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29) <br />3oi <br />31) <br />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 />percent site slope (0-20% range) �9 (% downslope site slope, if different than upslope) <br />20 inches, or 1.7 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 />16 inch, or 1.3 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 ups(ope ratio iD ft, upslope berm <br />4:1 sideslope 17 ft. sideslope berms <br />4:1 downslope 26 ft. downslope berm <br />Overall Dimensions: <br />Ui)slone berm 1 10 <br />10.0 1 ft. wide by 62.5 ft. long Rock bed <br />46 ft. wide by 1 97 ft. long Mound footprint <br />4" inspection pipe <br />r— 18" cover on top <br />1.3 11 dean sand lift <br />_ _ 1.7 <br />Limiting Condition <br />---------------- <br />Depth to Limiting <br />Absorption Width <br />Downslope berm 26 <br />12" cover on sides <br />(6" loamy cap &. 6" topsoil) <br />27.0 <br />Note: <br />For 0 to 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 />Rock Bed: <br />10.0 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 />26.2 up + 107.1 downslope + 15.5 ends + 41.3 under rock = F228 yd' or *1.4= 319 ton <br />plus 20% <br />) Loamy Cap: <br />42 ft. by 93 ft. 6" deep, plus 20% gives 87 yd' or *1.4= 122 ton <br />Topsoil: <br />46 ft. by 97 ft. 6" deep, plus 20% gives 99 yd' or *1.4= 1-3-9-1 ton <br />I hereby cer ' that I have completed this work in accordance with all applicable ordinances, rules and laws. <br />Rusty Olson"s Soil Et Perc 810 6/16/2018 <br />finer Signature Company License# Date <br />