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• <br /> 23) 0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2 (minimum) <br /> (this must match the soil boring log) desired mound ratio 2.0 <br /> 24) 5 percent site slope (0-20% range) 5 (%downslope site slope, if different than upslope) <br /> 25) 16 inches, or 1.3 ft. to Redox or other limiting condition (need at least 12" to be a Type I) <br /> Treatment zone contains 0 inches of 0%soil credit, and 0 inches of 50%soil credit. Giving a: <br /> 26) 20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> 27) 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> 28) 0.0 ft. Opslope and sideslope <br /> 10.0 ft. Downslope <br /> Individual slope ratios give BERM Widths (topsoil beyond rockbed) of: <br /> 29) 4:1 upslope ratio 12 ft. upslope berm <br /> 30) 3:1 sideslope 13 ft. sideslope berms <br /> 31) 4:1 downslope 20 ft. dpwnslope berm <br /> 32) Overall Dimensions: 1010 ft. wide by 62.5 ft. long Rock bed <br /> 42 ft. wide by 89 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> lJ•slo•e berm 12 Downslope berm 20 <br /> moinor <br /> 12" cover on sides <br /> (6"loamy1.7.....g.Agrligl �Clea0 : Z6ut0 <br /> 1.3 Depti, - 1ni i1 <br /> _1rrr:)t)n oncht1Cr; - ---- <br /> ----- - ___ <br /> Absorption Width 20.o _ ---- <br /> _ _-- --- <br /> Note: <br /> For 0 to 1%slopes, Absorption Width is measured from the Bedequatly in both directions. <br /> For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed. <br /> 33) Rock Bed: <br /> 10.0 ft. by 62.5 ft. by 6 inches under pipe, plus 20%gives 21 yds or*1.4= 29 ton <br /> 34) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br /> 35.3 up + 74.7 downslope + 11.1 ends+ 44.4 under rock= 199 yd'or*1.4= 278 ton <br /> plus 20% <br /> 35) Loamy Cap: <br /> 38 ft. by 85 ft. 6"deep, plus 20%gives 72 yds or*1.4= 101 ton <br /> 36) Topsoil: <br /> 42 ft. by 89 ft. 6"deep, plus 20%gives 83 yds or*1.4= 116 ton <br /> I hereby certi that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> Rusty olson's Soil Et Perc 810 8/19/2016 <br /> signer Signature Company License# Date <br />