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G. DOWNSLOPE DIKE WIDTH <br /> 1. If landslope is 2.9 % or less adsorption width inculdes both upslope and <br /> downslope widths <br /> 2. Calculate Minimum mound size bsaed on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock layer: <br /> Separation ';.D feet <br /> b. Multiply rock layer width by landslope r feet t:over <br /> to determine drop in elevation; = 1 foot Ro ee <br /> Slope Difference Seperetloo feet I <br /> x -- %1100 = feet Slop• Dlfterenee <br /> -" � UDs1oDe Width <br /> c. Add depth of dean sand for separation (2a) -«feet Rock Bed Width <br /> atupslope edge,depth of rock layer (1 foot) to �feet Downslope Width <br /> depth of cover(1 foot) to find the mound height at the feet <br /> upslope edge of rock layer; 'a.0 ft+ 1ft+ 1ft= L�- _feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of L4 <br /> e. Multiply dike multiplier by upslope mound height to find <br /> upslope dike width: _x __ I L feet <br /> f. Add depth of dean sand for slope difference(2b)at downslope edge, to <br /> the mound height at the upslope edge of rock layer(20 to find the <br /> downslope height; -- ---feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of <br /> h. Multiply dike multiplier by downslope mound height to get <br /> downslope dike width: ---x- = feet <br /> i. Minimum mound width is the sum of upslope dike width plus rock <br /> layer width plus downslope dike width; <br /> ft+ ft + ft= feet <br /> Upslope Nlolh <br /> j. Subtract the minimum width (21) from the red <br /> adsorption area (F.4) to find the additional <br /> Rotk Dee WIOtn <br /> downslope area for adsorption - <br /> feet <br /> � I upslope W10tn UDs10pe 1{'loln <br /> _.f f_n_=-ft----__.___ feet 3 -Lf?feet 11�L feet <br /> k. Add the additional width (2.j ) to the `� `l <br /> downsolpe width and recalculate f Downslope width <br /> the total width <br /> )ift+)pft + tft= 4 Z feet <br /> 1. Total mound length is the sum of <br /> upslope dike width plus rock layer length 1 _ <br /> Plus upslope dike width: Total Len <br /> gth <br /> /Ie ft+1,<eft+ ),�,_ft = ov feet <br /> owns ope Lpslope <br /> 3:1 4:1 5:1 6:1 7:1 3:1 4:1 5:1 6:1 7.1 8:1 <br /> A siopr <br /> 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 5.0 6.0 7.0 8.0 <br /> I 3A9 4.17 516 6.36 7.53 291 3.95 4.76 5.66 654 7AI <br /> 2 3.19 435 556 6.82 8.14 283 3.70 454 536 6.14 6.90 <br /> 3 330 454 5.88 7.32 8.86 275 35, 435 5.06 5.79 6.45 <br /> 4 3AI 4.76 625 7.89 9.72 2.68 3.45 4.17 4.84 5.46 6.06 <br /> 5 353 5.00 667 857 107 261 333 4.00 4.62 5.19 sm <br /> 6 366 5.26 7.14 938 1207 254 313 3.85 4.41 4.93 SAI <br /> 3b0 556 7.69 1033 1373 248 3.12 3.70 423 4.70 5.13 <br /> 8 3.95 5.88 633 1154 15.91 232 3.03 3.57 4.05 4.49 4.88 <br /> 9 4.11 625 9.09 13A4 1&92 236 294 3.45 3.90 430 4.65 <br /> 10 429 6.67 10.0 15.00 2333 2.31 286 333 3.75 4.12 4A4 <br /> 11 4A8 7.14 11.11 1765 30.43 2.26 278 323 3.61 3.95 426 <br /> 12 469 7.69 1250 21.43 43.75 2.21 2.7c 3.12 3.49 3.80 4.08 <br />