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' G. 170WNSLOPE BERM WIDTH s'°�:- c�"°`1' <br /> 1. If landslope is 1% or more, <br /> subtract rock layer width from adsorption width , .` v�� �«-� 4�,.,�• �;, <br /> x�x� , <br /> to Obt3iil minim� dOwILSIOPe berm toe .: c��s�d►.�' �: <br /> 2�.: ft- lo ft=_.,,�.Z feet a�s� �70 6:r��'' <br /> 2. Calculate Minimum mound Size <br /> a. Determine depth of clean sand fill at U�i�twa� no�w,a� <br /> upslope edge of rock layer: �o d� A on Width <br /> S e paration 3' - /• ��ft = 1• 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 /> �ft+'lft+ lft=�-��feet _ ��}'- <br /> c. Enter table with landslope and upslope berm : :. ' <: :uP,_�,acn <br /> ratio. Select berm multiplier of 3.,�Z•- :. ` ,�, ;. <br /> .0 sl wdth ?0 4e�4��'e"s Rock Bed r �4.�4wCaa� Upslo�e W►dth •:, <br /> d. Multiply berm multiplier by upslope mound :�� �����am� wa�n o ��-��-��x«� <br /> , , a�,� �,�.����Y6� � <br /> height to find upslope berm vvidth: �oi°�.'��• �., '�"' ��.'a�"o�x�; <br /> 3.�zx 3•j =_1L feet � � � � � . f � } r <br /> � .., �- �..: ����. �-. � . r � � <br /> e. Multiply rock layer width by A : , .:,. : <br /> landslo e to determine dro ut elevation; H : n��o�w�a a�'" <br /> P P � �Ra�w��� <br /> �x_.�.%+100= ,�1 feet ;� : . <br /> ., . . : <br /> ..: :. �:: , ,�: ; <br /> f. Add depth of clean sand for slope �� �� �� � � "� <br /> difference (2e)at downslope edge,to T���"�`�'- <br /> the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height; <br /> �,�� ft+ '� ft= �- -`�t-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 /> S.�G� x�_ �� feet s�sLorE Mvc.�xs <br /> i. Compare the values of step G.1 17 <br /> and Step G.2h �3 �•+ nowxsLorE ursc.orE <br /> Slo eerm mrntn�ias ror.uionc eam mdnpuers ror.�arious <br /> Select the greater of the two values as the +�� ����n« ������ <br /> downslope berm width; a'� feet <br /> . . S. . . . . . . �. . <br /> j. Total mound width is the sum of o 3.o a.o s.o a.o �.o s.o a.o s.o 6.0 �.o a.o <br /> upslope berm(G.ZC�� 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 3.70 4.54 536 6.14 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 S.O8 5.79 6.45 <br /> �,L._ft+ lo ft+ a� ft= �u feet a 3.ai a.�6 b.0 �.s9 9.n z.6s 3.as a.i� a.sa s.ab b.o6 <br /> k. Total motutd length is the sum of upslope s s.s3 s.00 6.67 s.s� io.r� 2.6i 3.33 a.00 a.6i s.is s.�i <br /> berm width(G.2d) plus rock layer length(D.3) 6 3.� ss6 �.ia 9.38 is.m z.sa s.� s.as a.ai 4.93 s.ai <br /> plus upslope berm width (G.ZCl�; 7 3.80 SS.56 �.69 ]0.34 13.73 2.48`_3.12 ' 3.70 4.23 4.70 5.13 <br /> �{t-� (o'Z._ �{ ♦ �� 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 /> �'� -�- G,z -j- a� /U�,/ 9 4.11 6.25 9.09 13.04 18.92 2.36 2.94 3.45 3.90 4.30 4.65 <br /> 10 4.29 6.67 10.00 15.00 2333 2.31 2.86 3.33 3.75 4.12 4.44 <br /> Final Dimensions. ll 4.48 7.14 ll.11 17.63 30.43 2.26 2.78 3.23 3.61 3.95 4.26 <br /> 12 4.69 7.69 12.50 21.43 43.75 2.21 2.70 3.12 3.49 3.80 4.08 <br /> L�c.`� X "I L '1.}'�. <br />