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� 4.. MOIJND SIZING <br /> A. Catculate Clean Sond Lift: 3 feet minus Depth to Limiting Condition (1.C) = C(eon Sond Lift (1 ft minimum) <br /> 3.0 ft - 1.3 ft = 1.7 ft <br /> B. Calculate Upslope Height: C(eon Sond Lift (4.A) +medio depth (1 ft.) + cover (1 ft.) = Upslope Height <br /> 1.7 ft + 1.0 ft + 1.0 ft= 3.7 ft <br /> D-34:Slope Multiplier Tabie <br /> Land$lope% 0 1 2 3 4 5 6 7 8 9 10 il I2 13 14 15 16 17 18 19 20 21 22 Z3 24 25 <br /> Upslope 3:1 3.00 2.y1 2.83 2.75 2.58 2.5t 2.SJ 2.�18 2.d2 2.36 2.31 2.25 2.21 2.t? 2.t3 2.G5 Z�5 Z.03 2.00 1.57 1.9i 7.93 1.9t I.89 1.E7 1.8i <br /> Bern�Ratio �:1 �i•00 3.85 3.70 3.57 3.�15 3.33 3.23 3.12 3.03 2.9�1 2.86 2.78 2.70 2.62 2.55 2.�{8 2.41 2.35 2.29 2.23 2.18 2.13 2.08 2.03 1.98 1.93 <br /> Land$lope m n 1 2 3 4 5 6 7 8 9 t0 11 12 i3 t4 15 16 i7 18 19 20 21 22 23 24 25 <br /> Cb�'tf1SI0PP ?:1 3.IX) 3.09 3.19 3.30 3.di 3.53 3.56 3.80 3.95 -l.11 J.29 1.d8 d.69 �.45 5,2a i.55 5.8$ 6.2J 6.63 7.W 7.d7 7.53 &.J2 8.4i 9..l6 SG.L2 <br /> Berm Ratio -l:1 d•00 �i•iT d35 d.51 J.76 S.CO 5.26 5.56 5.88 6.25 6.67 7.1J 7.65 8.29 8.92 9.57 10.2J 10.5J 11.67 12.d2 13.19 13.99 1.1.62 15.67 56.54 17.�11 <br /> Select Upslope Berm Multiplier <br /> �' (based on land slope): 2.36 (figure D-34) <br /> D. Calculate Upslope Berm Width: Multiplier (4.C)X Upslope Mound Heigf�t (4.B) = Upslope Berm Width <br /> 2.36 ft x 3.7 ft = 9.0 ft <br /> E. Calculate Drop in Elevation Under Bed: Bed Width (2.6) X Land Slope (1.D) : 100= Drop (ft) <br /> 10.0 ft x 9.00 % : �oo= 0.90 ft <br /> F. Calculate Downslope Mound Height: Upslope Height (4.B) +Drop in E(evation (4.E) =Downslope Height <br /> 3.7 ft + 0.90 ft = 4.6 ft <br /> Select Downslope Berm Multiplier <br /> G� (based on land slope): 4.11 (figure D-34) <br /> H. Calcutate Downs(ope Berm Width: Multip(ier (4.G) X Downs(ope Height (4.F) =Downslope Berm Width <br /> 4.11 x 4.6 ft = 19.0 ft <br /> I. Catculate Minimum Berm to Cover Absorption Area: Downs(ope Absorption Width (3.B or 3.C) +4 ft. =ft <br /> 14.0 ft + �4� ft = 18.0 ft <br /> J. Design Downslope Berm =greater of 4H and 41: 19.0 ft <br /> K. Select Endsiope Berm Multiplier: 3.00 (usualty 3.0 or 4.0) <br /> L. Calculate Endslope Berm (4.K) X Downs(ope Mound Height (4.F) =Endslope Berm Width <br /> 3.00 ft x 4.6 ft = 14.0 ft <br /> M. Calculate Mound Width: Ups(ope Berm Width(4.D) + Bed Width (2.B) + Downs(ope Berm Width (4.J) =ft <br /> 9.0 ft + 10.0 ft + 19.0 ft = 38.0 ft <br /> N. Calculate Mound Length: Ends(ope Berm Width (4.L) + Bed Length (2.C) + Endslope Berm Width (4.L) =ft <br /> 14.0 ft + 38.0 ft + 14.0 ft = 66.0 ft <br />