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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 />} 15 percent site slope (0-20% range) 15 (% downslope site slope, if different than upslope) <br />16 inches, or 1.3 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 />20 inch, or 1.7 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSll1 <br />7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />8) 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 9 ft. upslope berm <br />3) 3:1 sideslope 16 ft. sideslope berms <br />1) 3:1 downslope 29 ft. downslope berm <br />Overall Dimensions: ko <br />ft. wide by 63.0 ft. long Rock bed <br />ft. wide by 1 95 ft. long Mound footprint <br />4" inspection pipe <br />18" cower on top <br />Upstope berm 0 .I L' Downslope berm 29 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.7 Clean sand lift <br />_ _ _ _ _ 1.3 Depth to Limiting <br />Lirnitin _-------� <br />�onditiorr—_--_s-- _u— -I -- <br />r Absorption Width 1 27.0 <br />Note: <br />For 0 to 1% slopes, Absorption W&M is measured from the Bedequally in both directions. <br />For slopes 51%, Absorption WfdM is measured downhill from the upslope edge of the Bed. <br />i Rock Bed: <br />10.0 ft. by F 63.0 ft. by ®inches under pipe, plus 20% gives 21 yd' or "1.4= 2 97 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 />28.4 up + 158.8 downslope + 19.3 ends + 56.4 under rock =315 yd' or `1.4= 442 ton <br />plus 20% <br />Loamy Cap: <br />44 ft, by 41 ft. 6" deep, plus 20% gives <br />36) Topsoil: <br />89 yd' or *1.4= 125 ton <br />48 ft. by 1 95 ft. 6" deep, plus 20% gives102 yd' or "1.4= 143 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 Pere 810 7/22/19 revised <br />D s goer Signature Company License# Date <br />