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3} 0.45 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 />4) percent site slope (0-20% range) (% downslope site slope, if different than upslope) <br />s) 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 El inches of 0% soil credit, and =inches of 50% soil credit. Giving a: <br />6) 16 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />B) 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 10 ft. upslope berm <br />D) 3;1 sideslope 12 ft. sideslope berms <br />i) 4:1 downslope 22 ft. downslope berm <br />s) <br />Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br />42 ft. wide by 187 ft. long Mound footprint <br />4" inspection pipe <br />18" cover on top <br />berm 10 .l b Downslope berm F 22 <br />.-12" cover on sides <br />(6" losmy cap & 6" topsoil) <br />1.3 Ctean sand lift <br />1.7 _ Depth to Limiting <br />tiTmiting CQndittQn----------.--- __ <br />Absorption Width _ 27.0 -----` — — — — — <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally 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 63.0 ft. by inches under pipe, plus 20% gives 21 yd' or *1.4= 29 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 />24.9 up + 74.8 downslope + 10.Z ends + 39.3 under rock =179 yds or *1.4= F251 ton <br />plus 20% <br />Loamy Cap: <br />38 ft. by 83 ft. 6" deep, plus 20% gives <br />Topsoil: <br />42 ft. by 87 ft. 6" deep, plus 20% gives <br />I hereby certify that I have completed this work in acco <br />esigner Signature <br />Rusty Olson"s Soil ft Perc <br />Company <br />71 yd' or *1.4= 99 ton <br />82 yd' or *1.4= 115 ton <br />with all applicable ordinances, rules and laws. <br />ucenseff <br />5/29/2(119 <br />va[e <br />