12-06-2017 Septic Design - Laserfiche WebLink

Home Browse Search

D.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 1 2.7 11 percent site slope (0-20% range) 11 (% 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 EE]inches of 50% soil credit. Giving a: 14 inch, or 1.2 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!I! 7ft.Total ABSORPTION width (with sand beyond rockbed as follows:) s 0.0 ft. upslope and sideslope 17.D ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: upslope ratioT ft. upslope berm 3:1 sideslope ft, sideslope berms 4:1 downslope ft. downslope berm Overall Dimensions berm F birnitirig— Cvndi 10.0 ft. wide by 63.0 ft. long Rock bed 49 ft. wide by 89 1 ft. long Mound footprint 4" inspection pipe t--- 18" cover on top 9 1.2 Clean sand lift 1.8 Depth to Limiting AbsorDtion Width bean 1 30 12" cover on sides (6" loamy cap & 6" topsoil) 27.0---,��--_,_-,. `— Note: For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. For slopes >1%, Absorption Wldth is measured downhill from the upslope etre of the Bed Rock Bed: 10.0 ft, by 63.0 ft. by inches under pipe, plus 20% gives 21 yds or *1.4= 29 ton Mound Sand: (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 19.6 up + 114.3 downslope +11.9 ends + 4D.1 under rock = 223 yds or "1.4= 312 ton plus 20% Loamy Cap: 45 ft. by 85 ft. 6" deep, plus 20% gives 6 Topsoil: 49 ft. by 89 ft. 6" deep, plus 20% gives I hereby certify that I have completed this work in accordance Rusty Olson"s Soil €t Perc esigner Signature Company =yd' or *1.4= 119 ton 97 yds or *1.4= 136 ton all applicable ordinances, rules and laws. 810 12/6/2017 License# Date