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G. DOWNSLOPE BERM WIDTH S'°p"�'} �, c°""1� <br /> 1. If landslope is 1% or more, <br /> subtract rock layer width from adsorption width '�` <br /> r ' .,+� 4' � <br /> ; C Rocic 1 �` " <br /> to obtain m;nimum downslope berm toe a�s�,ar <br /> a L.? ft-�_,ft=�2_feet a�sou �°�v 6.Topsoil <br /> 2. Calculate Minimum mound Size <br /> a. Determine depth of clean sand fill at u���waa� Do��wia�n <br /> upslope edge of rock layer: w�� n�a�wd�, <br /> Separation 3' - � '+ ft= /. O feet � <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 /> ). 0 ft+ lft+ lft= 3.O feet c� ' <br /> . v . _ . <br /> c. Enter table with landslope and upslope berm �. :upsia�w�a�; � <br /> ratio. Select benn multiplier of �-o� ' �� �- . <br /> �U . ...WIQLtI .pQ�p 4s�?P.YQ.i ��� � �o.�aY�aA� :Upslope Width. ��,. <br /> d. Multiply berm multiplier by upslope mound , ' P� _4-.�•ay a� w,a�n �0 3�D a,�a; _� <br /> height to find upslope berm width: y� �o`°�a��'��,��:'����; • <br /> � ,�`� x '� ,0 =�-feet � :` r <br /> e. Multiply rock layer width by � � . ' <br /> landslo e to determine dro in elevation• �° �����o�vvacn a�= �' <br /> P P � At�so�aon wach%� <br /> J x � %= 100= . `� feet <br /> ; , .. , <br /> . <br /> f. Add depth of clean sand for slope .: ;' . .: . .``, � ., ;, <br /> difference (2e)at downslope edge,to �����'�� <br /> the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height; <br /> .o ft+�ft= 3.�d feet <br /> g. Enter table with landslope and downslope berm ratio. Select <br /> berm multiplier of �• �S� <br /> h. Multiply berm multiplier by downslope mound height to get <br /> downslope berm width: <br /> .-"�;��� x �.� _�_feet BERM SLOPE MULT'IPLIERS <br /> i. Compare the values of step G.1 �^ <br /> and Step G.2h a� �a nowxsi.orE UPSLOPE <br /> SI berm multlpliees tor fariau berm multlplias for rarfous <br /> Select the greater of the two values as the +o� ����a� �s�oa��� <br /> downslope berm width; ��_ feet <br /> j. Total mound width is the sum of • a• s� � � � a� s� • �:� : <br /> 0 3.0 4.0 5.0 6.0 '7.0 3.0 4.0 5.0 6.0 7.0 8.0 <br /> upslope berm (G.ZC�� t 3.09 4.17 5.26 6.38 7.53 2.9t 3.85 4.76 5.66 6.54 7.4t <br /> width plus rock layer width(D.2) 2 3.19 a.ss s.s6 e.ss s.ta Z.as s.�o a.sa 536 6.�a 6.90 <br /> plus downslope berm width(G.21�� 3 3.30 4.54 5.88 7.32 8.86 2.75 3.57 4.35 5.08 5.79 6.45 <br /> �_ft+1�ft+ a,'�. ft= �a I feet a s.at a.�6 b.zs �.s9 9.�� z.ba s.as a.i� a.sa s.a6 b.ob <br /> k. Total mound length is the sum of upslope 5 3.53 s.00 6.67 a.s� io.n 2.6i 3.33 a.00 a.6i s.i9 s.�i <br /> berm width(G.2d) plus rock layer length(D.3) 6 3.66 s.26 �.ia 9.38 iz.m 2.sa s.� 3.as a.ai 4.93 s.ai <br /> plus upslope berm width(G.ZCl�� 7 3.80 5.56 7.69 10.34 13.73 2.48 3.12 3.70 4.23 4.70 5.13 <br /> �� ft + y I �-F q ft= .�feet 8 3.95 �5:88� 8.33 11.54 15.91 2.42�. 3.03� 3.57 4.05 4.49 4.88 <br /> �- , �j � a_ �� . �f� 9 �.11 6.25 9.09 13.04 1892 236 2.94 3.45 3.90 4.30 4.65 <br /> 10 4.29 6.67 10.00 15.00 2333 231 ?.86 3.33 3.75 4.12 4.44 <br /> Final Dimensions. �1 4.48 7.14 ll.il 17.65 30.43 2.26 2.78 3.23 3.61 3.95 4.26 <br /> l2 4.69 7.69 1250 21.43 43.�5 2.21 2.70 3.12 3.49 3.80 4.08 <br /> �,..} � � X � ^a, f/-i'.i�'i:: , . <br />