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3• ABSORPTION AREA SIZING <br /> Note:Mound�etbacks are meawred from the Absorption Areo. <br /> A. Calculate A63drptron Width:Bed Width (2.6)X Mound Absorption Ratio (1.F)=Absorption Width <br /> 10.0 ft X 2.0 = 20.0 ft <br /> B. For slopes>1%,the Absorption Width is measured downhilt from the upslope edge of the Bed. <br /> Calculate!�►�ms(ope Absorption Width:Absorption Width (3.A)-Bed Width (2.6)=ft <br /> 20.0 ft - 10.0 ft = 10.0 ft <br /> 4. MOUND SIZING <br /> A. Calcutate Clenn Sand Lift: 3 feet minus Depth to Limiting Condition (1.C)=Clean Sand Lift (1 ft minimum) <br /> 3.0 ft - 1.5 ft = 1.5 ft Design Sand Lift(optional): �1,5 <br /> B. Calculate Upslope Height:C(ean Sand Lift (4.A)+media depth (1 ft.)+cower (1 ft.)=Upslope Heiqht <br /> 1.5 ft + 1.0 ft + 1.0 ft= 3.5 ft <br /> D-34:Slope Muldplie Ta6te <br /> LandSiOpe� 0 I 2 3 d 5 6 1 8 9 10 II 12 13 14 15 16 1I 1Q 14 2Q 21 22 23 M 25 <br /> Up51Cpe 3:1 3.QQ 2.91 2.83 2.15 2.68 2.6t 2.5�1 2.�8 La2 2.36 231 2.2b 111 2.i7 2.13 2.f� 2,05 1.Q3 I.IX3 1,97 1.95 1.43 1.91 1.89 1.87 I.95 <br /> Berm Rrtio �1:1 a.�0 3.d9 3.70 3.57 3A5 3.33 3.t3 3.t2 3.03 2.4d 2.86 2.18 2.70 2.61 t.55 1.a8 2.at 2.35 2.29 2.13 L�8 2.�? 2.08 2.Oi 1.96 I.93 <br /> LAfld SlOpe ro 0 f 2 3 4 5 6 7 8 4 14 i i U 11 14 15 t6 17 18 19 20 21 22 23 14 25 <br /> L�i�•10510p2 3:1 3.Q0 1.�9 3.�4 3.3Q 3.a1 3.53 3.66 3.80 3.�i�t.tt d14 d.�8 a.69 a.95 5.2d 5.55 5.88 61J 6.63 7.W 7.d1 7.43 8.a2 8.93 9.�i6 10.Q2 <br /> Bem�RaEio J:1 �t.00 4.f/'J35 J.S�d.76 5.00 5.26 4,56 5.�8 6.I5 6.61).14 7.69 8.24 8.92 9,51 10.24 10.9A 11.67 12,A2 13.19 13.99 13.82 t5.67 I6.5d 11Ad <br /> Selett Upstope Berm Muttiplier <br /> �' (based on land slope): 3.33 (figure D-34) <br /> D. Calculate Upstope Berm Width:Multiplier (4.C)X Upslope Mound Height (4.6}=tlps(ope Berm Width <br /> 3.33 ft x 3.5 ft = 12.0 ft <br /> E. Calcutate Drop in Elevation Under Bed:Bed�dth (2.6) X Land Slope (1.D)=100=Drop (ft) <br /> 10.0 ft X 5.0 % •- �oo= 0.50 ft <br /> F. Calculate Downslope Mound Heiqht:Ups(ope Height (4.6)+Drop in Elevotion (4.E)=Downslope Height <br /> 3.5 ft + 0.50 ft = 4.0 ft <br /> Select Downslo�e Berm Multiplier <br /> �' (based on land slope): 5.00 (figure D-34) <br /> H. Calcutate Dowru(ope Berm Width:Multiplier (4.G)X Downs(ope Height (4.F)=Dorms(ope Berm Width <br /> 5.00 x 4.0 ft = 20.0 ft <br /> i. Calculate Minimum Berm to Cover Absorption Area:Downslope Absorption Width (3.6 or 3.C)+4 ft.=ft <br /> 10.0 ft + Q4 ft = 14.0 ft <br /> J. Design Downs(ope Berrn =greater of 4H and 4L• 20.0 ft <br /> K. Select Endslope Berm Multiplier: 3.00 (uwally 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 4.0 ft = 12.0 ft <br /> M.Calcutate Mound Width:Upslope Berm Width(4.D)+Bed Width (2.6)+Downslope Berm Width (4.J)=ft <br /> 12.0 ft + 10.0 ft + 20.0 ft = 42.0 ft <br /> N. Calculate Mound Length:Endslope Berm Width (4.L)+Bed Lenqth (2.C)+Endstope Berm�dth (4.L)=ft <br /> 12.0 ft + 63.0 ft + 12.0 ft = 87.0 ft <br /> Comments• <br />