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231 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, 2 percent site slope (0-20% range) 2 (%downslope site slope, if different than upslope) <br /> 20 inches, or 1.7 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 /> _'b, 16 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> 27) 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> 'K, 0.0 ft. upslope and sidestope <br /> 10.0 ft. Downslope <br /> Individual slope ratios give BERM widths (topsoil beyond rockbed)of: <br /> 4:1 upslope ratio 12 ft. upslope berm <br /> 30, 4:1 sideslope 14 ft. sideslope berms <br /> 31) 4:1 downslope 15 ft. downslope berm <br /> 32) Overall Dimensions: 10.0 ft. wide by 50.0 ft. long Rock bed <br /> 37 ft. wide by 78 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> Upslope berm 12 Downslope berm 15 <br /> M ._ 12" cover on sides <br /> (6"loamy cap&6"topsoil) <br /> 1.3 Clean sand lift <br /> 1.7 <br /> Absorption Width 120.0 I <br /> Note: <br /> For 0 to 1%slopes, Absorption Width is measured from the Bedequatty 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 50.0 ft. by 6 inches under pipe, plus 20%gives 17 yd'or*1.4= 24 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 /> 26.1 up + 36.2 downslope + 9.5 ends + 26.5 under rock= 118 yd'or*1.4= 165 ton <br /> plus 20% <br /> 351 Loamy Cap: <br /> 33 ft. by I 74 lft. 6"deep, plus 20%gives 55 yd'or'1.4= I 77 Iton <br /> 36) Topsoil: <br /> 37 ft. by 78 ft. 6"deep, plus 20%gives 65 yd'or*1.4= I 91 Iton <br /> I hereby certify that I have completed this work in accordance with alt applicable ordinances, rules and laws. <br /> Rusty o(son's Soil£t Perc 810 7/19/2016 <br /> signer Signature Company License# Date <br />