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G. MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope (landslope greater than 1%) .,,t „,,5-„,i,,,,,2,„.14 r. over] W,A, 4 1. Downslope absorption width = absorption width (F) ' ° =�a qee' � 4 ` s,s p 57* aoo ,� .v 6" Topsoil minus rock layer width (D2) rC• . nft t i arwjny��. u leans „. EZEINial Restricting Layer UpslopsWidth(G2d) Rock W;1h(D2) Downslgpe�Width(h2i) i 2. Calculate mound size wG4 UPSLOPE a. Depth of clean sand fill at upslope edge of Absorption Width-Sand(f) ft rock layer = 3 ft minus the distance to restricting layer (C1) 30f 3ft- , /4- ft = l,0 ft b. Mound height at the upslope edge of rock D-34: SLOPE MULTIPLIER TABLE layer = depth of clean sand for separation (G2a) Land UPSLOPE DOWNSLOPE Slope, multipliers for various multipliersfor various at upslope edge plus depth of rock layer (1 ft) in% slope ratios slope ratios plus depth of cover (1 ft) 3:1 4:1 5:1 6:1 7:1 8:1 3:1 4:1 5:1 6:1 7:1 Ia0 ft + 1ft + 1ft = 3.0 - ft 0 3.0 4.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 c. Upslope berm multiplier based on land slope 1 2.91 3.85 4.76 5.66 6.54 7.41 3.09 4.17 5.26 6.38 7.53 3, )-4_ (see figure D-34) 2 2.83 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 3 2.75 3.57 4.35 5.08 5.79 6.45 3.30 4.54 5.88 7.32 8.86 d. Upslope width = berm multiplier (G2c) times 4 2.68 3.45 4.17 4.84 5.46 6.06 3.41 4.76 6.25 7.89 9.72 upslope mound height (G2b): 5 2.61 3.33 4.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 1 X ft = raj ft 6 2.54 3.23 3.85 4.41 4.93 5.41 3.66 5.26 7.14 9.38 12.07 DOWNSLOPE 7 2.48 3.1 3.70 4.23 4.70 5.13 3.80 CS:..0 7.69 10.34 13.73 e. Drop in elevation = rock layer width (D2) times 8 2.42 3.03 3.57 4.05 4.49 4.88 3.95 5.88 8.33 11.54 15.91 percent landslope (C5) + 100 9 2.36 2.94 3.45 3.90 4.30 4.65 4.11 6.25 9.09 13.04 18.92 /0 ft x () % + 100 = " 0 ft 10 2.31 2.86 3.33 3.75 4.12 4.44 4.29 6.67 10.00 15.00 23.33 f. Downslope mound height= depth of clean 11 2.26 2.78 3.23 3.61 3.95 4.26 4.48 7.14 11.11 17.65 30.43 sand for slope difference (G2e) at downslope 12 2.21 2.70 3.12 3.49 3.80 4.08 4.69 7.69 12.50 21.43 43.75 I rock edge plus the mound height at the upslope edge of rock layer (G2b) ,0 ft + , 9 ft= -7 ft g. Downslope berm multiplier based on percent land slop ,.., l ,S.'a (see figure D-34) - 0 ell _ --1 h. Downslope width = downslope multiplier1 Upslop id th(G fd) (G2g) times downslope3-0 ft height (G2f) a 4^.:'.t V,'� X . / ft = oS ft Rock m Upslope Wid th(G2d) Width(ed fo Upslope Width(G2d) i. Select the greater of G1 and G2h as the -ft Length(D3) cwz downslope width: of 1 ft o ''Downslope Width(G2i) i ft j. Total mound width is the sum of upslope Absorption Width(F) t width (G2d) width plus rock layer width /0 (D2) plus downslope width (G2i) Total Length(G2k) O If ft El ft + 10 ft + a J ft = Li 0 ft k. Total mound length is the sum of upslope width (G2d) plus rock layer length (D3) plus upslope width (G2d) °j ft + 1/L- ft + , ft = ) feet Final Dimensions: go x c a a/4-t. , I herebyrecertify hat I hay ( ompleted this work in accordance with applicable ordinances, rules and laws. L._ » v"' (signature) �y, (license#) ''.--.)••••(-0,6 (date)