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23) 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 />_'di 15 percent site slope (0-20% range) 15 (% downslope site slope, if different than upslope) <br />�i 18 inches, or =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 5inches of 50% soil credit. Giving a: <br />26 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSI!I <br />27) ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />1-81 Nft. <br />ft. upslope and sideslope <br />Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />}9� 41 upslope ratio 9 ft. upslope berm <br />ny 4:1 sideslope 20 ft. sideslope berms <br />31 3:1 downslope 30 ft. downslope berm <br />Overall Dimensions: 10.0 1 ft. wide by 62.5 ft. long Rock bed <br />49 ft. wide by 103 ft. long Mound footprint <br />4" inspection pipe <br />18" cover on top <br />iJpslope berm 0 J 1� b Downslope berm 30 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.5 Clean sand lift <br />_ _ _ 1.5 Depth to Limiting <br />IL imitilig Condition <br />AbsorDtion Width z7.0 <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the 6ed'equaLly in both directions. <br />For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed. <br />331 Rock Bed: <br />10.0 ft. by 62.5 ft. by inches under pipe, plus 20% gives =yd' or *1.4= 29 ton <br />34) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />27.1 up + 158.7 downslope + 23.7 ends + 52.1 under rock = 314 ]yd3 or *1.4= 439 ton <br />plus 20% <br />Loamy Cap: <br />45 ft, by 99 ft. 6" deep, plus 20% gives 99 yd' or *1.4= 139 ton <br />3f) Topsoil: <br />49 ft. by 103 ft. 6" deep, plus 20% gives 112 yd' or *1.4= 157 ton <br />I hereby l at 1 have completed this work in accordance with all applicable ordinances, rules and 'laws. <br />Rusty Olson"s Soil Ft Perc 810 6/18/2018 <br />finer Signature Company License# Date <br />