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4• MOUND SIZING <br /> A. Catculate Clean Sand Lift: 3 feet minus Depth to Limiting Condition (1.C)=Ctean Sand Lift (1 ft minimum) <br /> 3.0 ft - 2.2 ft = 1.0 ft <br /> B. Calculate Upslope Height: Clean Sand Lift (4.A)+mediQ depth (1 ft.)+cover (1 ft.)=Upslope Height <br /> 1.0 ft + 1.0 ft + 1.0 ft= 3.0 ft <br /> 6•34:51ope Atuttio��er TaG1r <br /> L�Rd SIOp!�,'� 0 F 2 3 G 5 6 7 8 4 10 il t2 i3 I4 t5 16 I7 t8 !9 20 21 22 21 2< 25 <br /> IlaSlnpp 3:1 ;.il�; L41�Z.d.'.2.75 L58 Z.51 2.5: 2.J3 La1 2.36 Z 31 L?5 2.21 2.17 2.!3 Z.C4�LU5 2.03 i.U: 1.57 1.95 1.53 tAf 1.E5 i.Q7 1.Ei'' <br /> i e�101 RdUO �:1 :.C6 's.o5 3.7G 3.57 i.15 ;.33 3.21 3.12 3.03 2.9d 2.85 2.7B 2.70 2.62 2.55 2.J8 2.dt 2.35 Z.2Y 2.23 2.18 2.13 2.G$ 2.03 t.48 1.9i� <br /> i L2nd$IOpe 5; 0 I 2 3 4 S b � 7 9 9 10 il 12 13 ta IS t6 f7 i8 19 20 2I 22 23 24 25 � <br /> i �/�•::�ii�CD=� 3:1 3.1w ?.0y :.'S ��O�i��il ;.5_. :.45 :.€0 l.ii a.li 3.23 J.48 ;.h"v :.95�i.2-i 5.55 S.E3 61J 6.63 7.iN T.1? 7.53 8.J2 8.9's �3.16 1L�.::�, <br /> � Eeriri Rda:i�;: �:1 4.00 .t.t? :.35 =5-� 4J6 5.00 5.?5 5.55 5.&; 6.�5 E.67 7.td 7.65 6.24 8.41 9.57 10.2a t0.9� it.67 12..2 t3.i9 t?.99 i1.E2 i5.67 tf•.S�t t7..ta <br /> � Setect Upslope Berm Multiplier <br /> (based on land slope): 3.57 (figure D-34) <br /> D. Calculate Ups(ope Berm Width:Mu(tiplier (4.C)X Upsiope Mound Height (4.6)=Ups(ope Berm Width <br /> 3.57 ft x 3.0 ft = 10.7 ft <br /> E. Calculate Drop in E(evation Under Bed:Bed Width (Z.B) X Land Slope (1.D): 100=Drop (ft) <br /> 10.0 ft x 12.00 % : i00= 1.20 ft <br /> F. Calculate Downslope Mound Height: Ups(ope Height (4.B)+Drop in E(evation (4.E)=Downstope Height <br /> 3.0 �t + 1.20 ft = 4.2 ft <br /> Select Downslope Berm Mu(tip(ier <br /> �' (based on land slope): 4.96 (figure D-34) <br /> H. Calculate Downslope Berm Width:Muttiplier (4.G)X Downslope Neight (4.F)=Downslope Berm Width <br /> 4.96 x 4.2 ft = 10.0 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 +� ft = 10.0 ft <br /> J. Design Downslope Berm =greater of 4H and 41: 10.0 ft <br /> K. Select Ends(ope Berm Muttiplier: 3.00 (usually 3.0 or 4.0) <br /> L. Calculate Ends(ope Berm (4.K)X Downs(ope Mound Height (4.F)=Ends(ope Berm Width <br /> 3.00 ft x 4.2 ft = 12.6 ft <br /> M. Calculate Mound Width: Upstope Berm Width(4.D)+Bed Width (2.6)+Downs(ope Berm�dth (4.J)=ft <br /> 10.7 ft � 10.0 ft + 10.0 ft = 30.7 ft <br /> N. Calcutate Mound Length: Endslope Berm�dth (4.L)+Bed Length (2.C)+Ends(ope Berm Width (4.L)=ft <br /> 12.6 ft + 32.0 ft + 12.6 ft = 57.2 ft <br />