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0 <br />31) <br />13'-) <br />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 2.7 <br />percent site slope (0-20% range) �(% 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 Finches of 50% soil credit. Giving a: <br />24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <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 />4:1 upslope ratio 14 ft. upslope berm <br />3:1 sideslope 13 ft. sideslope berms <br />4:1 downslope 21 ft. downslope berm <br />Overall Dimensions: <br />UDsloae berm <br />Limiting Condi <br />10.0 ft. wide by 63.0 ft. long Rock bed <br />45 ft. wide by 1 89 ft. long Moundfootprint <br />4" inspection pipe <br />r-- 18" cover on top <br />14 <br />0 Clean sand lift <br />1.0 Depth to Limiting <br />_______._—$ __._z_ <br />y Absorption Width <br />berm 21 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />27.0 1' — _ + - - — - <br />Note: <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. <br />For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Bed. <br />Rock Bed: <br />10.0 ft. by 63.0 ft. by inches under pipe, plus 20% gives 21 yd' or *1.4= 29 ton <br />y Mound Sand: (note: volume is based on 3:1 /4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />48.2 up + 74.2 downslope + 12.1 ends + 50.2 under rock =222 ydj or *1.4= 310 ton <br />plus 20% <br />Loamy Cap: <br />41 ft. by 85 ft. 6" deep, plus 20% gives <br />Topsoi L• <br />[7T57 ft. by 89 ft. 6" deep, plus 20% gives <br />I hereby certify that I have completed this work in accordance <br />er Signature <br />Rusty Olson"s Soil Ix Perc <br />Company <br />78 yd' or *1.4=109 ton <br />89 yd' or *1.4= 125 ton <br />all applicable ordinances, rules and laws. <br />810 <br />License# <br />9/11 /2f)19 <br />uaLe <br />