2017 MPCA Soil and Percolation Testing

Home Browse Search

23i 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 24) percent site slope (0-20% range) F-5 ](%downslope site slope, if different than upstope) s) 18 inches, or =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: 26) 18 inch, or =ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS IN 27) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 16) 0.0 ft. upstope and sidestope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoit beyond rockbed)of: 29) 4:1 upstope ratio12 ft. upstope berm 30 4:1 sideslope 16 ft. sideslope berms )i 4:1 downslope 21 ft. downslope berm 32) Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed 43 ft. wide by 95 ft. long Mound footprint 4" inspection pipe 18" cover on top U slope berm ='I Downslope berm 21 12" cover on sides (6"loamy cap&6"topsoil) 1.5 dean sand lift 1.5 Depth to Limitiog ILI Absorption Width 27.0 Note: For 0 to t%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 inches under pipe, plus 20%gives21 yd'or"1.4= 29 ton 34) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 33.5 up + 72.5 downslope + 13.3 ends+ 40.8 under rock= 192 yd'or`1.4= 269 ton plus 20% ;;, Loamy Cap: 39 ft. by 9t ft. 6"deep, plus 20%gives 79 yd'or`1.4= 1-1 17 ton 36) Topsoil: 43 ft. by 95 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. Rusty olson's Soil Et Perc 810 7/7/2017 finer Signature Company License# Date