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23i 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 />2�r 15 percent site slope (0-20% range) 15 (% downslope site slope, if different than upslope) <br />15) 14 inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains7oinches of 0% soil credit, and F Qinches of 50% soil credit. Giving a: <br />,c, 22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />7, 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />1siF0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />syr 4:1 upslope ratio 10 ft. upslope berm <br />_ni 3;1 sides(ope 16 ft. sideslope berms <br />1) 3:1 downslope 41 ft. downslope berm <br />Overall Dimensions: <br />Uvslove berm <br />ting Cond <br />10.0 ft. wide by 62.5 ft. long Rock bed <br />61 ft. wide by 95 ft. long Mound footprint <br />4" inspection pipe <br />r— 18" cover- on top <br />W <br />1 g Clean sand lift <br />1Depth to Limiting <br />t-----4._ -----...._–_–_ <br />Absorption Width <br />berm 1 41 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />27.0 _-_–_._.i-- ---- – <br />Nate: <br />For Q to 1% slopes, A&orption Width is measured from the cgedequally in both directions. <br />For slopes >1%, Ahsorption Width is measured downhill from the upslope edge of the Bed <br />Rock Bed; <br />1D.0 ft. by 62.5 ft. by ®inches under pipe, plus 20% gives 21 yd' or *1.4= 29 ton <br />Mound Sand: (note: volume is based on —3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />31.9 up + 170.$ downslope + 20.9 ends + 54.$ under rock =340 yd' or *1.4= 47b ton <br />plus 20% <br />Loamy Cap: <br />57 ft. by 91 ft. 6" deep, plus 20% gives <br />Topsoil: <br />61 ft. by 95 ft. 6" deep, plus 20% gives <br />I hereby ce5ifythat I have completed this work in accordance with all <br />igner Signature <br />Rusty Olson"s Soil It Perc <br />Company <br />115 yd'or*1.4= 161 ton <br />129 yd'or*1.4= 181 ton <br />ordinances, rules and laws. <br />810 6/16/2018 <br />License# Date <br />