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• � ' , , • <br /> 4• MOUND SIZING <br /> A. Calculate Ctean Sond Lift: 3 feet minus Depth to Limiting Corrditfon (1.C)=C(enn Sand Lift (1 ft minimumj <br /> 3.0 ft - 2.0 it = 1.0 ft <br /> B. Calculate Up�lope Height:Cleon Sand Lift (4.A)+medin depth (1 ft.)+cover (1 ft.)=Upslope Nefght <br /> 1.0 ft + 1.0 ft + 1.0 ft= 3.0 ft <br /> D•34:51ape MuldpNer Table <br /> IAIIQSIOpB% 0 1 2 3 ♦ 5 6 7 $ 9 3� ti 12 13 tI 15 16 tT 18 19 20 21 22 23 24 25 <br /> UpS10pE 3:1 3.00 2.91 2.E3 2.75 2.68 2.61 2.Sd 2.d8 2.42 2.36 2.31 2.26 2.21 2.17 2.13 2.09 2.06 2.03 2.00 1.97 1.95 1.93 1.91 1.89 1.87 1.85 <br /> 621nt Ratio 4:1 4.OD 3.85 3J0 3.9 3.45 3.33 3.23 3.12 3.43 2.94 2.86 2.78 2.70 2.62 2.55 2.A8 Z41 235 2.29 Z23 2.18 3.13 2.08 2.03 1.98 1.93 <br /> Lif1dS�Opl�'i 0 1 2 3 � 3 6 7 3 9 10 it 12 13 11 15 ib 17 18 19 �0 tt 22 23 I4 25 <br /> DOYmSlop2 3:1 3.00 3.09 3.19 3.30 3.Jt 3.53 3.b6 3.l0 3.45 0.11 J.29.t.d8 i.b9 d.45 5.24 5.55 5.88 6.2a 6.b3 7.QA 7.!/ 7.93 8.J2 8.93 9..►6 t0.d2 <br /> 8ern1 RatiO 4:1 4.00 4JT .1.35 0.5d 4.76 5.D0 5.26 5s56 5.88 6.25 6.6T 7.ta 7.69 8.29 8,92 9.57 10.2�F 10.44 11.67 1Z.42 13.19 13.99 1�t.62 15.6T 16.54 iJai <br /> �_ Select Upslope Berm Multiplier <br /> (based on tand slope): 2•$6 (figure D-34) <br /> D. Catculate Upslope Berm WPdth:Multiplier (4.C)X Upslope Mound Height (4.6)=Upslope Berm IA�rdth <br /> 2.86 ft x 3.0 ft = g,p �t <br /> E. Catculate Drop in Elewation Under Bed:Bed Width (2.B) X Lcrnd Slope (1.D)=100=Drop (ft) <br /> 10.0 ft X 1 U.00 % = 100= 1,00 ft <br /> F. Ca(culate Unwns(ope Mou►rd Height:tlpslope He►ght (4.B)+prop in E(evoNon (4.E)=Do►ms(ope Neight <br /> 3.0 ft + 1,pp ft = 4.0 ft <br /> G. Select Dewnslo�e Berm Mu(tiplier <br /> (based on(and slope); 4.29 (figure D-34) <br /> H. Calculate Dow�lope Berm YWdth:Multiplier (4.G)X Oowns(ope Helght (4.F)=Downslope Berm YWdth <br /> 4.29 x 4.0 ft = 20.0 ft <br /> 1. Calculate Minimum Berm to Cover Absorptfon Area:Downs(ope qbsorptiort 1�Wdth (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: 20.0 ft <br /> K. Setect Endslope Berm A�luldplier: 3.00 (uwalty 3.0�4.0) <br /> L. Calwtate Endslope Berm (4.K)X Dnwns(ope A�ound Height (4.F)=Erxislope Berm Width <br /> 3.00 ft X 4.0 ft = 10.0 ft <br /> M.Catculate/Nound Width: Upslope Berm Width(4.D)+g�yy�dth (2.B)+pe�lope Berm Width (4.J)=ft <br /> 9.0 ft + 10.0 ft + 20.0 ft = 39.0 ft <br /> N. Calcutate Mound Length:Endslope Berm 11�rdth (4.L)+g�Length (2.C)+Ends1ope germ Width (4.l)=ft <br /> 10.0 ft + 38.0 ft + 10.0 ft = 58.�ft <br />