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_} ~.n. <br />cocroneon <br />RIPRAP <br />WHERE REQUIRED <br /> <br />TYPICAL RIPRAP L INFO CHANNEL <br /> Total <br />Ditch Flow <br />q <br />lcfs) Sloppe <br />1%) Bottom Width <br />IBWI <br />lftl Side Slope <br />H:1V <br />Iftl Depth <br />of Flow lDl <br />lftl Velocity <br />lfpsl Freeboard <br />lftl Depth <br />Ift) Llner <br />TYPe <br /> <br />Df 1.1 1-15 - 2 t4 2.8 0.3 L7 Vegetated <br /> <br />D2 1.48 5-15 - 2 1.00 3.2 0.3 1.3 Vegetated <br /> <br />D3 (Upper/ <br />10 y <br />5_1Y <br />3 <br />2 <br />0.5 <br />7.7 <br />1.0 <br />x5 Grave/ <br />CHK DAMS <br /> <br />/ 13.1 1-3 5 2 0.7 4.3 1.0 t7 D50=6" <br />03 (Lower <br />13.1 <br />4-15 <br />5 <br />2 <br />0.5 5.8 Lp t5 CHK DAMS <br />D4 08 f_15 _ 2 t3 2.5 0.3 1.6 Vegetated <br /> <br />D5 <br />(Upper/ <br />4.3 <br />5-10 <br />2 2 0.4 4.5 0.3 0.7 D50=3" <br />D5 <br />(Middle) 87 1-3 2 2 0.8 4.4 0.3 1,1 Gravel-t5" <br /> 8.7 4-15 2 2 0.6 6.2 0.3 0.9 D50=6" <br />D5 <br />(Lower/ 28.3 6-14.5 3 2 0.9 7.4 0.3 t2 050=9" <br />D6 0.6 1-5 - 2 1.2 1.4 0.3 1.5 Vegetated <br />D7 13 0.5-25 - 2 1.7 3.7 0.3 2.0 Vegetated <br />D8 <br />(Upper 8 Lower/ 2.0 10-i5 - 1.5/10 0.3 4.9 0.3 0.6 Grave! <br />D9 0.7 2-6 - 2 1.1 1.6 0.3 t4 Vegetated <br />D10 0.8 8 - 2 0.8 1.9 0.3 1.1 Vegetated <br /> <br />Topsoil Downdrain LSg 25 8 2 0.1 N.A. 0.3 0.4 D50=9" <br /> 107 3-5 10 3 0.8 N.A. 1.0 1.8 D50=9" <br />Elk <br />Creek <br /> <br />107 <br /> <br />6-13 <br /> <br />10 <br /> <br />3 <br />0,8 <br />N.A. <br />t0 <br />1.8 <br />D50=12" <br />NOTES: <br />1. FLOWS FOR DITCHES D1 THROUGH D7 BASED ON THE i0 YEAR/24 HOUR <br />STORM. ELK CREEK RELOCATION FLOW BASED ON i00 YEAR/24 HOUR STORM. <br />2 <br />2. DEPTH OF FLOW BASED ON MINIMUM GRADE, VELOCITY BASED ON MAXIMUM GRADE. <br />3. CHANNELS WHERE CHECK DAMS MAY BE INSTALLED ARE DESIGNED WITH A 1 FOOT FREEBOARD. <br />4. CHANNEL D3 (Upper): DESIGNS INDICATE THAT LIMITING VELOCITIES ARE EXCEEDED FOR GRAVEL. <br />CHECK DAMS WILL BE INSTALLED TO REDUCE VELOCITIES. <br />AIR-6I Adequaoy Reaponaea 9/09 Keuscher Wernsr LsId/cA <br />TR-11 Reaponaes 5,00 O Keusche 0 Ksuachs T LelelcA pXBO W MINING INC. /l~R "IO'9 <br />TR-92 Rsaponcea 1/00 T Lek1cA J. Bever i LsldbA <br />TR•32 Reaponces 9/98 0.KSUachsr JBsver T.LSIdkA <br />REVISIONS REV. DATE DESIGN BY IXiAWN BY R SI0~0 BY ~ <br />PROJECT Na. 2.ae=.+ ELK CREEK M/NE Prove <br />AutoCAD FILE OSM-DIBLRsr1OWQ <br />MONTGOMERY WATSON SCALE, FWURE Na <br />Nof fo SOIM i <br />CHANNEL DES/GNS ~'~ u'' <br />