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0.45 gpd/ftz Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 1 (minimum) (this must match the soil boring log) desired mound ratio 2.7 12 percent site slope (0-20% range) 12 (% 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 =inches of 50% soil credit. Giving a: 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL. FOR FUTURE CERTIFICATIONS!!! 7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 8) 0.0 Ift. upslope and sideslope 17.0 Ift. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 9) 4:1 upslope ratio 11 ft. upslope berm o) 3:1 sideslope 16 ft. sideslope berms 1) 3:1 downslope 24 ft. downslope berm Overall Dimensions: berm = FM 1 1.0 Limiting Condition Z10.0 ft. wide by 50.0 ft. long Rock bed 45 ft. wide by 1 82 ft. long Mound footprint 4" inspection pipe r-- 18" cover on top Clean sand lift Depth to Limiting - ---------------- Absorption Width 24 12" cover on sides (6" loamy cap & 6" topsoil) 27.0 1 `— i---- --- —_—_ Dote: For 0 to 1% slopes, absorption Wldth is measurer) from the Bedequally in both directions. For Stopes >1%, Absorption Wldtfais measured downhill from the upslope edge of the bed. Rock Bed: 10.0 ft. by50.0 ft. by ®inches under pipe, plus 20% gives 17 yd' or "1.4= 24 ton Mound Sand:. (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 33.3 up + 116.4 downslope + 19,6 ends + 48.1 under rock = 261 ]yd3 or "1.4= 365 ton plus 20% 35) Loamy Cap: 41 ft. by 7$ ft. 6" deep, plus 20% gives Topsoil: 45 ft. by 82 ft. 6" deep, plus 20% gives certifv that I have co accordance with 72 yd' or *1.4= 101 ton 82 yd' or *1.4= 115 ton , rules Rusty Olson"s Soil ix pert 810 12/14/2020 Signature Company License# Date