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Item Information   Holdings       More by this author     Stone, Alan G.     Subjects     Runoff -- Management     Water Pollution     Groundwater -- Quality -- Management.     Biological control systems     MSEV Project.     Browse Catalog     by author:      Stone, Alan G.       by title:      Design guidance for ...         MARC Display

Design guidance for stormwater infiltration basins used for ground water recharge / / Alan G. Stone. by Stone, Alan G. Subjects Runoff -- Management   Water Pollution   Groundwater -- Quality -- Management.   Biological control systems   MSEV Project. Description:  134 leaves : ill. ; 29 cm. Contents:  Advisor: Dr. Francis Mahuta. Committee members: Dr. William Gonwa, Paul Boersma. Introduction -- Background -- Literature review -- Methodology -- Results and discussion -- Design -- Conclusions and recommendations -- References -- Appendix A) Site evaluation for stormwater infiltration B) Stormwater infiltration basin parameters -- C) Soil borehole description, grain size distibution, and soil classification data -- D) RECARGA User's Manual, Version 2.3, and Technical Note for Sizing Infiltration Basins and Bioretention Devices to Meet State of Wisconsin Stormwater Infiltration Performance Standards -- E) RECARGA printouts -- F) Life cycle cost summary and cost computation datasheets. Stormwater infiltration basins reduce stormwater runoff and recharge groundwater, in accordance with best management practices required by the Clean Water Act of 1987. Wisconsin Administrative Code NR 151 as well as guidance documents produced by the Wisconsin Department of Natural Resources suggest procedures for sizing stormwater infiltration basins. The purpose of this project is to model stormwater infultration at an existing rain garden, and use that data to evaluate and enhance current design methodologies. Two storm events were modeled using a spreadsheet model developed for this project and RECARGA, which is a computer program developed by UW-Madison Civil and Environmental Engineering Department. The results from both models were used to redesign the rain garden so that all inflow would infiltrate into the subsurface. Basin sizes and costs were then compared. The rain garden redesigned in accordance with RECARGA (default infiltration rates) showed the lowest design, construction, and overall total net present worth costs over a ten-year period. Darcy's Law showed the highest design and construction costs, but lowest maintenance net present worth costs over a ten-year period. RECARGA (Darcy's Law saturated hydraulic conductivities) showed the highest maintenance net present worth and overall net present worth costs. Overall, the rain garden designed in accordance with Darcy's Law from the spreadsheet model was smaller than those designed in accordance with RECARGA, and may become more cost effective if land prices increase.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .S75 2005 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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