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3. ABSORPTION AREA SIZING <br /> Note:A4ound setlwcks ore meowred from the Absorption Area. <br /> A. Calculate Absorptlon W1dth:Bed Width (2.B)X Mound Absorption Ratio (1.Fl=Absnrptton IMdth <br /> 10.0 ft X 2.0 = 20.0 ft <br /> B. For slopes>1X,the Absorpt�'on�dth is meawred downhill frpm the upstope edge of the Bed. <br /> Calculate Dowmsio�Absvrption Width:Absorption{N�idth (3.A)-Bed hlidth (2.6)=ft <br /> 20.0 ft - 10.0 ft = 10.0 ft <br /> 4. MOUPID SRING <br /> A. Calculate Clean Sand Lift: 3 feet minus Depth to L�mitfng CondiNon (1.C)=Clean Sand Lift (1 ft min9mum) <br /> 3.0 ft - 1.5 ft = 1.5 ft Design Sand Lift(optional): ��,5 <br /> B. Calculate Upstope Height:C(eQn Sond Lfft (4.A)+rrtedia depth (1 ft.)+�over (1 ft.)a Upslo�Height <br /> 1.5 ft + 1.0 ft + 1.Q ft= 3.5 ft <br /> Dd4:Slape bluiHplier Ta61e <br /> L811d S18p2°� 0 I 2 3 4 5 6 I 8 9 10 l l 12 13 14 1i i6 I7 18 19 20 11 22 23 24 15 <br /> UpslOp2 3:1 3.Q0 2.91 Y.83 2.75 2.&8 2.61 2,Sd 2.�8 2A2�.ib 2.31 2.2b 2.21 2.tJ 2.13 2.Q9 2.l� 1.03 2.00 1.97 1.95 1.93 1.91 1.fl9 1,87 I.85 <br /> Bernl Rdt10 4:f 4.�3.85 3.70 3.51 3,d5 333 3.13 3.12 3.03 L44 t.8b 2.78 2.10 2.6I 2.55 2.� 2.d1 1.35 1.29 2.23 2.18 L13 L�8 1.43 1.48 1.93 <br /> l8ndS14pe� 0 I 2 3 4 5 6 7 8 9 1Q II 12 13 t4 i5 td 17 18 19 2D II 22 23 24 25 <br /> Q01•mSlape 3:I ].00 3.09 3.i9 3.30 3At 3.51 ).66 3.80 3.95 dJi 4.19 J..fB d.64�t.95 5.2d 5.55 5.88 6.2J 6.63 7.O.t 7..17 7.93 8.d1 8.93 9.�d IQ.G2 <br /> Berm Ratio �:1 A.�J.iT d.35 4.SJ 4.76 5.4fl 5.26 5.56 5.88 6.I5 6.6i 7.1J 7,69 8.Y9 8.92 9.57 10.2Y 1Q.A1 11.67 12.d? 13.19 13.49 iJ.82 15.67 16.�d 17.•W <br /> Select Upslo�Bprm Multiplier • <br /> C. (based un land stope): 2.86 (flgure D-34) <br /> D. Calculate Upslope Berm VWdth:Multipl3er (4.C)X U�lope AAound Heiqht (4.B)=Upslo�Berm Width <br /> 2.86 ft x 3.5 ft = 10.0 ft <br /> E. Calculate Drop fn Elevation Under Bed:Bed IA/fdth (2.6) X L.nnd Slope (1.D)�1�=Drop (ft) <br /> 10.0 ftX 16.0 % z100= 1.60 ft <br /> F. Calculate Downs(o{�n Mour►d Hefght:Upslope Hefght (4.6)+Drop fin Elevotion (4.E)=Downslo� Height <br /> 3.5 ft + 1.60 ft = 5.1 ft <br /> �tect Domulope Berm Multiplier <br /> G. (based on land slope): 5.88 (Hgure D-34) <br /> H.Calculate Downslope Berm VWdth:Mulh'plfer (4.G)X Dawnslope Height (4.�=Downs[ope 8erm Width <br /> 5.88 x 5.1 ft = 30.0 ft <br /> I. Calculate Mfrn'mum Berm to Caver Absorp[ion Area:Downslope Absorption Wfdth (3.B or 3.C)+4 ft.=ft <br /> 10.0 ft + C� ft = 14.0 ft <br /> J, Design Dowrrs(o�Berm =greater of 4H and 41: 30.0 ft <br /> K. Select Endsl�e Berm Multiplfer: 3.00 (usually 3.0 or 4.0) <br /> L. Calculate E.ndslo�Berm (4.K)X Downstope Mound Height (4.F)=Ertdslope Berm Width <br /> 3.00 ft X 5.1 ft = 15.0 ft <br /> AA.Calculate Mound Width:Ups(ope Berm Wfdth(4.D)+@�►4{�idth (2.B)+Downslape 8erm Width (4.J)=ft <br /> 90.0 ft + 10.0 ft + 30.0 ft = 50.0 ft <br /> N. Calculate Mound Length:Endslope Berm W�dth (4.L)+@ed Lernjth (2.C)+Endslope Berm Width (4.L)=ft <br /> 15.0 ft + 63.0 ft + 15.0 ft = 93.0 ft <br /> CommeMs: <br />