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23) 0.60 gpd/ft2 Absorption area Soft Loading Rate, which gives a mound ratio of 2 <br /> (minimum) <br /> (this must match the soil boring log) desired mound ratio 2.0 <br /> 24) 10 percent site slope (0-20%range) 10 (%downslope site slope, if different than upslope) <br /> 25) 28 inches, or 2.3 ft. to Redox or other limiting condition (need at least 12"to be a Type 1) <br /> Treatment zone contains 0 !nches of 0%soil credit, and EO Inches of 50%soil credit. Giving a: <br /> 26) 12 inch, or 1.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSI I! <br /> 27) 20.0 ft.Totat ABSORPTION width (with sand beyond rockbed as follows:) <br /> 28) 0.0 ft. upstope and sidestope <br /> 10.0 ft. Downslope <br /> Individual slope ratios give BERM widths(topsoil beyond rockbed)of: <br /> 29) 4:1 upstope ratio 9 ft. upstope berm <br /> 30) 3:1 sidestope 12 ft. sidestope berms <br /> 31) 3:1 downslope 20 ft. downslope berm <br /> 32) Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br /> 39 ft. wide by 87 ft. tong Mound footprint <br /> 4"inspection pipe <br /> 18" cover on top <br /> Upslope berm 0 Downslo2j berm 20 <br /> -12" cover on sides <br /> (6"loamy cap&6"topsoil) <br /> 1.0 Clean sand lift <br /> _ 2.3 depth to Limiting <br /> limiting Condition <br /> Absor tion Width 20.0 —_`—_ — -- ____ <br /> _Note: <br /> For 0 to 1%slopes, Absorption 470Th is measured from the Bedequally in both directions. <br /> For slopes >1%, Absorpl'lon JW1dth is measured downhill from the upstope edge of the Bed. <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 /> 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 /> 16.7 up + 57.9 downslope + 10.0 ends+ 35.0 under rock= 144 yd'or-1.4= 201 ton <br /> plus 20% <br /> 35) Loamy Cap: <br /> 35 ft. by 83 ft. 6"deep, plus 20%gives 65 yd'or*1.4= F 91 ton <br /> 36! Topsoil: <br /> 39 ft. by 87 ft. 6-deep, plus 20%gives 76 yd'or*1.4= 106 ton <br /> I hereby certify that 1 have completed this work in accordance with all applicable ordinances, rules and taws. <br /> <!` Rusty otson's Soil li Perc 810 9/6/2017 <br /> signer Signature Company License# Date <br />