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4• MOUND SIZiNG <br /> A. Calculate C(ean Sand Lift: 3 feet minus Depth to Limiting Condition (1.C)=Clean Sond Lift (1 ft minimum) <br /> 3.0 ft - 1.3 ft = 1.7 ft <br /> B. Calculate Upslope Height: C(enn Sand Lift (4.A)+media depth (1 ft.)+cover (1 ft.)=Ups(ope Height <br /> 1.7 ft + 1.0 ft + 1.0 ft= 3.7 ft <br /> D�34:SIODe Mukielirr 7aGk <br /> land Slopr% 0 I 2 � 3 4 5 6 7 B 9 10 11 t2 13 14 IS 16 17 I8 79 20 2I 22 2; 24 25 <br /> l�pSlOpe i:l :.uG 2.'vl 2.831i.75 i.58 2.21 Z.54 2.d8 2.-72 2.?5 2.31 2.25 2.Z1 2.t7 �.53 2.�9 :.06 2.03 2.D0 1.57 7.55 1.53 1.91 1.E9 1.87 i.Ei <br /> B?rni Ra:io a:t �.00 i.65 3.70 3.57 3.a5 3.33 313 3.i2 3.03 2.9.t 2.86 2.78 i.70 2.52 2.55 2.d8 2.�i 2.35 2.29 113 2.�8 1.13 2.08 2.03 i.98 i.93 <br /> land Siope:� 0 1 2 3 4 5 6 7 8 9 10 11 12 i3 14 IS 16 17 18 19 20 2� 21 2; "[4 15 <br /> Do�;;nslope 3:i 3.00 ?.03 3.i5 >.;.��;.�i ;.5? ;.55 >.Fr, ;.,5 a.tt a29 q..�S .�.65 �.95 S.i� 5,i5�5.89 6.2a 6.53 ?.D: 1.a? 7.5; 9.a2 8.�i 9.a6 i0.02 <br /> 6PI"�l Rdi�n .1:f :.P s.t7 1,35 J.S.! 5.76 S.uO 5.25 5.55 5.8d F.iS 5.67 7.iJ 7.69 8.25 8.92 9.57 iQ2a 10.9J t1.57 I2.12 73.151 13.99 tJ.82 i5.67 16.51 17.J4 <br /> �. Select Upslope Berm Multiplier <br /> (based on land slope): 2•70 (figure D-34) <br /> D. Catculate Upstope Berm Width:Multiplier (4.C)X Ups(ope Mound Height (4.6)=Upslope Be�m Width <br /> 2.70 ft x 3.7 ft = 9.9 ft <br /> E. Calculate Drop in E(evation Under Bed:Bed�dth (2.6) X Lond S(ope (1.D) :-100=Drop (ft) <br /> 10.0 ft X 12.00 % : 100= 1.20 ft <br /> F. Calculate Downslope Mound Height: Upslope Height (4.6)+Drop in Elevation (4.E)=Downs(ope Height <br /> 3.7 ft + 1.20 ft = 4.9 ft <br /> � Select Downs(ope Berm Multip(ier <br /> (based on land slope): 4.96 (figure D-34) <br /> H. Calculate Downslope Berm�dth:Merltip(ier (4.G)X Downslope Height (4.F)=Downslope Berm Width <br /> 4.96 x 4.9 ft = 10.0 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 = 10.0 ft <br /> J. Design Downslope Berm =greater of 4H and 41: 10.0 ft <br /> K. Select Endslope Berm Multiptier: 3.00 (usualty 3.0 or 4.0) <br /> L. Calcutate Ends(ope Berm (4.K)X Downslope Mound Height (4.F)=Endslope Berm Width <br /> 3.00 ft x 4.9 ft = 14.6 ft <br /> M. Calculate Mound Width: Ups(ope Berm Width(4.D)+Bed�dth (2.6)+powns(ope Berm Width (4.J)=ft <br /> 9.9 ft + 10.0 ft + 10.0 ft = 29.9 ft <br /> N. Calculate Mound Length: Endslope Berm Width (4.L)+Bed Length (2.C}+Endslope Berm Width (4.L)=ft <br /> 14.6 ft + 32.0 ft + 14.6 ft = 61.2 ft <br />