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C�. MOUND SLOPE WIDTH &LENGTH Landslope> 1% slope (lattdslope greater than 1%) er 1. Downslope absorption-width= absorption width (F) minus rock layer width (D2) 6'Topsoil ,. ansa>,a nft- J ft=�Z ft p•rs --- 2. Calculate mound size UPSLOPE a. Depth of clean sand fill at upslope edge of rock layer = 3 ft minus the distance to restricting layer(0) 3 ft- 1, ) ft= I- ` ft b. Mound height at the upslope edge of rock D-ft SLOPE MULTIPLIER TABLE layer = depth of clean sand for separation (G2a) Land LTRon DOWNSLOPE slo mulvpliea for various multipllers for various at upslope edge plus depth of rock layer(1 ft) In aloperavos slope ratios plus depth of cover (1 ft) = 6: 7=1 1F !� ft + 1ft+ 1ft = 3.11 ft 0 3.0 4.0 SA 6.0 7.0 &0 3.0 4.0 5.0 6.0 7.0 c. Upslope berm multiplier based on land slope 1 L91 3.85 4.76 5.66 634 7.41 3.09 4.17 5.26 6.38 7.53 •S 2 2.83 3.70 4.54 536 6.14 6.90 3.19 435 3.56 6.82 8.14 t 1 (see gibe D-34) d. Upslope width = berm multiplier(G2c) times 3 2.75 3s7 435 $A5.79 6:45 3.30 4.54 5.88 7.32 8.86 4 2.68 3.4S 4.17 4.84 SAG 6.06 3.41 4.76 6.25 7.89 9.71 upsle mound height(G2b): D -J X_2_ft - ft S 2.61 333 4.00 4.62 5.19 &n 3.53 5.00 6.67 8.57 10.77 7. DOWNSLOPE 6 2S4 3.23 3.55 4A3 4.93 8.41 3.66 5.26 7.14 9.38 12.07 7 2.48 3.12 3.70 4.23 4.70 5.13 3.80 5.56 7.69 10.34 13.73 '. Drop in elevation = rock layer width (D2).times 8 2.42 3.03' 13.57 4.05 4.49 4.88 3.95 5.88 8.33 1154 15.91 percent landslope (C5) + 100 9 2.36 4.94 3.4S 3.90 4.30 4.6S 4.11 6.25 9.09 13.04 18.92 f ft X ('0 % -f- 100=�ft 10 2.31 2.86 333 3.75 4.12 4.44 4.29 6.67 10.00 15.00 23.33 '. Downslope mound height= depth of clean u L6 2.78 . 3.23 3.61 3.95 4.26 4.48 7.14 11.11 17.65 30.43 ;and for slope difference (G2e) at downslope z41 2." 3.12 3A9 3.80 4.08 4.69 7.69 22.50 21.43 43.76 •ock edge plus the mound height at the xpslope edge of rock layer (G2b) ft + Flo ft= � ft ;. Downslope berm multiplier based on percent land slop .�'•-Z �o (see figure D-34) i. Downslope width = downslope multiplier Upslope vyjjth(G�d) G2g) times downslope mound height(G20 y�� xWldth(G2d) WR d�BedUpslope Widch(G2d) �, ft Length( ) �_ Select the greater of G1 and G2h as the lownslope width: m,,,=,alopewtdth(G21i �` ft Total mound width is the sum of upslope I Absorption Width(P)� -idth (G2d) width plus rock layer width J2) plus downslope width (G2i) Tot.,Length(C;W ft ig ft + )0 ft+ D1- ft= Hy ft Total mound length is the sum of upslope width (G2d) lus rock layer length (D3) plus upslope width (G2d) o ft + !�O ft+ !v ft= ').o feet `1 a `4 -7, Final Dimensions: L4 x - 4tL4 4L)V- hereby certify that I have completed this work in accordance with applicable ordinances, rules and laws. - l. // -- U '(__-- (signature) 2'2 Ll- (license#) `� - ) 3 - D'L (date)