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M <br /> G. DOWNSLOPE DIKE WIDTH FYI q, t <br /> 1. If landslope is 3% or more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> ft-1_ ft =Meet -3 <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 : 3 ft-/s' = 4 S' feet <br /> b. Add depth of clean sand for separation (2a) j i root cover y, 7,61 <br /> at upslope edge,depth of rock layer (1 foot) tAoc Ro ea <br /> Separation feet <br /> to depth of cover (1 foot) to find the <br /> , <br /> � siop*cirrerencQc <br /> mound height at the upslope ed e o rock UPSIope W10tn <br /> .� ft + Ift + lit =-�feet - r feel Rock oleo wion <br /> c. Enter table with landslope and upslope dike ratio. . 3-feet Downslope fW m <br /> Select dike multiplier of -xvs, <br /> d. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width;L x 3151- =j'Z feet <br /> e. Multiply rock layer width by landslopto determine drop <br /> in elevation; Slope Difference <br /> lo_x y % -1- 100 =0 1/ feet <br /> f. Add depth of clean sand for slope difference (2e) at <br /> downslope edge, to the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height; <br /> ft + 0-Oft = 3-F feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 7� <br /> h. Multiply dike multiplier by downslope mound he' ht(2f) <br /> to get downslope dike width:'f Z- x 3.9 =Meet = <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 /> feet y <br /> j. Total mound width is the sum of ,,a w,aln <br /> upslope dike (G.2e) width plus rock Lr�r� <br /> RocK ado w10Cn <br /> layer width (D.2) plus �� <br /> _�. tort <br /> downslope dike width(G.Zi) W1 Wig <br /> a � . <br /> feet >.... � Y y Lp:�-fop: <br /> ft+ ft <br /> Jr) + _ft - �. �,feet <br /> k. Total mound length is the sum of <br /> �OwnSlOpe w10tn <br /> upslope dike width (G-2e) plus rock layer ..�..� <br /> length (D.3) plus upslope dike width (G-2e); <br /> ft+ ft + z ft = Z�feet <br /> 4- 13 # ........ <br /> TotalL@Og[n C� <br /> owns ope p,ope 1 <br /> 3:1 41 51 61 7:1 3.1 4:1 5:l &1 71 61 <br /> 14&lop <br /> 039 4.0 S.0 60 7.0 30 4A SA f.0 7.0 0.0 <br /> .1 399 4.175.:6 630 7.53 291 3.55 4.76 5.66 656 7.41 <br /> 2 3.19 435 5J, 6x2 L14 263 4.70 456 536 6.14 690 <br /> 330 �� S.b6 732 5.66 L75 6,15 5.00 5.79 695 <br /> 791 `L76�1 625 7.69 9.72 265 ].45 4.17 4.66 346 696 <br /> S 351 5.00 667 657 10.77 2.61 6.00 4.61 5.19 S71 <br /> 6 166 5.26 7.14 936 1297 256 3.23 i6S 4.41 4.93 SAI <br /> 7 3x0 556 7.69 1034 1323 246 3.12 3.70 4.23 4.70 S.13 <br /> 6 3.95 5.40 5.11 1154 1591 142 3.03 357 4.65 4M 4.60 <br /> 9 4.11 6.S 9.09 13.04 16.92 236 2.94 3.45 3.90 430 446 <br /> 10 419 667 10.0 15.00 2133 231 266 311 17S 4.12 4M <br /> 11 4.11 714 11.11 17.6s 30.43 2.26 275 IM 3.61 2.95 636 <br /> 17 4.u9 769 1250 21.43 4175 1 2.21 270 332 149 140 4x* <br />