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<br /> G. DOWNSLOPE BERM WIDTH .::.:����:`:;:;:.:':-�„�:�r�R«k i ��' :i:.`".r�;1,:+:::���;:';, '
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<br /> 1. If landslope is Less than 1/a . '���r°
<br /> :`����:�.� r:�,, � 6-To�il
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<br /> AbsorptiOn Width (F.4):�feet a��� '
<br /> 2. Calculate minimum mound size
<br /> a. Determine depth of clean sand fill at u�ia�wach �o�io�waw
<br /> upslope edge of rock layer: R�x watt, pbsorption Width
<br /> Separation:3' - l, ft= l.'� feet �° ��-r
<br /> b. Add depth of clean sand for separation (2a)
<br /> at upslope edge, depth of rock layer(1 foot) to depth of cover .
<br /> (1 foot) to find the mound height at the upslope edge of rock layer;
<br /> I.� ft+ lft+ lft= 3•� feet
<br /> c. Multiply upslope mound hei�ht by 4 to find upslope berm width:
<br /> 3, x 4 = .�,..�.feet �s� iS
<br /> d. Multiply rock layer width by landslope to determine drop in elevarion;
<br /> x %+100 = feet
<br /> e. Add depth of clean sand for slope difference (2d) at downslope edge,to
<br /> the mound height at the upslope edge of rock layer(2b) to find the downslope height;
<br /> - ft+ -- ft= feet
<br /> f. Multiply downslope mound height by 4 to get downslope berm width:
<br /> -- x 4 = �� feet
<br /> g. The width is the sum of upslope berm (G.2c) width plus rock layer width (D.2)
<br /> plusdownslope berm width(G.2�;
<br /> ft+ - ft+ ft= feet
<br /> Subtract the muumum width (G2.g) from the adsorption area (F.4) to find the additional
<br /> downslope area for adsorption
<br /> - ft- - ft = -- feet ,
<br /> j. Add the additional width (G2.g2) to the upslope(G2.c) and downsolpe width (G2.�
<br /> Upslope: — ft+ �- ft= � feet �
<br /> Downslope: r ft + �- ft= -��-- feet
<br /> Total width is the sum of upslope berm (G.2j1)width plus rock layer width (D.2) plus
<br /> downslope berm width(G.2j2);
<br /> 1 S ft+ 1�� ft+ I � ft= ,�feet
<br /> k. Total mound length is the sum of upslope berm width (G2.c)plus rock layer
<br /> length (D.3) plus upslope berm width (G2.c):
<br /> � � ft+ .�o ft+ �.� ft= �feet
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