Laserfiche WebLink
G. .MOUND SLOPE WIDTH&LENGTH Landslope> 1% slope , <br /> (landslope greater than 1%) i,; <br /> 1. Downslope absorption.width= absorption width(P) <br /> ' i 6 To soil <br /> J <br /> minus rock layer width (D2) ... ..W., te : �` ` , ,�r. t <br /> a0-r) ft 10 ft= I ') fti <br /> 2. Calculate mound size • °0" t` • <br /> -as <br /> UPSLOPE , <br /> a. Depth of clean sand fill at upslope edge of • ' Absesptios Width...nam <br /> rock layer = 3 ft minus the distance to restricting layer(C1) a,) <br /> 3 ft- /J:2, ft=�:` ft• D-sa SLOPE MULTIPLIER TABLEb. Mound height at the upslope edge of rock <br /> layer = depth of clean sand for separation(G2a) Land <br /> >A mWe.n DOWNSLOPE <br /> ,,,,,s <br /> at upslope edge plus depth of rock layer(1 ft) „d« rite« <br /> plus depth of cover(1 ft) 3t1 4t1 atl 611 711 • &1 3t1 4t1 511 6:1 7;1 <br /> ) vtt ft+ 1ft+ 1ft= .7.t-4 ft 0 3.0 4.0 1.0 6.0 7.0 5.0 3.0 4.0 5.0 6.0 7.0 <br /> C. Upslope berm multiplier based on land slope 1 2.91 335 4.76 5.66 6.56 7.41 3.09 4.17 5.26 6.38 7.53 <br /> D .? (see figure D-34) 2 233 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 <br /> d. U slo a width= berm multiplier(G2c)times ' 2.75 a.37 435 sob 5.79 6.f5 3.30 4.54 5.55. 7.32 8.86 <br /> p P 4 2.66 3.45 4.17 4.54 544 6.06 3.41 4.76 6.25 7.89 9.72 <br /> upslope mound height(G2b): 5 2.61 333 2.00 442 539 sas 333 5,00 6.67 8.57 10.77 <br /> . ') x 3.4 f t =__ L__ft 6 2.56 3.23 3.55 441 4.93 541 3.66 5.26 7.14 9.38 12.07 <br /> DOWNSLOPE 7 2.45 3.12 3.70 4.23• 4.70 5.13 3.50 5.56 7.69 10.34 13.73 <br /> 3. Drop in elevation= rock layer width(D2)•times $ 242 333• ,3.57 4.05 449 4.55 3.95 5.311 333 11.54 15.91 <br /> percent landslope (C5) +100 9 2.36 234 3.45 3.90 430 4.65 4.11 6.25 9.09 13.04 18.92 <br /> 10 ft X 1 Z %+100= • 1, 2-ft 10 2.31 2.56 3.33 3.75 4.12 444 4.29 6.67 10.00 15.00 23.33 <br />'. Downslope mound height= depth of dean 11 2.26 2.75 .' 3.23 3.61 3.95. 4.26 445 7.14 11.11 17.65 30.43 <br />;and for slope difference(G2e) at downslope •32 2.21 05 3.12 3.49 .330 4.00 Q 7.69 12.30 21.43 43.75 <br />•ock edge plus the mound height at the .., I <br /> 1pslope edge of rock layer(G2b) • <br /> 3.L4 ft+ J , -2- ft= 4i cs. ft • , <br />;. Downslope berm multiplier based on percent land slop • t • <br /> 4 f Li, (seefgure D-34) - 55 , - . <br /> L. Downslope width= downslope multipliervaap.�vl.1t ) 44:1 s <br /> G2 ) times downslope mound height(G2f) 47� . . . <br /> Lr(r1 X 44 t 10 ft= ,Z ft 1-.15 .-- ;Es . U frdth032d) � I) Q_ : ate <br /> 3� Ur `k►dwcczd> <br /> Select the greater of G1 and G211 as the -, . . <br /> lownslope width: a.8 ft . A i dbovenslopo Widlitallit • . <br /> Total mound width is the sum of upslope • I • <br /> Absorption <br /> "Id '___L�- <br /> • <br /> • <br /> sidth (G2d) width plus rock layer width a® - �h - 3•S.1 '"'"---•• <br /> D2) plus downslope width(G2i) Length c =.n <br /> c"i ft+, 10 ft+, act? ft= 4 ) ft <br /> Total mound length is the sum of upslope width(G2d) . <br /> lus rock layer length (D3)plus upslope width(G2d) <br /> 'I ft+ 3') ft+ ft= SSS feet ' <br /> 8 • --. 3 0 + as ciz, . . Final Dimensions: <br /> • 4'2 x .91J A-c) <br /> hereby certify that I hay ompleted this work in accordancewith applicable ordinances, rules and laws. <br /> 622 i4 ,(signature) 3-79" (license#) (o-)4-0Z (date) <br />