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MOUND SLOPE WIDTH &LENGTH Landslope > 1%slope (landslope greater than 1%) � Downslope absorption width= absorption width(F) inus rock layer width(132) _r� _ VTopsou ► a1,. ft- i o ft [ 2parti h t_: tion�l R ^ R�rokt6�g Lays N7A RiG2d) v+Wlh(47p Calculate mound size Rock a lhrl(02) R ?SLOPE Depth of clean sand fill at upslope edge of L Ab"Vt1oa WW1h ck layer=3 ft minus the distance to restricting layer (Cl) ft- ; 'r ft= ,o ft Mound height at the upslope edge of rock D-34. SLOPE MULTIPLIER TABLE fer= depth of clean sand for separation(G2a) Land UPSLOPE DOVMSLOPE multipliers for various multipliers for various upslope edge plus depth of rock layer (1 ft) slR'Oe ,lope ratios ,lope ratios us depth of cover(1 ft) 3:1 4:1 5:1 6.1 7.1 W 3:1 4:2 5.1 6;1 7.1 ,0 ft+ lft+ lft= 11'0 ft 0 3.0 4.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 Upslope berm multiplier based on land slope 1 2.91 3.95 4.76 S." 6.54 7117 3.09 4.17 5.26 639 7.53 (See figure D-34) 2 2.83 3.70 4s4 536 6.14 6.90 119 43S 5.56 6.92 8.14 Upslope width= berm multiplier(G2c) times 3 VS 3s7 435 5.0 5.79 6AS 330 4s4 5.88 7.32 9.86 ,slope mound height(G2b): 4 169 3.45 4.17 4.84 S." 6.06 3.41 4.76 6.25 7.99 9.72 .12- X_ . _ft = _ft S ul 3.33 4.00 4.62 S.19 5.71 3.53 S.00 6.67 SM 10.77 Y Y NSLOPE � 6 2.54 3.23 3.95 4.41 4.93 SAI 3.66 5.26 7.14 9.38 1107 )WNSLOPE 7 148 4�p 3.70 4.23 57 4.70 3 3.80 7.69 1034 13.73 Drop in elevation=rock layer width (D2) times 8 192 3113 3.57 4.05 4A9 4.89 - /�199 5.88 933 1154 1&91 rcent landslope(C5) + 100 9 236 194 3.45 3.90 4.30 4.65 4.11 6.25 9.09 13.4 19.92 eft X '%+ 100=_"_Q ft 10 2.31 2.86 333 175 4.12 4.44 429 6.67 10.00 15.00 23.33 downslope mound height= depth of clean n 226 2.79 323 3.61 3.95 4.26 4.49 7.14 11.11 17.65 xv nd for slope difference(G2e) at downslope 12 221 2.70 3.12 3.49 3.90 4.08 4.69 7.69 12.50 21113 43.75 :k edge plus the mound height at the slope edge of rock layer (G2b) 3,0 ft+'_ft=_t-_2_f Downslope berm multiplier based on percent land slop S,S(o (see figure D-34) 73 9t_ Downslope width= downslope multiplier Upsio%fwWth(G fa) 2g) times.downslope mound height(G2f) 40 s(0 X 3. ft=--ajL_ft "peW1dth(GM) Rodc Bed �� up�°>Q_rwwthtczd>Select the greater of G1 and G2h as the wnslope width: I ft Do-nolope Width(G21, a th notal mound width is the sum of upslopeAbsorption Width(F)dth (G2d)width plus rock layer width 2)plus downslope width (G2i) Total Length(G2k)_'L(-_ft -ft+ !o ft+ :0 = 140 ft Total mound length is the sum of upslope width (G2d) .Is rock layer length (D3) plus upslope width (G2d) L-ft+ 55 ft+ -1 ft= Z,feet a f Final Dimensions: pas) r)) 'f o 1.4?0L,�o-fv� S oar.1 sqs-m w up X l S f P00 iereby certify that I have completed this work in accordance with applicable ordinances, rules and laws. (signature) 301 (license#) '1S'[ (date)