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M <br />0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of2.7 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.7 <br />=percent site slope (0-20% range) = (% downslope site slope, if different than upslope) <br />=inches, or 1.2 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 />22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />F0 ft. upslope and sideslope <br />i�7.0ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratioIfli't. <br />ft, upslope berm <br />3:1 sideslope ft. sideslope berms <br />4:1 downslope downslope berm <br />Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br />B45 ft. wide by 89 ft. long Mound footprint <br />Upslope berm = <br />1 1.8 II <br />4" inspection pipe <br />r— 18" cover on top <br />Clean sand lift <br />1.2Depth to Limiting <br />Lirn?ting Condition ----------_— — <br />Absorption Width <br />rrn 1 22 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />27.0 — — — — `—I -- <br />Note: <br />For O to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1%, A,6sorptio17 Wdth is measured downhill from the upslope edge of the zed. <br />Rock Bed: <br />10.0 ft. by 63.0 ft. by inches under pipe, plus 20% gives =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 />40.1 up +83.3 downslope + 12.3 ends +48.6 under rock = F221 yd' or *1.4= F310 tan <br />plus 20% <br />Loamy Cap: <br />=ft. by 85 ft. 6" deep, plus 20% gives 78 yd' or *1.4= =ton <br />Topsoil: <br />45 Ift. by F 89 ft. 6" deep, plus 20% gives 7897yd' or *1.4= F125 ton <br />[ hereby ce�ify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br />Rusty Olson"s Soil Et Perc 810 11/7/2017 <br />Signature Company License# Date <br />