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G. DOWNSLOPE DHCE WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> ft- )o ft= i /) _feet <br /> 2. Calculate Minimum mound size based on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock <br /> layer: Separation 1, a feet <br /> b. Multiply rock layer width by landslope r root t:.t+•1 <br /> to determine drop in elevation; :'root RD ed <br /> Ss°D°""`" re•` <br /> Slope Difference <br /> 16 x(_%1 100 = ,lo feet Slope Ottterrohcs et <br /> UDslope Width <br /> c. Add depth of clean sand for separation (2a) 441 feet Rock Bed Width <br /> at upslope edge,depth of rock layer(1 foot) to depth of hl feet Downslope Width <br /> cover(1 foot) to find the mound height at the upslope edge -feet <br /> of rock layer; <br /> I.'a, ft+ lft+ 1ft= 3.z feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3 .a"!� <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: __&_feet <br /> f. Add depth of clean sand for slope difference(2b)at <br /> downslope edge,to the mound height at the upslope edge <br /> of rock layer(20 to find the downslope height; <br /> Z,2 ft+ . t. ft=Meet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of S. <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3•'9 x s.as. = a 0 feet <br /> L Compare the values of step G.1 and Step G.2h Select the <br /> greater of the two values as the downslope dike width; <br /> a- feet UD �o .L wldtft <br /> j. Total mound width is the sum of - f••t <br /> upslope dike (G.2e) width plus rock RDI K eo Width <br /> layer width (D.2)plus a uDauD wldtn '••` uoslooe wtotn <br /> rest.....;;;;;•.:.:::.::.:;r :. feet <br /> downslope dike width(G.2i); a o t <br /> /o ft+ 0 ft+ 2-D ft L4 0_feet -6S <br /> .. OowhSlODs Width <br /> k. Total mound length is the sum of -AQ-feet <br /> upslope dike width (G.2e) plus rock layer <br /> length(D.3)plus upslope dike width (G.2e); m' ........ ...... . <br /> /ft+eft+ 0 ft= V<;� feet <br /> ZO + to Y 't' Z-O /0 <br /> Total Length-/Q% <br /> Vownslope UPSIOPe <br /> 3:1 4:1 5:1 &1 7:1 3:1 4:1 5:1 &1 7:1 8:1 <br /> %tbpe <br /> 0 31) 4.0 5.0 60 7.0 3.0 4.0 5.0 60 7.0 8.0 <br /> 1 30 4.17 526 536 7.53 2.91 3.85 4.76 5.66 654 7.41 <br /> 2 3.19 435 556 &S2 8.13 2.83 3.70 4S4 536 614 6.90 <br /> 3 3.30 454 s98 732 6.86 2.73 357 4.35 5.08 5.79 6.45 <br /> 4 3A3 476 625 7.89 9.72 268 3.45 4.17 4.84 .5.46 6.06 <br /> 5 353 S.OQ„-� 667 857 10]7 2.61 4.00 4.62 5.19 571 <br /> 66w .2b-=_ 7.14 _ 938 Iz07 256 23 3.95 4.414.93 5-41 <br /> 7 390 556 7.69 1034 1373 148 12 3.70 423 L70 5.13 <br /> 8 3.95 598 833 1154 15.91 2.42 3.03 357 4.05 4.0 498 <br /> 9 4.11 625 9.09 13.04 18.92 236 196 3.45 3.90 430 Obi <br /> 10 429 667 10.0 15.00 2333 231 186 333 3.75 4.12 4A4 <br /> Il 4A8 7.14 11.11 17.65 30.43 226 178 323 3.61 3.95 426 <br /> 12 4A9 7.69 12.50 21.3 43.75 121 170 3.12 3.49 3.80 4M <br />