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G.� DOWNSLOPE DIICE WIDTH <br /> 1. If landslope is 3% or 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 l,a feet <br /> b. Multiply rock layer width by landslope I feot Cov�r <br /> to determine drop in elevation; t reo: ao ea <br /> Slope Di�C)'�71Ce SeperaUon te�t , <br /> �X��"' _%�-1��_ � '- feet SIOD� Oltferencs��..._ et <br /> uDstope wlatn <br /> c. Add de th of dean sand for se aration (2a) �� teet <br /> P P Rock Bea w�atn <br /> at upslope edge,depth of rock layer(1 foot) to depth of �IL�eet Dow,n^sloDe W10t� <br /> cover(1 foot) to�find the mound height at the upslope edge -+-�-feet <br /> of rock layer; <br /> ,�L ft+ lft+ lft= 3.�- feet <br /> d. Enter table with landslope and upsl�e dike ratio. <br /> Select dike multiplier of 3.4 S <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3.2 x 3,W.�� _�_feet <br /> f. Add depth of dean 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•2 ft+ .�- _ft=�(�feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of y ,� (e . <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3•(� x 4.�� _�2 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 /> I � feet , <br /> -� � UDslo •NtOtn .�: <br /> j. Total mound width is the sum of �--�••� ` <br /> . ' th lus rock � »:»::>::::>::::::. <br /> :�: ,:: . <br /> .:; <br /> upslope dike (G 2e)wid p `'�' <br /> i . :> . .' Rocr e.y w,atn <:.:: <br /> ::: <br /> lD�1c.S�r..t �- <br /> layer width (D.2)plus o �05�00o w�o�� �o��oo•w�a�� <br /> downslope dike width(G.2i); 3 ---�L het _ �L reet <br /> � E ' <br /> _11_ft+�f _ft+�_ft= �.� feet � , <br /> k. Total mound length is the sum of � o°""�°"�°`° <br /> ree[ <br /> upslope dike width(G.2e)plus rock layer � : <br /> length(D.3)plus upslope dike width (G.2e); � � <br /> ILft+�ft+�ft= gQ_ feet � � ' ' <br /> I� � �s� -t 1� /o� <br /> 7otei�enqtn �Q� <br /> wn ope �ps ope <br /> 3:1 l•1 a:l &I i:l 3:3 4:1 5:1 61 7:1 8:1 <br /> �L abpe <br /> 0 3A l0 5.0 60 7.0 3.0 4.0 5.0 60 7.0 8.0 <br /> 1 3.09 117 �.2e e3S 753 291 3.8i dJ6 5.66 bS4 7.41 <br /> 2 3.19 43i 556 6.� S.SS 2.83 3.70 456 536 616 6.90 <br /> 3 330 1.�. _ �.88 i.32 &.8o LT � 63i �.OB a.79 6.1i <br /> �.___._ 3.d1 <<.76� 6.75_ . _ �.89 .,„ . .9.iZ ... _26d . . ... Gt l.l? L86 5.16 6.Q6 <br /> 5 353 5.00 667 S�� ]O.TI 261 3.33 4.00 6.62 5.19 5.'1 <br /> 6 3b6 S�b 7.11 938 1207 2.i4 3.73 3.8i i�l �.93 SAt <br /> 7 3J0 5�5 7.69 1034 1373 2d8 3.12 3.70 423 �.i0 5.13 <br /> 8 3.% 5.88 833 11.iC 15.97 242 3.Q! 357 l45 d.49 6B6 <br /> 9 �.Il 6.25 9.09 13.OG 18.92 2_io 29d 3.ii 3.90 d30 4bi <br /> 10 �29 60 10.0 15.00 2333 231 286 333 3.75 4.12 4.44 <br /> ]1 �AB 7•14 11.11 17.65 30.33 2?b 278 3J3 3.61 3.95 4?b <br /> 72 �b9 7.69 1:30 _i.33 63.7i 221 270 3.12 3.d9 3.80 4A8 <br />