Laserfiche WebLink
Figure II-3.29: Sediment Pond Cross Section <br />Crest of <br />Riser pipe emergency spillway <br />6' Min. width. <br />(principal spillway) <br />open at top with <br />trash rack <br />1' Min. <br />Det,tatering device <br />(see riser detail) <br />Discharge to <br />stabilized <br />conveyance outlet <br />or level spreader <br />t_!�14i4y JI �1�11 p ILI1{ 1 1111 1$ Embankment '' 1' <br />Wire -backed silt fence Dewatering Compacted 95% <br />staked haybales pervious materials <br />wrapped %elilh filter fabric, orifice such as gravel or clean <br />or equivalent divider Concrete base sand shall not be used <br />(see riser d eta it) <br />i <br />i <br />i <br />jDEPARTMENT OF <br />IECOLOGY <br />I <br />E State of 0/asrington <br />NOT TO SCALE <br />Sediment Pond Cross Section <br />Revised June 2016 <br />Please see http.//w N1.ecy. wa.gov/copyrighf.hrrnl for copyright notice including permissions, <br />limitation of liability, and disclaimer. <br />2019 Stormwater Management Manual for Western Washington <br />Volume 11- Chapter 3 - Page 393 <br />