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3. ABSORPT'ION MEA SIZING <br /> Note:Mound setbocks are meawred from the Absorptlon Area. <br /> A. Cakulate Absorptfon Width:Bed Width (2.6)X Mound Absorption Ratfo (1.Fl=Absorption�dth <br /> 10.0 ft X 2.0 = 20.0 ft <br /> B. For slopes>1X,the Absaption NHdth is measured dohmhill from the upstope edge of the Bed. <br /> Catcutate Dawnslope Absorption�dth: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. Catcutate Clenn Sand Lift: 3 feet minus Depth to Limiting Condition (1.C)=C(enn Snnd Lift (1 ft minimum) <br /> 3.0 ft - 1.0 ft = 2.0 ft Design Sand Lift(optionat): �2.p <br /> B. Calculate Upslope Height:Uean Sa�Lift (4.A)+��a�pth (1 ft.)+co�r (1 ft.)=Upstope Height <br /> 2.0 ft ; 1.0 ft + 1.0 ft= 4.0 ft <br /> D•34:Sbpe Mui6plier TaQ1r <br /> l�t1d SIOpt% 0 1 2 3 4 5 6 7 8 9 10 i l 12 13 11 IS 16 11 !8 19 10 21 22 23 Z4 25 <br /> 11pSlOpA ?:I 3.00 2.41 2.83 2.75 2.66 2.6t 2.Sd 2.d8 2.d2 2.3b T.31 2.26 2.21 2.11 2.13 I.C4 2.06 2.03 2.00 1.97 1.95 1.93 1.9t 1.89 1.87 1.85 <br /> Beml Ratio 4:1 a.W 3,65 3.10 3.57 3.d5 ?.i3 3.23 3.12 3A3 2.9�2.86 2.78 i.N 2.62 L55 2.�8 Z.at 2.35 t.29 2.23 2.f8 2.13 2.08 2,4i 1.48 I.93 <br /> L�tid SIOp!96 0 t 2 ) 4 5 6 1 B 9 10 I I 12 13 14 �S 1b V 18 19 20 21 22 13 t1 25 <br /> Dormslope 3:1 3.W J.A� 3.;5 3.30 3.4i 3.53 3.�b 3.� 3.45�t.tt �.29 4..I8 1.69 a.95 5.2� 5.55 5.88 614 6.a3 LOa 7.�11 L93 8.�2 8.93 9.�6 IOA2 <br /> Berm Ratio a:i a.00 a.t7 a35 d.5�t A.76 5.00 5.16 5.56 5.88 6.IS 6.61 7.1J 7,69 8.29 8.92 9.57 10.2d 10.4d 11.67 R.d� l3.19 13.94 14.82 f5.67 16.54 i7.4d <br /> C. Select Upslope Berm MulNptier <br /> (based on land slope): 2.48 (figure D-34) <br /> D. Catculate Upslope Berm Wfdth:Multiptier (4.C)X Upstope Mound Height (4.6)=Upslope Berm Width <br /> 2.48 ft X 4.0 ft = 10.0 ft <br /> E, talcutate Drop in Elevntion Under Bed:Bed�dth (2.6) X Land Slope (1.0)�100=Dr� (ft) <br /> 10.0 ft x 15.0 % + 100= 1.50 ft <br /> F. Calculate Uownslope Mourtd Height:Upstope Height (4.B)+pr�in Elevntion (4.E)=Downstope Height <br /> 4.0 ft + 1.50 ft = 5.5 ft <br /> G.Select Downs[ope Berm Multip(ier <br /> (based on tand slope): 5.55 (figure�-3a) <br /> H.Catculate Downs(ape Berm Width:Mutliplier (4.G)X Downsiape Height (4.F)�Downslope Berm Width <br /> 5.55 x 5.5 ft = 31.0 ft <br /> 1. Calculate Min�mum Berm to Cover Absorption Areo:Qownslope Absorption WPdth (3.6 or 3.Cj+4 ft.=ft <br /> 10.0 ft + �� ft = 14.0 ft <br /> J. Design Downslope Berm =greater of 4H and 41: 31.0 ft <br /> K. Select Endslope Berm Multiplier: 3.00 (uwatly 3.0 or 4.0) <br /> L Calcutate EnaWope Berm (4.K)X Downslope Mound Height (4.F)m Endslope 8erm Width <br /> 3.00 ft X 5.5 ft = 17.0 ft <br /> M.tatcutate Mound VWdth:Upsiope Berm Wfdth(4.D)+g��dth �2,g�+p�rvns(ope Berm Wldth (4.J)=ft <br /> 10.0 ft + 10.0 ft + 31.0 ft = 51.0 ft <br /> N. Calculate Mound Length:Endslope Berm Width (4.L)+8ed length (2.C)+E�sl�e Berm Width (4.L)s ft <br /> 17.0 ft + 63.0 ft � 17.0 ft = 97.0 ft <br /> Commerrts: <br />