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4. MOUND SIZING <br /> A. Calculate Clean Sar►d Uft: 3 feet minus Depth to Limiting Condfhon (1.C)=Clean Sand Lift (1 ft minimum) <br /> 3.o tt - 2.3 ft = 1.0 ft <br /> B. Calcutate Upstope Height:Clean Sond Lift (4.A)+media depth (1 ft.)+cov�er (1 ft.)=Upslope Height <br /> 1.0 �t + 1.0 �t + 1.0 ft= 3.0 R <br /> a�:s�w,ida�T�,i� <br /> L.ipd$IOpf% 0 1 2 3 4 5 6 7 E 9 10 11 12 13 tA 15 16 t7 1! 19 20 21 I2 23 24 I5 <br /> Up5lOp2 3:1 3.00 L91 2.83 2.75 2.68 2.61 2.54 2.J8 2.d2 2.36 2.31 Z.26 2.21 2.17 2.13 2.Q9 2.06 2.03 2.00 1.97 1.95 1.93 1.91 1.89 1.87 1.85 <br /> 62�m1 RdUO 4A 4.00 3.85 3J0 3.57 3.45 3.33 3Z3 3.12 3.03 2.9d 2.E6 2.78 2.70 t62 2.55 2.dd Z41 L35 Z.29 2.73 2J8 2.13' ZOB 2.03 1.95 1.93 <br /> I.�Itd SIOp@ 96 0 1 2 3 4 5 6 7 8 9 t0 1� 12 13 I.i 15 ib T7 .1g '1q 2d 21` 22 23 24 25 <br /> DOwtISlOpe 3:1 3.00 3.04 3.19 3.30 3.d1 3.53 3.66 3.00 3.95 4.11 4.29.t.18 s.64 4.95 5.2d 5.55 5.88 6.Lt 6.63 7.Od 7.47 7.93 8.42 8.93 9.-06 10.02 <br /> BBITIt RdtiO 4:1 4.00 i.iT 4.35 d.54 A.76 5.00 5.26 i.5b 5.86 6.25 6.67 7.14 7.69 8Z9 8.92 9.57 tO.IA 10.9d N.67 iZ42 13.19 13.99 fd.82 15.67 16.5i 17.d4 <br /> �. Select Upslope Berm Multlplier <br /> (based on land slope): 3.33 (tigure D-34) <br /> D. Calcutate Upslope Berm INfdth:Muldplfer (4.C)X Upstope A�lOund Height (4.6)=Upslope Berm Width <br /> 3.33 ft x 3.0 �t = 10.0 ft <br /> E. Catculate Drop in E(evadon Under Bed:Bed Width (2.6) X Lar►d Slope (1.D):100=Drop (ft) <br /> 10.0 ft x 5.00 % _ �oo= 0.50 ft <br /> F. Calculate Downs(ope Mound Height:Upslope Height (4.6)+prop in Elevatton (4.E)=Downslope Height . <br /> 3.0 tt + 0.50 ft = 3.5 ft <br /> G. Select Dewnslope Berm Multip(ier <br /> (bas�ed on land slope): 5.00 (figure D-34) <br /> H.Calculate Downslope Berm N�idth:Mulhpller (4.G)X Downslope Height (4.F)=Dormslope Berm Width <br /> 5.00 x 3.5 R = 20.0 ft <br /> 1. Ca►culate MiMmum Berm to Cover Absorption Area:Downslope Absorption Wfdth (3.B or 3.C)+4 ft.=ft <br /> 10.0 ft +�4 ft = 14.0 ft <br /> J. Deslgn Downslope Berm =greater of 4H and 41: 20.0 ft <br /> K. Selett Er�dsiope Berm MulNplfer: 3.00 (usuatly 3.0 or 4.0) <br /> L. Calculate Endslope Berm (4.K)X Dnwnslope A�lOund Height (4.F)=Endstope Berm NHdth <br /> 3.00 ft x 3.5 ft = 11.0 ft <br /> M.Calcutate Mound Width: Ups[ope Berm Width(4.D)+Bed Width (2.B)+pewns(ope germ Width (4.J)=ft <br /> 10.0 ft + 10.0 rt + 20.0 ft = 40.0 ft <br /> N. Calcutate Mound Length:Endslope Berm Width (4.L)+g�►��qth (2.C)+Endslope Berm WPdth (4.L)=ft <br /> 11.0 ft + 9.0 fc + 11.0 ft = 31.0 ft <br />