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G. DOWNSLOI'E DIKL WIDTH <br /> � � 1. ,If�landslope is 3% or more, suUtract rock layer width from <br /> adsorption width lo obtain iniiiimum downslope dike toe for <br /> ' absorptiori: <br /> �Z ft -�� ft = /�� feet <br /> 2. Calculate minimum mound size based on geometery: <br /> a. Determine depth of clean sand fill at upslope edge of rock <br /> layer: SeE�aration /o� feet <br /> b. Multiply rock layer widtli by landslope to determiiie drop „o,,,�o�Q <br /> in elevation; Sln��c Di/�erer�cc ���a..� <br /> � x�_% -�- l0U = ,�;� feeE L-r��»R�«� <br /> c. Add depth of clean sand deptli of cleail sar�d for � ���'h •�k��,�p«,.�. <br /> Rnh d Wi�kA� <br /> separation at upslope edge (2a) to deptll of rock layer to ��, <br /> rock deptl� and tlle deptll of cover to fiild the total inouild �"�t`��'" <br /> �� <br /> height at upslope edge of rock layer; <br /> l.�ft + 1 ft + 1 fl =��feet <br /> d. Enter table on page bottom with landslope and upslope <br /> dike ratio. Select dike �tiultiplier of .���, <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike width: ,� S x 3.7 = �_feet <br /> f. Add the deptli of slope difference (2b) to the upslope <br /> height to get the downslope heigllt <br /> 3,5 + ,2 = 3 ? feet <br /> g. Enter table on page bottoin witll laiidslope and <br /> downslope dike ratio. <br /> Select dike multiplier of �/.� <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: /�l.?j x ��•r =�_ feet <br /> i. Compare the values of step G.1 and Step G.2.h. Select tlie <br /> greater of the two values as tlle downslope dike width; <br /> I�IJ�- �� feet ,.... <br /> �:..:::::::::::::�:':;:::::':�::�...:::�:�::;:::�:•:::��:�:��:�:'�:�:'�::�:';:':`:'�'�:�;:�:�:::::;,.:.,, <br /> j. Total mound width is the sum of u slo e dike Kak u�d wiairi �up5i��uk�wia�,�_' <br /> P P -�-��`�'::��: <br /> widlli plus rock layer width plus downslc�pe '��«�'�k�'���K���� .;:::.'::�;�:�:�..: <br /> dike widlh; ��� �"'�''`�' <br /> '��:�;::`:.:;:::�.•�.::.::..::::. : ;::�;.:: <br /> �_ ft + /U ft + �_ ft = yU feet Upslo�.UikeWld�l�__� �:�Ups�ope�vikeWidih�_ <br /> k. Total mound lengtll is the suni of u slo�e <br /> P � . <br /> dike width lus rock la er len th lu :�o�w�sio�="fi';'k�"w�aii;�'_�' ����� <br /> P Y 8 P S .�- ::�:��: <br /> u slo e dike width; <br /> P P <br /> /� ft + 3 u ft + /�_ ft = 5�_ feet �� .,Total.Leng�h•_.,.�6•. <br /> ��W►,S�� �s�>�,� <br /> 3:1 �:1 5:1 6:1 7:1 3:1 !:1 5:1 6:1 7:1 8:1 <br /> 7L slope• <br /> 0 3.0 4.0 5.0 6.0 7.0 3.0 4.0 5.0 6.0 7.0 8.0 <br /> 1 ��. 5.26 6.38 7.53 2.91 4.T6 5.66 6.54 7,41 <br /> R C 4 357� 5 56 6 B2 8.14 2.A3 3.70, d.54 5.36 G14 6.00 <br /> �`���30 51 S.BB ?33--6BG --'Z.i 5� 1.35 S.OB 5.79 6.45 <br /> 1 3.II �.76 6.15 7.89 9.72 2.68 3.4i 1.17 I.A4 5.46 6.06 <br /> 5 353 5.00 6.67 9.57 10.77 2.61 3.33 4.00 4.62 5.19 5.71 <br /> 6 3.66 S.M 7.�C 9.38 12.07 2.54 3.23 3.95 I.al 4.9J 5.41 <br /> 7 3.80 5.56 7.69 1034 13.73 2.18 3.12 3.70 4.27 d.70 5.13 <br /> 8 3.95 5.88 8.33 1154 15.91 2.42 3.Q1 3.57 0.(5 1.49 {.A9 <br /> 9 l.11 6.25 9.09 13.Od 18.92 2.36 2.94 3.45 3.90 4.30 d.65 <br /> 10 1.29 6.67 10.0 15.OU 2333 2.31 2.86 3.33 3.75 �.12 1.44 <br /> Il 4.�8 7.14 11.11 17.(5 30.IJ 2.26 2.78 3.73 .3.61 3.95 d.76 <br /> 12 Ib9 7.69 1250 21.43 /3.75 2.21 2.70 3.12 3.C9 3.80 I.CW <br />