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23) D.45 gpolft2 Absorption area Sail 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) I I (% 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=inches of 0% soil credit, and =inches of 50% soil credit. Giving a: <br />26) 22 inch, or 1.$ ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />28) O.D 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 14 ft. upslope berm <br />30) 4:1 sideslope 17 ft. sideslope berms <br />31) 4:1 downslope 21 ft, downslope berm <br />32) Overall Dimensions: i�! <br />ft. wide by 63.0 ft. long Rock bed <br />ft. wide by 97 ft. long Mound footprint <br />UDs(oue berm <br />LiMiting Candi <br />4" inspection pipe <br />r— 18" cover on top <br />14 <br />1.8 11 Clean sand lift <br />1 Depth to Limiting <br />i— _-__ _____ <br />Absorption Width <br />Downsloi)e berm 1 21 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />27.0 <br />Mote: <br />For 4 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1%, Absorptron Width is measured downhill from the upslope edge of the Bed <br />Rock Bed: <br />10.0 ft. by 53.0 ft. by ©inches under pipe, plus 20% gives 21 yds or "1.4= 29 ton <br />> Mound Sand: (note: volume is based on 3:114:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />47.2 up + 73.5 downslope + =ends + 46.3 under rock = F218 ydj or *1.4= F 305 lon <br />plus 20% <br />35) Loamy Cap: <br />41 ft. by 93 ft. 6" deep, plus 20% gives 85 yd' or '1.4=F-1-1 ton <br />36) Topsoil: <br />45 ft. by 97 ft. 6" deep, plus 20% gives =yd' or *1.4= F-1-3-6-1 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 & Perc 810 8/17/2021 <br />esigner Signature Company License# Date <br />