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23 0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.0 <br />ryapercent site slope (0-20% range) �(% downslope site slope, if different than upslope) <br />26 inches, or 2.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) <br />Treatment zone containsEEinches of 0% soil credit, and =inches of 50% soil credit. Giving a: <br />12 inch, or 1.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!! <br />20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />0,0 ft. upslope and sideslope <br />1 0.4 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />upslope ratio 11 ft. upslope berm <br />sideslope 13 ft. sideslope berms <br />31 4:1 downslope 21 ft. downslope berm <br />2) Overall Dimensions <br />Uoslooe berm <br />Limiting Condi <br />L10.0 ft. wide by 38.0 ft. long Rock bed <br />i42 ft. wide by 1 64 ft. long Mound footprint <br />4" inspection pipe <br />— 18" cover on top <br />11 <br />1 p Clean sand lift <br />2.2 Depth to Limiting <br />1 -------------- <br />Absorption <br />--- --Absorption Width <br />berm 21 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />20.0 <br />Mote: <br />For 4 to 1% slopes, Absorption Width is measured from the Bedequalty in bath directions. <br />For slopes >1 , Absorption Width is measured downhitt from the upslope edge of the Bed. <br />Rock Bed: <br />10.0 ft. by 38.4 ft. by inches under pipe, plus 20% gives 13 yd-' or *1.4= 18 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 />14.$ up + 34.3 downslope + 7.8 ends + 16.2 under rock = 8$ yd' or *1.4= 123 ton <br />plus 20% <br />Loamy Cap: <br />38 ft. by 60 ft. 6" deep, plus 20% gives <br />Topsoil: <br />42 ft. by 64 ft. 6" deep, plus 20% gives <br />I hereby c rtify that I have comp <br />Designer Signature <br />this work in accordance <br />Rusty Otson"s Soil & Perc <br />Company <br />51 yd' or *1.4= 71 ton <br />60 yd' or *1.4= 84 ton <br />all applicable ordinances, rules and laws. <br />810 5/1/2018 <br />License# Date <br />