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l�. �!UWN5LU1'L LJlhl. V��li��, 1 i <br /> 1. If landslope is 3% or more, subtract rock layer width from , �. � <br /> . adsorption width to obtain minimum downslope dike toe for <br /> absorption: ,� <br /> �.�•'1 ft -� D ft = J '] 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: Separation /, 0 feet <br /> b. Multiply rock layer �vidth by landslope to determine drop ,,,a,�,,,_ , <br /> in elevation; Slope Difference ,�.� <br /> � x �% -c- 100 = . S feet ��-� <br /> c. Add depth of clean sand depth of clean sand for "� " -���--�. - <br /> separation at upslope edge (2a) to depth of rock layer to �`°:W " <br /> rock depth and the depth of cover to find the total mound °°"'�°"''"'�" <br /> �, `_ <br /> height at upslope edge of rock layer; <br /> J. D ft + 1 ft + 1 ft = 3.0 feet <br /> d. Enter table on page bottom with landslope and upslope <br /> dike ratio. Select dike multiplier of 3 -3� <br /> e. Multiply dike multiplier by upslope mound height <br /> to get upslope dike�vidth: 3.d x 3.33 = /O feet <br /> f. Add the depth of slope difference (2b) to the upslope <br /> height to get the downslope height <br /> 3.0 + , S = 3,S feet <br /> g. Enter table on page bottom with landslope and <br /> downslope dike ratio. <br /> Select dike multiplier of S,o 0 <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: 3.S x ,oo =�� feet <br /> i. Compare the values of step G.1 and Step G.2.h. Select the <br /> greater of tlle t�ti�o values as the dowilslope dike �vidth; <br /> ! `� feet <br /> j. Total mound �vidth is the sum of upslape dike R« 'tscd�WidJ,�_%���� ��psiopeD�i«�rvidc��������;•�:,:�•:;;. <br /> ��•idth plus rock la}�er ���idth plus do�rn�lo�e ::�:�:•:•�`. ` '' '`''� �''''�'`�`�' �•:::�:•`::�:'��;�:: <br /> '•�' '' Koc licd l.ength _ �_� <br /> dike �vidtl�; ::�.::.���:;::�..-: ::�... .:: <br /> �D ft + 0 ft + 14� ft �� feet � 5i�> �o;ke.vVidih�� ..�..•.•••..'•, .....'•..'•�.'•..'•.Upslope�Dikewidih.� <br /> � - � P F'� �1�_ �rl�r <br /> k. Total mound length is the sum of u slo e <br /> P P <br /> �oo�:�;:iope.'a�fce`tv�dil,��J��'`::;: <br /> dike widtlt plus rock layer lengtll plus <br /> u slo e dike widt}�; <br /> P P <br /> - l a ft + G-`l - t r ` -��'- jt = _��_ feet � � ::�:.:�.�,::,.��,,��,-454.(-...... --r-� <br /> I � + � Y -t 1`� _ /o /o <br /> N ns upe ps o <br /> a:� �:� s:i ei r.� 3:i t:� s:� � �i �:� a:� <br /> s�io� <br /> 0 3.0 1.0 5.0 6.0 7.0 3.0 1.0 S.0 6.0 7.0 !.0 <br /> 1 ).09 1.17 5.26 6.3d �.53 2.91 •.oi 1.76 5.66 6.5/ 7.11 <br /> 2 3.19 /35 5.56 662 8.1/ 2.BJ 3.70 1.5� S.N 6.11 6.90 <br /> 3 330 /.5/ S.RB 7.32 S A6 2 r 3.57 1.3� 5.09 5.79 6.15 <br /> t 3.d1 t.i6 6.5 :.a9 9.72 2.55 3!,i 1.17 1.&1 5.46 6.Q6 <br /> 9 353 �.00� 6.�+? _� 6.:: _. . :0J7 .'.61, � �.00 l.f+2 S.19 5.71 <br /> 6-- - -- 3.66 .. . 5.26 7.1� 9.J8 ]2.07 �- -2..it�-- 7.21 3.di �.11 �.97 5.11 <br /> 7 3.80 5.56 7.69 tOJ� 13.73 �.t8 3.12 3.70 �.73 �.70 5.13 <br /> a 3.95 5.88 8.13 1151 15.91 2.Q 3.03 3S7 I.QS /.�9 I.B6 <br /> 9 1.11 6.25 9.09 13.Oi 18.92 2.36 2.91 3.15 3.90 �.30 1.6i <br /> 10 129 6.67 10.0 15.00 2333 2.31 2.86 3.33 3.75 �.12 1.14 <br /> 11 <.l6 7.1{ 11.11 17.65 7C.13 2.26 1.�8 3.I3 3.61 395 !16 <br /> 71 4.69 7.69 1250 21.13 <3.75 2.21 2.70 3.1I 3.49 3.80 1.p8 <br />