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_G. MOUND SLOPE WIDTH&LENGTH Landslope I% slope <br /> (Iandslope greater than 1%) I � " <br /> absorption width= absorption width(F) ¢';A ' - ,, 6 Topsoil <br /> 1. Downslope rP - °PS° <br /> minus rock layer width(D2) --• 4,� -•-•-•. <br /> /O ft= 5 ft °°'- "1 R.stn. - Layer <br /> ft U}k`P (4324' Ro..k Ni.1th 02) . <br /> 2. Calculate mound size <br /> UPSLOPE Mill <br /> a. Depth of clean sand fill at upslope edge of Ab,.Nt6yntiv5d .Swatte <br /> rock layer= 3 ft minus the distance to restricting layer (Cl) <br /> 3 ft- 2 ft= / p.34SLOPE MULTIPLIER TABLE <br /> ft <br /> b. Mound height at the upslope edge of rock manOWNSot�rn=SLOPE <br /> for <br /> layer = depth of dean sand for separation (G2a) Land UPSLOPE multipliers for various sIope ratiosEarioas <br /> at upslope edge plus depth of rock layer(1 ft) IV' slope ratios <br /> plus depth of cover (1 ft) 3:1 4:1 5:1 6:1 7:1 8:1 3:1 4:1 5:1 6:1 7:1 <br /> 0 3.0 4.0 5.0 62 7.0 8.0 3.0 4.0 5.0 6.0 7.0 <br /> f ft + lft+ lft= 3 ft <br /> 1 2.91 3.85 436 5.66 6.54 7.41 3.09 4.17 5.26 6.38 7S3 <br /> C. Upslope berm multiplier based on land slope 2 2.83 3� 4.54 5.36 6.14 6.90 3.19 4.35 5-56 6.82 8.14 <br /> .�,• ?3 (see figure D-34) 3 2.75 3.57 4.35' 5.08 5.79 6.45 3,30 4.54 5.88 732 ash <br /> d. Upslope width= berm multiplier(G2c) x 4 2.68 3.45 4.17 4.84 5.46 6.06 3.41 4.76 6.25 7.89 9.72 <br /> u slope mound height(G2b): 5 2.61 4.00 4.62 5.19 5.71 3.53 6.67 8.57 10.77 <br /> •33 X 3 ft = / ft _ <br /> 6 254 3.23 385 4.41 4.93 5.41 3.66 5.26 7.14 9.38 12.07 <br /> DOWNSLOPE 7 2.48 3.12 3.70 4.23 4.70 5.13 3.80 5.56 7.69 1034 13.73 <br /> e. Drop in elevation =rock layer width(D2) X 8 2.42 3.03 3.57 4.05 4.49 4.88 3.95 5.88 8.33 1154 15.91 <br /> percent landslo e (C5)� 100�j 9 2.36 2.94 3.45 3.90 4.30 4.65 4.11 6.25 9.09 13.04 18_92 <br /> 1 0 ft XJ 15°/0- 100 - , `e f t 10 2.31 2.86 333 3.75 4.12 4.44 4.29 6.67 10.00 15.00 23.33 <br /> f.Downslope mound height= depth of clean 11 226 2.78 3.23 3.61 3.95 4.26 4.48 7.14 11.11 17.65 30.43 <br /> 12 2.21 2.70 3.12 3.49 3.80 4.08 4.69 7.69 12.50 21.43 43.75 <br /> sand for slope difference (G2e) at downslope <br /> rock edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> 3 _ft+ .,mss _ft= 3•sift <br /> g. Downslope berm multiplier based on percent land slc <br /> 57. 6)0 (see figure D-34) <br /> h. Downslope width=downslope multiplier - t o Upskr}+e widtn(cfa) <br /> G2 times downslope mound height(G2f) Rock Bed Upsbpe fWidttr(CaZd) <br /> ( 5) x 3.55- ft= /1.1.5--ft tips- Width(G2d) Wft idth(D2) <br /> - lel <br /> i. Select the greater of G1 and G2h as the A <br /> " rpt,M utolre Width(G2i) l g ft <br /> downslope width:1/. -__15_____It Absorption drh(F)`s' <br /> j. Total mound width is the sum of upslope /0 't <br /> width(G2d)width plus rock layer width Total Length< ) �t <br /> (D2) plus downslope width(G2i) 3 g ` ft <br /> ft + __i e___ft+ • ?l ft= <br /> k. Total mound length is the sum of upslope width (G2d) <br /> plus rock layer length(D3)plus u slope width (G2d) <br /> /ft+ ft+ / ft= Meet <br /> Final Dimensions: <br /> 3W x <br /> 1p <br /> 1 • certify t I have completed this work in accordance with applicable ordinances, rules and laws. <br /> / 5'-s '/0 (date) <br /> 7 (signature) �`� (ham ) <br /> i <br />