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G. DOWNSLOPE D�WIDTH <br /> 1. If landslope is3���more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> ��.� ft-�ft = � feet <br /> 2. Calculate Minimum mound size based on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock <br /> layer: Separation I. � feet <br /> b. Multiply rock layer width by landslope � rooc co�.� <br /> to deternune drop in elevation; � roo� ao sa <br /> Slope Difference seperetton te�t <br /> �X�% y 100 -�_� feet s�o�s o�tterence _S�_ ei <br /> UDslope WiOt� <br /> c. Add de th of clean sand for se aration (2a) .�-� teet <br /> P P RocK eea wiatn <br /> at upslope edge,depth of rock layer (1 foot) to depth of �0 leet OownsloDe wiatn <br /> cover (1 foot) to find the mound height at the upslope edge �- �eet <br /> of rock layer; <br /> 1.3 ft + lft + lft=�.3 feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3.�.'� <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3.3 x 3,a� _ �_ 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•� ft + , �_ft = 3,�feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of �.� �- <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: S.�� x 3�'i = a 1_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 /> a. ) feet <br /> �UD510 9�'II�tII � <br /> j. Total mound width is the sum of =� �eet ; <br /> upslope dike (G.2e) width plus rock ROCK O�p W,a�� <br /> v i..rBe1 i���.r..i <br /> layer width (D.2) plus �os�000 W,a�� �o��ooe W�a�� <br /> downslope dike width(G.2i); 3 �`ee` <br /> �_ft+�ft + �_ft = �_ feet � � <br /> k. Total mound length is the sum of '�� ! ' °°�"�'°°°"'°`" ' <br /> �ea� <br /> upslope dike width (G.2e) plus rock layer <br /> length (D.3) plus upslope dike width (G.2e); � <br /> �� ft + � ft + t� ft = � feet <br /> ai Ss � � 9� �� <br /> TOtCI Lenpt� <br /> own ope ps ope <br /> 3:1 kl 5:1 &1 7:1 3:1 4:1 5:1 &1 7:7 8:1 <br /> 1G abpe <br /> 0 3.0 l.0 5.0 6.0 7.0 3.0 a.0 5.0 GO 7.0 8.0 <br /> I 3.09 t17 5.7b 638 753 291 3.&i 4.76 5.66 654 7.d1 <br /> 2 3.19 �35 556 682 8.1� 2.83 3.70 45� 536 G14 6.90 <br /> 3 330 l54 5.88 7.32 8.86 275 357 4.35 5.08 5.79 6.15 <br /> 6 3.t1 l76 625 7.89 9.T1 2.68 3.i5 �.17 1.86 5.{6 6.06 <br /> 5 353 5.00 669 8SI 10.T1 261 3.3� 4.00 4.62 5.19 5.77 <br /> .6 3.fb C 5.?b-�� _2.1�. . 938 1207 2S4 ��32i 3.g5 l41 6.93 S.0 <br /> 7 3�0 556 7.69 10.3�t 1373 268 3.12 3.70 d13 t.70 5.13 <br /> 8 3.95 5.88 833 1154 15.91 242 3.Q3 357 1.05 4.69 4B8 <br /> 9 411 6.25 9.09 13.01 18.92 2.36 296 3.45 3.90 d30 4.65 <br /> ]0 �29 6.67 t0.0 15.00 2333 231 286 333 3.75 6.12 4.64 <br /> 11 �.48 7.14 11.11 17b5 30.43 2.2b 278 323 3.61 3.95 416 <br /> 12 4b9 7.69 1250 21.63 43.75 221 270 3.12 3.49 3.80 d.OB <br />