Laserfiche WebLink
� � <br /> � <br /> 3. A850RPTION AREA 51ZING <br /> Note:Mound setbacks ere meQwred from the A6sorpt)vn drea. <br /> A.CalcutaLe A6sorptlon 4Yldth:Sed Wldtf� (2.8)X Mound llbsorptlan Rot�o(t. �Absorption Wldth <br /> 10.0 ft X 2.0 = 20.0 ft <br /> B, For slopes>1%,the Absorption Wldth is measured downMll from ihe upsio edge of the Sed. <br /> Catculate Downsfope Absorptton Wfdth:Absorptlon Wldth (3.A)•Bed Wfdt (2.8)=ft <br /> 20.0 ft - 10A (t = 9U.0 ft <br /> 4. MOUNU SITIHG <br /> A,Calculate t(eon Sand Lfft: 3 feet mtnus Qepth to Lfmtttng ConAition (t,C)= feart Sand Lt(t (1 ft minimum) <br /> 3A tt - 1 A ft = 2.0 ft Design Sa Lfft(optional}: �2,p <br /> B. Calculate Upslope Helghh Cleon Sond Uft (4.A).medta deptli (t tt.)+cov (1 it.)=Upstope Ne(ght <br /> 2.0 tt + 1.0 tt + 1 A R- 4.0 ft <br /> o•l a:5f�;,r av'n;,,N;,ra�r <br /> L�1d1l4p8R 0 1 t ) � S 6 I 8 9 10 11 It 13 li IS ib 7 !b 19 26 21 ti 23 14 25 <br /> l�p5l�? l:t Ip;2.41 2,31 t.if 2.�t.bl 2.0 t.�t3 l.�l 1,35 1.31 1.25 2.A l.il L13 2.C4 t.t� .0) 2.U� t.9) i.SS 13I 1.91 f.Fi i.&7 I.Fi <br /> B.wrnR�E�3 �i:l �.p�3.dS IN 3,SJ 3.�IS i.il 3,t3 I,it l.0}t.`N 1.�5 1.7E 2.7G 1.b2 1.55 1.�E 1.9t 3S 2.t9 1.2) 1.l9 1,1b 1.tti t.03 1.43 I.Si <br /> Land 9ope� 0 I 2 ) 4 S b T A 9 10 1! 11 13 11 IS ib ] IB 39 10 l I lt t2 N t5 <br /> GO;+'rKlqpp 3:t 1.(4).�i 3.IS 1.35).al ?.Sl lj�3.Etl 1.i5 a,ll a1�d.;3 d.t9 A.�S 5.2a 5.55 S.F3 21 b.b) 1.p! 1.d1 l.S) 8,a2 3.91 9.�i IQ.Cl <br /> BWfd�t� �:i a.U)i,1T 4.35 y.41 3.Tb S.(ll 5.16 S.Sb S.E3 F.1S 6,bi T.la I.S9$.�9 8.92 9.5] IO.td 1.Ya if.hl 12.1I N.19 43.f7 M,EI iS.ET 16.5!f1.41 <br /> � SelectUpsfvpeBermMuiHplFer <br /> (base6 ort iaad slope): 2.48 {flgure D-34) <br /> D. Calcutate Upslope 8erm YYidth:Multlp(ier(4.t)X Upslape Mound Helght {4 B)=Upslope 8erm�dth <br /> 2.48 tt x 4.0 tt = 10.0 tt <br /> E. Calculate Drop in Elevatlon Under Bed:Bed Width (2.8) X 1.ond Sfope (1.D} 100�Drop ((t) <br /> 10.0 (t X 7.O � : l00- 0.70 ft <br /> F. Calculate Downs[ope Mound NelgFrt:tlpslc�e Netght {q.8)+Drop frt ElevatFo (4.E)�lJoivnsfope Height <br /> 4.0 it f 0.70 f► = 4.7 ft <br /> � Select Downstope 8erm Muttiptfer <br /> ({��p�y{��{�): 5.32 (ttgure D-34) <br /> H.Calculate Dovmsfope 8erm WJdth:Muitipiter (4.G)X Aowrtslope Hetght {4.F)-Do�rru[ope Berm Wtdth <br /> 5.32 x 4.7 tt = 25.0 tt <br /> 1. Calcutate M!nlmum Berm to Cover Absorptton Area:Downs[ope Absorptfon th (3.8 or 3.C)+4 ft.=ft <br /> �o.o r� . a ft = 14.o r� <br /> J. Desfgn DownsiopP 8erm a greater of 4N and 41: 25.0 ft <br /> K. Select Endslope Berm Multlpfler: 3.00 (u���y 3.0 or 9.0) <br /> L. Cakutate EnCstope Ber�n (4.K)X Dowrtstope Mound Neight (4.F)=Endstope rm Width <br /> 3.Q0 ft x 4J it = 94.0 tt <br /> M.Calculate Mound YVtdth:Upsiope 8erm 4Yfdth{d.D)+8ed Wldth (2.R)•[losm ope Serm Wldth (4.J)=ft <br /> 10.0 tt + i0A tt + 25A R = 45.0 tt <br /> k.Calwlate Nound i.engih:Endstope Berm W7dth �4.L)+Sed Length (2.C)+ s(ope Berm Wldth (4.L)=ft <br /> 14.0 (t + 63,0 tt + 14.0 ft = 9i.0 tt <br /> Lomments; <br /> I� I <br />