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�a� 0.60 gpd/ftZ Absorption area Soil Loading Rate, which gives a mourtd ratio of� (minimum) <br /> (this must match the soil boring log) desired mound ratio 2.0 <br /> =�i �8 percent site slope (0-20%range) �(�downsEope site slope,if different than upslope) <br /> �si 16 inches, or 1.3 ft.to Redox or other Umiting condition (need at least 12"to be a Type i) <br /> Treatment zone contains�inches of 0%soil credit,and Qinches of 50%soil credit. Giving a: <br /> �ei 20 inch,or t J ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> ��� 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> 'k� 0.0 ft. upslope and sideslope <br /> 10.0 ft.Downslope <br /> Individual slope retios give BERM widths(topsoil beyond rockbed)of: <br /> �c� 4:1 upslope ratio 11 ft.upslope berm <br /> ao� 3:1 sideslope 13 ft.sideslope berms <br /> i i 3:1 downslope 22 ft.downslope berm <br /> a�� Overall Dimensions: 10.0 ft.wide by 63.0 ft. long Rock bed <br /> 43 ft.wide by 89 ft. long Mound footprint <br /> 4"inspectlon pipe <br /> 18"cover on top <br /> U sto berm �� Downsio e berm 22 <br /> 12"cover on sides <br /> (6"bamy eap�6"topaoil} <br /> �,� Clean sand lift <br /> 1.3 Depth ro Limitin� <br /> ___— <br /> � <br /> Lfmiting �;�,�dition —'�— . <br /> _� __ <br /> Absor tion Wfdth 20.0 -- <br /> Note: <br /> For 0 to 19K slopes, Abs�arption W1'd!h is measured from the BPo'equatly in both directions. <br /> For slopes>1%, ,4bsorptlon WYdrh is measured downhit(from the upslope edge of the Beo! <br /> 33� 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 /> 3a} Mound Sand: (note:volume is based on 3:1/4:1 slope from top of rockbed,Exchange sand for loamy cap if desired) <br /> 32.3 up � 73.0 downslope + 13.4 ends+ 48.2 under rock= 200 yd'or•1,4= Zgp ton <br /> plus 20% <br /> ssi loamy Gap: <br /> 39 ft.by 85 ft. 6"deep,plus 20A;gives 74 yd'or•1.4= 104 ton <br /> 3ei Topsoit: <br /> 43 ft.by 89 ft. 6"deep,plus 20%gives gb yd'or•1.4= 120 ton <br /> 1 hereby cer ify that I have completed this work in accordance with all applicable ordinances,rutes and taws. <br /> ��r Rusty olson's Soil&Perc 810 1/9/2017 <br /> igner Signature Company License/i Date <br />