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0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of2.7 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.7 <br />241 15 percent site slope (0-20% range) 15 (% downslope site slope, if different than upslope) <br />'-sr 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 />101 inch, or 1.3 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTiFICATIONS1l± <br />'-7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />'s) 0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />ei 4:1 upslope ratio 8 ft. upslope berm <br />.oi 4:1 sideslope 19 ft. sideslope berms <br />ti 3:1 downslope 27 ft. downslope berm <br />Overall Dimensions: 10.0 1 ft. wide by 62.5 ft. long Rock bed <br />45 ft. wide by 101 ft. long Mound footprint <br />4" inspection pipe <br />18" cover on top <br />herrn27 <br />L,Downslope berm <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.3 Clean sand lift <br />1.3 — Depth to Limiting <br />- r <br />Lirnitin9 Condition —" ---- ---�— __ <br />_ Absorvtion Width 27.0 <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1`i4, Absorption Width 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 =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 />23.1 up + 142.7 downslope + F21.8ends + 48.2 under rock = 283 yd' or *1.4= 346 ton <br />plus 20% <br />Loamy Cap: <br />41 ft. by 97 ft. 6" deep, plus 20% gives 88 yd1 or *1.4= 123 ton <br />Topsoil: <br />45 ft. by 101 ft. 6" deep, plus 20% gives 101 yd' or *1.4= 141 ton <br />hereby certify <br />erSignature <br />I have completed this work in accordance with all applicable ordinances, rules an <br />Rusty Olson"s Soil Et Pert <br />Company <br />810 6/16/2018 <br />License# Date <br />