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231 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 1 2.7 <br />'4 percent site slope (0-20% range) � (% 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 contains 70inches of 0% soil credit, and =inche5 of 50% soil credit. Giving a: <br />26i 22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27, 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />X! Eft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratio 12 ft. upslope berm <br />3D 3:1 sideslope 14 ft. sideslope berms <br />31) 4:1 downslope 27 ft. downslope berm <br />27 Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br />49 ft. wide by 91 ft. long Mound footprint <br />4" inspection pipe <br />18" cover on top <br />Upslope berm 12 �I � 1, Downslope berm z7 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.8 Clean sand lift <br />1.2 depth to Limiting <br />tin <br />Urn g Condi —`------------- _ <br />Absorption Width 27•© ----_— — — — — — -- <br />Note: <br />For 0 to 1 slopes, Absoroticrn W dtfi is measured from the Bedequally in both directions. <br />For slopes >1%, Absorptfol? Width is measured downhill from the upslope edge of the &d. <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 />Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />37.4 up + 119.3 downslope + 14.7 ends + 52.1 under rock =F268yd' or *1.4= 375 ton <br />plus 20% <br />3;i Loamy Cap: <br />45 ft. by 87 ft. 6" deep, plus 20% gives 87 yd' or *1.4= 122 ton <br />Topsoil: <br />49 ft. by 91 ft. 6" deep, plus 20% gives 100 yd' or *1.4= 140 ton <br />I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and taws. <br />w <br />er Signature <br />Rusty Olson"s Soil !t Perc <br />Company <br />810 12/6/2017 <br />License# Date <br />