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• <br /> 23) 0.78 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 1.5 (minimum) <br /> (this must match the soil boring log) desired mound ratio 1.5 <br /> 24) 7 percent site slope (0-20%range) 7 (%downslope site slope, if different than upslope) <br /> 25) 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 /> 26) 16 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> 27) 15.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> 28) 0.0 ft. upslope and sideslope <br /> 5.0 ft. Downslope <br /> Individual slope ratios give BERM widths (topsoil beyond rockbed)of: <br /> 29) 4:1 upslope ratio 10 ft. upslope berm <br /> 30) 4:1 sideslope 16 ft. sideslope berms <br /> 31) 4:1 downslope 22 ft. downslope berm <br /> 32) Overall Dimensions: 10.0 ft. wide by 50.0 ft. long Rock bed <br /> 42 ft. wide by 82 ft. long Mound footprint <br /> 4"inspection pipe <br /> 18" cover on top <br /> k Upslope berm 10 a Downslope berm 22 <br /> !MIMI <br /> 12" cover on sides <br /> (6"loamy cap&6"topsoil) <br /> 1.3 Clean sand lift <br /> 1.7 Depth to Limiting <br /> Limiting Condition _ -------- -----— <br /> Absorption Width 1 15.0 ----- <br /> --__--. <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 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 /> 23.3 up + 70.1 downslope + 13.6 ends+ 31.2 under rock= 166 yd3 or*1.4= 232 ton <br /> plus 20% <br /> 35) Loamy Cap: <br /> 38 ft. by 78 ft. 6"deep, plus 20%gives 66 yd'or*1.4= 92 ton <br /> 36) Topsoil: <br /> 42 ft. by 82 ft. 6"deep, plus 20%gives 77 yd'or*1.4= 108 ton <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> n w "�� ^ • Sewer Services 2502 6/18/2015 <br /> Designer Signature Company License# Date <br />