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' G.� DOWNSLOPE I��WIDTH 1. If landslope is�6 �aiore,subtract rock layer width from adsorption width to obtain minimum downslope dike toe ��.-Zft-�cLft =�_feet 2. Calculate Minimum mound size based on geometery: a. Determine depth of clean sand fill at upslope edge of rock layer: Separation >.D feet b. Multiply rock layer width by landslope � �oot co�.�: to deterinine drop in elevation; e'r oo c ao ea Slope Difference s.o"�"t�"° `..e �s�X��%-�- 100=_, s� feet Slop� Offterenee _ et Upslope W10t� c. Add depth of clean sand for separation (2a) -�-52-teet Rock BeG WIOtN at upslope edge,depth of rock layer(1 foot) to depth of _L�teet oow�:, De wldtn cover(1 foot) to find the mound height at the upslope edge ��eet of rock layer; /. o ft+ lft+ lft= 3,�7 feet d. Enter table with landslope and upslope dike ratio. Select dike multiplier of 3 .3 3 e. Multiply dike multiplier by upslope mound height to find upslope dike width: 3.o x 3,3� _� feet f. Add depth of clean sand for slope difference (2b) at downslope edge,to the mound height at the upslope edge of rock layer(2c) to find the downslope height; �.� ft+ .s ft = 3.S feet g. Enter table with landslope and downslope dike ratio. Select dike multiplier of S,o h. Multiply dike multiplier by downslope mound height to get downslope dike width: S,o x 3•S =�sS feet i. Compare the values of step G.1 and Step G.2h Select the greater of the two values as the downslope dike width; _ ,� �_ feet :<.:::,.:::;;�;::,.::.:.:;;... :.:.::.:.::..�.:::.....:::::::. .. :..:.::::..::::.:::.::::::::.:. .vric e:::::>�::>:»:>::::»:::::»:::>::;>::>:;;> .UDt10D L . ..:. - . � �:'�. •n;l�iiiiiiii:<::;:;<::i:ii..i : ��♦/t 'i:{';%.'•l�u'•:i:j?::ti•ti�'r,i:Siii?iii+iiiiiif:>;.�:^:::.:Yi�::>•::iY�.:iv:::�:'.�::.::; Total mound width is the sum of :.:,�.<.::�:::::.::.;<:.:.::;::::::,:.�::::�.::.;>::.::::::::..:.::.:::.::::.:::::<>; j• <::;{::;>:::>::»:.:.;:.v::.;:.::;.;>:.,;>:>Y:. .::>:..:::.:::::::::.�::.::.:::::.�:.:::.::::.�::..:.:... � :<:<f::: ,:;:..:.. .............. _ u slo dike (G.2e)width lus rock :,..F. ,� o w„t� P Pe P ;<:<:��;�::�ry... g �:<: �o,�� r::::::<::::;:::::::<::. .; layer width (D.2)plus o �o•�oo•'w�d�� "" �o•��:w�a�� J _(1Z t��t 11L teet .;,.:k:::>:<::, ; >:;:;:`;;:::<-:::;>�;::::::::>s;::;:a::>:::>:<:::>;:;::>:;>::<::>:<>::>::>::>:::<::<::;;>:::>::: 1 dike width G.2i • _ ::.:::�:::<:<;::.:::�t.<.��k:::.:x...:>.�:,:::>:..:::.:::::::::.::::.:::::::.::..:.::. downs o ( ), :.:,.�:::::<.::.... 0 .............. ::::::::. ................::.:::::;:«:::;< � ..S.h::.:}?i:•'•:<:.i:{•i:.i�:.ii:<L.i:.::::L.i:iv+::.i:.:::�::��:'� O :.....:..::.. � � ..y:�.�::.:::...:..w::::.i�nvv .n:. .:•iv::i.L.i.4:<>.:::�•:i.�L'F•i.i:::.:'ii::}}ii:tip'p:ii...::.....:::. ..:':x.:.:.::....:.:..y:.:y...:.;..................:.::::...:.: O � I ..:...:..:'::..>':.:::;:;.::n;.:'.:•..v�.:::y::y:.yy::::::;:n�<:i::. . . o ft+ ! ft+ ft feet .1._ �_ �� :::... ......,:.:::,;:..:.:..::.:.;:; ....... ...........,........ .......... ..... ... ;;::::»•:;:;::<:>:::::>•:::r::>:.;:>:;:>.:»:::;>:<:::>:.>::<::>;::>:;:::::>:;: < ::.;<:::•:::;;:<;::;:;:::<<:>:><;<:<:::>:::...... .. .... ...... . IC. Total mound length is the sum of 3� :z::<>:::;:;:::••;::::,nowns� os'w�aie ...:.:::::::.:::.:. � :..:::.:::::.:::.... iBlt � : :� r . 1 r la e ................ . :::..,.,;:::::::.;�:::.«:::;<:�::::;::<::;:.::.;:................... ..... u lo dike width G 2e us ock .:::;:>::»:>::<::;>;;:::>;<:.;::;<.;;:;:.;>::::::>::>:<.>�:>:;::.>::::<::<:>>:>�:�::::<:>:: , s ( ) ;;<::<:>:::::>.�:;:»::<::::;;::>>><:::««<�:::::<::;°:::>:;:::::::::<:::::::>::<::<:>::::::...:.:::::.:.;::..,...:.: ;:. > P Pe P Y ::: :;;.:<;;::: 'ke width G.2e • >: :.;>;::;>:.;:>: <>:>:<�<:::::>:>:::.. length (D.3)plus upslope di ( ), <::::.::::::::::;; :::::::::;:::;:::;: .:::....:::::::. �o ft+_,�,�ft+_/Qft = ZS feet ` ' _ . l� � + SS -�- 1 � �1 1 roiei unocn own ope ps ope a:i ai s:� �:i �:i 3:� a:� s:i si r.� e:i s roa 0 3A 4.0 S.0 60 7.0 3.0 4.0 5.0 60 7.0 8.0 1 3.09 1.17 S.Z6 6.38 753 291 3.85 4.76 5.66 6.S1 �.41 2 3.19 435 556 682 &14 2.83 3.7f1 45� 5.36 G14 6.90 3 330 154 5.86 732 8.86 275 357 435 S.OB 5.79 6A5 6 3A1 L76 625 7.89 9.T1 268 3.45 {.17 l8� SA6 6.06 � 353 �" 3.d0 ` i67 857 10.77 26l , '3.33' 4.00 �.62 5.19 5.71 6 366 5�6 7.14 93b 1207 25� 313 3.85 L�3 d.93 SAl 7 3�0 556 7.N➢ 1034 1373 266 3.12 3.70 133 L70 5.13 8 3.% 5.86 833 1154 15.91 242 3.a3 357 l05 4.�9 I.88 9 4.11 625 9A➢ 13.W 18.92 2.36 291 3.,15 3.90 l30 4b5 lp �29 6,67 IOA IS.OD 2333 L31 286 333 3.75 4.12 4A4 11 �A6 7.14 11.11 17.65 30.43 2.?b 278 3.29 3.61 3.95 47b 12 4.69 9.69 1250 21A3 4375 221 270 3.12 3.49 3.80 4A8