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Figure 11-4.2.17 Sediment Trap Outlet <br />Native soil or <br />compacted backfill <br />DEPARTMENT OF <br />ECOLOGY <br />State of Washington <br />6' Min. — <br />1' Min. depth overflow spillway <br />Geotextile <br />Min. 'I'depth 2" - 4" rock <br />Min. II'depth %a' -1.5" <br />washed gravel <br />NOT TO SCALE <br />Figure II-4.2.17 <br />Sediment Trap Outlet <br />Revised November 2015 <br />Please see http.lAvww.ecy.wa.gov/copyright.htm/ for copyright notice including permissions, <br />limitation of liability, and disclaimer. <br />2014 Stormwater Management Manual for Westem Washington <br />Volume 11- Chapter 4 - Page 387 <br />