Abstract
AbstractConstruction-related activities typically disturb established vegetation, resulting in the potential for accelerated erosion. Because of the associated water quality impacts of construction activities, the USEPA has established regulatory programs to manage stormwater runoff emanating from construction sites. Currently, designers typically rely on “rules of thumb” for the design and selection of temporary erosion and sediment control practices. To provide a hydrologically sound approach, this research developed a quick and direct sizing method based on Technical Release–55 methodology. The analysis focused on Type-II and Type-III rainfall distributions, with 171 hydrological simulations performed. The results yielded applicable equations for the determination of flow rates representative of regional conditions for a typical 0.405-ha (1.0-acre) roadway median drainage basin. Geographical information system (GIS) analyses were used to develop and analyze regional hydrological characteristics. The GI...
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