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• <br /> 223) 0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2 (minimum) , <br /> (this must match the soil boring log) desired mound ratio 2.0 <br /> 24) 4 percent site slope (0-20%range) 10 (%downslope site slope, if different than upslope) <br /> 25) 16 inches, or 1.3 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 /> 26) 20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> 27) 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows: <br /> 28) 0.0 ft. upslope and sideslope <br /> 10.0 ft. Downslope <br /> individual slope ratios give BERM widths (topsoil beyond rockbed)of: <br /> 29) 4:1 upslope ratio 13 ft. upslope berm <br /> 30) 3:1 sideslope 12 ft. sideslope berms <br /> 3)) 3:1 idownstope 17 ft. downslope berm <br /> 32) Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 40 ft.wide by 87 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18"cover on top <br /> k Upsiope berm 13 ;* Downslope berm 17 <br /> =mins <br /> ifiifiii P 12" cover on sides <br /> • (6"loamy cap&6"topsoil) <br /> 1.7 Clean sand Lift <br /> 1.3 Depth to Limiting <br /> Limiting Condition --------- — _ <br /> t Absorption Width~f 20.0 j'__` _ <br /> Note: <br /> For 0 to 1%slopes,Absorption Width is measured from the 5w/equally in both directions. <br /> For slopes >1%, Absorption MN9'dth is measured downhill from the upstope edge of the Bed. <br /> 33) Rock Bed: <br /> 10.0 ft. by 63.0 ft.by 6 inches under pipe, plus 20%gives 21 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 /> 35.9 up + 60.5 downslope + 10.4 ends+ 43.6 under rock 1180 yd'or'1.4- 253 ton <br /> plus 20% <br /> 35) Loamy Cap: <br /> r 36 ft. by 83 ft. 6"deep, plus 20%gives 67 yd'or"1.4- 94 ton <br /> 36t Topsoil: <br /> [ 40 ft. by r 87 ft. 6"deep, plus 20%gives l 78 yd'or'1.4.= 109 ton <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> Rusty Olson"s Soil Et Pert 810 12/4/2017 <br /> gner Signature Company License/ Date <br />