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( ' I 1( l\\'N',I < HT BFIUv1 w111111
<br />11 l.111d:,ln11(' 1s I'¼, or n1<n<',
<br />:,uht1.1, t 1,h k l.1vcr vvidth from .1<l:-,111it1<111 I\ 1dth
<br />t() nhL11n n11111mum downslop1· h1·1111 t,11·
<br />-Z..Q ft 10 ft= /0 fr('f
<br />2 ( ·akuLite Minimum mound S1/1·
<br />. 1 I >ctcrrn1ne depth of clean s;md fill .11
<br />upslnpe edge of rock layer
<br />_<--;q}arn/1011 3' -L-. ft=_\__ feel
<br />b Add depth of clean sand for sepa, .it inn (2a)
<br />at upslope edge, depth of rock laver (1 foot) to depth ol cover
<br />(1 foot) to find the mound height at the upslope edge of roc.l--!aver;
<br />_L ft + 1ft + 1ft = ~ feet
<br />c Enter table with landslope and upslope berm
<br />Lt.nutu4-•.J.A)·.£l. ~~~------·-----·~ ..
<br />--
<br />l\111l, \o\l1dth Ah~uptum \'\'1dth
<br />Upslope Width
<br />ratio. Select berm multiplier of _ __3._~~--
<br />d Multiply berm multiplier by upslope mound Upslop<' Width Upsiope Width
<br />height to find upslope berm width
<br />3-_x ~1:3 =':h:l__feet
<br />e. Multiply rock layer width by
<br />landslope to determine drop in elevation;
<br />( 0 x b % + 100 =~feet
<br />f. Add depth of clean sand for slope
<br />difference (2e)at d9yroslope edge, to
<br />the mound heigh(afthe upslope edge
<br />of rock layer (2b) to find the downslope height;
<br />3, 0 ft + {), 6 ft = __.l_:6.feet
<br />g. Enter table with laridslope !illd downslope berm ratio. Select
<br />'berm multiplier of 5 -U
<br />h. Multiply berm multiplier by downslope mound height to get
<br />downslope berm ,width:
<br />:$ , b x 2 .26 =/B~'o/ feet
<br />Downslope Width __
<br />Absorption Width __
<br />Total Length, __ _
<br />BERM SLOPE MULTIPLIERS
<br />i. Compare the values of step G. l /0
<br />and Step G.2h Ltf, °I DOWNSLOPE UPSLOPE
<br />Select the greater of the two values as the
<br />Land
<br />Slope,
<br />in%
<br />berm multipliers for various
<br />berm sloP<' ratios
<br />berm multipliers for -=-ious
<br />benn slope ratios
<br />dm-vnslope berm width; /8 •=f feet
<br />j Total mound width is the sum of
<br />upslope berm (G.2d)
<br />1---1---'3"-'-: l __ :4"-1.: l ___ _2):,.LJ _..2.6,_1__: I _-1..J.....+.2,.L-.:!a..!.._....,_,_,__ -""c..c' _ _.:7_,l_....,X.;_' · 17 7:1 3:1 4:1 ~-•
<br />0 3.0 .a .(1
<br />,,vidth plus rock layer width (D.2)
<br />pJus downslope berm ~i<;:i,~h(G~; 1 ~ ft + _I 0_ ft+ _/._t5_,f ft = . o feet
<br />k Total mound length is the surn of upslope
<br />berm width (G.2d) plus rock lavc-1 length (D 1) ,, •<><· •. :,,,
<br />3.09
<br />3 I'?
<br />no
<br />.l 4 I
<br />!/!/_t1r;;1:1p~~ri;; :11_(\ 7d),?/ !t-ei
<br />Final I1imensions:
<br />,33,f X V
<br />~.0 61)
<br />6.38
<br />6 87
<br />7.89
<br /><,<, ;n ,.:
<br />]' I ►,•
<br />! •.
<br />70
<br />7.53
<br />8.14
<br />8.86
<br />9 72
<br />10.77
<br />I~ 07
<br />J_i?"',
<br />t ". llj
<br />n:•1'
<br />l'., r~
<br />. ,, ..
<br />3.0 4.0
<br />2.91 3.85
<br />2.83 3.70
<br />2.75 3.57
<br />2.68 3.45
<br />2.61 3.33
<br />2.54 323
<br />2.4h 1 1:•
<br />7 :n \(JS
<br />! J(, ~ •1.:::.
<br />) ,I .:>;,
<br />.'{ ' }}
<br />i
<br />' --------------~-·-
<br />5.0
<br />4.7(,
<br />4 5<
<br />4 3~
<br />4. I 7
<br />4 00
<br />18'
<br />\ "/0
<br />➔ (i'
<br />) 4(,
<br />~ !9
<br />.'.;(J;
<br />~ ~•1 I
<br />~-(!
<br />7 41
<br />6 9()
<br />606
<br />5 71
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