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M 3) 0.45 gpd/ft2 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) 12 (% downslope site slope, if different than upslope) 16 inches, or 1.3 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 =inches of 50% soil credit. Giving a: 20 inch, or 1.7 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 4;1 sideslope 16 ft. sideslope berms 4:1 downslope 26 ft. downslope berm Overall Dimensions: berm L411iting Condi 10.0 ft. wide by 63.0 ft. long Rock bed 4$ 1 ft. wide by 1 95 1 ft. long Mound footprint 4" inspection pipe e-- 18" cover on top 12 1 Clean sand lift L1 33 Depth to Limiting, r� '� — ---------- _—_ AbsorQtion Width Downslove berm F261 12" cover on sides (6" loamy cap &:6" topsoil) Note: For Q to 1% slopes, Absorption WIdth is measured from the Bedequally in Fath directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed Rock Bed: 10.0 ft. by F —63—.70.ft. by inches under pipe, plus 20% gives =yd" or *1.4= 29 ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 38.2 up + 124.2 downslope + 14.9 ends + 44.7 under rock =266 yd-' or "1.4= 373 ton plus 20% Loamy Cap: 44 ft. by 91 ft. 6" deep, plus 20% gives 36) Topsoil: 89 yd' or *1.4= 125 ton 48 ft. by 95 ft. 6" deep, plus 20% gives =yd-' or *1.4= 143 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson's Soil iz Perc 810 10/10/2021 finer Signature Company License# Date