06-24-22 Septic Design - Laserfiche WebLink

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H 0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2 (minimum) (this must match the soil boring log) desired mound ratio 2,0 12 percent site slope (0-20% range) 12 (% downslope site slope, if different than upslope) 22 inches, or 1.8 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: 14 inch, or 1.2 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSIH 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) -o. 0 ft. upslope and sideslope 10.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratio 8 ft. upslope berm 4:1 sideslope 17 ft. sideslope berms 3:1 downslope 20 ft. downslope berm Overall Dimensions: Upslope germ I 8 1.2 Limiting c=ondition 10.0 ft. wide by 50.0 ft. long Rock bed 38 ft. wide by 1 84 ft. long Mound footprint 4" inspection pipe r-- 18" cover on top Clean sand lift Depth to Limiting -'` ----------------- Absorption Width 20. 20 12" cover on sides (6" loamy cap &6" topsoil) Note: For O to 1% slopes, Ahsorption Width is measured from the Bedequally in both directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed. Rock Bed: 10.0 ft. by 50.0 ft. by ®inches under pipe, plus 20% gives =yd-' or *1.4= 24 ton Mound Sand: (note: volume is based on 3:1/4:1 scope from top of rockbed, Exchange sand for loamy cap if desired) 17.8 up * F -7-6—T downslope + 16.8 ends + 32.7 under rock =173 yd' or *1.4= 242 ton PLUS 20% Loamy Cap: 34 ft. by $0 ft. 6" deep, plus 20% gives 36) Topsoil: 61 yd' or *1.4= 85 ton 38 ft. by 84 ft. 6" deep, plus 20% gives 71 yd' or "1.4= g9 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson's Soil Et Perc 810 6/13/2022 "Designer Signature Company License# Date