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G�GU <br /> � . DOWNSLOPE DIICE WIDTH <br /> . If landslope is 3% or more,subtract rock layer width from � <br /> adsorption width to obtain minimum downslope di e toe <br /> i s ft- 1�_ft =_�_f t <br /> . Calculate mound height at edge of rock layer on do slope <br /> side; <br /> a. Determine depth of clean sand ffi1 at upslope ge of rock �•••*�•.•� <br /> layer: Separation �.o feet ��`' <br /> b. Multiply rock layer width by landslope to de 'ne drop - <br /> in elevation; Slope Difference ••••�••�•�••_•�•�* <br /> _,..._.- <br /> � v x��%+ 100=�_f t �_• <br /> c. Add depth of clean sand depth of clean sand f r <br /> separation at downslope edge to depth of r layer to <br /> depth of soil bacicfill to get mound height at d wnslope <br /> edge of'rock layer; <br /> l• (,o ft + l.0 ft+ .S ft+ , S�_ft = . ft <br /> d. Enter table on page E-18 with landslope and ownslope <br /> dike ratio. Select dike multiplier of <br /> e. Multiply dike muldplier by downslope moun height <br /> to get downslope dike width: s•�c�x 3, (� = ft <br /> g. Compare the�values of step G.1 and Step G.2. Select the <br /> greater of the two values as the downslope di e width; <br /> 1 � feet ���� <br /> h. Calculate upslope dike width using upslope ound <br /> height and upslope dike multiplier from pag E-18; � � <br /> 3. a X��-�.�ft uP.�am..we�cN <br /> i. Total mound width is the sum of upslope dik width plus °o"'"�°Ped�ew1dt c`, <br /> rock layer width plus downslope dike width; <br /> ��ft +_�ft +�_ft= 3�ft � <br /> 3. If landslope is 2.9 percent or less,basal width inclu both the <br /> upslope and downslope dike widths. <br /> a. Calculate downslope dike width using steps .2.a. <br /> through G.2.f; feet <br /> b. Calculate upslope dike width using upslope ound <br /> height and dike multiplier from Page E-18; <br /> x ft= ft <br /> c. Add downslope dike width to upslope dike 'dth to rock <br /> layer width <br /> ft+ ft + ft = ft <br /> E-18 <br /> �� �� <br /> �:1 �1 S1 6.1 7:1 �:1 �:1 S:1 6:1 73 {3 <br /> � <br /> 0 3A 1� SA �.0 7A �A �A SA iA 7A �A <br /> 1 �A1 1.17 S�6 6J! 7S3 2.91 3.55 �96 5.66 6S1 7A1 <br /> I 3.19 {36 S56 b.e2 l.1� 2a7 370 1S1 536 6.1� 6.90 <br /> 3 330 �S1 S.M 732 �J6 1.75 357 �35 SA! S79 i.lS <br /> � 3A1 �76 �]S 714 9J! 2.61 IA6 �.17 �.6� SA6 6A6 <br /> S 3S3 SAO [67 t57 IQTI 2.61 331 �.00 �.6t 519 S71 <br /> i 3.bf S.a6 7.1� 9J6 1207 2S1 31J 3� �A1 �.43 SAI <br /> 7 3J0 SS6 769 103� 13.73 2.b 3.12 �70 �.2i �.7'0 S.f3 <br /> 1 �.�5 SJS !17 1151 1S.f1 2A2 3.m �SJ �.� �.19 �.W <br /> 9 �.11 6.?5 9Di I�A1 1l.91 236 2.91 3�LS �.90 �30 �ES <br /> 10 {2! bb7 l0A IS.00 ?333 L11 2.l6 733 3.75 �12 �.{4 <br /> • Ii �M 7.1� 11.11 17.66 30.{3 2�6 2.7! 313 3b1 3.95 �26 <br /> 12 �.69 7.b9 1250 21A3 �315 i21 2.70 3.12 3A9 3.l0 4.Os <br />