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. G. DOWNSLOPE I��WIDTH <br /> 1. If landslope is�6 �aiore, subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> � 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: Separation �� feet <br /> b. Multiply rock layer width by landslope ' '°'` COY•� <br /> to detennine drop in elevation; ' `°°t R° °° <br /> Slope Difference S�peret�on � tut <br /> _�X � %y 100 =_� feet SIOD• Oliference _�_ ei <br /> UpsloDe WIOIn <br /> c. Add depth of clean sand for separation (2a) -�- �°e1 Rock eea w�atn �` <br /> at upslope edge,depth of rock layer (1 foot) to depth of ����� DownsloDe wta�n <br /> cover (1 foot) to find the mound height at the upslope edge �° 'ee` <br /> of rock layer; <br /> l.� ft + lft + lft = 3•s� feet <br /> d. Enter table with landslope and upslope dike ratio. <br /> Select dike multiplier of 3 .3� <br /> e. Multiply dike multiplier by upslope mound height <br /> to find upslope dike width: 3,3� x 3•� _ _L� feet <br /> f. Add depth of dean sand for slope difference (2b) at <br /> downslope edge, to the mound height at the upslope edge <br /> of rock layer (2c) to find the downslope height; <br /> 3,.5 ft+ . � ft = 4.0 feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of 5�-o <br /> h. Multiply dike multiplier by downslope mound height <br /> to get downslope dike width: �,� x s o = � feet <br /> i. Compare the values of step G.1 and St�p G.2h Select the <br /> greater of the two values as the downslope dike width; _ ry � �_ <br /> a� feet �o,�oo. ��a�� <br /> j. Total mound width is the sum of �- `°" `' i <br /> upslope dike (G.2e) width plus rock Rq�K o. w�,�� � <br /> layer width (D.2) plus e UDSIODa N10111 '"�"" UDcioDe w,o� <br /> I� t�el � 'eei <br /> downslope dike width(G.2i); a � �i <br /> ��ft + �_ft + ao ft = �� feet � , : ' <br /> k. Total mound length is the sum of �� oown�oa �vioin ' <br /> _� reat i <br /> upslope dike width (G.2e) plus rock layer � <br /> length (D.3) plus upslope dike width (G.2e); ; <br /> ��ft + ��d ft + i� ft = �� feet � <br /> �o + (,� -r a c� /o� - - <br /> Totei��nptn <br /> wn ope ps ope <br /> 3:1 Ll S:I 6:1 7:1 7:1 �:l 5:1 i] 7:1 d:1 <br /> x rope <br /> 0 3A 4A SA 40 7.0 3.0 4.0 S.0 60 7,0 e.0 <br /> 1 3A9 Ll� 526 638 753 291 3.85 4.76 5.66 65l �Al <br /> 2 3.19 l3S 556 6.l2 6.14 2.83 3.70 45� 536 6.)1 6.90 <br /> 3 330 4Sl S.C! 7.32 l.86 275 )S7 l35 5.06 5.79 6A5 <br /> 4 7A1 4.7� i25 7.l9 9.Tt 268 3.15 4.17 L81 5./6 6D6 <br /> 5 353 5.00 6.67 d37 lOT1 Z61 J33 4.00 �.62 5.19 S71 <br /> 6 3.66 S.lb 7.14 93A 12QJ 254 3.23 7.A5 L41 �.93 SAI <br /> � »0 556 9.6'9 1034 137� 24d 3.12 3.70 t2i 1.7D 5.13 <br /> E 3.95 Sl6 5.33 1154 15.91 242 l.Q! 3S7 �QS �.19 �dB <br /> 9 �.11 6.75 9.09 13.01 1l.92 i36 2P1 3.15 3.90 �30 t.65 <br /> 10 429 i67 l0A 15.00 21�7 2]I 2B6 33J ].75 �.12 t.0 <br /> 11 l.{8 714 11.11 17.65 30,/3 2.�6 2�6 327 7.61 ].95 �1b <br /> 12 1,69 7.69 1250 21.0 4375 221 270 3.12 1.t9 3.80 4.08 <br />