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3• ABSORPTION AREA SIZING <br /> Note:Mound setbocks ore measured from the Absorption Area. <br /> A. Calculate Absorption Width:Bed Width (2.6)X Mound Abwrption Ratio 1.F)=Absorption Width <br /> 10.0 ft X 2 0 = 20.0 ft <br /> B. For slopes>1%,the Absorption Width is measured downhilt from the upsl pe edge of the Bed. <br /> Calcutate Downsfope Absorption Width:Absorption Width (3.A)-Bed Wi th (2.6)=ft <br /> 20.0 ft - 10 0 ft = 10.0 ft <br /> 4• MOUND SIZING <br /> A, Calculate C/ean Sand Lift: 3 feet minus Depth to Limiting Condition (1.0 =Clean Sand Lift (1 ft minimum) <br /> 3.0 ft - 1.0 ft = 2.0 ft Design S nd Lift(optional): �Z� <br /> B. Calculate Upslope Height:Clean Sand Lift (4.A)+media depth (1 ft.)+c ver (t ft.)=Ups(ope Height <br /> 2.0 ft + 1.0 ft + 1.0 ft= 4, ft <br /> i,.J4:SIQG2 Mu![iUFi?r�ahl% <br /> ; land Slppe R 0 i 2 3 4 S 6 7 � 9 IO Il tt 13 I4 15 la I7 ;& 19 t0 11 tt 23 14 25 ; <br /> � �pc�p�a �i:i :.Gi 2.91 '[.83 :?5 2.SE 2.Rij2.5!�LJ3 La"[ 1.i5�2.31 2.25 211 2.'?�i�'3�:.G5 2.t� 2,U3 2.IAi 1.91 1.9i t.ii 1.9' 1.89 1.?.' I.ei I <br /> 6plm Rdi��; id:l �.uN� 3.d5 i,'0 i.57 i,.15 3.33 3.23 3.t't 3A3 2 9d�2.8b 2.IE i.lp 2.62 2.55 2.dE ?dt 2.?5 2.29 1.23 2JS 2.t3 LC�& 1.Q> I.58 I.S� <br /> ' ldlidSlOR@�; 0 1 2 7 4 � 6 7 A 9 10 II 12 13 Id 1� 16 !7 IB 19 t0 21 22 23 24 25 � <br /> � (n�';;nSlr,pP I's:1 )iC �.Ci i.:'r i.35 i.ai :.9:�i.5b�i.2t'� 3.r5 �i.11 �{.24 d.:8 ;.5"5�.45�i.�-t a.55 iE? 61, E.63 ?.,� 1.�? 7.i� 8..!"[�S.9i 9..{b I�.i��l <br /> i f��ll"ii(ii!'6 la:l 1.0�3 �.?7.1.35 d.5�1 3J6 S,CAI 5.ih 5.55 5.B8 6.�5 6.67 l.la 1.6y �.2i 8,92 �.�i 1Q2 16.51 11.67 12:�7 }3.14 '3.99 1.�.82�t5.67 !6.54 1�..E+� <br /> � Select Upslope Berm Mu(tiplier <br /> (based on land slope): 2.48 (figure D-34) <br /> D. Calculate Upsfope Berm Width:Multiplier (4.C)X Ups(ope Mound Meight 4.6)=Upslope Berm Width <br /> 2.48 ft X 4, ft = 10.0 ft <br /> E. Catculate Drop in E(evation Under Bed:Bed Width (2.6) X Land 5(ope (1.D : 100=Drop (ft) <br /> 10.0 ft X 7. % = 100= 0.70 ft <br /> F. Calculate Downslope Mound Height:Ups(ope Height (4.B)+Drop in E(evati n (4.E)=Downs(ope Height <br /> 4.0 ft + 0.7 ft = 4.7 ft <br /> � Select Downs(ope Berm Mu(tiplier <br /> (based on land slope): 5.32 (figure D-34) <br /> H. Calcu(ate Downslope Berm Width:Multip(ier (4.G)X Downs(ope Height (4. )=Downslope Serm Width <br /> 5.32 x 4.7 ft = 25.0 ft <br /> 1. Catculate Minimum Berm to Cover Absorption Area:Downslope Absorption idth (3.6 or 3.C)+4 ft. =ft <br /> 10.0 ft + 4 ft = 14.0 ft <br /> J. Design Downsfope Berm =greater of 4H and 41: 25. ft <br /> K. Select Endslope Berm Multiplier: 3.00 (usually 3.0 or 4.0) <br /> L. Calculate Endslope Berm (4.K)X Downslope Mound Height (4.F)=Endslope erm Width <br /> 3.00 fc X 4.7 ft = 14.0 ft <br /> M.Calculate Mound Width: Upslope Berm Width(4.D)+Bed Width (2.6)+Do lope Berm Width (4.J)=ft <br /> 10.0 ft + 10.0 f + 25.0 ft = 45.0 ft <br /> N. Calculate Nbund Length:Endslope Berm Width (4.L)+Bed Length (2.C)+E dslope Berm Width (4,L)=ft <br /> 14.0 ft + 63.0 f + 14.0 tt = 91.0 ft <br /> Comments: <br />