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0.45 gpd/fe 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 />12 percent site slope (0-20% range) 12 (% downslope site slope, if different than upslope) <br />18 inches, or 1.5 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains=inches of 0% soil credit, and =inches of 50% soil credit. Giving a: <br />18 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratio 9 ft. upslope berm <br />3:1 IsidesLope 14 ft. sideslope berms <br />3:1 downslope 21 ft. downslope berm <br />Overall Dimensions: kd <br />ft. wide by 63.0 ft. long Rock bed <br />ft. wide by 1 91 ft. long Mound footprint <br />upslope berm <br />Limiting Iron <br />4" inspection pipe <br />(-- 18" cover on top <br />9 <br />1.5 Clean sand lift <br />1,5 Depth to Limiting <br />n—-------____._.. <br />Absorption Width <br />berm 21 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />27.0 ----_---i_---- ----_ <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the hedequaily in both directions. <br />For slopes >1%, Absorption y4fidth is measured downhill from the upslope edge of the Bed <br />Rock Bed: <br />10.0 ft. by 63.0 ft. by ©inches under pipe, plus 20% gives =yd" or x`1.4= 29 ton <br />a Mound Sand: (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />25.9 up + 101.1 downslope + 15.2 ends + 49.0 under rock = 229 yds or *1.4= 321 ton <br />plus 20% <br />Loamy Cap: <br />36 ft. by 87 ft. 6" deep, plus 20% gives 70 yds or `1.4= 98 ton <br />Topsoil: <br />40 ft. by 91 ft. 6" deep, plus 20% gives 81 yds or ``1.4= 113 ton <br />I hereby certify that I have completed this work in accordance with all applicable ordinances. rules and la+ <br />Rusty Olson's Soil 8t Perc 810 5/22/2022 <br />r Signature Company License# Date <br />