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G. MOUND SLOPE WIDTH 8�LENGTH(Greater than 1%) <br /> � ,1. Downslope absorp6on width=absorption width minus rodc layer width <br /> 15 feet - 10 feet= 5 feet <br /> 2. Calculate mound size <br /> UPSLOPE <br /> a.Determine depth of clean sand at upslope edge of rodc layer=3 feet minus distance to restricting layer(C1) <br /> 3 ft - 2 ft= 1 feet <br /> b. Mound height at the upslope edge of rodc layer=depth of dean sand for separation(G2a) <br /> at upslope edge plus depth of rodc layer(1 foot)to depth of cover(1 toot) <br /> 1 ft+1 ft+1 ft= 3 feet <br /> c. Upslope berm multiplier based on land slo see Bgure D-34) <br /> Select berm multiplier of 2.61 <br /> d.Upslope width=berm multiplier(G2c)6mes upslope mound height(G2b): ' <br /> 2.61 x 3 ft = 7.8 feet <br /> ll-34: 5LOP�MULTiF'LIER'CABI.� <br /> l�nd UP9WI'E UUWN9W1'E <br /> Slo�+e multiplir�(orv�oua mulNplir�aforvaiouF <br /> in.� slopt ratine �lope ratioe <br /> S:l 4;1 S:1 6:l 7:1 �1:t 3:1 4:1 S:1 b:l 7:1 <br /> 0 3A 4A 5.0 6A 7.0 S.0 SA 4A 5A 6.0 7.0 <br /> 1 2.41 3.b5 4�6 5.66 6S4 7.41 3.09 4.t^- 5.26 6�8 753 <br /> 2 2.89 3.^0 4.54 5.36 6.1A 6.90 3.t9 4.35 556 b.A2 5.1� <br /> 3 2.^S 35^ dJ5 5.06 S.^'�l 6.45 330 4.54 5.88 132 5.86 <br /> 4 2.68 3.45 4.t^ 4.W 5.46 6.A4 3.41 4.^6 b.25 7.89 9.:2 <br /> 5 2bt 333 4_00 4b2 5.19 S.^1 353 SAO 6_fi: SS. f0.i'i <br /> G 2St 3.21 3.85 4.41 4.93 S.{1 3.�66 5.26 �.1� 938 12A'7 <br /> . 2.48 3.t2 3.^0 a.23 4_^'0 5.13 3.60 556 �.69 10_'S4 13J3 <br /> 8 2.d2 3.b3 3.5^ 4.05 9.�9 4.BE 3.95 S.s6 1131 11.51 15.91 <br /> 0 236 2_94 3.�5 5.90 9J0 4.b5 4.11 6.25 9.09 13.M 15.92 <br /> f0 231 2.86 333 3_^S 4.12 9.M 424 6.6^ t0A0 i5A0 23.33 <br /> 11 2.2ti 2.^B J23 3.1:1 3.95 4.26 $.4R i.14 11.11 1T,twS 30.43 <br /> 12 2.21 2.'t1 3.12 3.49 3J.N► 4.ON 9di9 ^.G4 l2 gP 21.43 43.75 <br /> DOWNSLOPE <br /> e. Drop in elevation=rodc layer width(D2)times percent landslope(C5)/100 <br /> 10 ft x 5 �6 /100= 0.5 feet <br /> f. Downslope mound height=depth of clean sand for slope difference(G2e) <br /> at downslope rodc edge plus the mound height at the upslope edge of rodc layer(2b) <br /> 0.50 ft + 3 ft= 3.5 feet <br /> g.Downslope berm multiplier based on percent land slope(see Figu�e D-34) Q5 <br /> h.Downslope width=downslope multiplier(G2g)times downslope mound height(G2� <br /> 5 x 3.5 = 17.5 feet <br /> i.Select greater of G1 and G2h as the downslope width 17.5 feet <br /> j.Total mound width is tt�e sum of upslope(G2d)width plus rodc layer width(D2)plus downslope width(G2i) <br /> 7.8 ft+ 10.0 R+ 17.5 ft= 35.3 feet <br /> k.Total mound length is the sum of upslope width(G2d)plus rodc layer length(D3) <br /> plus upslope width(G2d) �c' /O� 70 ' <br /> �f'8" ft + 50.0 ft+ � ft= r66:�� ft <br /> Final Dimensions 35.3 ft x •-66-�-�ft- <br />