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' F. ABSORPTION WIDTH Absorption ratio: � 2 -� <br /> 1. Absorption width equals absorption ratio times rock layer width Rockbed#2 <br /> 2,00 x 10.0 ft = 20.0 ft 5���= �J <br /> G. MOUND SLOPE WIDTH 8 LENGTH(�reater than 1�0) <br /> 1. Downslope absaption width=absorp6on width minus rock layer width <br /> 20.0 feet - 10.0 feet= 10.0 ft <br /> 2. Calculate mound size <br /> UPSLOPE <br /> a.Depth of clean sand at upslope edge of rock layer=3 feet minus distance to restricting�ayer(C1) <br /> 3.0 ft - 2.0 ft= 1.0 ft <br /> b.Mound height at the upslope edge of rodc layer=depth of dean sand for separation(G2a) <br /> at upslope edge plus depth of rock layer(1 foot)to depth of cover(1 foot) <br /> 1 ft+1ft+1 ft= 3.0 ft <br /> c.Upslope berm multiplier based on land slope(see figure D-34) <br /> Selected bemi multiplier: 2•54 <br /> d.Upstope width=berm muttiplier(G2c)times upslope mound height(G2b): <br /> 2.54 x 3.0 ft = 10.0 ft <br /> DOWNSLOPE <br /> e.Drop in elevation=rock layer width(D2)times percent landslope(C5)/100 <br /> 10.0 ft x 6.0 °k I 100= 0.6 ft <br /> f.Downslope mound height=depth of dean sand for slope difference(G2e) <br /> at downslope rodc edge plus the maind height at the upslope edge of ra�c layer(2b) <br /> 0.6 ft + 3.0 ft= 3.6 ft <br /> g.Downsfope berm multiplier based on percent land slope(see Figure D-34 _ <br /> Selected berm multiplier: 5.26 <br /> h.Downslope width=doHmslope multiplier{G2g)times da�rnslope rr�und height(G2� <br /> 5.26 x 3.6 = 19.0 ft <br /> i.Select greater of G1 and G2h as the downslope width 19.0 ft <br /> j.Total mound width is the sum of upslope(G2d)width plus rock layer width(D2)plus downslope width(G2i) <br /> 10.0 ft+ 10.0 ft+ 19.0 ft= 39.0 ft <br /> k.Total mound length is the sum af upslope width(G2d)plus rodc layer length(D3)plus upslope width(G2d) <br /> 10.0 ft + 23.0 ft+ 10.0 ft= 43.0 ft <br /> Final Dimensions (slope>1%) 39.0 ft x 43.0 ft <br /> I hereby ce�fy that all work has been completed in accordance with all applicable orclinances,rules&laws. <br /> ,, __. <br /> (signature) 810(license#) 9/14I2007 (date) <br /> i <br /> �'_ <br /> Page 2 of 5 <br />