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' � t-'LU <br /> . DOWNSLOPE DIICE WIDTH , • <br /> ' . If landslope is 3% or more, subtract rock layer width from , . . ,• , .�, � <br /> . . � ..,�•?�� :���, <br /> � adsorpHon width to obtain minimum downslope dike toe ; , , , � <br /> • ft- ft = ft <br /> � . Calculate mound height at edge of rock layer on downslope <br /> side; . � . . , ,, , . . �� <br /> , a. Determine depth of clean sand fill at upslope edge of rock �.+�...� � � <br /> layer: Separation a.�.feet . <br /> b. Multiply rock layer width by landslope to determine drop �- <br /> in elevation; Slope Di�ference ...�..,�...,...x.�..a...�. <br /> .:�_x�_%+ 100 =�_ft . aa.,_�,.,�,K�r. , . .�. <br /> c. Add depth of clean sand depth of clean sand for <br /> separation at downslope edge to depth of rock layer to <br /> depth of soil backfill to get mound height at downslope <br /> edge of rock layer, � � � � <br /> a.�_ ft + �. 0 ft+ .'S ft+�ft = ti.z ft _ . � <br /> d. Enter table on page E-18 with landslop�and downslope <br /> dike ratio. Select dike multiplier of � �-+.�� <br /> , e. Multiply dike multiplier by downslope mound hei ht <br /> , to get downslope dike width: y.1 x��,'_�ft <br /> g. Compare the values of step G.1 and Step G.2.f. Select the <br /> greater of the two values as the downslope dike width; <br /> feet ��,�,wa,w� <br /> h. Calculate upslope dike width using upslope mound <br /> height and upslope dike multiplier hom page E-18; � � <br /> x = ft t�.�.ano.,rw�cw <br /> i. Total mound width is the sum of upslope dike width plus °oi""'°�'d�`"' ` `'' <br /> rock layer width plus downslope dike width; <br /> ft+ ft + ft= ft <br /> , <br /> � 3. If landslope is 2.9 percent or less,basal width includes both the . <br /> � upslope and downslope dike widths. <br /> a. Calculate downslope dike width using steps G.2.a. ' , <br /> ' through G.2.f; ��feet ' , <br /> , b. Calculate upslope dike width using upslope mound . <br /> height and dike muldplier from Page E-18; <br /> 4.o x � ,� ft =�_ft <br /> � c. Add downslope dike width to upslope dike width to rock <br /> layer width <br /> , � �ft+ �o ft+�ft = ��ft <br /> E-18 <br /> wns ope ps ope <br /> �:� �:t s:i c:i �:� r.� ta s:t �a pa ' �a <br /> � <br /> 0 � 7A �A SA fA fD 7A �A SA tA 7A /.0 • <br /> 1 7D1 �.17 526 �.3! 75� 2.v1 �16 �ai Sii L.f1 7A1 <br /> �a2 �.1� 2.47 �70 lS1 S36 �1� i.f0 <br /> 7 �]0 �SI SI� . S.7f i.�S <br /> � 3A1 l.7i i�5 !�9 1J2 2.f1 7.15 t.17 �.N fAi �4i _ <br /> S �51 . SAO �b7 157 10.T7 211 !J� IAD �.62 SJf !h <br /> � 7ii S�6 �.1� 931 1207 25� �3> >.!S !At �.q 6A1 <br /> � ! �.10 SS� 7.W 103/ 1�.77 2A! �.12 �.70 �27 !70 i.11 • <br /> ! �.95 S.lt �37 115� 15.�1 2A2 3.m �S7 �.Oi • �M tM <br /> 9 1.11 6�5 �A9 17A� 1l.92 2X 2�/ �.lS �.90 ��0 ��6 <br /> 10 �2� �b7 . 10A ]5.00 b31 ' 231 Li �3] �75 1.12 �M <br /> tl �A� td� I1.�1 1t.µ i�q »i ir �� OA1 71:1! �K . <br /> •+ 16� !In _ »Sfl� ?I al. . t17S. �7?) �AO „l.l� �Af �M) .���..��N.. � <br />