06-20-2018 Septic Design - Laserfiche WebLink

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0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of2.7 (minimum) (this must match the soil boring log) desired mound ratio 1 2.7 --]percent site slope (0-20% range) 12 (% downslope site slope, if different than upslope) 's =inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone containsF—o inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 2(,) 22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! _ 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 281ft. upslope and sideslope P'70ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: -y) 4:1 upslope ratio lift. ft. upslope berm 3oi 3:1 sideslope ft. sideslope berms 3:1 downslope downslope berm Overall Dimensions: 10.0 1 ft. wide by 63.0 ft. long Rock bed 44 ft. wide by 93 ft. long Mound footprint 4" inspection pipe 18" cover on top Upslope berm =Rl 1� U Downslope berm 24 12" cover on sides (6 " loamy cap & 6" topsoil) 1.8 11 Clean sand lift 1.2 — Depth to Limiting limiting Condition —`------- — — AbsorDtion Width 27.0 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. i Rock Bed: 10.0 ft. by 63.0 ft. by ®inches under pipe, plus 20% gives 21 yd' or'1.4= 29 tan ;. ) Mound Sand: (note: volume is based on 3:1 /4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 34.1 up + 122.9 downslope + 18.1 ends + F56.8under rock = 278 yd' or "1.4= 390 ton plus 20% _ Loamy Cap: 40 ft. by 89 ft. 6" deep, plus 20% gives ,c,: Topsoil: 44 ft. by 93 ft. 6" deep, plus 20% gives I hereby certify that I have gnature work in accordance with all 80 yd' or "1.4= =ton =Yd' or *1.4= 127 ton ordinances, rules and laws. Rusty Olson"s Soil Ft Perc 810 Company License# 6/19/M1R .QLC