SEptic Design - Laserfiche WebLink

Home Browse Search

23 0.45 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 2.7 2-11 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 I) Treatment zone contains 0 inches of 0%soil credit, and 0 inches of 50% soil credit. Giving a: 26) 14 inch, or 1.2 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 27, 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 28) 0.0 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 201 4:1 upslope ratio 9 ft. upslope berm 0, 3:1 sideslope 13 ft. sideslope berms 31) 3:1 downslope 27 ft. downslope berm 32 Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed 46 ft. wide by 89 ft. long Mound footprint 4" inspection pipe 18" cover on top ,(Upslope berm 9 ) Downstope berm 27 12" cover on sides (6"loamy cap&6"topsoil) 1.2 z±:ng ( 1.8 1 Limiting C.cmdition —_ —— —.___ Absorption Width — — 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. 33, Rock Bed: 10.0 ft. by 63.0 ft. by 6 inches under pipe, plus 20%gives 21 yd'or*1.4= 29 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) 19.0 up + 81.7 downslope + 12.6 ends+ 41.2 under rock = 235 yd'or`1.4= 329 ton plus 20% 3;) Loamy Cap: 42 ft. by 85 ft. 6"deep, plus 20%gives 88 yd'or*1.4= 123 ton 30, Topsoil: 46 ft. by 89 ft. 6"deep, plus 20%gives 91 yd'or*1.4= 127 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. �P. Rusty Olson"s Soil ft Perc 810 11/20/2017 signer Signature Company License# Date