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G. DOWNSLOPE DIKE WIDTH , , q . 1. If landslope is 3% or more, subtract rock layer width from -3 3 adsorption width to obtain minimum downslope dike toe o7o ft- /o ft = /o► feet 2. Calculate Minimum mound size based on geometery: a. Determine depth of clean sand fill at upslope edge of rock layer: Separation : 3 ft- a_ _ / feet c b. Add depth of clean sand for separation (2a) 13I foot Cover Soo,, at upslope edge, depth of rock layer (1 foot) .-.-....-.....• I cot Ro Ped - / to depth of cover (1 foot) to find the separation -o feet mound height at the upslope � stops DItf a edge of rock --■ erence .t $ P PUos�ooe wlatn / ft + 1ft + 1ft = -3 feet _.L_feet Pock Bea width c. Enter table with laridslope and upslope dike ratio. _la_feet Downs) a van Select dike multiplier of 33 . /c feet d. Multiply dike multiplier by upslope mound height I - to find upslope dike width: 3.o x 3.33 = in. , feet I 77 e. Multiply rock layer width by landsiopto determine drop in elevation; Slope Difference to x S % + 100 = 0,- feet f. Add depth of dean sand for slope difference (2e) at downslope edge, to the mound height at the upslope edge of rock layer (2b) to find the downslope height; 0,5' ft +3,c) ft =-�.5 feet g. Enter table with landslope and downslope dike ratio. Select dike multiplier of s',a ci . h. Multiply dike multiplier by downslope mound height (2f) to get downslope dike width: . oo x3.S = /" feet i. Compare the values of step G.1 and Step G.2h Select the greater of the two values as_;lie downslope dike width; }- /g feet ' /<---- -75 4y -�1 j. Total mound width is the sum of --..--f w,at 4 t / < upslope dike (G.2e) width plus rock " rf. layer width (D.2) plus !Z4 , ........,...t...,:., .POCK BIG w1GU1 r !k downslope dike width(G.2i); ; u,21ps�sswiotr . .• . - !o •flet .••• 0011ocio wit;. 7 feet • •r • • • • • • �V.ref= to ft + /o ft + 1 1 ft = r feet �r 4 �""` 7 xh _f. K�OCro� /.5 `E s � � / 9<%%1 FBF � �F.w,F' /.'.Sfi89o'�+' > / k. Total mound length is the sum of ,� . . <r<...."::.�3, �,/; , t .Down31 ,WIOW y�04 r - upslope dike width (G.2e) plus rock layer < rfec <,< �� %y length (D.3) plus upslope dike width (G.2e), s > %`� °/ 24:10 /0 ft +__i_5__ ft + JO ft = 75 feet > , mss ,,, Y, ff f„� >� j . 4y) )gi 9 4- •Y (J f �� Total Long tri c7 j..0.-- D Lpslops 3:1 t1 5:1 41 7:1 all 4d M. vl 7:1 Id xlop. zi- 0 3.0 4.0 3.0 6.0 7.0 10 40 30 40 7.0 110 1 3.O 4.17 3.24 434 733 3M 3.11 4.7 5.14 454 7.41 _ 2 3.19 4.33 334 44I 6.14 2d 270 114 3.34 414 410 3 3.30 434 1.111 7.32 LK 2.73 737 4.13 S.CI 5..1 4.43 43" 1 423 7.39 7.72 2M 3. 417 434 3.44 4D4 .� 333 S.oO 4V 4.57 10.77 241 4.W 442 5.19 3.71 6 344 5 7.14 134 11.07 234 I.D LK 4.41 497 5.41 7 30.0 534 7.44 10.34 1373 243 3.12 320 4.27 4.79 3.13 3 7.95 5.44 w 11.54 15.11 242 7.07 217 403 4.41 433 9 4.11 4.23 1.09 13.04 1191 2.34 294 7.43 7.93 4.70 433 10 429 447 10.0 15.00 23.33 231 246 237 173 4.12 4.44 1l 4.44 7.14 11.11 17.47 70.43 2.24 2.78 7_33 3.61 3.91 4.24 17 44,4 7.69 1230 21.43 47.73 221 2.70 3.12 149 3.3 4474