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G.; DOWNSLOPE DIKE WIDTH • <br /> 1. If landslope is 3% or more, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe for <br /> ^ absorption: <br /> , 77/' ft - ) a ft = 1 C 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. Multiply rock layer width by landslope to determine drop ,r� •, <br /> in elevation; Slope Difference 1 <br /> 10 x 4 % * l00 = •y feet <br /> c. Add depth of clean sand.depth of clean sand for """' 1'� - ■* <br /> separation at upslope edge (2a) to depth of rock layer to "'hue' <br /> rock depth and the depth of cover to find the total mound <br /> height.at upslope edge cif rock layer; <br /> I. ft + 1 ft + 1 ft = >.�, feet <br /> d. Enter table on page bottom with landslope and upslope _ <br /> dike ratio. Select dike Multiplier of• ' 3 ,,,A <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike width: .o_ x .,--t.. = i i feet N E, (14 uJ 3.q V. 3.14 = 13-y <br /> f. Add the depth of slope difference(2b) to the upslope <br /> height to get the downslope height <br /> __Ia___+ •y , = 3 . L feet <br /> g. Enter table on page bottom with landslope and <br /> downslope dike ratio. <br /> Select dike multiplier of `t .9 <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3.c,. x 4.-7(_ = 1'7 feet sE Ls u0 4 3 ')'• 4/7 _..o.4) <br /> i. Compare the values of step G.1 and Step G.2.h. Select the <br /> greater of the two values as the downslope dike width; T,Ao >-1 . <br /> feet ▪�J: :r: :t: ••t:' :r. <br /> j. Total mound width is t e sum of upslope dike •• d:awaiti`'' '`' •• 'tip.iop�eoi;�ewiclii�•',• •'`' .:i'` <br /> ••t.•S.•t.• ••`• ▪ •r••:t•V•••:r•I.N •rlif':ft:!it•••'•t <br /> width plus rock layerwidth plus downslope ' `-%* ' ' ' '`•' J:::�:: . <br /> i idth; . .. . :: :":' <br /> V � ft+ i t ft + 1 ,ft = 3 feet uP.3O,.' Wat▪ : . . . ::• ti DIk. .'WW : <br /> T ' '' • � :::.tt:::u lili�:wide . <br /> •rr•rf;t,•r;•r;•t. • 'r:' :tir•:;•:%:i;:ti:r ;:tif:ti{~t:::::r:.,:•:• <br /> k. Total mound length is Jhe sum of upslope -....!:::...:•.,::•:•...::::•.,..:•.,..:•.,::......:y.: •`•' ▪ :r.:::::::: :::f ;::: :;: ••: <br /> tisk. WIa16 <br /> dike width plus rock layer length plus ..i.::::-.,::t-Ar:; • t: <br /> upslope dike width; •▪... .. r▪ •.::•. •.•.•.':`::` •..•.. <br /> ft + 1'. 1 ft+ IBJ ft = S_feet l._. Tad length <br /> uowns1op4 upslcl170 <br /> 3:1 4:1 5:1 &1 7:1 3:1 4:1 S:1 id 7:1 1:1 <br /> II <br /> 0 dope3. 4.0 3.0 60 7.0 3.0 4.0 3.0 60 7.0 40 <br /> 1 301 4.17 5.24 434 733 3M 315 4.74 564 LSI 7A1 • <br /> 2 3.10 4.35 5.54 442 4.14 263 3.70 4.54. 534 $14 4.10 <br /> 3 3.30 434 5.35 7.32 1116 2.75 347 4.35 5•011 5.79 4.45 <br /> 4 341 !1.14 _.__4.25 7.10 1072 liar <br /> .44 451 1.17 4.14 5.44 401 <br /> 5 3s, OD 4 0 4S7 10.77 2.it" - 4.0D 1.42 5.19 5.71 <br /> - 4 364 5.24 7.14 434 12.07 2.54 3.23 315 4.41 4.93 5.41 <br /> 7 310 334 7.4. 10.34 13.73 2.41 3.12 3.70 42, 4.70 5.13 <br /> 4 3.15 5.81 433 1134 15.91 2.42 3.01 33? 4.06 4.49 4J4 <br /> 9 431 625 1.09 13.04 14.92 2.34 2.94 3.43 3.90 4.30 466 • ' <br /> 10 429 447 10.0 ' 15.00 23.33 2.31 2.16 313 3.75 4.12 4.44 . <br /> 11 4.44 7.14 11.11 17.45 30.43 2.24 2.71 3.23 3.41 3.95 434 <br /> 12 460 7.40 1230 I143 43.75 2.21 270 3.12 3.49 3.40 4.01 <br />