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' � DOWNSLOPE DIKE WIDTH <br /> i. If landslope is 3%'0 or more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> �o ft-�ft =1�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 ��feet <br /> b. Muldply rock layer width by landslope � rao� co�.� <br /> 1 foot Ro •E <br /> to determine drop in elevation; <br /> Slope Difference S�Der�tlen ���•.� <br /> �x, •� %+ 100 = � feet SIoO• Ditt�neo• t <br /> uo iop wia�n <br /> c. Add de th of clean sand for se aration (2a) �Lr..� <br /> P p Rock,e�a wia�n <br /> at upslope edge,depth of rock layer(1 foot) to depth oE �L leet DowneloDt wial� <br /> cover(1 foot) to find the mound height at the upslope edge �''•" <br /> of rock layer; <br /> i9 <br /> �� 7 ft+ lft + lft=3,� feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of �, �/� <br /> e. Mulriply dike multiplier by upslope mound height <br /> to find upslope dike width:3.7 x 3.dS= /2'/z 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 d wnslope height; <br /> 3. � ft+�ft =�feet �4 1 <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of y 7 L <br /> h. Multiply dike multiplier by do lope mound he'ght <br /> to get downslope dike width. , x �� _,�feet l�/.S' <br /> i. Compare the values of step G.1 nd Step G.2h Select the <br /> greater of the two values as the downslope dike width; �� <br /> .S� feet <br /> �o��op w�a�� <br /> j. Total mound width is the sum of ��••� <br /> upslope dike (G.2e) width plus rock � ,�K ,M,,,� <br /> 16� <br /> layer width (D.2) plus ya o �os�oo ��a�� "" �,.�,p w�„� <br /> r��t i��i <br /> downslope dike width(G.ti); ; � <br /> � , <br /> / '2 ft+�ft +�Sft = Zfeet�� <br /> k. Total mound length is the sum of 00 ""°°•W'°`" ' <br /> , ��..� <br /> upslope dike width (G.2e) plus rock layer <br /> len h(D.3) plus upslope dike width (G.2e); � ��•� <br /> �ft+�5�ft + �ft = 7� feet <br /> �. _ P'� <br /> To�.��.�q�� <br /> owns ope ps ope <br /> a:i �i s:� si r> >� �:i s:i s:> >:i e:� <br /> x�� <br /> o ao �o s.o ao �.o �o �.o s.o �.o zo en <br /> 1 3D9 117 5.7b �3! 757 291 3.55 �.76 5.66 651 7.�1 <br /> 2 �.19 �.35 556 6.fl2 6.1� 2.� 7.70 lSl 5.36 i11 6.90 <br /> 3 330 l5/ 5.88 732 6.D6 2.75 J�� �.35 S.OB 5.79 6.15 <br /> { 3A1 l76 675 7.l9 9.T1 26S 3.15 �.17 �.61 5.16 6l16 <br /> S 357 S.� 467 E57 10.77 261 ].17 �.00 . �.61 5.19 577 <br /> 6 )E6 5.7b 7.1� 9JE 1207 2.51 ].Z7 3.55 �.�1 1.4J SAI <br /> 7 7d0 556 7.69 IOJ� 1J.7) 2.�b J.11 3.70 �1J �.70 5.13 <br /> ! ]% 5.!! !3l 115� 15.91 2.Q 1Q! 357 �.QS �.�9 IA6 <br /> 9 �.11 6.25 9.W 13.W 1e.92 2�6 294 3.15 3.90 {30 l65 <br /> 10 l29 �67 10.0 15.00 � ZJJJ 2l1 2.86 737 3.75 �.12 �M <br /> 11 �M 7.11 ]l.11 17.45 70A7 226 27S )1] ].61 7.95 {]6 <br /> 12 �b9 7.69 1250 21.13 U.)5 L2t 2.70 ).12 1.19 7.80 �.OE 64 <br />