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2) 0.45 gpd/ftz Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) (this must match the soil boring log) desired mound ratio 2.7 percent site slope (0-20% range) ®(% downslope site slope, if different than upslope) 12 inches, or 1.0 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains inches of 0% soil credit, and F0inches of 50% soil credit. Giving a: 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 0.0 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 4;1 upslope ratio 12 ft. upslope berm 3:1 sideslope 14 ft. sideslope berms 4:1 downslope 28 ft. downslope berm Overall Dimensions: 10.0 ft. wide by 62.5 ft. long Rock bed 50 ft. wide by 91 ft. long Mound footprint 4" inspection pipe 18" cover on top Upslope Herm 12 . I n.,t...,�i,,.,� �. 28 2.0 1.0 t.imiting Condition 12" cover on sides (6" loamy cap & 6" topsoil) Clean sand Lift Depth to Limiting Absorption Width F 27.0 1 ---`-- — — — — _A._ - Note: For 0 to 1% slopes, Absorption Width is measured from the BedequaLly in both directions. For slopes }1%, Absorption Wdtfi is measured downhill from the upslope edge of the ded. Rock sed: 10.0 ft. by 62.5 ft. by ®inches under pipe, plus 20% gives =yd' or *1.4= 24 ton Mound Sand: (note: volume is based on 3:11/41 slope from top of rockbed, Exchange sand for loamy cap if desired) 41.7 up + 129, 7 downslope + 16.0 ends + 55.6 under rock = 292 ydj or "1.4= 4Q8 ton plus 20% Loamy Cap: 46 ft. by 87 ft. 6" deep, plus 20% gives Topsoil: 50 ft. by 91 ft. 6" deep, plus 20% gives ave completed this work in Rusty Olson's Soil a Perc Company $9 yd' or *1.4= 125 ton 101 yd' or *1.4= 141 ton appucawe ordinances, 810 4/8/2021 License# Date