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' Cov r 1' <br /> G. MOUND SLOPE WIDTH & LENGTH v"dslope:-9: <br /> slope ratio-:_ <br /> (landslope 1% or more) <br /> 1. Subtract rock layer width from absorption width Clean Sand <br /> atura15oi1 rt (6:Topsoil � <br /> to obtain minimum downslope width UrniftU7rr <br /> ZG ft- e';C' ft.= /0 feet Upslopewalh Dowtacbpe i th <br /> 2. Calculate minimum mound size Rock Width <br /> a. Determine depth of clean sand fill at 1 <br /> Absorption Width <br /> upslope edge of rock layer: A 1 <br /> Separation 3' - ft = 2- feet <br /> b. Add depth of clean sand for separation (2a) SLOPE MULTIPLIER TABLE <br /> at upslope edge, depth of rock layer(1 foot) to <br /> depth of cover (1 foot) to find the mound height 1'"a 11PSL°PE DOWNSLOPEg slo ' multipliers for various multi liers for various <br /> at the upslope edge of rock layer; in slope ratios slope ratio, <br /> ft+ lft+ 1ft-_ feet 3:1 4:1 5:1 6:1 7:1 8:1 3:1 4:1 :1 6:1 7: <br /> 0 0 <br /> c. Enter table with landslope and upslope ratio. 3. <br /> 1 291 4.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 <br /> 3.85 4.76 5.66 6.54 7.41 3.09 4.17 526 638 7.S3 <br /> Select berm multiplier of 3. �3 <br /> 76.82 <br /> 2 7-83 3.70 451 536 6.14 6.90 3.19 4.35 SS6 8.14 <br /> d. Multiply berm multiplier by upslope mound , 7-,s 3.57 43s s.os 5.79 6.45 330 4.54 s.s8 32 S."height to find upslope width: 4 L6A 3.45 4.17 4.PA 5.46 6.06 3.41 1.76 6.25 7.89 9.n <br /> x_�_ /3. feet 5 261 3.33 4.00 4.62 5.19 5.71 3.53 5.00 6.67 8S7 10.77 <br /> e. Multiply rock layer width by 6 254 3.23 3.8S 4.41 4.93 5.41 3.66 5.26 7.14 938 1107 <br /> landslope to determine drop in elevation; 7 2.48 3.12 3.70 "4.23 3.70 5.13 3.80 556 7.69 1034 11." <br /> _Q-x_E%= 100 feet 8 242 3.03 3S7 4.05 4.49 4.88 3.95 5.88 833 1154 15.91 <br /> f. Add depth of clean sand for-slope difference 9 2.36 294 3.45 3.90 430 4.65 4.11 615 9A9 13.04 18.92 <br /> (2e) at downslope rock edge, to the mound 10 2-71 286 333 3.75 4.12 4.44 4.29 6.67 10.00 15.00 17.''-' . <br /> height at the upslope edge of rock layer (2b) 11 226 278 3.27 3.61 3.95 4.26 4.48 7.14 11.11 17.65 30. <br /> to find the downslope mound height; 12 2-21 270 3.12 3.49 3.80 4.08 1 4.69 7.69 12-50 21.43 43.75 <br /> . 5- ft +Z ft= y3"feet <br /> g. Enter table with landslope and downslope ratio. Select <br /> downslope multiplier of 5.� <br /> h. Multiply downslope multiplier by downslope mound height to <br /> get downslope width: <br /> c x 47!s' = 22r feet <br /> i. Compare the values of step G.1 /o <br /> and Step G.2h 2-2-r- Upslope width <br /> Select the greater of the two values as the <br /> downslope width: use 2t:. r feet ` <br /> j. Total mound width is the sum of Upslope Width ue�oob _ Bed o olv p p ov_ o U slo a Width <br /> Rock � <br /> �p:p:o d4i Width ?ne°ree.e .s <br /> upslope (G.2d) width plus rock layer oQ0 00 a 04. Length 'a_A QQ; , , <br /> width (D.2) plus downslope width(G.2i); <br /> /Y r ft+ to ft+ 2Ge_r_ f t = Downslope width <br /> - feet E° <br /> k. Total mound length is the sum of upslope Absorption Width <br /> width (G.2d) plus rock layer length (D.3) <br /> plus upslope width (G.2d); <br /> I,Tf- ft + 62 ft+ /_�S- ft = Q-feet Total Length <br /> Final Dimensions: <br /> 5-0 <br /> 50' IIS own SIoP� <br />