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3) 0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of2.7 (minimum) <br />(this must match the soil boring tog) desired mound ratio 2.7 <br />4apercent site slope (0 20% range) 10 (% downslope site slope, if different than upslope) <br />sj 16 inches, or 1.3 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone containsF =inches inches of 0% soil credit, and inches of 50% soil credit. Giving a: <br />61 20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />>> 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />si 0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />IN <br />upslope ratio 13 ft. upslope berm <br />sideslope 12 ft. sideslope berms <br />1) downslope 1 20 Ift. downstope berm <br />Overall Dimensions: 10.0 ft. wide by 50.0 ' ft. long Rock bed <br />43 ft. wide by 1 74 1 ft. long Mound footprint <br />Umloue Berm <br />Limiting con <br />4" inspection pipe <br />r— '18" cover on top <br />13 <br />1.7 Clean sand lift <br />IL. 3j Depth to Limiting <br />--------------- <br />r Absorption Width <br />Downslope berm 20 <br />12" cover on sides <br />(6" loamy rap & 6" topsril) <br />27.0 ------ 1— —_— <br />Dote; <br />For 0 to 1% slopes, Ahsorptlol? WI&M is measured from the Bedegualty in both directions. <br />For stapes >1%, Absorptfon Wfdth is measured downhill from the upslope edge of the fid. <br />Rock Bed: <br />10.0 ft. by 50.0 ft. by inches under pipe, plus 20% gives 17 yd' or *1.4- 24 ton <br />Mound Sand: (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />31.0 up + 47.5 downslope + 9.8 ends + 33.6 under rock = 146 yd' or *1.4= 205 ton <br />plus 20% <br />Loamy Cap: <br />39 ft. by [=ft. 6" deep, plus 20% gives <br />Topsoil: <br />=ft. by =ft. 6" deep, plus 20% gives <br />I hereby certify that I have <br />Signature <br />work in accordance <br />Rusty Olson's Soil ft Perc <br />Company <br />61 yd' or *1.4= EEiton <br />71 Yd' or *1.4= 99 ton <br />applicable ordinances, rules a <br />810 12/19/2017 <br />License# Date <br />