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133 ) <br />s) <br />0.45 gpd/ftz 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 2.7 <br />percent site slope (0-20% range) 0 (% downslope site slope, if different than upslope) <br />12 inches, or 1.0 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 />24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!ll <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />3:1 upslope ratio 0 ft. upslope berm <br />3:1 sideslope 0 ft. sideslope berms <br />3:1 downslope 0 ft. downslope berm <br />Overall Dimensions: <br />UDslooe berm 1 0 <br />2.0 <br />Limiting Condition <br />�Fd <br />ft. wide by 50.0 ft. long Rock bed <br />ft. wide by 50 ft, long Mound footprint <br />4" inspection pipe <br />r— 18" cover on top <br />C <br />12" cover on sides <br />(6" loamy cap do 6" topsoil) <br />Clean sand lift <br />Depth to Limiting <br />---------------- <br />Absorption Width 1 27.0 - ` - �_ - -.. - - -- - - t <br />Note: <br />For a to 1% slopes, Ahsorptian Width is measured from the Bedequally in bath directions. <br />For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Berl, <br />Rock Bed: <br />10.0 ft. by §Q.0 ft. by ®inches under pipe, plus 20% gives =yd-' or *1.4= 24 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 />19.1 up + 35.2 downslope + 13.6 ends + F41.7junder rock V F —37103 or *1.4= 52 ton <br />plus 20% <br />Loamy Cap: <br />10 ft, by 50 ft. 6" deep, plus 20% gives <br />36) Topsoil: <br />=yd-' or *1.4=F--271ton <br />10 ft. by 5Q ft. 6" deep, plus 20% gives =yd-' or #1.4= 17 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 Perc 810 2/27/2020 <br />Designer Signature Company License# Date <br />