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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 /> 8 percent site slope (0-20% range) 8 (%downslope site slope, if different than upslope) <br /> 25) 14 inches, or 1.2 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 /> 20) 22 inch, or 1.8 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 /> 20) 4:1 upslope ratio 12 ft. upslope berm <br /> 3o) 3:1 sideslope 14 ft. sideslope berms <br /> 3h 4:1 downslope 27 ft. downslope berm <br /> 32) Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 49 ft. wide by 91 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> <Upslope berm 12 Downslope berm 27 <br /> 12" cover on sides <br /> (6"loamy cap&6"topsoil) <br /> 1.8 Clean sand lift <br /> 1.2 Depth to Limiting <br /> Limiting Condition _ <br /> Absorption Width 27.o I�Note: <br /> For Oto 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 /> 37.4 up + 119.3 downslope + 14.7 ends + 52.1 under rock = 268 yd3 or*1.4= 375 ton <br /> plus 20% <br /> 35) Loamy Cap: <br /> 45 ft. by 87 ft. 6"deep, plus 20% gives 87 yd'or*1.4= 122 ton <br /> 30) Topsoil: <br /> 49 ft. by 91 ft. 6" deep, plus 20% gives 100 yds or*1.4= 140 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 12/6/2017 <br /> signer Signature Company License# Date <br />