unmanned aerial vehicles (UAVs) are an emerging remote sensing tool capable of acquiring high resolution spatial and sensing data. Remote sensing with UAVs has the potential to provide high-quality aerial imagery and data that can assist in site inspections of erosion and sediment control practices and monitoring project progression. UAVs are economical and flexible in acquiring aerial data and can be preprogrammed with flight paths to capture data over construction sites objectively. UAV-based remote sensing enables user-controlled image acquisition and bridges the gap in scale and resolution between ground observations and imagery acquired from conventional manned aircraft and satellites. This research describes the application of UAV technologies for construction site inspections of erosion and sediment control practices and tracking project progression. A case study was performed on an active residential construction site with a commercially available UAV to showcase its application and capabilities of enhancing the site inspection process and construction monitoring.
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