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4• MOUND SIZING <br /> A. Calcutate C(ean Sand Lift: 3 feet minus Depth to timiting Condition (1.C)=Clean Sand Lift (1 ft minimum) <br /> 3.0 ft - 1.7 ft = 1.3 ft <br /> B. Calculate Upslope Height: C[ean Sand Lift (4.A)+media depth (1 ft.)+cover (1 ft.)=Upslope Height <br /> 1.3 ft + 1.0 ft + 1.0 ft= 3.3 ft <br /> D�34:Slopr MWnofier Table <br /> Land$lope h 0 1 2 3 4 5 6 7 8 9 10 11 12 fi t4 IS 16 17 18 19 20 21 22 23 2e 25 <br /> IIFSIopa 3:I 3.OG 2.91 2,33 2.75ii.58 i.6t 2.SJ 2.J3 2.�t2 2.36 :.31 225 L2� 2.�7 2..? i.CS ZOE 2.03 i.0i 1.57 1.9i I.yi 1.9t t.E9 1.E; LbSI <br /> 6uifn P,diiO d:i .7.00 i.85 3Jt1 3.57 3..45 i.i3 313 3.12 3.D3 2.5.1 2.85 2J8 i.7Q 2.61 2.55 2.a8 2.�t1 2.:5 2.24 1.23 2.13 2.13 2.08 2.03 1.98 1.5's <br /> L2nd 510�lE`6 0 i Z 3 4 5 5 7 8 9 I� It 12 13 14 IS 16 11 i8 19 20 II 22 23 14 25 <br /> ' UC`::nilr,,;u �:� ;.�r� �.Ci ;.15 i.iC�'i.1� i.5'_ 3.85 i.BQ 3.Si 3.11 �{.231�.a3�-.55 �.95 i.'t1 i.>5�S.b; E.2J E.Ei ZOa 7..0 i.53 6.42 6.93 9.1b 10.02 <br /> Bwnlhdii0 a:l 1.00 ».t7 a.35 1St aJ6 5.� 5.26 5.56 5.88 6.25 6.67 7.ta 7.69 d.29 8.92 9.57 t�.id 10.9.� It.6? 12.32 t?.I9 73.99 1.�.82 t5.67 +.6.Si t7..i: <br /> � Select Upslope Berm Mu(tip(ier <br /> (based on land slope): 2•70 (figure D-34) <br /> D. Calculate Ups(ope Berm Width:Multiplier (4.C)X Ups(ope Mound Height (4.6)=Upslope Berm�dth <br /> 2.70 ft x 3.3 ft = 9.0 ft <br /> E. Calculate Drop in Elevation Under Bed:Bed�dth (2.6) X tond Slope (1.D)= 100=Drop (ft) <br /> 10.0 ft X 12.00 % = 100= 1.20 ft <br /> F. Calculate Downslope Mound Height: Ups(ope Height (4.B)+Drop in Elevation (4.E)=Downslope Height <br /> 3.3 ft + 1.20 ft = 4.5 ft <br /> Select Downslope Berm Multiplier <br /> �' (based o�land slope): 4.96 (figure D-34) <br /> H. Calculate Downs(ope Berm Width:Mu(tiplier (4.G)X Downslope Height (4.F)=Downslope Berm�dth <br /> 4.96 x 4.5 ft = 22.5 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 + � ft = 14.0 ft <br /> J. Design Downslope Berm =greater of 4H and 41: 22.5 ft <br /> K. Select Endsfope Berm Mu(tip(ier: 3.00 (usually 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 4.5 ft = 13.6 ft <br /> M.Calculate Mound Width: Upslope Berm Width(4.D)+Bed�dth (2.6}+po�slope Berm�dth (4.J)=ft <br /> 9.0 ft + 10.0 ft + 22.5 ft = 41.5 ft <br /> N. Calculate Mound Length: Endslope Berm Width (4.L)+Bed Length (2.C)+Ends(ope Berm�dth (4.L)=ft <br /> 13.6 ft + 32.0 ft + 13.6 ft = 59.2 ft <br />