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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />Discharge t <br />watercourse, sedirr <br />facility, or sta <br />Provide riprap pad <br />or equivalent <br />energy dissipation <br />NOT TO SCALE <br />DEPARTMENT OF <br />ECOLOGY <br />State of Washington <br />Figure 11-4.2.4 Pipe Slope Drain <br />?rceptor dike <br />1 <br />2" min. <br />T <br />Notes: <br />1. Inlet and all sections must be securely fastened <br />together with gasketed watertight fittings <br />Figure 11-4.2.4 <br />Pipe Slope Drain <br />Revised July 2015 <br />Please see http://www.ecy.wa.gov/copyright.html for copyright notice including permissions, <br />limitation of liability, and disclaimer. <br />2014 Stormwater Management Manual for Western Washington <br />Volume 11 - Chapter 4 - Page 345 <br />