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136) <br />0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) <br />(this must match the snit boring log) desired mound ratio 1 2.7 <br />�9 percent site slope (0-20% range) (% downslope site slope, if different than upstope) <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 707inches of 50% soil credit. Giving a: <br />20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSI l± <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />0.0 ft. upstope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upstope ratio 11 ft. upstope berm <br />3:1 sideslope 14 ft. sideslope berms <br />4:1 downslope 26 ft. downslope berm <br />Overall Dimensions: 10.0 ft. wide by F'gi'lft. <br />3.ft. long Rock bed <br />47 ft, wide by long Mound footprint <br />S— 4" inspection pipe <br />(— 18" cover on top <br />Upslope berm 11 <br />1.7 <br />_ _ _ 1.3 <br />Limitfng Condition <br />DownsloQe berm z6 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />Clean sand lift <br />Depth to Limiting <br />Absorption Width _ 27.0 x _ – ` ` �– – – – – – – - – <br />Note: <br />For O to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1%, Absorption Width is measured downhill from the upstope edge of the Bed. <br />Rock Bed: <br />10.0 ft. by 63.0 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 />32.1 up + 122.2 downslope + 14.1 ends + 49.4 under rock = 261 yd' or *1.4= F366ton. <br />plus 20% <br />Loamy Cap: <br />43 ft. by 87 ft. 6" deep, plus 20% gives $4 yd' or "1.4= 118 ton <br />Topsoil: <br />47 ft. by 91 ft. 6" deep, plus 20% gives 96 Yd' or *1.4= 134 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 ft Perc 810 10/18/2019 <br />4esZipg-ner Signature Company License# Date <br />