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G. MOUND SLOPE WIDTH & LENGTH Landslope > 1% slope <br /> (landslope greater than 1%) <br /> 1. Downslope absorption width= absorption width (F) �� ' r <br /> minus rock layer width (D2) s "t t r,, <br /> -� ..�. ?tt t� t‘,N lean Sandi(Qft l , a�:0: t 6 Topsoil <br /> 14,09 ft- l0 ft= ) ft .. tx .,, .,::.. ,. ,t t } . - , <br /> Separation�r t' ft ..<<�u'.,� 1 ,��t,C.,.... ......�.. <br /> Upalo Width <br /> 2. Calculate mound size a(G2d) moc.I__.711 th�tp2) nawe�wwth(G2q <br /> UPSLOPE .. <br /> a <br /> a. Depth of clean sand fill at upslope edge of <br /> rock layer = 3 ft minus the distance to restricting layer (C1) VAbso'piC- .''-s"'d`F' <br /> 3ft- a'-r ft= /.0 ft �'s� r3�.' <br /> b. Mound height at the upslope edge of rock D-34: SLOPE MULTIPLIER TABLE <br /> layer = depth of clean sand for separation (G2a) Land UPSLOPE <br /> at upslope edge plus depth of rock layer (1 ft) i lope, multipliers for various DOWNSLOPE <br /> slope ratios multipliers for various <br /> 3:1 <br /> plus depth of cover (1 ft) slope ratios <br /> 4:] 5:1 6:1 7:1 8:1 3:1 4:1 5:1 6:1 7:1 <br /> 1.o ft+ lft+ 1ft= 3.0 ft 0 3.0 4.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 <br /> c. Upslope berm multiplier based on land slope 1 2.91 3.85 4.76 5.66 6.54 7.41 3.09 4.17 5.26 6.38 7.53 <br /> •ci b (see figure D-34) 2 2.83 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 <br /> 2.75 3.57 4.35 5.08 5.79 6.45 3.30 4.54 5.88 7.32 8.86 <br /> d. Upslope width = berm multiplier (G2c) times 3 <br /> 4 2.68 3.45 4.17 4.84 5.46 6.06 3.41 4.76 6.25 7.89 g,72 <br /> upslope mound height (G2b): <br /> , �, x 3. ft = q ft 5 2.61 3.33 4.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 <br /> DOWNSLOPE 6 2.54 3.23 3.85 4.41 4.93 5.41 3.66 5.26 7.14 9.38 12.07 <br /> 7 2.48 3.12 3.70 4.23 4.70 5.13 3.80 5.56 7.69 10.34 13.73 <br /> e. Drop in elevation = rock layer width (D2) times 8 2.42 3.03 3.57 4.05 4.49 4.88 3.95 5.88 8.33 11.54 15.91 <br /> percent landslope (C5) = 100 9 2.36 2.94 3.45 3.90 4.30 4.65 4.11 6.25 9.09 13.04 18.92 <br /> 10 ft x /0 (Yo= 100= 1.0 ft 10_221. 1i) 3.33__3.75_292 _4.44_ 4.29 6.6 10.00 15.00 23.33 __ <br /> f. Downslope mound height= depth of clean 11 2.26 2.78 3.23 3.61 3.95 4.26 4.48 7.14 11.11 17.65 30.4° <br /> sand for slope difference (G2e) at downslope 12 2.21 2.70 3.12 3.49 3.80 4.08 4.69 7.69 12.50 21.43 43.75 <br /> rock edge plus the mound height at the <br /> upslope edge of rock layer (G2b) <br /> 3-o ft+ 1.0 ft= 4.0 ft <br /> g. Downslope berm multiplier based on percent land slop <br /> Int tor) (see figure D-34) - 0 31 <br /> h: Downslope width = downslope multiplier - 9t " �� <br /> Upslope <br /> (G2g) times downslope mound height(G2f) 4� �;dth(G ft <br /> �•1/r) x 4.o ft= a' ft Up Tope Width(G2d) Rock Bed / <br /> Width(D2) /0 U slope Width(G2d) <br /> i. Select the greater of G1 and G2h as the i _ �, Length(D3) ss I. <br /> ft <br /> downslope width: a 0 ft <br /> F- Downslope Width(G21) 2I) ft <br /> j. Total mound width is the sum of upslope Absorption Width(F) 1 r) <br /> width (G2d) width plus rock layer width N----..."_„. <br /> (D2)plus downslope width (G2i) <br /> cl ft+ /0 ft+ a.') ft = L/to ft Total Length(G2k) l o 'J l ft <br /> k. Total mound length is the sum of upslope width (G2d) <br /> plus rock layer length (D3) plus upslope width (G2d) <br /> 91 ft+ 56 ft+ % ft= 13 feet <br /> al -►- SA' -r <-57-5- ) cm <br /> Final Dimensions: <br /> 9-lo X '7/1 AUS. <br /> I hereby certify that I have mpleted this work in accordance with applicable ordinances, rules and laws. <br /> ''''&---..-..9, --"-----._._ <br /> (signature) 3 9 (license#) Li. -242 -C9*j (date) <br />