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RIPRAP <br />NHERE REQUIRED <br />TYPICAL LINED CHANNEL <br />• <br /> Flow Bottom WitlM Site Slope Depth Liner <br />Channel O Slope level H:1V of Flow IDI Valoclty Freeboard Total Dapth Veg/D50 <br /> Ictsl I%1 If tl Inl Ifll 111 lfPSl l21 If tl Iftl Unl 131 <br /> 5-f0 V 3.0 1.2 4.f t0 Z2 Veg. <br />YPM-10 5.4 fi75 10 3.0 05 6.1 10 t5 6" <br />YPM-t1 1L2 2-1f 50 J.0 0.6 6] t0 f.b 6" <br /> 9-1B 20 3.0 0.4 5.3 t0 14 6" <br />YPM-f2 B.0 rB-75 2.0 3.0 NA NA NA 1B Check Oams !41 <br />YPM. 13 e.l 9-30 20 J.0 0.3 5.2 LO f.3 6" <br />YPM-14 7.4 15-30 1.1 3.0 ~ 0.3 4J 0.3 0.6 6" <br />YPM-J6 2.4 6-79 t0 3.0 03 4J 0.3 0.6 6" <br />NOTES: <br />1. Depth of flow based on minimum grade. <br />2. Velocity based on maximum gratle <br />3. Riprap based on Pader method 3". <br />4. Flow velocities in channel sections above 18% will be controlled using check dams. Check dam locations <br />will be determined in the field. Check dams will be constructed from wood and/or rock. <br />•~ ~ ~; <br />© MWF~ <br /> <br /> <br />SENECA COAL COMPANY <br />YOAST M/NE POSTM/N/NG <br />CHANNEL DES/GNS <br />I- 6W -- I <br />