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�- MOUND SIZING <br /> A_ CaLcutate Qean Sand Lift: 3 feet minus Depth to Limiting Condition (t.C)=Clean SQnd Lift (1 ft minimum) <br /> 3.0 ft - 1.7 ft = 't.3 ft <br /> 8. CaEcuLaie Upslope Height: Clean Sand Lijt (4.A)+media depth �1 ft.)+caver (; ft,}=Upslope tieight <br /> 1_3 ft + 1.0 ft + 1_0 ft= 3.3 ft <br /> D-3-0:Siope�'ulriplier Table <br /> L221d$IOpP n 0 i 2 3 4 5 6 7 8 4 10 il 12 73 S4 t5 16 17 iS 79 20 21 22 23 24 25 <br /> UpSlOpe 7:7 ?.00 241 2.&1 2J5 2.58 2.5I 2.5.2..kZ 2.fi L35 2.31 L25 2.21 itl 2.!3 LCSj 2.05 2.03 2.9C 1.>7 5.55 1.53 1.5; 1.E9 1.57 1.85 <br /> Bpflll FaCiO -�:7 4.CP i.SS 's.70 3.5T 3.15 3.i3 3.T 3.12 3A3 2.94 2.Sb L78 ZJD 2.62 2.55 Ld8f 2..7 235 2.29 2.23 2.58 2.13 2•D8 2.Q3 1.98 t.i3 <br /> Land Slope�� 0 t 2 3 4 5 6 7 8 9 10 tt 12 13 74 15 16 t7 78 19 2� 27 22 23� 24 25 <br /> D01•�RSIGpe 3:1 ?.0; 3.C5 3.7s a.se 's.�t 3.53 3.52 3.E(7 3.55 a.17 5.29 t.�tfl�.69 t.95 5.2-t i.55 S.SA 6.21 6.63 7.�1 7.J7 7.5's 9.s2�8.4; 9.�76 i�.62 <br /> Berm Racio a:1 +.OJ<.n a.35:.53 3.76 S.CO 5.26 5.55 '.BS 6Z5 6.67 7.7-L 7.89 8.29 d_92 9.57 10.23 1091 11.67 tL42 T?.t9 13.Y3 ta.82�;5.67 i6.5J t7.F7 <br /> Select Upslope Berm hfu(tip[ier <br /> �� (based on fand siope): 3.33 (figure D-34) <br /> D. Calculate Upslope Berm Width:Mu(tiplier (4.C)X Upslope Mound Height (4.6)=Ups(ope Berm Wdth <br /> 3.33 ft X 3.3 ft = 11.0 ft <br /> E Calculate Drop in Fievation Under Bed:8ed�dth (2.B) X Land Stope (7.D)-100=Drop (ft) <br /> �o.o n x �.00 % : �oo= o.so n <br /> F. Calculate Downslope Mound Height:Upslope Neight (4.6)+Drop in Elevation (4.E)=Downslope Heiqht <br /> 3.3 ft + 0.50 ft =L� ft <br /> Setect llownslope Berm Muttipiier <br /> G� (based on land slope): 5.00 (figure D-34) <br /> H, Ca[culate Downslope Berm�dth:Multip(ier (4_G)X Dowrrsfope Hetght (4.F)=pownslope Berm�dth <br /> 5.00 x 3.8 ft = 19.0 ft <br /> I_ Calcuiate Minimum Berm to Cover A6sorption Area:Downslope Absorptron Width {3.B or 3.C)+4 ft.=ft <br /> '!0.0 ft +� ft = 14.0 ft <br /> J. Design Downstope Berm =greater of 4H and 4E: 19.0 ft <br /> K. Select Endslope Berm Multipiier: 3.OU (usua(ly 3.0 or 4.0) <br /> L. Calculate Endslope Berm (4.K)X Downsfope Mound Heiqht (4.F)=Ertdslope Berm�dth <br /> 3.00 ft X 3.8 ft = 91.0 ft <br /> M.Calculate Mound Width: Upsfope Berm�dth(4.D)+Bed Width {2_B)+parvnstope Berm�dth (4.J)=ft <br /> 19.0 ft + 10.0 ft + 19.0 ft = 40.0 ft <br /> N. Calcu[ate Mound Lengih:Endslope$erm�dth (4_L)+Bed Length (2_C)+Endsfope Berm Width (4.L)=ft <br /> 9 9.0 ft + 63.0 ft + 11.0 ft = 85.0 ft <br />