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23) 0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of (minimum) <br />(this must match the soil boring log) desired mound ratio 2.0 <br />24) 11 percent site slope (0-20% range) 11 (% downslope site slope, if different than upslope) <br />25) 14 inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains =0 inches of 0% soil credit, and =inches of 50% soil credit. Giving a: <br />26) 22 inch, or F1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27) 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />28) 10.0 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 10 ft. upslope berm <br />30) 3:1 Isidestope 14 ft. sideslope berms <br />31) 1 3:1 IdownsLope 21 ft, downslope berm <br />Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br />41 ft. wide by 91 1 ft. long Mound footprint <br />4" inspection pipe <br />18" cover on top <br />U slope berm 10 Downslope berm 21 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.8 Clean sand lift <br />_ 1,2 Depth to Limiting <br />Limiting Condition ---- ---- <br />Absorption Width 2o.D _ — ` _ — - - - <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes ?1 %, absorption Width is measured downhill from the upslope edge of the Bed <br />33) Rock Bed: <br />10.0 ft. by 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 />34.3 up + 109. Ddownslope + =ends + F-55.-61 under rock = 259 yd' or `1.4= 363 ton <br />plus 20% <br />35) Loamy Cap: <br />37 ft. by 87 �ft. 6" deep, plus 20% gives =yd' or -1.4= 101 ton <br />36) Topsoil: <br />41 ft. by 91 ]ft. 6" deep, plus 20% gives =yd' or `1.4= 116 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 Perc 810 2/20/2023 <br />,_pyel;igner Signature Company License# Date <br />