07-16-2018 Planning Commission Packet

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'3, 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 1 2.7 4) 11 percent site slope (0.20% range) i 1 (% downslope site slope, if different than upslope) si 18 inches, or 1.5 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains r 70inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 6) 1$ inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 71 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 8) 0.0 ft. upslope and sidestope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratio 0 ft. upslope berm o) 4:1 sidestope 18 ft, sidestope berms )) 4:1 downslope 33 ft. downslope berm Overall Dimensions: 10.0 1 ft. wide by 62.5 ft. long Rock bed 43 ft. wide by 99 ft. long Mound footprint 4" inspection pipe 18" cover on top U pslope berm 0 ,,, Downslope bene 33 12" cover on sides (6" louay cap & 6" topsoil) 1.5 Clean sand lift _ _ 1.5 Depth to Limiting Limiting Condition — — _ — Absorption Width — 027. ----- Note: For 0 to 1% slopes, A6sorptian Width is measured from the Bedequally in bath directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed Rock Bed: 10.0 ft. by 62.5 ft. by ®inches under pipe, plus 20% gives 21 yd' or *1.4= 29 ton ) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 29.1 up + 155.1 downslope + 19.2 ends + 47.5 under rock =F301 yd' or *1.4= 421 ton plus 20% Loamy Cap: 39 ft. by 95 ft. 6" deep, plus 20% gives 82 yd' or *1.4= 115 ton Topsoil: 43 ft. by 99 ft. 6" deep, plus 20% gives 95 yd' or *1.4= 133 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson"s Soil ft Perc 810 6/16/2018 igner Signature Company License# Date