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CCP 09-10-2001
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CCP 09-10-2001
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5/8/2007 1:23:52 PM
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<br />CHAPTER 6; INFILTRATION BASINS <br /> <br />Infiltration basins are effective in removing both soluble and fine <br />particulate pollutants borne in urban runoff. Coarse-grained pollutants <br />should generally be removed before they enter a basin. Unlike other <br />infiltration systems, basins can be easily adapted t,o provide full control of <br />peak discharges for large design storms. Also, basins can serve relatively <br />large drainage areas (up to 50 acres). Depending on the degree of <br />storage/exfiltration achieved in the basin. significant groundwater <br />recharge, low flow augmentation and localized streambank erosion control can <br />be achieved. <br /> <br />Figure 6.1; Schematic of an Infiltration Basin <br /> <br />Top View <br /> <br />...-- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />/ <br /> <br /> <br />/ <br /> <br />Flat Basin Aoor with <br />Dense Grass Turf <br /> <br /> <br />. ( <br />/ <br />\ <br />\ <br />Riprap <br />Outfall \ <br /> <br />~--"') <br />_.-;::~ ....- <br />; - '\ <br />- -... BaCk-up Underdrain <br /> <br />--- <br /> <br />- <br /> <br />',-- <br /> <br />- <br /> <br />'- <br /> <br />Side View <br /> <br /> <br />-- - ---------- <br />{ E:a:flUfl!IItlan Stat.gtl <br /> <br />Back.up Undotdtaln Pipe in Cue or Standing Walet Problems <br /> <br />I <br /> <br />I <br />, <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />.. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br />.. <br /> <br />I <br />
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