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0.60 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of2 (minimum) (this must match the soil boring log) desired mound ratio 2.0 =percent site slope (0-20% range) =(% downslope site slope, if different than upslope) i8 inches, or 1.5 ft. to Redox or other Limiting condition (need at least 12" to be a Type 1) Treatment zone contains F 0inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 18 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 7) 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 8) pio-Rt. t. upslope and sideslope Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: �) MclownsLope upslope ratio lift. ft. upslope berm sidesLope ft. sidesLope berms 1) downslope berm Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed 39 ft. wide by 1 85 1 ft. long Mound footprint 4" inspection pipe i 8" cover on top Upslope berm 12 .1 1 n1AtA1RCIl\la harm. / 12" cover on sides (6" loamy cap & 6" topsoil) 1.5 Cle7sandlift__1.5 Dep L rr tting Condition — — — — --_-- Absorption WidthT207.0----] 20.0 w_ _z_—]----------_ Note: For 0 to 1% slopes, Absorption Wfdtb is measured from the Bedequally in both directions. For slopes 319, Absorption Width is measured downhill from the upslope edge of the Bed. Rock Bed: 10.0 ft. by 63.0 ft, by inches under pipe, plus 20% gives =yd' or *1.4= =ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 31.8 up + F50.8 downslope + 8.7 ends + 38.5 under rock = 15b yd' or *1,4= 218 ton plus 20% Loamy Cap: 35 ft. by =ft. 6" deep, plus 20% gives 63 yd' or *1.4= 8$ ton Topsoil.: 39 ft. by F85 ft. 6" deep, plus 20% gives 74 yd' or *1.4= F1-047 ton I hereby ce/rt�f' y that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson"s Soil li Perc 810 10/11/2017 Signature Company License# Date