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�>� 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 /> ��� �5 percent site slope (0-20% range) �5 (%downstope site stope, if different than upstope) <br /> ��� 12 inches, or 1.0 ft. to Redox or other limiting condition (need at least 12"to be a Type I) <br /> Treatment zone contains�0 inches of 0%soil credit, and �0 inches of 50%soil credit. Giving a: <br /> �c�� 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> ��i 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br /> 's� 0.0 ft. upslope and sideslope <br /> 17.0 ft. Downstope <br /> individual slope ratios give BERM widths (topsoit beyond rockbed) of: <br /> ��>> 4:1 upslope ratio 13 ft. upslope berm <br /> ;��; 3:1 sideslope 14 ft. sideslope berms <br /> >>� 4:1 downslope 23 ft. downslope berm <br /> ��i Overall Dimensions: 10.0 ft. wide by 50.0 ft. long Rock bed <br /> 46 ft. wide by 78 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" cover an top <br /> U stope berrn 13 Downslo e berm 23 <br /> 12" cover on sides <br /> (6„1�amy cap Sc 6"topsoil) <br /> 2.0 Clean sand tift �-..� <br /> _ 1.0 ` Depth ta Limitin� <br /> Limfting Condition —"--- ----...-___ <br /> Absor tion Width � z�.o ---��'� ---�-_---�.__ <br /> Note: <br /> For O ta 1�6 slopes, Absorption Width is measured from the Bedequatly in both directions. <br /> For slopes >1%, ,4bsorPtion Widthis measured downhill from the upslope ed�e of the Bed. <br /> >>> Rock Bed: <br /> 10.0 ft. by 50.0 ft. by �inches under pipe, plus 20%gives 17 yd'or•1.4= 24 ton <br /> ��, Mound Sand: (note: volume is based on 3:1/4:1 stope from top of rockbed, Exchange sand for loamy cap if desired) <br /> 38.9 up + 79.4 downslope + 13.6 ends + 41.7 under rock= 208 yd'or*1.4= 292 ton <br /> plus 20% <br /> »� Loamy Cap: <br /> 42 ft. by 74 ft. 6"deep, plus 20%gives 7p yd'or'1.4= 98 ton <br /> ��., Topsoil: <br /> 46 ft. by 78 ft. 6"deep, plus 20%gives 80 yd'or*1.4= 112 ton <br /> I hereby� fy that I have completed this work in accordance with alt applicable ordinances, rutes and laws. <br /> ,� <br /> .r' �"�.--,... <br /> Rusty Olson"s Soit Fr Perc 810 2/1/2018 <br /> ,�' esigner Signature Company License# Date <br />