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G. DOWNSLOPE D�WIDTH <br /> 1. If landslope is3'`����ore, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> ��.� ft-�ft =�_feet <br /> 2. Calculate Minunum mound size based on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock <br /> layer: Separation /. o feeE <br /> b. Multiply rock layer width by landslope � +oot co�.� <br /> to determine drop in elevation; t r o o c R o s o <br /> Slope Difference Seperetlon �� te�t <br /> 0 X S %y 100 = � feet s�ove ottterence _•s ec <br /> � _��. Upslope wlCtn <br /> c. Add de th of clean sand for se aration (2a) �-�eet <br /> p P Rock eea w�atn <br /> at upslope edge, depth of rock layer (1 foot) to depth of 1lZ leet DownsloDe wtatn <br /> cover (1 foot) to find the mound height at the upslope edge -� 'ee` <br /> of rock layer; <br /> /. o ft + lft + lft= 3.D feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3• 3 3 <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3,d x 3•3� _��D feet <br /> f. Add depth of clean sand for slope difference (2b) at <br /> downslope edge, to the mound height at the upslope edge <br /> of rock layer (2c) to find the downslope height; <br /> 3 •D ft+ . S ft = 3.J feet <br /> g. Enter table with landslope and downslope d.ike ratio. <br /> Select dike multiplier of S. O <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: S'o x�-� _ �i�feet <br /> i. Compare the values of step G.1 and Step G.2h Select the <br /> greater of the two values as the downslope dike width; �� <br /> ! � feet �os oR.w�a�� <br /> j. Total mound width is the sum of ` � faet <br /> upslope dike (G.2e) width plus rock �oFK o.a w�a�� � <br /> layer width (D.2)plus ` p� � �r�••` <br /> o unsi a wiatn uor`o�e wiotn <br /> downslope dike width(G.2i)� o € teet � reet <br /> � O ft + �ft + �_ ft = �_ feet � E' , ' ''� <br /> k. Total mound length is the sum of 3� DownsloDe Wltltn <br /> � rae� <br /> upslope dike width (G.2e) plus rock layer <br /> length (D.3) plus upslope dike width (G.2e); � <br /> /� ft + �_ft + /o ft = �_ feet ' <br /> 1 � S� / � - �1 <br /> 7otei �enptn <br /> own ope ps ope <br /> 3:1 L3 5:1 &1 7:1 3:l a:l 5:1 61 7:7 8:1 <br /> 1G abpt <br /> 0 3A LO 5.0 GO 7.0 3.0 4.0 5.0 60 7.0 8.0 <br /> 1 3A9 Ll7 5.26 638 753 291 3.85 <.76 5.66 654 7.41 <br /> 2 3.19 l35 556 6.82 8.16 2.&i 3.70 �S6 536 G14 6.90 <br /> 3 330 �.51 5.88 7.32 8.86 i75 3S7 4.35 5.08 5.79 6.15 <br /> 4 3A1 L76 6.75 7.89 9.TL 268 3A5 �.77 lel 5.46 6.06 <br /> 5 ;� 5,pp 667 857 10.77 261 333 4.00 4.62 5.19 571 <br /> 6 3.L6 52b 7.1� 938 1207 254 3.23 3.g5 L41 4.93 SA7 <br /> 7 3�0 556 7.69 1034 1373 Zd8 3.12 3.70 a2i �70 5.13 <br /> g ;g5 S,gg 833 115t 15.91 242 3.Q3 357 �.OS �.�9 4.88 <br /> 9 4.11 S25 9A9 t3.0� 18.92 7�6 2% 3.45 3.90 �30 4.65 <br /> 10 �29 6.67 l0A 15.00 2333 231 286 333 3.75 4.12 4A4 <br /> 11 4A8 7.14 11.11 17.65 30.43 2.26 278 3.73 3.61 3.95 4?b <br /> 12 4b9 7.69 ILSO 21.63 4375 2.21 270 3.12 3.49 3.80 4.08 <br />