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4. MOUND SIZING <br /> A. Catcutate Clean Sand Lift: 3 feet minus Depth to Limiting Cor+diLion (1.C)=Clean Sand Lift (1 ft miMmum) <br /> 3.0 ft - 1.5 ft = 1.5 ft <br /> B. Calwtate Upslope Height:Clean Sand Lift (4.A)+�ia depth (1 ft.)+cover (1 ft.)=Up�slope Height <br /> 1.5 n + 1.0 ft + 1.0 it= 3.5 ft <br /> n-34:s�r��e�rK r� <br /> Lu1d 51opE% 0 1 2 3 :4 5 d 7 8 9 1Q 9Y i2 13 14 15 f6 ' tl i8 `t9 20 : 21 22 23 24 '25 <br /> Up5lOp2 3:1 3.00 2.91 2.83 2.75 2.68 I.bt 2.Sd 2.48 L.r1 2.36 231 2.26 Z21 Z17 2.t3 2.09 2.06 2.03 2.00 1.97 1.95 1.93 1.91 7.89 t.s7 1.E5 <br /> Berm Ratio d:t 4.OD 3.85 3.70 3.57 3.45 3:33 3.?3 3.42 3.03 2.44 3.86 L78 2.73 Z61 2.55 2.�8 2.41 L33 2.29 L23 Zt8 2.13 2.08 Z03 t.98 1:93 <br /> Lind SIOp!� A 1 2 3 4 5 5 7 8 9 10 11 12 i 3 14 15 ' 16 t7 18 19 � ,21 22: 23 24 25 <br /> DNWvfl5lOp2 3:1 3.00 3.U9 3.f9 3.3t1 3.di 3.53 3.66 3.80 3.95 4.11 4.29 A.AB 4.69 d.95 5.24 5.55 5.88 6.2d 6.63 7.04 7.tl7 7.43 8.A2 8.43 9.�16 10.02 <br /> 62[IIl RdtlO 4:1 4:Oa 4.17 3.35:1.54 4.?6 3.Oa i.26 3.56 5.�b.25 b.67 7.14 7.69$.24 �.42 9:57 t0.1d]0.9d f1.67 1L42 13.19 13.49 i4:8�t5.67 1b.'54 17.4�: <br /> C. Setect tlpslope Berm AMrttiplier <br /> ���������; 2.61 (figure D-34) <br /> D. Calculate Upslope Berm IN9dth:Multip(ier (4.C)X Upstope Mound Fleight (4.6)=Upslope Berm VWdth <br /> 2.61 ft X 3.5 ft = 10.0 ft <br /> E. Calcutate Drop in E(evatian tlnder Bed:Bed Yl�idth (2_B) X l.and Stope (1.D)=100=Drop (ft) <br /> 10.0 ft x 8.00 % _ �00= 0.80 ft <br /> F. Calcutate Dnwnslope Mound Height:Up�lope Height (4.B)+prop in F(evotion (4.E)=Dewnst�e Helght <br /> 3.5 ft + 0.80 ft = 4.3 ft <br /> G. Select tJownslope Berm Multiptier <br /> (based on land stope): 3.95 (figure D-34) <br /> H. Catculate Dow►�tope Berm iM1�rdth:Muttiptier (4.G)X Downstape Height (4.F)=Dowr►siope Berm M�idth <br /> 3.95 x 4.3 ft = 17.0 ft <br /> L Catculate Minimum Berm to C�er Absorption Areu:Oowns(ope Absorption Wfdth (3.B or 3.C)+4 ft.=ft <br /> 10.0 ft +� ft = 14.0 tt <br /> J. Design Ovwnslope Berm =greater of 4H and M: 17.0 ft <br /> K. Select Endslope Berm Muttiplier: 3.00 (�lly 3.Q or 4.0) <br /> L. Catculate Endslope Berm (4.K)X Downslope Mound Height (4.F)=Endstope Berm 1Nidth <br /> 3.00 ft x 4.3 ft = 13.0 st <br /> M.Calculate Mound Width: Upstope Berm Yl�dth(4.D)+g�►+��th (2.B)+pn�(�germ Width (4.J)=ft <br /> 10.0 ft + 10.0 ft + 17.0 ft = 37.0 ft <br /> N. Caiculate Mound Length:En�(ope Berm WPdth (4.L)+g�/Length (2.C)+Endslope Berm WFdth (4.L)=ft <br /> 13.0 ft + 50.0 ft + 13.0 ft = 76.0 ft <br />