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3. ABSORPTION AREA SIZING <br /> Note:Mound setbacks are mea.wred from the Absorption Area. <br /> A. Calcutate Absorptfon Width:Bed Width (2.6)X Mound Absorption Ratio (1.��qbsorptton►Nidth <br /> 10.0 ft X 2.0 = 20.0 ft <br /> B. For slopes>1%,the Absorption Width is rr�awred downhill from the�stope edge of the Bed. <br /> Catculate Downslope Absorption�dth:Absorption�dth (3.A)-Bed Wrdth (2.6)=ft <br /> 20.0 ft - 10.0 ft = 10.0 ft <br /> 4• MOUND SIZING <br /> A. Catculate C(e�nn Sand Lfft: 3 feet minus Depth to LimfNnq CondiKon (1.C)=Cle�n Sond Lijt (1 ft minimum) <br /> 3.0 ft - 1.0 ft = 2.0 ft Design Sand lift(optional): �2,0 <br /> B. Calculate Ups(ope Height:Clean Sond Lift (4.A)+medfa depth (1 ft.)+cover ft ft.)=Upslope Height <br /> 2.0 ft + 1.0 ft + 1.0 ft= 4.0 ft <br /> D•34:Slope Mulhplier Ta61e <br /> L3nd SlOpe% 0 l 2 3 � 5 6 7 8 9 10 It 12 13 14 IS 16 �7 I5 14 ZO 21 22 23 2/ 25 <br /> Up519pe 3:1 3.00 1.41 2.83 1.75 2.68 2.61 2.5�1 2.�lB 2.�l2 2.3b 2.31 2.26 2,21 2.17 2.13 2.64 1.06 1.03 2.00 1.41 1.95 1.93 1.9I 1.89 1.87 1.85 <br /> Bemt RatiO 4:1 A.00 3.85 3.70 3.57 3A5 3.33 313 1,11 3.03 2.9�12.8b 2.78 2.70 2.62 2.55 2,48 2A1 2.35 2.19 2.23 2.18 1.13 2.Od 2.Q3 1.98 1.93 <br /> VndSlope96 0 1 . 2 3 4 5 4 1 8 9 10 If �2 13 I4 15 Ib 17 18 �4 20 ti 22 23 24 15 <br /> Uoamslope 3:1 3.OU 3.f14 3.s9 3.30 3.a1 3.SI 3.66 3,80 3.95 4.11 d.29 r.�8 d.b9 a.45 5.ta 5.55 5.88 6.21 6.63 i.�i 7.a7 1.9i B.aZ 8.43 4.J6 i0.02 <br /> Betfo RdtiO a:t �,00 d.11 4.35�t.5d AIQ 5.OU 5.2b 5.56 5.88 6.15 6.61 l.td 1.69 8.29 8.91 9.57 10.2a 10.93 11.67 12.12 i3.t9 13.99 td.Bt 15.61 16.5d tl.dd <br /> Select Upslope Berm Multiptier <br /> �' (based on land slope): 2.70 (figure D-34) <br /> D. Calcutate llpstope Berm�dth:Mu(tiplier (4.C)X Upslope Mounal Height (4.8)=Upslope Berm Width <br /> 2.70 ft X 4.0 ft = 11.0 ft <br /> E. Cakulate Drop in Elevatlon Under Bed:Bed Width (2.6) X Land Slope (1.D)+100=Drop (ft) <br /> 10.0 ft X 12.0 % = 100= 1.20 ft <br /> F. Calculate Dowrtslape Mound Height:U�lope Hefght �4.B)�Drop in Elevotion (4.E)=Downslope Height <br /> 4.0 ft + 1,20 ft = 5.2 ft <br /> G_Select Downslope Berm Multiplier <br /> (based on land slope): 4.69 (figure D-34) <br /> H,Catcutate Downslope Berm Width:Muttiplier (4.G)X Downslope Height (4.�=Downsl�e Berm Wfdth <br /> 4.69 x 5.2 ft = 25.0 ft <br /> 1. Caltulate Minimum Berm to Couer Absorption Area:Downslope Absorption Width (3.6 or 3.C)+4 ft.=ft <br /> 10.0 ft + � ft = 14.0 ft <br /> J. Des3gn Dowrulope Berm =greater of 4H and 41: 25.0 ft <br /> K. Setect Endslope Berm Mu(tipl3er: 3.00 (�((y 3.0 or 4.0) <br /> L. Cakulate Endsiope Berm (4.K)X Downslope Mound Height (4.F)=Endslope Berm Width <br /> 3.00 ft x 5Z ft = 16.0 ft <br /> M.Calcutate Mound Width:Upslo�e Berm INsdth(4.D)+Bed�dth (2.6)+Downslope Berm�dth (4.J)=ft <br /> 11.0 ft + 10.0 �t + 25.0 ft = 46.0 ft <br /> N. Calculate Mound Length:Endslope Berm Width (4.L)+g���g� (2,C)+�S(o�Berm W�dth (4.L)=ft <br /> 16.0 ft + 63.0 ft + 16.0 ft = 95.0 n <br /> Comments• <br />