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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 />15 percent site slope (0-20% range) 15 (% downslope site slope, if different than upslope) <br />16 inches, or 1.3 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 />20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSI 11 <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 />4a upslope ratio 9 ft. upslope berm <br />3:1 sideslope 16 ft. sideslope berms <br />3:1 downslope 29 ft. downslope berm <br />Overall Dimensions: <br />berm <br />LimiOng Conal <br />M10.0 ft. wide by 50.0 ft. long Rock bed <br />48 ft. wide by 82 ft. long Mound footprint <br />4" inspection pipe <br />(— 18" cover on top <br />9 <br />1.7J. Clean sand lift <br />1.3 j Depth to i_irrritir,s <br />Absorption Width <br />29 <br />12" cover on sides <br />(6" loamy cap &6" topsod) <br />27.0T <br />Note• ' <br />For 0 to 1% slopes, Absorption 0,ldth is measured from the Bedequally in both directions. <br />For slopes >1%, Adsorption Wdth is measured downhill from the +upslope edge of the Beal. <br />Rock Bed: <br />10.0 ft, by 50.0 ft. by l finches under pipe, plus 20% gives 17 yd' ar `1.4=24 ton <br />Mound Sand: (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />24.2 up + 135.6 downslope + 19.3 ends + 44.8 under rock = EEO" or '`1.4= 376 ton <br />Pius 20% <br />Loamy Cap: <br />Lr--"--7ft. by 78 ft. 6" deep, plus 20% gives =yd" or `1.4= 108 ton <br />Topsoil: <br />48 ft. by 82 ft. 6" deep, plus 20% gives <br />88 yd' or `1.4= 1 123 ton <br />ify that I have completed this work in accordance with all applicable ordina <br />Rusty olson's Soil a Perc 810 <br />ature Company Licen� se# <br />10/22/2016 <br />Date <br />