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' 3• ABSORPTION AREA SIZING <br /> No[e:Mound setbacks are measured from the Absorption Area. <br /> A. Calculate Absorption Width:8ed Width (2.8)X Mound Absorption Rotio i 1.Fi=Absorp[ion Width <br /> 10.0 tt x 2.6 - 26.0 rc <br /> B. For stopes>1�-, the Absorption Width u measured downhill from the upslope edge of the Bed. <br /> Calculate Downslope Absorption Width:Absorption width 13.AI •Bed Width 12.Bi = ft <br /> 26.0 ft - 10.0 ft = 16.0 fc <br /> 4• MOUND SIZING <br /> A. Calculate C(eon Sand Lijt: 3 feet minus Depth to Limiting Condicion I1.C1 =Cleon Sond Li/t �t ft mimmuml <br /> 3.0 ft • 1.5 ft = 1.5 ft Design Sand Lift Ioptionall: ��1.5 <br /> B. Calculate Ups(ope Height:Clean Sand Lift �4.A� * media depth �1 ft.)�cover (t ft.i = Upslope Height <br /> 1.5 rc - 1.0 ft • 1.0 rc= 3.5 rc <br /> (��f4 S��iGe Muihplier Tuk <br /> Iar1d Slpp�Y i; 0 t 1 3 1 5 0 ) ! V " 10'; I�; U i i3 N IS; 16 V �S . 19 20 ' 11 22 23 ' N � 25 � <br /> .✓>�V['. i}� .V.�iili.d?��'0 :"b .bliS=:k :.I. '6 :1 ';� :t •c, - • <br /> t :U!' U, :.U: '�"!1i) 1t; Ii' IPY;I.E'• 1.�5� <br /> Ew!iii i r 'i�:1 .t.Q1 i85 i'0 i.51 '7.J5 3.3: 3.13 3.1: l.'vJ 2�M�:85 2'E'i�9i:6:iiS5;2.� 2.1t 2]S 2.25 i.2i ..18 1.1i 2.06 1.0's I.iB LSi <br /> L�nd Slop�': 0 i 2 3 1 5 6 '; 7 e a j �0', i i ! I2 i3� i� is ie �7 i6 w 20 ti lt 13 2l t5 ; <br /> [�'..Ti1�0� �,?:1�:OC itii �'i ih' ;JI iS? 1!�h iEt 3ySi1i' a<'9.:?'.Aii.i�ISeJ )9`.�'SG?�F?�j�ki''.:u 7a7'7i;'�:-Ja:?9; iJ6 �;C'�, <br /> f,�imF�:�i �:1 :OC �1T a.3S a51 i76�5L10 5.16 5.56 S.BE 6..5'b.b7'1u';1.bi 8.2i d92i9.57 t0.i� 109� 11.6i It.i2 '?IS �3.4; �1.Bi 'S.l7:ib.a i'.J�t� <br /> � Select Ups(ope Berm Multiplier <br /> Ibased on land slope�: 2.70 ifigure D•3a1 <br /> D. CalCulate Upslope Berm Width:Mu(tiplier �4.C1 X Upslope Mound Height 14.81 =Upslope Berm Width <br /> 2.70 fc x 3.5 rt = 10.0 ft <br /> E. Calculate Orop in Elevation Under Bed:Bed Width �2.6) X Land 5(ope 11.D1 � 100= Drop �ft I <br /> 10.0 ft X 12.0 4 : 100- 1.20 ft <br /> P. Calculate Downslope Mound Height:Upstope Height 14.81+Orop in E(evotion �4.E1 =Downslope Neight <br /> 3.5 fc - 1.20 rc = 4.7 rc <br /> � Select Downslope Berm Multiplier <br /> Ibdsed on land slopel: 5.32 (figure D•341 <br /> H. Calculate Oownslope Berm Width:Muttiptier �4.G1 X Downslope Height i4.F1 =Downslope Berm Width <br /> 5.32 x 4.7 fc = 25.0 ft <br /> I. Catculate Minimum 8erm to Cover Absorption Area:Downslope Absorption Widih �3.B or 3.C�-4 ft. =ft <br /> 16.0 ft * �� ft = 20.0 ft <br /> J. Design Downslope Berm =greater of 4H and 41: 25.0 ft <br /> K. Select Endslope Berm Muftip(ier: 3.00 �usually 3.0 or 4.0) <br /> L. Cakulate Endslope Berm 14.K1 X Downslope Mound Height �4.F�=Endslope Berm Width <br /> 3.00 tt x 4.7 rc = 15.0 ft <br /> M.Calwlate Mound Width: Upslope Berm Width 14.D1� Bed Width 12.61 � Oownslope Berm Wrdth �a.J1 =ft <br /> 10.0 tt - 10.0 ft • 25.0 ft = 45.0 ft <br /> N. Calculate Mound Length:Ends(ope Berm width �4.L) -Bed Length 12.C1 -Endsiope 8erm Width �4.L� =ft <br /> 15.0 ft � 63.0 fc - 15.0 tc = 93.0 ft <br /> Comments: <br />