Evaluation of erosion control blanket properties and test criteria for specification and design : final report.
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2016-07-01
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Subject/TRT Terms:
- Regulations
- Environmental control
- Erosion control
- Equations
- Evaluation
- Geographic information systems
- Digital maps
- Water pollution
- Design
- Drainage blankets
- erosion control
- evaluation
- failure
- guidelines
- laboratory tests
- stormwater erosion control
- erosion control blankets
- rolled erosion control products
- field study
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Edition:Final report
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Abstract:A research project to investigate the product approval, design process, and ongoing product evaluation of erosion control blankets ; (ECBs) for the Missouri Department of Transportation (MoDOT) was conducted. An overview of federal and state environmental ; construction laws was performed noting the significance of ECBs on construction sites. Standardized erosion control testing, ; product approval, and design processes utilized by other state departments of transportation and those recommended by the ; National Transportation Product Evaluation Program were researched for further insight to typical ECB applications. A field ; investigation was established to study the effectiveness of two ECBs on a MoDOT construction site. MoDOT completed ; construction sites, which utilized ECBs, were also included in the investigation to evaluated how well vegetation was sustained ; and ongoing blanket degradation following site acceptance in accordance with the MoDOT Storm Water Pollution Prevention Plan ; (SWPPP). In addition to field site evaluations, surveys were developed and administered to record contractor and MoDOT ; employee ECB experiences and identify common problems and successful practices using ECBs. Recommendations for ECB ; approval procedures and a design process for conditions representative of Missouri were developed using insight gained through ; the study of common ECB product acceptance and design, the field site investigation, evaluation of completed construction sites, ; and the surveys of ECB experiences. The National Transportation Product Evaluation program’s (NTPEP) ASTM standardized ; testing was recommended as the basis for product approval. For ECB design, the Revised Universal Soil Loss Equation (RUSLE) ; was recommended and used to establish minimum performance requirements for both product acceptance and design. Digital maps ; were developed using ArcGIS for Missouri’s representative hydrologic and geologic conditions for use in the RUSLE. The ECB ; approval procedures and design process, which were developed specifically for the state of Missouri, are recommended for ; implementation into the MoDOT Engineering Policy Guide (EPG). An ongoing product evaluation system was also developed for ; ECBs to document field performance and assist in identifying ECBs that should be removed from the approved products list.
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Main Document Checksum:urn:sha256:24e75e682030e4755ff2599f2bd1b8b7c33b5dd5fabb50ba0bb51a71f38224c3