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DOWNSLOPE DACE WIDTH <br />If landslope is 3% or more, subtract rock layer width from <br />adsorption width to obtain minimum downslope dike toe <br />Z4 ft-1t�,ft=14ft <br />Calculate mound height at edge of rock laver on downsloF:? <br />side; <br />Determine depth of dean sand fill at upslope edge of rock <br />layer: Separation Z feet <br />Multiply rock layer width by landslope to determine drop <br />in elevation; Slope Difference <br />—L�7 x�_%+100 ft <br />Add depth of clean sand depth of clean sand for <br />separation at downslope edge to depth of rock layer to <br />depth of soil backfill to get mound height at downslope <br />edge of rock layer; <br />Z ft + , 4- ft+eft+_ft ft <br />Enter table on page E-18 with landslope and downslope <br />dike ratio. Select dike multiplier of 14.7(v <br />Multiply dike multiplier by downslope mound height <br />to get downslope dike width. 7(. x 4..4 - 7/ ft <br />Compare the values of step G.1 and Step G.21 Select the <br />greater of the two values as the downslope dike width; <br />Z/ feet <br />Calculate upslope dike width using upslope mound <br />height and upslope dike multiplier from page E-18; <br />4!;-x I -L+-ft <br />Total mound width is the sum of upslope dike width plus <br />rock layer width plus downslope dike width; <br />ZIft+j I-_ft+_C ft= ft <br />a. <br />b. <br />C. <br />d <br />e. <br />8 <br />h <br />3. If landslope is 2.9 percent or less, basal width includes both the <br />upslope and downslope dike widths. <br />a. Calculate downslope dike width using steps G.2.a. <br />through G.21; feet <br />b. Calculate upslope dike width using upslope mound <br />height and dike multiplier from Page E-18; <br />x h = ft <br />c. Add downslope dike width to upslope dike width to rock <br />layer width <br />ft+ h+ ft= h <br />n IQ -- <br />E-20 <br />6v ..�....I.- ua <br />4 1p <br />itdw .F -,U <br />'il� <br />FA19 /i s'c r /4 t Iy = '76 <br />L1 <br />41 <br />!1 <br />♦I <br />- <br />71 <br />- <br />31 <br />41 <br />0pe <br />!.1 <br />•1 <br />h <br />I7 <br />.o,. <br />0 <br />ID <br />4D <br />f0 <br />4.0 <br />7D <br />717 <br />ID <br />111 <br />4D <br />)t <br />ID <br />lri <br />4D <br />fY <br />7D <br />W <br />ID <br />Tal <br />1 <br />7 <br />IDI <br />) It <br />417 <br />433 <br />IV <br />/31 <br />LN <br />In <br />Ill <br />1D <br />)N <br />)9 <br />4S1 <br />4Y <br />$1, <br />50 <br />U4 <br />fT <br />4.10 <br />W <br />1 <br />130 <br />)alp <br />434 <br />S.'. <br />LIS <br />711 <br />731171 <br />:314 <br />US <br />)Y <br />1La4 <br />U7 <br />any <br />&A!31 <br />L <br />Lza <br />I71 <br />-�' <br />)S) <br />fm <br />LU <br />3, <br />I.Y <br />16.'7 <br />17.07 <br />2I1 <br />234 <br />Ip <br />IM <br />4D) <br />IA <br />4.41 <br />OS <br />fal <br />a <br />7 <br />IY <br />]40 <br />f26 <br />134 <br />714 <br />7d <br />1634 <br />tin <br />240 <br />IU <br />in <br />LOla <br />423 <br />47C <br />4aI <br />fl] <br />/Y <br />1 <br />1 <br />IIf <br />f/ <br />473 <br />I11 <br />IDI <br />1134 <br />IIN <br />lift <br />1417 <br />147 <br />2Y <br />ID) <br />114 <br />faf <br />I10 <br />43D <br />4'1 <br />10 <br />411 <br />4:1 <br />4B <br />16D <br />"'Ir <br />D11 <br />111 <br />Ii <br />231 <br />In <br />I11 <br />)17 <br />I7S <br />)11 <br />112 <br />Is <br />4N <br />l74 <br />11 <br />11 <br />4aI <br />4N <br />714 <br />7M <br />1111 <br />1230 <br />17AS <br />I,lt <br />>04J <br />ult <br />271 <br />776 <br />In <br />349 <br />)SD <br />td <br />