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23i 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) 15 percent site slope (0-20% range) 15 (%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: -2„ 24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 7, 26.8 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) ,‘), 0.0 ft. upslope and sideslope 16.9 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 29) 4:1 upslope ratio 10 ft. upslope berm 30, 3:1 sideslope 16 ft. sideslope berms 31) 3:1 downslope 30 ft. downslope berm 32) Overall Dimensions: 9.9 ft. wide by 63.0 ft. long Rock bed 50 ft. wide by 95 ft. long Mound footprint 5- 4" inspection pipe 18" cover on top Ups(ape berm io Downslope berm 30 } ,, ... 4 tr .. •-12 cover on sides (6"loamy cap&6"topsoils 2.0 Clean sand lift ' 1.0 Depth to Limiting Absorption Width --- C 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 Rock Bed: 9.9 ft. by 63.0 ft. by 6 inches under pipe, plus 20%gives 21 yd'or*1.4= 29 ton 34r Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 36.0 up + 184.3 downslope + 22.2 ends+ 63.5 under rock = 367 yd'or*1.4= 514 ton plus 20% ., Loamy Cap: 46 ft. by 91 ft. 6"deep, plus 20%gives 93 yd'or*1.4= 130 ton 36) Topsoil: 50 ft. by 95 ft. 6"deep, plus 20%gives 106 yd'or*1.4= 148 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson"s Soil & Perc 810 3/22/2018 0-signer Signature Company License# Date