10-18-2018 Septic Design - Laserfiche WebLink

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0.45 gpd/ft' Absorption area Soil Loading Rate, which gives a mound ratio of2.7 (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 =inches of 50% soil credit. Giving a: 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATION5111 7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 8) 0.0 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 9) 4:1 upslope ratio 12 ft. upslope berm d) 3:1 sideslope 14 ft. sideslope berms i) 4:1 downslope 28 ft. downslope berm Overall Dimensions: 10.0 ft. wide by 32.0 1 ft. long Rock bed 50 ft. wide by 60 ft. long, Mound footprint 4" inspection pipe r--- 18" covej- on top Upslope berm 1 12 2.0 - .0 Condition Clean sand lift Depth to Limiting ~" Absorption Width berm 1 28 12" cover on sides (6" loamy cap & 6" topsoil) 27.0 ` - ---- ---I- . _ --- - Note: ' For O to 1°6 slopes, .46sorption Width is measured from the Bedequally in both directions. For slopes >1 %, Absorption ,Width is measured downhill from the upslope edge of the Bed. 3) Rock Bed: 10.0 ft. by 32.0 ft. by inches under pipe, plus 20% gives =yd' or *1.4= 15 ton 4) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 26.3 up + $1.7 downslope + 16.0 ends + 28.4 under rock =183 yd' or *1.4= 256 ton Pius 20% s) Loamy Cap: 46 ft. by 56 ft. 6" deep, plus 20% gives =yd" or *1.4= 81 ton i) Topsoil: 50 ft. by 60 ft. 6" deep, plus 20% gives FTTyd" or *1.4= 94 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and taws. Rusty 0 son -s Soil €t Perc 810 8/14/2018 esigner Signature Company License# Date