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. 1 l�� <br /> . F. ABSORPTION WIDTH Absorption ratio: 2 <br /> 1. Absorption v,�dtfi equais absorption ra6o times rock laye�width <br /> 2.00 x 10.0 ft = 20.0 ft <br /> G. MOUND SLOPE WIDTH&LENGTH(Greater than 196i <br /> 1. Downslope absap6on width=absorption width minus rock layer width <br /> 20.0 feet - 10.0 feet= 10.0 ft <br /> 2. Calculate mound s¢e <br /> UPSLOPE <br /> a.Depth of clean sand at upsfope edge of rack layer=3 feet minus�stance fo restricting layer(C1) <br /> 3.0 ft - 1.2 ft= 1.8 ft <br /> b.Mound height at the upslope edge of rock layer=depth of clean sand for separation(G2a) <br /> at upslope edge plus depth of rock layer(1 foot)to depth of cover{1 foot) <br /> 1.8 ft+1ft+1 ft= 3.8 ft <br /> c.Upslope be�m multiplier based on land slope(see figure D-34) <br /> Selected betm multip6er: 2.03 <br /> d.Upslope width=be�m multiplier(G2c}t�nes upslope mound height(G2b): <br /> 2.03 x 3.8 ft = 7.8 ft <br /> DOWNSLOPE <br /> e.Drop in elevation=rock laye.r width(D2)times percent landslope{C�!100 <br /> 10.0 ft x 23.0 °/a I 100= 2.3 ft <br /> f.Downslope mound height=depth of clean sand for slope difference(G2e) <br /> at downslope rock edge plus the mound height at the upstope edge of rock laye,�{2b) <br /> 2.3 ft + 3.8 ft= 6.1 ft <br /> g.Downslope berm mul6plier based on percent land sbpe(see Figure D-34J <br /> Selected berm multiplier. 8.93 <br /> h_Downslope width=downslope multiptier{G2g)times downslope mound height(G2� <br /> 8.93 x 6.1 = 54.5 ft <br /> i.Select�eater of G1 and G2h as the cbwnslope width 54.5 ft <br /> j.Total mound width is the sum of upslope(G2d}widtl�plus rocic layer width(Q2)plus dovrmslope width(G2) <br /> 7.8 ft+ 10.0 ft+ 54.5 ft= 72.3 ft <br /> k.Total mound lengtfi is the sum of upslope width(G2cn plus rock layer length(D3)plus upslope widtfi(G2� <br /> 7.8 ft + 25.0 ft+ 7.8 ft= 40.6 ft <br /> slope>1%) x <br /> 1 hereby certify that all waic has been canpleted in accordance with all�pl�cable ordinances,rules&laws. <br /> (signature) ��( (license#) ��date) <br /> Page2of6 <br />