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3. ABSORPTION AREA SIZING <br /> Mote:Mound setbacks are menwred from the Absorption Area. <br /> A. Calculate Absorption Width:Bed Width (2.8)X Mound Absorption Rath (1.F)-Absorption Width <br /> 10.0 ft x 2.0 - 20.0 ft <br /> B. For slopes-1X,the Absorption Width Is measured downhill from the upslope edge of the Bed. <br /> Calculate Downslope Absorption Width:Absorption Width (3.A)-Bed Width (2.111)-ft <br /> 20.0 ft - 10.0 ft 10.0 ft <br /> 4. MOUND SIZING <br /> A. Calculate Clean Sand Lift: 3 feet minus Depth to Uniting Condition 0-C)-Clean Sad Uft (1 ft mMHmum) <br /> 3.0 ft - 1.2 ft - 1.8 ft Design Sand Lift(optional): 711.8 <br /> B. Calculate Upslope Height:Clow Sad Lift (4.A)+rnedlo nkpth (1 ft.)+cover (1 ft.)-Upslope Height <br /> 1.s ft + 1.o ft + 1.o ft- 3.a ft <br /> D-34;Slope Multiplier Table <br /> Lind Slope X 0 I 1 2 3 4 5 ,6 7 8 9 JO Il 12 13 14 15 161 111 1111 191 20121 1221 )11 U1 Al <br /> UP9OPe 3:i 3.00 2.91 1.83 2.15 2.68 2.61 1.54 2.48 2.42 2.76 1.3i 2.26 I.21 2.17 2.13 2.09 1.05 2.03 I.00 1.97 1.95 1.93 1.9! 1.89 1.87 1.85 <br /> Berm Ratio 141 4.00 3.85 3.70 3.57 3.45 3.33 3.23 3.12 3.03 2.44 2.86 2.78 4.10 2.62 1.55 2a8 2.41 2.35 1 L2912.2312,1812,012.0812 03 1.98 1.93 <br /> Lend Slw x 0 I T <br /> 2 1 3 14 1 5 1 6 1 T 1 8 1 9 1101111 111131 141151 16 1 17 1 18 1 19 1 20 1 11 1 22 13 24 15 <br /> ClOVr11510pe3:1 3.00 3.09 3.l9 3.30 3.41 3.53 3.IA3.80 3.95 4.11 4,29 4.48 4.69 4.95 5.24 5.55 5.88 6.24 6.63 7.00 1 7.47 7.93 1 8.42 18.93 9.46 10.02 <br /> Berol Ratio JkI 4.00 4.1T 4.35 4.50 4.%5.00 516 5.56 5.88 6.15 6.b7 7.14 7.69 8.29 8.92 9.57 10.24 10.94 11.67 12.42 13.19 13.99 14.82 15.67 16.54 11.44 <br /> C. Select L43dcpe Berm Multiplier <br /> (based on land slope): 3.33 (figure D-34) <br /> D. Calculate Upslope Berm Width:Multiplier (4.C)X Upslope Mound Height (4.11)-Wope Berm Width <br /> 3.33 ft x 3.a ft - 13.0 ft <br /> E. Calculate Drop in Elevation Under Bed:Bed Width (2.8) X Lad Slope (1.D)+100-Drop (ft) <br /> 10.0 ft X 4.0 x + 100- 0.40 ft <br /> F. Calculate Downslope Mound Height:Upslope Height (4.B)+Drop in Elevation (4.E)-Downslope Height <br /> 3.8 ft + 0.4 0 ft = 4.2 f t <br /> G.Select Downslope Berm Multiplier <br /> (based on land slope): 4.76 (figure D-34) <br /> H.Calculate Downslope Berm Width:Multiplier (4.G)X Domalope Height (4.F)-Dow4nslope Berm Width <br /> 4.76 x 4.2 ft - 20.0 ft <br /> 1. Calculate Minhnum Berm to Cover Absorption Area:Downslope Absorption Width (3.B or 3.C)+4 ft.-ft <br /> 10.0 ft + L_'� ft - 14.0 ft <br /> J. Design Dowtruslope Berm -greater of 4H and 41: 20.0 ft <br /> K. Select Endslope Berm Multipper: 3.00 (usually 3.0 or 4.0) <br /> L. Calculate Endslope Berm (4.K)X Downslope Mound Height (4.F)-Endslope Berm Width <br /> 3.00 ft x 4.2 ft - 13.0 ft <br /> M.Calculate Mound Width:Upslope Berm Width(4.D)+Bed Width (2.B)+Downslope Berm Width (4.J)-ft <br /> 13.0 ft + 10.0 ft + 20.0 ft - 43.0 ft <br /> N.Calculate Mound Length:Enddepe Berm Width (4.1.)+Bed Length (2.C)+Endslope Berm Width (4.1.)-ft <br /> 13.0 ft + 63.0 ft + 13.0 ft 89.0 ft <br /> Consists: <br />