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23) 0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) <br /> (this must match the soil boring log) desired mound ratio 2.7 <br /> 24) 8 percent site slope (0-20% range) 8 (%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) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> 28) 0.0 ft. upslope and sideslope <br /> 17.0 ft. Downslope <br /> Individual slope ratios give BERM widths (topsoil beyond rockbed)of: <br /> 29) 4:1 upslope ratio 11 ft. upslope berm <br /> 30) 3:1 sideslope 13 ft. sideslope berms <br /> 31) 4:1 downslope 26 ft. downslope berm <br /> 32) Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 47 ft. wide by 89 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> Upslope berm 11 Downslope berm 26 <br /> MEW 12" cover on sides <br /> (6"loamy cap&6"topsoil) <br /> 1.7 Clean sand lift <br /> _____ 1.3 Depth to Limiting <br /> Limiting Condition ________ <br /> Absorption Width 27.0 <br /> Note: <br /> For 0 to 1%slopes, Absorption Width is measured from the Bedequally 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 63.0 ft. by 6 inches under pipe, plus 20%gives 21 yd'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 /> 32.3 up + 106.0 downslope + 13.4 ends+ 48.2 under rock = 240 yd'or*1.4= 336 ton <br /> plus 20% <br /> 35) Loamy Cap: <br /> 43 ft. by 85 ft. 6"deep, plus 20%gives 82 yd'or*1.4= 115 ton <br /> 36) Topsoil: <br /> 47 ft. by 89 ft. 6"deep, plus 20%gives 93 yd'or*1.4= 130 ton <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> Rusty olson's Soil Et Perc 810 9/20/2016 <br /> iesigner Signature Company License# Date <br />