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23) 0.45 gpd/ft2 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 1 2.7 <br />24) percent site slope (0-20% range) �''(% downslope site slope, if different than upslope) <br />25) 18 inches, or 1.5 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 />26) 18 inch, or 1.5 ft, Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSIII <br />27) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />28) 0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />29) 4:1 upslope ratio 11 ft. upslope berm <br />30) 4:1 sideslope 17 ft. sideslope berms <br />31) 4:1 downslope 23 ft. downslope berm <br />Overall Dimensions: 10.0 ft. wide by 62.5 ft, long Rock bed <br />B44 ft. wide by 97 1 ft. long Mound footprint <br />Upslope berm <br />I,Ifniting Condi <br />4" inspection pipe <br />r— 18" cover on top <br />1f <br />1.5 Clean sand lift <br />1.5 Depth to Limiting <br />r-`--------------- <br />Absorotion Width <br />12" cover on sides <br />(6" loamy cap & b" topsoil) <br />27.0 1----- -I-- ------ <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in troth directions. <br />For slopes }1%, Ahsorption Wdtfris measured downhill from the upslope edge of the &od <br />Rock Bed: <br />1fl.0 ft. by 62.5 ft. by inches under pipe, plus 20% gives =yd' or *1.4= 29 ton <br />Mound Sand: (note: volume is based on 3:114:1 s€ope from top of rockbed, Exchange sand for loamy cap if desired) <br />32.0 up +93.3 downslope + 15.2 ends + 42.8 under rock = 220 ]yd3 or *1.4= 308 ton <br />plus 20% <br />Loamy Cap: <br />40 ft. by 93 ft. 6" deep, plus 20% gives 83 yd' or *1.4= 116 ton <br />Topsoil: <br />44 ft. by 97 ft, 6" deep, plus 20% gives95 yd' or *1.4= 133 ton <br />that I have com <br />r Signature <br />wo <br />Rusty Olson's Soil It Perc <br />Company <br />all applica <br />810 <br />License# <br />nces, rules an <br />2/8/2021 <br />Date <br />