Laserfiche WebLink
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 />15 percent site slope (0-201% range) 15 (% downslope site slope, if different than upslope) <br />14 inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone contains07inches of 0% soil credit, and ®inches of 50% soil credit. Giving a: <br />22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSIIi <br />7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />3) 0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />upslope ratio 10 ft. upslope berm <br />D) 3:1 sideslope 16 ft. sideslope berms <br />1) 3:1 downslope 30 ft, downslope berm <br />Overall Dimensions: 10.0 ft. wide by 1 62.5 ft. long Rock bed <br />50 ft. wide by 95 ft. long Mound footprint <br />4" inspection pipe <br />18°' cover on top <br />/upslope berm = N. Dova'slo e berm 30 <br />12" cover on sides <br />(6" loamy sap & 6" topsoil) <br />1.8 Clean sand lift <br />1.2 _ Depth to Limiting _4 <br />ir,g Condition - - - - - <br />Absorotion Width 27.0 <br />Note: <br />For 0 to 1% slopes, Absafption Width is meascIred from the BedegUally in both directions-. <br />For slopes >1%, Absarptioo Wdth is measured downhill from the upslope edge of the Ben! <br />Rock Bed: <br />1Q.0 ft. by 62.5 ft. by inches under pipe, plus 20% gives =yd-' or *1.4= 29 ton <br />34) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />31.9 up + 170.8 downslope + 20.9 ends + 59.8 under rock = F340ydj or *1.4= 476 ton <br />plus 20% <br />Loamy Cap: <br />4b ft. by 91 ft. 6" deep, plus 20% gives 93 yd' or *1.4= 130 ton <br />Topsoil: <br />5Q ft. by 95 ft. 6" deep, plus 20% gives 105 yd3 or *1.4= 147 ton <br />hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br />Rusty Olson"s Soil Ct Perc 810 3/27/2019 <br />esigner Signature Company License# Date <br />