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223) 0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) (this must match the soil boring log) desired mound ratio 2.7 24) 5 percent site slope (0-20% range) 5 (% downslope site slope, if different than upslope) 25) 12 inches, or 1.0 ft. to Redox or other limiting condition (need at least 12"to be a Type I) Treatment zone contains 0 inches of 0% soil credit, and 0 inches of 50% soil credit. Giving a: 26) 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 27) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 28) 0.0 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 29) 4:1 upslope ratio 13 ft. upslope berm 30) 4:1 sideslope 18 ft. sideslope berms 31) 4:1 downslope 23 ft. downslope berm 32) Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed 46 ft. wide by 99 ft. long Mound footprint 4' inspection pipe 18" cover on top {Upslope berm 13 Downslope berm 23 } d 12" cover on sides (6"loamy cap&6"topsoil) 2.0 Clean sand lift 1.0 1 � Absorption Width 127.0 Note_ : For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed 33) Rock Bed: 10.0 ft. by 63.0 ft. by 9 inches under pipe, plus 20%gives 28 yd'or*1.4= 39 ton 34) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 50.5 up + 103.2 downslope + 18.1 ends + 52.5 under rock = 269 yd3 or*1.4= 377 ton plus 20% 35) Loamy Cap: 42 ft. by 95 ft. 6" deep, plus 20%gives 89 yd'or*1.4= 125 ton 36) Topsoil: 46 ft. by 99 ft. 6"deep, plus 20%gives 102 yd'or*1.4= 143 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. 12/12/2017 Desi ner Signature mpany License# Date