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_ 0.45 gpd/ft` Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 �minimuml <br /> Ithis must match the soil boring log� desired mound ratio 2.7 <br /> ,�� t1 percent site slope (0-20� range► 11 (�downstope site slope, 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 Ow� soil credit, and �inches of 50� soil credit. Giving a: <br /> =�� 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> _- 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:I <br /> =4 0.0 ft. upslope and sideslope <br /> 17.0 ft. Downslope <br /> Individual slope ratios give BERM widths (topsoil beyond rockbedi of: <br /> 4:1 upstope ratio 11 ft. upslope berm <br /> ���� 3:1 sideslope 15 ft. sideslope berms <br /> ;i� 4:1 downslope 30 ft. downslope berm <br /> _ Overall Dimensions: 10.0 ft. wide by 63.0 ft. tong Rock bed <br /> St ft. wide by 93 ft. tong Mound footprint <br /> 4" inspection pipe <br /> 18' cover on top <br /> U slope berrr� �� Downsla e berm 30 <br /> 12" cover on sides <br /> .- =�l ' -�.� f ti��loamy cap&o"topsoil) <br /> Z.p Cle�n sand lift <br /> 1.0 <br /> ~\ <br /> Absor tion Width Z�•� <br /> Note: <br /> For 0 [0 1� stopes, Abso�ption Wrdth is measured from the BPdequally in boch directions. <br /> For slopes �1�, Abso�ption Width is measured downhilt from the upslope ed�e o( 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 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br /> 39.4 up + 188.9 downslope + 18.7 ends � 59.5 under rock = 327 yd' or'1.4= 458 ton <br /> plus 20% <br /> ��� Loamy Cap: <br /> 47 ft. by 89 ft. 6"deep, plus 20%gives 93 yd or'1.4= 130 ton <br /> � TopsoiL <br /> 51 ft. by 93 ft. 6"deep, plus 20%gives 106 yd'or'1.4= 148 ton <br /> I hereby certify that I have completed this work in accordance with all applicable ordi�ances, rutes and taws. <br /> / Rusty otson's Soil& Perc 810 2/7/2017 <br /> signer Signature Company License# Date <br />