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Figure V-12.9: Typical Detention Pond <br /> Hccess ramp i l�I <br /> into pond 1 Tract lines as required <br /> / 15%max.slope <br /> Pond inlet <br /> Note:This detail is a <br /> schematic <br /> W pipe representation only. <br /> Actual configuration <br /> fwill vary depending on <br /> w I specific site <br /> y� constraints and <br /> 6"sediment a applicable design <br /> storage I o criteria. <br /> Pond design <br /> water surface <br /> In 5'min. <br /> Level <br /> bottom <br /> W Alternate emergency <br /> yr outflow structure for <br /> ponds not required to <br /> w q provide a spillway <br /> o� <br /> r' I Control structure <br /> Compacted �� Outfall <br /> embankment B <br /> See Figure III-3.2.2 for <br /> section cut diagrams <br /> L Emergency overflow — — — — <br /> spillway rip rap <br /> C A <br /> NOT TO SCALE <br /> Typical Detention Pond <br /> Revised June 2016 <br /> DEPARTMENT OF <br /> ECOLOGY Please see http://www.ecy.wa.gov/copyrighthtml for copyright notice including permissions, <br /> State of Washington limitation of liability,and disclaimer. <br /> 2019 Stormwater Management Manual for Western Washington <br /> Volume V-Chapter 12-Page 976 <br />