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. •�\. <br /> . DOWNSLOPE DIICE WIDTH ' <br /> . If landslope is 39'0 or more,subtract rock layer width from . <br /> adsorption width to obtain minimum downslope dike toe � <br /> �_ft- /L, ft=_,LQ_ft <br /> . Calculate tnound height at edge of rock layer on downslope <br /> side; � <br /> a. Defiermine depth of clean sand fill at upslope edge of rock a•r••+�•••e•.•• <br /> layer: Se�aration �_feet `� P��` ���� <br /> b. MulHply rock layer width by landslope to determine drop -� , <br /> in elevation; Slope Dif jerence ..�.�.��..r. <br /> ,�o x�_°!o+ 100=_Z ft •A•�2• <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 /> �.� ft+ �. o ft+ .S" ft+ .S_ ft = 3 •7 ft <br /> d. Enter table on page E-18 with landslope and downslope <br /> dike rado. Select dike multiplier of s• 5� <br /> e. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: s's c- x z.� = a.0.G 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 /> a � feet ��.,...�� <br /> h. Calculate upslope dike width using upslope mound <br /> height and upslope dike multiplier from page E-18; 3�° 3.� <br /> �.��x ? =�ft up.�ao.«�w <br /> i. Total mound width is the sum of upslope dike width plus °0M11'°Pi°�` ' `'' <br /> rock layer width plus downslope dike width; <br /> _�ft +�Qft+�„�ft= � �ft <br /> 3. If landslope is 2.9 percent or less,basal width includes both the <br /> upslope and downslope dike widths. <br /> a. Calculate dowmslope dike width using steps G:�.a. <br /> � through G.2.f; feet . <br /> b. Calculate upslope dike width using upslope mound <br /> height and dike multiplier from Page E-18; . <br /> x ft= ft <br /> c. Add downslope dike width to upslope dike width to rock <br /> layer width <br /> ft+ ft+ ft= ft � <br /> E-18 <br /> �� �� <br /> �� �:� s� kt �:t a:� �:� s:� �.� �a �1 <br /> s <br /> 0� 7.0 �A 6A fA 7A �A lA SD iA fA �A <br /> t �A! �.17 5�6 �3! 7S1 2.91 �ls �.76 5.66 iS1 fA1 ' <br /> i �ar ��s s� �.a u� i.o aao �s� s3s �.0 s.ro <br /> a a�o �sr s.M �� �.K t�s �s� ��s s.os s.r �,as <br /> � ��t �n c�s �,o rst i.�e a�s �a� �.K s,�c �,o� <br /> s as� sao ��sr �s> >o.r� ts� aa� �Ao �.a sa� s.� <br /> � asc s�s �.0 �ae ��.o� ss� a� us u� �.n aa� <br /> � a�o asf �.a �ox �a.n :.�e �.0 a�o �z+ ��o a.» <br /> e a.+s s.ee �ao ns� �s.�� i� ��m as� �.a� ur w <br /> • �.0 i.�s +a �a,o� �an � �.w a�s �.+o ��o �ss <br /> io �.t� �a �o.o �sm n.0 � � �� �.� �.0 ��t <br /> � » �u �a� na> »ss �o.0 t�c z.» a.n �s> >as � <br /> � � uo � ,a a � • <br />