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31) <br />32) <br />35) <br />0.45 gpd/ftz Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.7 <br />0percent site slope (0-20% range) 0 (% downslope site slope, if different than upslope) <br />12 inches, or 1.0 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains=inches of 0% soil credit, and ©inches of 50% soil credit. Giving a: <br />24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratio 11 ft. upslope berm <br />3:1 sideslope 14 ft. sideslope berms <br />3:1 downslope 20 ft, downslope berm <br />Overall Dimensions: <br />berm <br />2.0 <br />1.0 <br />l_9rniting Condition <br />10.0 ft. wide by 62.5 ft. long Rock bed <br />41 ft. wide by 1 91 ft. long Mound footprint <br />4" inspection pipe <br />r-- 18" cover on top <br />Downslope berm 20 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />Clean sand lift <br />Depth to Limiting <br />-—`— Absorption Width 27.0 —`-- `I ------ <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Beo'equally in bath directions. <br />For slopes >1%, Absorption Wdth is measured downhill from the upslope edge of the Bed <br />Rock Bed: <br />10.0 ft. by 62.5 ft. by ©inches under pipe, plus 20% gives 21 yd' or -1.4= 29 ton <br />Mound Sand: (note: volume is based on 3:1 /4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />40.4 up + 97.8 downslope + 16.9 ends + 56.7 under rock = 254 yd' or �1.4= 356 ton <br />plus 20% <br />Loamy Cap: <br />37 ft. by 87 ft. 6" deep, plus 20% gives <br />36) Topsoil: <br />72 yd' or `1.4= 101 ton <br />41 ft. by 91 ft. 6" deep, plus 20% gives 83 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 9/14/2023 <br />esigner Signature Company License# Date <br />