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G. - DOWPJSLOPE DIKE WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> 9V•22 ft- _ft =) 0 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 ). 0 feet <br /> b. Multiply rock layer width by landslope 1 raoC cev.r <br /> to determine drop in elevation; t taut Ro ad <br /> Slope Difference Separation •O Oat <br /> 0 x 3 %i 100= feet SIODe Difference et <br /> UpsloDe Width <br /> c. Add depth of clean sand for separation (2a) -a-feet Rock ea Width <br /> at upslope edge,depth of rock layer(1 foot) to depth of 1=feet Downslope Width <br /> cover(1 foot) to find the moundi ht at the upslope edge 12 feet <br /> of rock lay <br /> 9ft+ Ift+ Ift= feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of .S <br /> e. Multiply dike multiplier by M§ppe mound height a• <br /> to find upslope dike width: x 3•S7 = 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 r er(2c) to downmlope height; <br /> ft ft 'b eet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 4.S y <br /> h. Multiply dike multiplier by dow lope mound hei � <br /> to get downslope dike width:x _ fee <br /> i. 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 /> 17 feet <br /> D oD W10tn <br /> j. Total mound width is the sum of <br /> upslope dike(G-2e) width plus rock € RL Ck ee Width <br /> 10�JtSS net <br /> o <br /> layer width (D.2)plus ,l I1D61 Wlatn U 1 D.wIDtn <br /> downslope dike width(G.21); 3 na feet <br /> _lLft+�Qft+�_ft= feet SM <br /> k. Total mound length is the sum of Downslope Width <br /> g -.. net <br /> upslope dike width (G.2e)plus rock layer <br /> length (D.3)plus upslope dike � (G.2e); <br /> ft+ ft +_jrb ft= ..V feet <br /> Ir) f + l. :K -r 1 /o'er <br /> Total tenptn oa <br /> Downslope Upslope <br /> 3:1 4:1 5:1 6:1 7:I 3:1 4:1 5:1 61 7:1 8:1 <br /> %slope <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 /> 1 3.09 4.17 526 638 753 2.91 3.85 4.76 5.66 654 7.41 <br /> 2 3.19 435 556 6.82 8.14 2.83 3.M 453 536 614 6.90 <br /> 3 330588..--- 732 6.86 _ 273 6357, 435 5.08 5119 6.45 <br /> 4 3A3 476 '675 7.89 .. --9.72 ._..2.68----`3.d5 4.17 4.83 5.46 6.06 <br /> 5 351 s.00 &67 8-57 1077 2.61 3.33 4.00 4.62 5.19 571 <br /> 6 3.66 526 7.14 938 1107 254 323 3.85 4.41 4.93 SAI <br /> 7 3.80 556 7.69 1034 1373 248 3.12 3.70 423 d.70 5.13 <br /> 8 3.95 s88 833 1154 15.91 2.42 3.03 357 4.055 4.49 486 <br /> 9 4.11 625 9.09 13.04 18.92 236 2.94 3.45 3.90 430 41Z <br /> 10 429 667 10.0 15.00 2333 231 2.86 333 3.75 4.12 4.44 <br /> 11 4A8 7.14 11.11 17.65 30.43 226 2.78 3.23 3.61 3.95 426 <br /> 12 419 7.69 1250 21.43 43.76 1 2.21 2.70 3.12 3.49 3.80 4A8 <br />