Developing a Performance Evaluation Facility for Sediment Control Devices
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2023-11-01
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Edition:September 2021–October 2023
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Abstract:The U.S. Environmental Protection Agency requires efforts to reduce the amount of sediment generated (i.e., erosion control) and the off-site transport of sediment and construction-related chemicals (i.e., sediment and chemical control) at all construction sites. Sediment from construction sites represents the largest pollutant source among several other pollutants of concern (e.g., oils, gasoline, degreasers, paints, etc.). Eroded sediment from construction sites causes many problems, including adverse impacts on water quality as well as decreased capacities of reservoirs and streams, resulting in possible flooding. Sediment control devices (SCDs) are used on construction sites to retain sediment and prevent stormwater from adversely affecting adjacent waterways. Such SCDs include silt fences, wattles, sediment logs and basins, filter dams, and inlet protection devices. These products are designed to be installed for specific applications (e.g., curb inlets, drop inlets, perimeter protection, etc.). However, no scientifically sound, repeatable testing methodology currently exists that replicates field conditions to test and determine SCD performance. This project developed a formal testing protocol/apparatus and proposed thresholds for a performance-based sediment control device testing program that will assist designers/engineers in selecting the most effective sediment control device for best management practices.
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