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G. DOWNSLOPE DIKE WIDTH <br /> 1. If landslope is 2.9 % or less adsorption width inculdes both pslope and <br /> downslope widths <br /> 2. Calculate Minimum mound size bsaed on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of r ck layer: <br /> Separation Z.a S feet <br /> b. Multiply rock layer width by landslope -toot c.�.r <br /> to determine drop in elevation; _ C' ' foot R° 6' <br /> Slope Difference s.o6r ue -. r..t. <br /> x�%+100 = o oC feet s1op. Ofit•rene• =^�' et <br /> uoslooe veldt <br /> c. Add depth of clean sand for separation (2a) '= 'feet <br /> P P Rotk Bed Width <br /> at upslope edge,depth of rock layer(1 foot) to L feet Downslope Width <br /> depth of cover(1 foot) to find the mound height at the :rest <br /> upslope edge of rock layer;2. ;s ft+Ift+ Ift= S-d Slfe t <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3.70 <br /> e. Multiply dike multiplier by upslope mound height to fi d <br /> upslope dike width: .?:7 x�S- /-5,7 feet <br /> f. Add depth of clean sand for slope difference (2b) at do lope edge, to <br /> the mound height at the upslope edge of rock layer(20 t find the <br /> downslope height; . 2. ft+_:LR S-ft= y!%'Zeet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 5! 2 S <br /> h. Multiply dike multiplier by downslope mound height to get <br /> downslope dike width:_OSx JYL3Y= /?,/feet <br /> i. Minimum mound width is the sum of upslope dike widt i plus rock <br /> layer width plus downslope dike width; <br /> 9- - <br /> + y + <br /> ft ft /r� f - <br /> 5. t <br /> feet <br /> j. 1� <br /> slo a rile <br /> D <br /> t <br /> Subtract the minimum width 2i <br /> from the ` <br /> f ea t <br /> .`> <br /> adsorption area <br /> (F 4 tofin <br /> d the additional <br /> onal <br /> X. Roe:e.e wletn <br /> downslope area for adsorption v! UP5e � YUPS:I.:0:9:•.•• <br /> Mleln <br /> ,2 oft- --I' S- ft= meet 3 1 feet teat <br /> 0 <br /> additional - <br /> k Add thewidth <br /> 2.' <br /> to the <br /> e <br /> r <br /> downsolP a width and recalculate to <br /> :,".Downslope Wl <br /> e <br /> fes v{5' % <br /> the total width <br /> t <br /> f + f + ft _ <br /> t t <br /> -feet <br /> 1. To un <br /> tel mound length is the <br /> um of <br /> upslope dike width plus rock layer length <br /> plus upslope dike width: <br /> /`/ ft+ y5-ft+�ft= '73 feet T•�3 Length <br /> ^ <br /> Downslope O upslope <br /> 3:1 LI 5:1 6:1 7:1 3:1 4:1 5:1 6:1 7:1 8:1 <br /> !L elope <br /> 0 311 LO U 6.0 7.0 3.0 4.0 S.0 6.0 7.0 611 S26 638 lz 7M 191 4.76 5,66 <br /> 6.90 <br /> 330 435 SIAS 732 6.86 � 435 5.06 5796A5 <br /> 4 3A1 4.76 6.25 7.89 972 2.68 3.45 4.17 464 5.46 6.06 <br /> S 353 5.00 6.67 857 1077 2.61 317 4.00 4.62 5.19 S21 <br /> 6 366 S.26 7.14 938 1207 254 323 3SS 4.41 L93 SAI t <br /> 7 330 S56 7.69 1034 1373 248 3.12 3.70 4.23 1.70 533 <br /> 6 3.95 5.68 837 1154 15.91 142 3.03 357 4.05 4.49 4A <br /> 72 9 4.11 6.25 9.09 13.04 16.92 2.36 294 3.45 3.90 430 465 <br /> 10 429 6:67 10.0 IS.00 2333 231 286 333 375 4.12 4A4 <br /> 11 4A8 7.14 lilt 1765 30.43226 278 3.23 161. 195 426 <br /> 12 469 7.69 1250 21.43 4375 211 2.70 3.12 3.49 3.80 4118 <br />