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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 2.7 <br />'_4 percent site slope (0-20% range) �(% downslope site slope, if different than upslope) <br />,5> 16 inches, or 1.3 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains F07inches of 0% soil credit, and F07inches of 50% soil credit. Giving a: <br />a, 16 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS! l! <br />,7) 27.0 ft.Totat ABSORPTION width (with sand beyond rockbed as follows:) <br />'s)K <br />ft. upslope and sides€ope <br />ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />>_q) 4:1 upslope ratio 11 ft. upslope berm <br />3os 4:1 sideslope 16 ft. sideslope berms <br />3l) 4:1 downslope 21 ft. downslope berm <br />7 Overall Dimensions: 10.0 1 ft. wide by 62.5 ft. long Rock bed <br />42 ft. wide by 95 ft. long Mound footprint <br />4" inspection pipe <br />r-- 18" cover on tap <br />Upslooe germ L11 <br />Downslope berm 21 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.3 Clean sand lift <br />_ _ 1.3 Depth to Limiting <br />Lim ftin Condition <br />Absorption Width -- <br />Note:_ <br />For 0 to 1% slopes, Ahsorption Width is measured from the &edequally in both directions. <br />For slopes >1%, Ahsorption Width is measured downhill from the upslope edge of the Bea'. <br />;; Rock Bed: <br />10.0 ft. by 62.5 ft. by ®inches under pipe, plus 20% gives FYI—]yd' or £1.4= 29 ton <br />i4) Mound Sand: (note: volume is based on 3-.1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />28.2 up + 72.5 downslope + 12.7 ends + 37,8 under rock =181 yda or "1.4= 254 ton <br />plus 20% <br />351 Loamy Cap: <br />38 ft. by 91 ft. 6" deep, plus 20% gives 77 yd' or X1.4= 10$ ton <br />3o1 Topsoil: <br />42 ft. by 95 ft. 6" deep, plus 20% gives 89 yd' or'1.4= 125 ton <br />hereby certify that I have completed this work in accordance with at[ applicable ordinances, rules and taws.. <br />Rusty Olson"s Soil Et Perc 810 6/16/2018 <br />igner Signature Company License# Date <br />