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' .. ,� <br /> � G. �OWNSLOPE BERM WIDTH �'°��- �°"�'' <br /> 1. If landslope is 1% or more, ,. <br /> subtract rock layer width from adsorption width '' <br /> ��.' . �N,� .-. 4 • <br /> �� � �ROG�C 1 J <br /> to obtain m�n;mum downslope berm toe a�s�,a � + <br /> �d.�► ft-�ft=��feet an�so;i -�s�� E-- � 6,r��� <br /> s o s o�;_ <br /> 2. Calculate Minimum mound Size <br /> a. Determine depth of clean sand fill at U���wa�n �`"rdr� <br /> upslope edge of rock layer: o d� Absocpaon wdrh <br /> Separation 3' - i. 3 ft= J • � 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 /> l.� ft+'lft+ lft=�.?feet _ � '_ <br /> c. Enter table with landslope and upslope berm �. up��w�ac� <br /> ratio. Select berm multiplier of 3•�3 � ;, ��,�,, <br /> Upslope wdth �a..e'..�a��"i K� ?a.�aYQ,:a Ups� �dth <br /> d. Multiply berm multiplier by upslope mound � 11 .��� ��A�< w,arn o �4 Q�Q�,bw; _� <br /> height to find upslope berm width: ya : � ;: �o�d'- � �' d••a�'v��'^a; ` <br /> �4 � � � �r u . <br /> 3 .o S x 3.� _ / � feet 8� � " '" ' <br /> � ��.,• .� . :� � . 4. <br /> e. Multiply rock layer width by „ : `. � <br /> . �.. � .., <br /> landslope to determine drop in elevation; �° ' �����a� <br /> �c�x r %+ 100 = - � feet <br /> � _,: ,. ... <br /> ; ; <br /> .,:.:.: .: ; .:�.� : <br /> f. Add depth of clean sand for slope ro����Z <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 /> ; .� ft+ :5'� ft= y.2 feet <br /> g. Enter table with landslope and downslope berm ratio. Select <br /> berm multiplier of 5.o ' <br /> h. Multiply berm multiplier by downslope mound height to get <br /> downslope berm width: <br /> �_x '- .z = a ► feet B�si.orE Mvi.��s <br /> i. Compare the values of step G.1 1 '� <br /> and Step G.2h a 1 �d e��p�r�No� n�m� pa�°%.�� <br /> Select the greater of the two values as the �� ���htl� n�:��ti� <br /> downslope berm width; � 1 feet <br /> j. Total mound width is the sum of � � s� � � � � � � '� � <br /> upslope berm (G.2d) 0 3.o a.o s.o 6.0 �.o s.o a.o s.o b.o �.o s.o <br /> 1 3.09 4.17 5.26 6.38 7.53 2.91 3.85 4.76 5.66 6.54 7.4I <br /> width plus rock layer width (D.2� 2 3.t9 4.35 5.56 6.82 8.14 2.83 3.70 4.54 5.36 6.I4 6.90 <br /> plus downslope berm width(G.21�; 3 3.30 4.54 5.88 7.32 8.86 2.75 3.57 435 5.08 5.79 6.45 <br /> �_ft+�cZ ft+�_ft= -Z � feet 4 3.41 4.76 6.25 7.89 9.72 2.68 3.45 4.1� 4.84 5.46 6.06 <br /> iC. Total mound length is the sum of upslope 5 3.53 L5.�607 6.67 8.57 L0.77 2.61 3.33 4.00 4.62 5.19 5.71 <br /> berm width(G.2d) plus rock layer length(D.3) 6 3.66 s.26 �.ia 9.38 is.m Z.sa 3.� 3.ss a.ai 4.93 s.ai <br /> plus upslope berm width (G.ZC��; 7 3.80 5.56 7.69 10.34 13.73 2.48 3.12 3.70 4.23 4.70 5.13 <br /> 1 I ft + SS ft+�_ft= �� feet $ 3.95 s.ss 8.33 ii.sa is.9i Z.az �3;os�� s.s� a.os a.a9 a.sa <br /> a � „C S � � �j� 9 4.11 6.25 9.09 13.04 18.92 236 2.94 3.45 3.90 4.30 4.65 <br /> !0 4.29 6.67 10.00 15.00 2333 2.31 2.86 333 3.75 4.t2 4.44 <br /> Fina1 Dunensions. 11 4.48 7.14 ll.11 17.65 30.43 2.26 2.78 3.23 3.61 3.95 4.26 <br /> 12 4.69 7.69 1230 21.43 43.75 2.21 2.70 3.12 3.49 3.80 4.08 <br /> ya X �� AJ�= <br />