2008 - 00069 - new septic - Laserfiche WebLink

Home Browse Search

' ' G. MOUND SLOPE WIDTH & LENGTH L(landslope greater than 1%) dslope > I% slope 04. 1. Downslope absorption width = absorption width (F) 3r '; / �.> i, f r 4, �, - minus rock layer width (D2) ''T°E ;'i ,�.y� ato 0o a g `"�,fi. Z 7 ft - l d ft = /7 ft _ c b..,bp,Oi 2. Calculate mound size Upslope Width'G2d) Downslope WidtleGzi) , UPSLOPE Rock Width(D2) - ft a. Depth of clean sand fill at upslope edge of / ' /0 ' /7 rock layer = 3 ft minus the distance to restricting layer (C1) gbsorpl;on wid(',-Sandal) 3ft - e-5- ft = 45" ft b. Mound height at the upslope edge of rock .7 layer = depth of clean sand for separation (G2a) D-34: SLOPE MULTIPLIER TABLE at upslope edge plus depth of rock layer (1 ft) Land UPSLOPE DOWNSLOPE Slope, multipliers for various multipliers for various plus depth of cover (1 ft) in ,o slope ratios - pe ratios /-s ft + 1ft + lft = 4-5-ft 3:1 f , ,.2)5' 6:1 7:1 8:1 3:1 `:1 :1 6:1 7:1 c. Upslope berm multiplier based on land slope 0 3.0 4.0 5.0 6.0 7.0 8.0 3.0 4.0 5.0 6.0 7.0 3.' '7-'-/5 47 (see figure D-34) 2.91 3.85 4.76 5.66 6.54 7.41 3.09 4.77 5.26 6.38 7.53 2 2.83 3.70 4.54 5.36 6.14 6.90 3.19 4.35 5.56 6.82 8.14 d. Upslope width = berm multiplier (G2c) x 3 275 3.57 4.35 5.08 5.79 6.45 3.30 4.54 5.88 7.32 8.86 upslope mound height (G2b): 4 2.68 3.45 4.17 4.84 5.46 6.06 3.41 4.76 6.25 7.89 9.72 , Q S x 3 -5- ft = /3,�ft /�'Pi- 5 2.61 3.33 4.00 4.62 5.19 5.71 3.53 5.00 6.67 8.57 10.77 DOWNSLOPE 6 2.54 3.23 3.85 4.41 4.93 5.41 3.66 5.26 7.14 9.38 12.07 e. Drop in elevation = rock layer width (D2) X 7 2.48 3.12 3.70 4.2.3 4.70 5.13 3.80 5.56 7.69 10.34 13.73 percent landslope (C5) = 100 8 2.42 3.03 3.57 4.05 4.49 4.88 3.95 5.88 8.33 11.54 15.91 la ft x Z % _ 100 =0. z- ft 9 2.36 2.94 3.45 3.90 4.30 4.65 4.11 6.25 9.09 13.04 18.92 Downslope mound height= depth of clean 10 2.31 2.86 3.33 3.75 4.12 4.44 4.29 6.67 10.00 15.00 23.33 Sand for slope difference (G2e) at downtlope 11 2.26 2.78 3.23 3.61 3.95 4.26 4.48 7.14 11.11 17.65 30.43 rock edge plus the mound height at the 12 2.21 2.70 3.12 3.49 3.80 4.08 4.69 7.69 12.50 21.43 43.75 upslo e edge e,f rock layer (G2b) 3.6 ft + D. Z ft = _3-7 ft g. Downslope berm multiplier based on percent land slope A4-/7 (see figure D-34) h. Downslo e width = downslo e multi lier / IAL U1" "'^P"/�'� P P P (G2g) times downslope mond height (G2f) • 19 Upslope Width(G2d) ft 'el: � .2 ft = / ft i. Select the greater of Cl and G2h as the Rock Bed Upslope Width(G2d, Upslope Width(G2d) �U p pt' Width(D2) _ ft ,o ft Length(D3) --- downslope width: /)' ft 3 . • j. Total mound width is the sum of upslope F /2 ' '-Downslope Width(G2i) / / ft ! / width (G2d) width plus rock layer width ' Absorption Width(F)__i (D2) plus downslope width (G2i) 4 /if ft + /D ft + /7 ft = `tLY ft Total Length(G2k)_2 _ k. Total mound length is the sum of upslope width (G2d) plus rock layer length (D3 plus u slope width (Gp2d�),,,, .,�,y.- I `�ft + '�/ft +/ ft = �y feet bp..4...�`r'pt J 7 Y4 --4 4/4- /7 = 750 pa,dprzx. Final Dimension : ' ._ __24,2,0 X 47L1 a9.5ait ...___, I her certify that I have corn,,�letted this work in accordance with applicable ordinances,esrules and laws. �A (signature) ` 94/11g T (license# / l� (date)) �� ( ate)