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: � : � . �o�os�D Eao <br /> . DOWNSL.OPE DIICE WIDTH . <br /> . If landslope is 396 or more,subtract rock layer width from • <br /> adsorption width fio obtain miniinum downslope dike toe • <br /> �s� ft- !o ft= .S� ft <br /> . . Calculate mound height at edge of rock layer on downslope <br /> side; <br /> a. Det�eradne depth of clean sand�ill at upslope edge of rock �•*�•••.-• <br /> layer: Separation I. 0 feet :: �� ... <br /> b. Multiply rock layer width by landslope to detertnine drop �— <br /> in elevation;Slope Dif�er�nu ;.••;�;r••e;�+�• <br /> � �,x_�96+100=�„ft . •�• <br /> c. Add de�pth of clean sand depth of clean sand for <br /> separation at downslope edge to depth of rock layer fio <br /> depth of soil backfill to get mound height at downslope <br /> edge of i�ock layer; <br /> l, L ft+ l.v ft+_,�ft+_�ft= 3. L ft • <br /> d. Enter table on page E-18 with landslope and downslope <br /> dike ratio. Select dike multiplier of �, Z �- <br /> e. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: _C.�L x 3,b.= 1 9 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 /> 1� feet �ti..�.w� <br /> h. Calculate upslope dike width using upslope mound �--� <br /> height and upslope dike mulHplier from page E-18; <br /> 3 •v x3��� /�_ft � u�.aa...ie�ew <br /> i. Total mound width is the sum of upslope dike width plus °s""''°�t°°� �' <br /> rock layer width plus downslope dike width; <br /> 11�ft+��ft+�_ft= �_ft <br /> 3. If landslope is 2.9 pereent or less,basal width includes both the <br /> upslope and downslope dike widths. <br /> a. Calculafie downslope dike width using steps G.2.a. <br /> through G.2f; 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 /> �a �a sa a ra � �a s:i a� �a a <br /> � <br /> 0 !A lA !A iA 7D fD v0 aA �.0 7A �A <br /> 1 7A1 �.17 8�i iJ1 7!� 2.l1 �� �Jii Si6 iJ� �A1 � . <br /> : aa+ � sss t.� u� z.w a�o �s� s3s u� �,�o <br /> � �ao �s� a�e »t �x vs as� us s.oe s.� �,as <br /> � � a,�� ur us �� �.st i.ee a,�s �a� �x sas �a <br /> s �s� am c.a � �aaf :si �st �m �.e sa+ s.n <br /> • u� s,c �a� ra� um � an a�s �.a �.+o a�� <br /> 'y aio as� s�w io�t ta� s.w �a: a�o �s� uo a.0 <br /> e �ss s� ea� »s� �an za a� asr aas � a�e <br /> r �ai �.a +ar i�,a uat � i� ��s �.+o uo us <br /> �o �ar �,o �ao �sao t�u t� tx a� a�s �.0 u� <br /> • . » �� �a� nai vis ao.a� � tn az+ �.a ass a,z� <br /> 12 �N N 1210 �q U7S 221 t10 7.12 fM �JO �AI <br />