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N <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 1 2.7 <br />10 percent site slope (0-20% range) 20 (% 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 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 10 ft. upslope berm <br />3:1 sideslope 14 ft. sideslope berms <br />3:1 downslope 35 ft. downslope berm <br />Overall Dimensions: 10.0 ft. wide by 37.5 ft. long Rock bed <br />55 ft. wide by 1 66 ft. long Mound footprint <br />4" inspection pipe <br />1$" cover on tip <br />berm 10 v1 b Downslope berm _3 5 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.7 Clean sand lift <br />_ _ 1.3 Depth to Limiting <br />Limiting Condition —`— _— -_--__ <br />Absor tion Width 27.0 `-- —•------ <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the ffedequally in both directions. <br />For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed. <br />Rock Bed: <br />10A ft. by 37.5 ft. by ®inches under pipe, plus 20% gives =yd' or "1.4= 18 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 />21.7 up + 110.7 downslope + 14.9 ends + 30.1 under rock = 213 ydj or *1.4= 298 tan <br />plus 20% <br />Loamy Cap: <br />51 ft. by =ft. 6" deep, plus 20% gives <br />Topsoil: <br />55 ft. by b6 ft. 6" deep, plus 20% gives <br />com <br />n acco <br />70 yd' or *1.4= 98 ton <br />81 yd' or *1.4= 113 ton <br />Rusty Olson"s Soil £t Perc 810 <br />Company License# <br />nances, rules and laws. <br />1/26/2021 <br />vac <br />