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4• MOUND SIZING <br /> A. Calculate C(eon Sand Lift: 3 feet minus Depth to Limiting Condition (1.C)=Clean Sand Lift (1 ft minimum) <br /> 3.0 ft - 1.8 ft = 1.2 ft <br /> B. Catculate Upslope Height: C[eon Sond Lift (4.A)+media depth (1 ft.)+cover (1 ft.)=Ups(ope Height <br /> 1.2 ft + 1.0 ft + 1.0 ft= 3.2 ft <br /> D-34:51npe t:uiriplizr Tabl� <br /> Land Slope°-� 0 1 2 4 5 6 7 8 9 10 II 12 1; 14 IS 16 17 18 14 2U 21 22 13 14 25 <br /> IIpSl�ip? 3:1 ?.Oi, 2.91 Z.d3 [.75 L5& 2.51 2.5a 2.�d 2.Ji 235 2.31 2.25 2.21 2.;7 2.13 LCS 2.05 2.03 2.��� 1.i7 l.Si t.ii I.St 1.89 1.87 1.bi <br /> E51"Ol'�'�dCli) �l:t J.CO i.SS 3.70 :.57 3.15 33i i.23 3.12 3.03 2.5.1 2.E5 2.?8 2.70 2.b2 2.55 2.a6 2.d1 2.?5 2.24 2.23 2.18 2.13 2.Q8 2.03 1.98 1.5� <br /> Land Slope`0 0 I 2 3 4 5 5 7 8 9 10 II 12 13 t4 IS t6 17 tE i9 20 21 22 23 24 25 <br /> D('ivlllSlCp? 3:1 _-.00 ;A5 "s.iS ;.3Q 's.{I i.53 3.56 3.8C 3.i5 d.li �1.29 d.1a 4.65 d.95 5.��1 i.55 S.SS 6.2� E,E3 ?.iti» ?.-!' 7.5i 8.-1'c ?.i3 9.J5 iO.G� <br /> Ba101 Rd:in J:I �.OG �i.':7 :.35 :.i1 :.?6 S.CO 5.25 555 5.E8 6.25 6.67 7.I�1 ?.65 E.ZS 8.9Z 9.i� 10.2-J 1�.9J tI.57 12.2 13.�9 13.99 11.82 i5.67 16.5: i7.Jr <br /> � Select Upslope Berm Multip(ier <br /> (based on land stope): 3.23 (fi�ure D-34) <br /> D. Calculate Upslope Berm Width: Multiplier (4.C)X Upslope Mound Height (4.6)=Ups(ope Berm Width <br /> 3.23 ft x 3.2 ft = 10.0 ft <br /> E. Calculate Drop in E(evation Under Bed: Bed Width (2.6) X Lond Slope (1.D): 100=Drop (ft) <br /> 10.0 ft x 5.00 % : �oo= 0.50 ft <br /> F. Calculate Downslope Mound Height: Upslope Height (4.6)+Drop in Elevotion (4.E)=Downs(ope Height <br /> 3.2 ft + 0.50 ft = 3.7 tt <br /> � Select Downsfope Berm Mu(tiplier <br /> (based on land slope): 5.00 (figure D-34) <br /> H. Calculate Downs(ope Berm Width:Muftip(ier (4.G)X Downs(ope Height (4.F)=Downslope Berm Width <br /> 5.00 x 3.7 ft = 18.0 ft <br /> I. Calculate Minimum Berm to Cover Absorption Area:Downs(ope Absorption Width (3.6 or 3.C)+4 ft. =ft <br /> 10.0 ft +� 4 � ft = 14.0 ft <br /> J. Design Downs(ope Berm =greater of 4H and 41: 18.0 ft <br /> K. Select Endslope Berm Multiplier: 3.00 (usualty 3.0 or 4.0) <br /> L. Catculate Endslope Berm (4.K)X Downslope Mound Height (4.F)=Endslope Berm Width <br /> 3.00 ft x 3.7 tt = 11.0 ft <br /> M. Catcutate Mound Width: Ups(ope Berm Width(4.D)+Bed Width (2.6)+Downs(ope Berm Width (4.J)=ft <br /> 10.0 ft + 10.0 ft + 18.0 ft = 38.0 ft <br /> N. Calculate Mound Length: Ends(ope Berm Width (4.L)+Bed Length (2.C)+Endslope Berm Width (4.L)=ft <br /> 11.0 ft + 63.0 ft + 11.0 ft = 85.0 ft <br />