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23) O.b0 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2 (minimum) (this must match the soil boring log) desired mound ratio 2.0 14) percent site slope (0-20% range) �(% downslope site slope, if different than upslope) 25j 18 inches, or 1.5 ft. to Redox or other limiting condition (need at least 12" to be a Type l) Treatment zone contains inches of 0% soil credit, and F 70inches of 50% soil credit. Giving a: 26) 18 inch, or 1,5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSN! rn 20.0 ft.Totat ABSORPTION width (with sand beyond rockbed as follows:) 'R) OA ft. upslope and sideslope 10.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: upslope ratio 9 ft. upslope berm soy 3:1 sideslope 12 ft. sideslope berms downslope 18 ft. downslope berm 3'-) Overall Dimensions: Upslope berm 10.0 ft. wide by 62.5 ft. long Rock bed 37 ft. wide by 1 87 ft. long Mound footprint 4" inspection pipe r- 18" cover on top Downslope berm 12" cover on sides (6" loamy cap &. 6" topsoil,, 1.5 Clean sand lift 1.5 Depth to Limiting Limiting Condition - — — _ — — -- Absor tion Width 20.0 Note: For 0 to 1% slopes, Absorption Width is measurecl from the Bedequally in bath directions. For slopes >1%, Absorption Wdtfiis measured downhill from the upslope edge of the fled. Rock Bed:. 10.0 ft. by 62.5 ft. by inches under pipe, plus 20% gives =yd' or "1.4= 2g ton 4l Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 23.7 up + 52.4 downslope + 10.7 ends + 41.7 under rock =154 yd' or "1.4= 216 ton plus 20% Loamy Cap: 33 ft. by 83 ft. 6" deep, plus 20% gives =yd' or "1.4= J 85 ton „ Topsoil: 37 ft. by 87 ft. 6" deep, plus 20% gives =yd' or "1.4= 101 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Signature Rusty Olson"s Soil €t pert 810 Company L"-Uf I]Ctf 7/21/2018 Date