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31i <br />1311 <br />0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.7 <br />percent site slope (0-20% range) 20 (% downslope site slope, if different than upslope) <br />18 inches, or 1.5 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains= inches of 0% soil credit, and =inches of 50% soil credit. Giving a: <br />18 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as fol(ows:) <br />0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratio 13 ft. upslope berm <br />4:1 sideslope 15 ft. sideslope berms <br />3:1 downslope 28 ft. downslope berm <br />Overall Dimensions: <br />Upslope berm = <br />10.0 ft. wide by 62.5 ft. long Rock bed <br />51 ft. wide by 1 93 ft. long Mound footprint <br />4" inspection pipe <br />r— 18" cover on top <br />1.5 II Clean sand lift <br />1.5 <br />Limiting Condition <br />---------------- <br />Depth to Limiting <br />Absorption Width <br />Downslope berm 28 <br />12" cover on sides <br />(6" loamy cap &6" topsoil) <br />27.0 -I-- - - ---- <br />Note: <br />For Oto 1% slopes, Absorp&67 Width is measured from the Bedequatly in .both directions. <br />For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed <br />Rock Bed: <br />10.0 ft. by 62.5 ft. by ®inches under pipe, plus 20% gives 21 yd' or -1.4= 29 ton <br />Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />36.2 up + 87.2 downslope + 10.8 ends + 37.0 under rock = 206 yd' or 1.4= 288 ton <br />plus 20% <br />3 r Loamy Cap: <br />47 ft. by 84 ft. 6" deep, plus 20% gives 93 ydj or *1.4= 1 3-0-1 ton <br />361 Topsoil: <br />51 ft. by 93 ft. 6" deep, plus 20% gives 105 .yd-' or *1.4= =ton <br />hereby rtify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br />Rusty Olson"s Soil ix Perc 810 6/16/2018 <br />esigner Signature Company License# Date <br />