2021 Septic Design - Laserfiche WebLink

Home Browse Search

31) 0.6D 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 15 percent site slope (0-20% range) C (% 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 CERTIFICATIONSi! 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 0.0 ft. upslope and sideslope 10.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratio 10 ft. upslope berm 3:1 sideslope 17 ft. sideslope berms 4:1 downslope 34 ft. downslope berm Overall Dimensions: ko ft. wide by 50.0 ft. long Rock bed ft. wide by 84 ft. long Mound footprint 4" inspection pipe (— 18" cover on top berm 1 10 i 2.0 Clean sand lift _ 1,0 Depth to Limiting Lirnrtirti Condition---------�--_—_— Absorotion Width berm 34 12" corer on sides (6" loamy cap &6" topsoil) 20.0 ---_— ---•------ 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 F-5-6-5-1 ft. by inches under pipe, plus 20% gives =yd-' or *1.4= 24 ton 1 Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for foamy cap if desired) 31.4 up + 178.1 downslope + 22.5 ends + 50.E under rock =F -3 -40 - yd' or -1.4= 475 ton plus 20% 35) Loamy Cap: 50 ft. by 80 ft. b" deep, plus 20% gives 89 yd' or *1.4= 125 ton 36) Topsoil: 54 ft. by F84 ft. b" deep, plus 20% gives 101 yd' or *1.4= 141 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson's Soil 8L Perc 810 5/1/2021 Designer Signature Company License# Date