Septic Design 685 Pinehurst Ct - Laserfiche WebLink

Home Browse Search

31) 133) 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 1 2.7 percent site slope (0-20% range) (% 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 CERTIFICATIONSI ll 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 9 ft. upslope berm 4:1 sideslope 15 ft. sideslope berms 4:1 downslope 24 ft. downslope berm Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed 43 ft. wide by 1 93 ft. long Mound footprint 4" inspection pipe 18" cover on top Upslope berm 0.l 1� L Downslope berm 24 12" cover on sides (6" loamy cap &6" topsoil) 1.2 II Clean sand lift _ __ 1.8 Depth to Limiting Limiting_Condition _ _ _ _ _ Absorotion Width 27.0 Note: For 0 to 1% slopes, Absorption 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 63.0 ft, by ©inches under pipe, plus 20% gives 21 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) 21.7 up + 92.5 downslope + 13.9 ends + 37,7 under rock = F199 yd' or *1.4= 279 ton plus 20% Loamy Cap: 39 ft. by 89 ft. 6" deep, plus 20% gives Topsoil: 43 ft. by 93 ft. 6" deep, plus 20% gives I have comaleted this work in Rusty Olson's Soil fz Perc r Signature Company 78 yd' or *1.4= 109 ton 89 yd' or *1,4= 125 ton orainances, 810 5/22/2022 License# Date