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\J. LJU YV .l. '< .:i.1...v .i.-.c. U .U:--..C. Y Y u., ... .,_ .,_ <br />1. ·Iflandslope is 3% or more, subtract rock layer width from <br />adsorption width to obtain minimum downslope dike toe for <br />absorption: <br />12._ft-_fQ_ft= t; 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 ' l feet . <br />b. Multiply rock layer width by landslope to determine drop <br />in elevation; Slop__e Difference . <br />IO x.le_% + 100 = 6,(o feet <br />c. Add depth of clean sand depth of clean sand for <br />separation at upslope edge (2a) to depth of rock layer to <br />roc.1< depth and the depth of cover to find the total mound <br />height at upslope edge of rock layer; <br />_L ft + 1 ft + ·1 ft = 3 feet , <br />d. Enter table on page bottom with landslope and upslope <br />dike ratio. · Select dike multiplier of >, t'.2'5" . <br />e. Multiply dike multiplier by upslope mound height <br />to get upslope dike wid.th: 3: p-;,:;-x 3 = /'2-feet <br />f. Add the depth of slope difference (2b) to the upslope· <br />height to get the downslope height · <br />· 3 + o,Co .= "'3.<,o feet <br />g. Enter table on page bottom with landslope and <br />downslope dike ratio. <br />Select dike-multiplier of /. 1 4 <br />h. Multiply dike multiplier by downslope mound height · . <br />to get downslope dike width: 4, \4 x -3,lo = -Zep feet <br />i. Compare the valu~ ~f step G.1 and Step G.2.h. Select the <br />greater of the two values as the downslope dike width; <br />Joo~l,3'x \D:. l3eo <br />'J;t._ l-u< 1-z.4--1:'.--z_~ -z:t:Jz. <br />1 J411;< 2C.xl'24:-2--:. 58o3 <br />5,3~lo~\-t.~ ;9..t,;~ <br />-ZJ.,c; feet <br />j. Total mound width is the sum of upslope dike. _.:::.es~;2:::}i-~~~~~~?-;-~~;;;;~)ii~?~: <br />~idth ~lus roc.1< layer width plus downslope . :-:?:?~:·-: 13ecl Length__ ·:-:•:•:·:-:·:• <br />dike Wldth . . .. ·t·· -·· ·'!!· ·.: ... ~!'-, ·: .. :·. .·.:·.· . .:.-:.•:-.•:•:-t2-ft+ \ o ft+ W -ft -·4g· feet · ·-.-.:-:_.•; -;:-_.:::-. .-;:...-;::.-;:_.-;:..~=:..'-:::· • ..-.;:.--~:-::::::::·:·~:-..-i}~'~'~id~·.f:•:,: <br />k. Total mound length is the sum of upslope ups1opet);;~~~-~~:::•:::·.-:·,.:.-.-.;/: /ti/}fo_.-.::-.-;:-..-.=:-_.:::-_.•;::-:=:-_.-.:-.-.-·.:-.-.~=:·_-:: <br />· · d . · · ~ft=s~t=~~-rr~~~?;t: ~---Eili---wi·dff;·•--·-·--·-·--•.:.---r; <br />~ps~o; ~~I:~~: layer length plus :~;:~:i::/:;i:)~;i~~it{ ::;:/:~i~::~::i::/?::!::::~::~~/?\/' /17-ft+ · /00 1 ft+ /'2-ft=. t?fL: feet ·--·-:-.. •::--:::-.-;-...:::~·;:-.-.::-,.:-_..-_ .-.::-.-;:-.'.=:-,.=:-.-;:--:::-.-.::-.-.::-.-.::-.c.::-.-.::-.-.::-,.:· .. -···· <br />--_;:::i_ J,,t----~Totart.a,gm __ . <br />-J.Jownstope Upslope <br />3:1 ,·"'1 S:l 6:1 7:l 3:1 "'1 5:1 6:1 7-.l 1:1 ·-- <br />S.tlo~ <br />0 3.!J u s.a 6.0 7.!J 3.0 .c..a 5.0 6.0 7.!J a.a <br />1 U9 4.17 S.26 6.38 7.s:3 231 3.IS u, 5-'6 6.S4 7.41 <br />l l.19 cs 5.S& uz Ll4 :2..!3 ,3.,o 4.54 5.36 4J4 6.90 <br />3 3.JO <1.$4 .ua 7.32 U& :z.;s l.S7 4.35 5.01 5.79 us <br />' :!Al u, 6.25 7.89 9.7.Z :ua l.'5 4.17 U4 S.-16 &..c6 s , 3.53 s.m 6.lil &S1 1a:n 2.61 <br />_:_~---~ <br />U2 5.19 S.71 <br />' I U& 5.26 ~ 9.38 l2.D7 2.54 4.41 U3 S.41 <br />1 '. lJl0 -5.S4 11134 . 13.T.I 2.-15 3.l% . U3 4.70 SJ3 <br />' 3-SS-s..a &.l3 11.54 1.5.91 Tu l.Q3 l.S7 4..05 4,49, ua <br />' 4.11 6.25 us 13Jl4 1&.92 23' 2.!J4 us. l.90 4.JCI u.5 <br />10 .u, &.GI 10.!J 15.00 :tl.J3 2.31 2.&6 l.33 l.75 412 '""' 11 . ua _7.14, !Ul 17.&S JQ.43 U& :z.n 3..%3. 3.41 l.9S "-l6 <br />12 4.69 \~~) 12.SO 21.43 · ,&3.7S' 2.Il :uo l.12 l.'9 lJl0 ,U)II <br />. '