09-26-2018 Septic Design - Laserfiche WebLink

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H F0.45gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 72.7 1 (minimum) (this must match the soil boring log) desired mound rat!o 2.7 10 percent site slope (0-20% range) 10 (% downstope site slope, if different than upslope) 14 inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains FO inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSI!! 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: 93:1 4:1 upslope ratioMft. upslope berm 3:1 sideslope ft. sideslope berms downslope ft. downslope berm Overall Dimensions: 10.0 ft. wide by [EY] ft. long Rock bed 38 ft. wide by ft. long Mound footprint U t)slope herrn 1 11 IJ Limiting Condition 4" inspection pipe x-'18" cover on top DownsloDe berm 1 17 12" cover on sides (6" loamy cap & 6" topsoil) Clean sand lift Depth to Limiting Absorption Width 27.0 ------ Note: - For 0 to 1% slopes, AbsorptloI2 Width is measured from the Bedequally in loth directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed Rock Bed: 10.0 Ift. by 25.0 ft, by ®inches under pipe, plus 20% gives ®yds or `1.4= =ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 20.0 up + F57.21downstope + 16.3 ends + 21.6 under rock = 138 yds or °1.4= 193 Iton plus 20% Loamy Cap: =ft. by =ft. 6" deep, plus 20% gives Topsoil: 38 I ft. by 55 ft. 6" deep, plus 20% gives I hereby certify that I have cc Designer Signature =yd' or "1.4- =ton 47 yd' or`1.4- 66 ton in accordance with all applicable ordinances, rules and laws. Rusty Olson"s Soil Et Perc Company 810 License# 5/15/2018 uare