05-19-2021 Septic Design - Laserfiche WebLink

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0.45 gpd/ftz 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 �6 percent site slope (0-20% range) �(% downslope site slope, if different than upslope) 18 inches, or 1.5 ft. to Redox or other limiting condition (need at Least 12" to be a Type 1) Treatment zone contains F07inches of 0% soil credit, and inches of 50% soil credit. Giving a: 18 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) s) 0.0 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 9) 4:1 upslope ratio 11 ft. upslope berm 0) 4:1 sideslope 16 ft. sideslope berms 1) 4:1 downslope 22 ft. downslope berm Overall Dimensions: 10.0 ft. wide by 62.5 ft. long Rock bed 43 ft. wide by 1 95 ft. long Mound footprint 4" inspection pipe 1 " cover on top Jp^slope berm 11 ,I D Downslow berm 22 12" cover on sides (6" loamy cap 8, 6 tr_ipsrili 1.5 Clean sand lift Vo L: rr tinF,, Absorption Width Note: Fort} to 1% slopes} Absorptioir i 'ira`fb is measured from the Bedequally in both directions. For slopes >1%, Absoyptioi7 W&17 is measured downhill from the upslope edge of the Bod Rock Bed: 10.0 ft. by 6Z.5 ft. byinches under pipe, plus 20% gives 28 yd' or X1.4= 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) 32.3 up + 81.0 downslope + 14.2 ends + 41.7 under rock = 203 yd' or *1.4= 284 ton plus 20% s) Loamy Cap: 39 ft. by 91 ft. 6" deep, plus 20% gives 79 ydy or -1.4= 111 ton 6) Topsoil: 43 ft, by 95 ft. 6" deep, plus 20% gives 91 yds or "1.4= F127 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws_ 12/15/2017 Designer Signature Company License# Date