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:a� 0.78 gpd/ft� Absorption area Soil Loading Rate, which gives a mound ratio of 1.5 (minimum) <br /> (this must match the soil boring log) desired mound ratio 1.$ <br /> �y� 12 percent site slope (0-20%range) 15 (%downslope site slope, if different than upslope) <br /> z�, 24 inches, or 2.0 ft. to Redox or other limiting condition (need at least 12"to be a Type I) <br /> Treatment zone conWins�O inches of 0%soit credit, and �tnches of 50;K soil credit. Giving a: <br /> zc�� 12 inch, or 1.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> z�� 15.0 ft.Total ABSORPTION width (with sand beyond rakbed as follows:} <br /> 'K� 0.0 ft. upstope and sidestope <br /> 5.0 ft. Downslope <br /> Individual slope ratios give BERM widths (topsoil beyond rockbed)of: <br /> �U� 4:1 upslope ratio 8 ft. upslope berm <br /> ao� 3:1 sideslope 13 ft. sideslope berms <br /> z�� 3:1 downslope 23 ft. downslope berm <br /> ;�� Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 41 ft. wide by 89 ft. tong Mound footprint <br /> 4" inspection pipe <br /> 18" cover on top <br /> U sl berm 0 p�� �� 23 <br /> 12" cover on sides <br /> (6"bemy cap�6"topooilJ <br /> �.� Ctean sand lift � <br /> Y 2,p Depth to Limiting <br /> Lim�ting Cond�tr`on �--�-- ----_—_ <br /> Absor tion Width ! t 5.0 `—--— ——— _______ <br /> Note: <br /> For 0 to 19K slopes, .4b�sorptian W1'drh is measured from the B�dequally in both directions. <br /> For stopes >1�, �arpt/on 1�N'd�h is meawred dovvnhill from the upstope edge of the Bed. <br /> s3, Rock Bed: <br /> 10.0 ft. by 63.0 ft. by �inches under pipe, ptus 20%gives 21 yd'or"1.4- 29 ton <br /> 3�� Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Ettchange sand for loamy cap if desired) <br /> 16.2 up + 87.4 downslope + 11.4 ends+ 37.3 under rock= 183 yd'or•1.4= 256 ton <br /> p[us 20% <br /> ;>� Loamy Cap: <br /> 37 ft. by 85 ft. 6"deep, plus 20%gives 70 yd'or•1.4= 98 ton <br /> 3e� TopsoiL• <br /> 41 ft. by 89 ft. 6"deep, plus 20%gives 82 yd'or"1.4= 115 ton <br /> I hereby certify that I have completed this worlc in accordance with all applicable ordinances, rules and laws. <br /> Rusty olson's Soil f�Perc 810 7/7/2017 <br /> signer Signature Company License# Date <br />