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G. DOWNSLOPE !�WIDTH • 1. If landslope iso d more,subtract rock layer width from adsorption width to obtain minimum downslope dike toe �c ) ft- Jo ft = 1 feet 2. Calculate Minimum-mound size based on geometery: a. Determine depth of clean sand fill at upslope edge of rock layer: Separation 1.a, feet b. Multiply rock layer width by landslope , I rent cover to determine drop in elevation; t toot•Ro .ed Slope Difference sspsrstioo .L feet /C� X `f %1100 = , feet Slope Difference _� et Upslope WIMP C. Add depth of clean sand for separation (2a) �L-feet P P Rock sed Width at upslope edge,depth of rock layer(1 foot) to depth of to rest Downslope Width cover(1 foot) to find the mound height at the upslope edge -1-2_feet of rock layer; 1... . ft+ lft+ lft= 3. . feet d. Enter table with landslope and upslope dike ratio. Select dike multiplier of 3.4 S . e. Multiply dike multiplier by upslope mound height to find upslope dike width: 2,4S x 3.-), = t) feet f. Add depth of clean sand for slope difference (2b) at downslope edge, to the mound height at the upslope edge of rock layer (2c) to find the downslope height; 3,1_ ft+ . 9 ft= 3,to feet g. Enter table with landslope and downslope dike ratio. Select dike multiplier of 4.ri c. . h. Multiply dike multiplier by downslope mound height to get downslope dike width: 14.i x 3,L = ► feet i. Compare the values of step G.1 and Step G.2h Select the greater of the two values as the downslope dike width; - L3 7> feet •::.st: D D .vh•. .•,is ii:5i:}:%:}�'3#:�<Siii::SiiSiin:�'+.;:'r:7.: is<yi%%$i`:�i:�''%: Q 'rf'v�r :r:YYi'•4}:'::'<j:i.:.::i• Yi:;:yii4Yiv.:: _LL rest .;4f,:;i<;xt::a::.:: ::.,s4..t.•.:.iY:•::4:::::YYYS:: ;};>:::;:oY;: '. Total mound width is the sum o :.:..:�::`. ..................... upslope dike (G.2e) width plus rock ,......„4„:..,.. . .; f,;{w, . Y sp•:o�e.o•`Width iS .• •: . : •Y.i. < y: >�>;;:;: : •: . . . toc rest ' ' layer width (D.2)plus o uJ� -wfeleuttn ; ; uo�o•wfes tt n downslopedike width(G.2i); - 4#3% yati iiO � I�;, :OY YY:id y: :< Y :Y4f : ; ': 11 ft+ Joft+ 17ft - feet o 5ii : a . o:::.YY4 . :.::}} : .;:iiii::ii : : % : k Total moundlengthis thes0 ...... .. } :.; ` wn• o . 0 i"zt? > rest upslope ;,k....;,,..:::•.::4.• 44.,..:}4:::.•::x:.,..:<r..::...:;:iis':>:.::•::::v.::..::,:::.::<isi:: :::s:4:.;::ir:>:<i:::; •:`•:C.a:}}:<;4::•Y:.}R{4'�tr't:. ::.:4x<:::Y:;d:•>YYY:4::•5::4 Y::.>}::iY:z Y•::4:,:.YY:Y:}o}.;..ii:Y: dike width G.2e plus rock layer ...i:.:,:..::,�::::.:.�:::.:,.;':.}'.Y::...:.::::::..:::... •::.4:r::::Y•::::i:::x<:. ..;>..:.::ii ii:.::•:::::.Y::i,..:::'::iR;:i::is::iS::i::i:::i:.;;:5::::,;:Y: ligeggEraiilength (D.3)plus upslope dike width (G.2e); «.:4i::!•i:•Y:•:Y}:.};::.<;}: ::.� :.>. .:.:;:.}::.::.:.: . >:i: .;.<:. V .:4:•}:?•:•i:••Y:•}}i:•i:•ri•}:::•/:>::::}•::}:i:i:{:S:r}}:1YiiYi:v%•i::Sriii:4}::iYiii:::��:$' :ti>.:h:�i.y{:. ...Y.}:4:•:•Y:4:4:4i:L:4:}}'•:/x::•:::::::::;.}•::.i'.i'�:.i}i}i::::.;:.:'4fLniii}iii:C::4i: feet ............... ...... + ft <<: ft+ ft t (0 3 _ / + 1 'r" I / / J _ ;- Total Length Downslope Upslope 3:1 4:1 5:1 6:1 7:1 3:1 4:1 5:1 6:1 7:1 8:1 %dope 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 5.0 6.0 7.0 8D 1 3.09 4.17 5.26 6.38 7.53 2.91 3.85 4.76 5.66 6.54 7.41 2 3.19 4.35 5.56 6.82 8.14 2.83 3.70 454 5.36 6.14 6.90 3 528 732 8.86 275 357 43$ 5.08 5.79 6.15 3,41 l7C b J 7.89 9.72 168 G&4S.) 4.17 4.84 5.46 6.06 5 353 5.00 1.57 1027 2.61 3.33 4.00 4.62 5.19 571 6 3.66 5.26 7.14 9.38 12.07 254 321 3.85 4.41 4.93 5.41 7 3.30 5.56 7.69 10.34 1323 2.48 3.12 3.70 4.23 4.70 5.13 8 3.95 5.813 8.33 1154 15.91 2.42 3.03 357 4.05 4.49 428 9 4.11 6.25 9.09 13.04 18.92 236 2.94 3.45 3.90 4.30 4.65 10 419 667 10.0 15.00 23.33 2.31 2.86 333 3.75 4.12 4.44 11 4.48 7.14 11.11 17.65 30.43 226 2.78 313 3.61 3.95 4.26 12 4.69 7.69 1250 21.43 4375 221 2.70 3.12 3.49 310 4.08