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23 D.45 gpd/ftz 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 1 2.7 <br />20 12 percent site slope (0-20% range) 12 (% downslope site slope, if different than upslope) <br />'Si 20 inches, or 1.7 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, andinches of 50% soil credit. Giving a: <br />16 16 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTiFICATIONSi l± <br />27) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />28) 0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />upslope ratio 9 ft. upslope berm <br />30) 3:1 sideslope 14 ft. sideslope berms <br />1 3:1 downslope 3D ft. downslope berm <br />132} <br />Overall Dimensions: <br />UDslooe berm I 9 <br />1.3 <br />_1 1.7 <br />lir19 Condition <br />10.0 ft. wide by 63.0 ft. long, Rock bed <br />49 ft. wide by 1 91 ft, long Mound footprint <br />4" inspection pipe <br />(-- 18" cover on top <br />Clean sand lift <br />Depth to Limiting <br />---------------- <br />Absorption Width <br />berm 30 <br />12" cover on sides <br />(6" loaray cap & 6" topsoil) <br />27.0--�—__ I-- — - - <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1%, Absorption 1Wfdthis measured downhill frorn the upslope edge of the Bed. <br />Rock Bed: <br />10.0 ft. by 63.0 ft. by ®inches under pipe, plus 20% gives 21 yd' or X1.4= 24 ton <br />;4i Mound Sand: (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />22.6 up + 92.2 downslope + 13.9 ends + 45.1 under rock =208 yd' or £1.4= 292 ton <br />plus 20% <br />3;) Loamy Cap: <br />45 ft. by 87 ft. 6" deep, plus 20% gives =yd-' or x`1.4= 122 ton <br />Topsoil <br />49 ft. by 91 ft. 6" deep, plus 20% gives 100 yd' or "1.4= 14D ton <br />I hereby c tify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br />Rusty Olson"s Soil ft Perc 810 6/11/2018 <br />esigner Signature Company License# Date <br />