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,J'V�ji <br /> G. DOWNSLOPE DIKE WIDTH <br /> 1. If landslope is 3% or more,subtract rock layer width from <br /> adsorption width to obtain minimum downslope dike toe <br /> Sv ft- /a ft = i°C) 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 :3 ft-? _ /G feet <br /> b. Add depth of clean sand for separation(2a) �� t foot Cover <br /> CP <br /> at upslope edge, depth of rock layer(1 foot) a' i root , ea <br /> to depth of cover(1 foot) to find the Separation feet _''a `` :, <br /> mound height at the upslope edge of rock UPI Width slooe Oltference � c <br /> /.6 ft + 1ft + 1ft- 3,0 feet feet Rock Bed Width <br /> c. Enter table with landslope and u slo a dike ratio. _0-feet oownsiove width <br /> Select dike multiplier of • 7 6&a-feet <br /> d. Multiply dike multiplier by upslope mound_4e.ight <br /> to find upslope dike width:,7e x�_=3, ' <br /> feet <br /> e. Multiply rock layer width by landslopto determine drop <br /> in elevation; Slope Difference <br /> /_x // % + 100 =/// feet <br /> f. Add depth of clean sand for slope difference (2e) at <br /> downslope edge, to the mound height at the upslope edge <br /> of rock layer (2b) to find the downslope height, <br /> A/ ft+ 3.4y ft = 'Yl feet <br /> g. Enter table with landslope and downslope dike ratio. <br /> Select dike multiplier of ?- /-Y <br /> h. Multiply dike multiplier by downslope mound height(20 <br /> to get downslope dike width:'?,/ / x -,5V =aj feet <br /> i. Compare the values of step G.1 and Step G.2h Select the <br /> greater of the two values as the downslope dike width; <br /> feet 7 <br /> J• <br /> Total mound width is the sum of <br /> upslope dike (G.2e) width plus rock <br /> layer width (D.2) plusy...::., <br /> • '�~�y � Roar beo wlotn <br /> downslope dike width(G.20; a uo9looe wlatn <br /> ft+1�ft + '� C�ft = feet fQ°c fee <br /> .... .: <br /> k. Total mound length is the sum of ' ':.z <br /> <r.a:o:.v.gig;:;;.,;:, x.. .F>s:... a• <br /> '•'^.oa.'tDownslooe WIQCn:, <br /> upslope dike width (G.2e) plus rock layer feet s '' <br /> length(D.3)�ft <br /> upslope dike width (G-2e); <br /> ft+ + ft= �_feet � �{��•��� <br /> Al <br /> Total L@Ntm <br /> uownmope Ps oPe /d 3 <br /> 61 rt 3a1 4:1 . 3e1 111 71 0t <br /> 0 ',3A 40 3.0 6.0 , 7.0 3.0 4.0 to 6.0 ZO U <br /> 1 3.0 417 326 US 7d1 291 3.69 6.76 146 L54 " ?At <br /> 2 3.19 639 336 U2 e.14 to 3.70 6.56 336 6.16 6.90 <br /> 3 330 4S4 5.61 732 116 173 357 639 Los L79 da <br /> 4 3.41 476 am 7.0 9.72 261 149 4.17 4.16 1" 6.06 <br /> s 333 11.03 6.67 637 tan to 333 &W as s.» 11.71 <br /> 6 3A6 3.76 7.0 9.31 120! 334 3.33 3.09 44t l93 3AI <br /> 7 330 356 7.W 10.74 Un IY 113 3.70 433 4.70 3.13 <br /> 1 3." 5.69 1.10 1134 13.91 142 3.03 337 6.01 449 4A <br /> 4.11 6Sf 9.09 U.01 t1.92 236 1% 149 190 4.10 411 <br /> to 429 4SL IOA ISM 23M !31 3.33 173 4.12 4M <br /> T <br /> 4,V ! 11.11 17.011 30.4 378 3 D W 193 426 <br /> `� 6A9 7,N t250 21.4 41.73 221 , 1l2 10 x.40 8A1 <br />