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� T <br /> G. DOWNSLOPE BERM WIDTH 510��- c°"a'� <br /> 1. If landslope is 1% or more, _ . <br /> •.F�' I <br /> subtract rock layer width from adsorption width , ; * ` �x� 4m;,, :, <br /> to obtain minimum downslope berm toe .- a�s�,dl R°`'`1 ' ,; 1 I p+, <br /> a�.� ft-�_ft= ��feet a�s��'�7� 6.T�==r . <br /> 2. Calculate Minimum mound Size <br /> a. Determine depth of clean sand fill at U�' .Wd� ��l�qx�dth <br /> upslope edge of rock layer: ��^+id� Absorpaon wdth <br /> �ow`f�a �- � <br /> Separation 3' - �• � ft = 1,S feet � q - ' , <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 /> �•s� ft+'lft+ lft = 3•��feet �3 ' <br /> c. Enter table with landslope and upslope berm uPs��wa�n � <br /> ratio. Select berm multiplier of � , ��� � J-- �:� <br /> d. Multiply berm multiplier by upslope mound �UP�"''d�' � �°_�':�-�� R°w,`d'`�,�o '�:;°:�;:�e. ,Upslope�dth - <br /> ��i��'Q �� ��4��Qa'PQiD�� <br /> height to find upslope berm width: , y� �o;�:.'�R°��'� �--�."a�'��;�; ,�, <br /> �"'��x 3•� -_�feet �' � � i , '��' <br /> e. Multiply rock layer width by � : : � � . r <br /> . • F now�to wiasn -J�. ....' : �a,i r. <br /> l a n d s l o p e t o d e t e r m u i e d r o p i n e l e v a t�o n; ,. : a - <br /> Abeorption�dth i'1 <br /> /c� x�_%+ 100= ��_feet <br /> f. Add depth of clean sand for slope '" �� ��� " ; <br /> difference (2e)at downslope edge,to ro�l�,�rn �c�o <br /> the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height; <br /> 3.5� ft+ ,� ft= �•� feet <br /> g. Enter table with landslope and downslope berm ratio. Select <br /> berm multiplier of y�� � <br /> h. Multiply berm multiplier by downslope mound height to get <br /> downslope berm width: 5°`�'"�� '�p �� ' �'��`� `��`J�. <br /> �I.'7 V x 3•�i =�feet BERM SLOPE MU1.T�LIERS <br /> i. Compare the values of step G.1�Z <br /> and Step G.2h � �.�•a nowxsi.or� UPSLOPE <br /> Select the greater of the two values as the �� ���n�°� °�n�a����'� <br /> downslope berm width; / � feet <br /> j. Total mound width is the sum of ' ' s• � • � a� s• � '� � <br /> upslope berm (G.2d) o s.o a.o s.o 6.0 �.o s.o a.o s.o 6.0 �.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 7.41 <br /> width plus rock layer width (D.2� 2 3.19 4.35 5.56 6.82 8.14 2.83 3.�0 4.54 536 6.14 6.90 <br /> plug�iownslope berm width(G.2�)�,so�,,s`�, 3 3.�o a.sa s.ss �.ss s.sb s.�s 3.s� a.3s s.os s.�9 b.as <br /> �_ft+ /c� ft+�_ft= �• feet 1��w�+ a s.ai �a.�6� 6.2s �.89 9.n z.6s �3.as \'�a.t� a.8a s.a6 b.ob <br /> IC. Total mound length is the sum of upslope S 3.53 5.00 6.67 8.57 10.'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 7.ia 9.38 is.m s.sa 3.z� s.ss a.a� 4,93 s.ai <br /> plus upslope berm width(G.ZC��� � 3.80 5.36 7.69 ]034 13.73 2.48 3.12 3.70 4.23 4.70 5.13 <br /> �� ft +�,Z ft+�ft= _/o c� feet F�� $ 3.95 5.88 8.33 !1.54 t5.91 2.42 3.03 3.57 4.05 4.49 4.88 <br /> �2. �.. V-L .j.- � c, __ c7� �.J"�"C"C` 9 4.l 1 6.25 9.09 13.04 18.92 236 2.94 3.45 3.90 430 4.65 <br /> !0 4.29 6.67 10.00 15.00 2333 231 ?.86 3.33 3.75 4.12 4.44 <br /> Final Dimensions. 11 4.48 7.14 I1.11 17.65 30.43 2.26 2.78 3.23 3.61 3.95 4.26 <br /> l2 4.69 ').69 1250 2L43 43.75 2.21 2.70 3.12 3.49 3.80 4.08 <br /> �(lo � a J S. X l 7 �/��J�= <br />