Oklahoma Department of Transportation



1661160-39052500Office of Research and ImplementationFFY 2020 Request for ProposalResearch Problem Statement Title: Compost Filter Socks for Storm Water and Erosion Control in ConstructionProblem Statement:An update to the Standards Specifications for Highway Construction of erosion and sediment control measures through the Storm Water Action Team is ongoing. Part of this update includes reviewing and evaluating new erosion control products like compost filter socks. It is not known if compost filter socks can function effectively as an erosion control product without leaching contaminants to the environment. Research in conjunction with laboratory and data analysis are needed to determine if compost filter socks do leach contaminants under conditions identified at transportation construction sites in Oklahoma.Proposed Research:This project will develop and refine a simplified laboratory method for determining leaching potential of compost filter socks at Oklahoma construction sites. This new standard will then be utilized to test various compost filter sock compositions for leaching of contaminants. Also included in the project will be a cost-benefit analysis to compare the use of compost filter socks compared to currently used practices. Finally, results from field monitoring of filter sock implementation will be used to inform the ODOT Storm Water Action Team for development of a standard and specification to use on ODOT construction sites.Suggested Tasks (to include but not limited to): Literature Review or Summary of current implementation of Compost Filter SocksAnalyze Compost Sources and varying Sock SizesLaboratory Analysis of Runoff from Compost Filter SocksCost / Benefit Analysis of Compost Filter Socks compared to conventional erosion control measuresField Monitoring at a Construction Site previously determined by reviewing the 8 year Construction Work Plan.Implementation: ConstructionStorm Water Erosion ControlsSeeding Mixes and Solid Slab Sodding quantititesBenefits:The benefits of this project will include assisting ODOT with the review and evaluation of compost filter socks as a storm water control on construction sites and determining what specifications are most appropriate. If research indicates Compost Filter Socks can function effectively as an erosion control product without leaching contaminants to the environment, then the Storm Water Action Team can draft a standard and specification for use on ODOT construction project sites. At construction project completion, compost from the filter socks may be spread on the construction site to act as a soil amendment. The amount of topsoil and/or sod required on construction sites may decrease as a result. In addition, the cost benefit analysis will inform ODOT if compost filter socks are a more economical alternative to more traditional practices such as silt fence and wattles.Deliverables:All projects require the submission of the following reports:Monthly Progress ReportsMulti-Year Projects require a Year-End Annual ReportCopies of the project Draft Final Report in Microsoft Word and ADA accessible Adobe Acrobat pdf electronic formats Copies of the project Final Report in Microsoft Word and ADA accessible Adobe Acrobat pdf electronic formatsThe Year-End Annual Report, Draft Final Report, and Final Report should be submitted to satisfy all federal and state requirements pertaining to the accessibility of documents including but not limited to:Oklahoma State Statute 62 § 41.5e and the Americans with Disability Act (ADA) of 1990, 42 USC 12.01 et seq.The PI must also participate in the following project meetings:New project initiation meetingSemi-annual project meetingClose-out project meetingContinuing project meetingIn addition, specifically for this proposal and project duration, coordination with the Storm Water Action Team will be required. Input from that team as a response to the ongoing research and project outcome will be invaluable to the success of the project. Existing Research:TRB 2017 paper. “Regional Variance of Compost Techniques for Erosion and Sediment Control on the East Coast”; recommended by this study that the standards/manuals used by Pennsylvania, New York, and Delaware be used as guidance for proper use of compost for erosion and sediment in eastern United States.GaTech student thesis 2013. Same cost analysis scope as proposed. article 2008. Laboratory testing for leaching potential of compost filter sock; 2006. “Water Quality Characteristics and Performance of Compost Filter Berms” examine the water quality impacts of compost leachate constituents and structural integrity of unseeded compost filter berms, seeded compost filter berms, and compost/mulch filter socks; ................
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