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2 _, i <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 />20 percent site slope (0-20% range) 2fl (% downslope site slope, if different than upslope) <br />18 inches, or 1.5 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 =inches of 50% soil credit. Giving a: <br />18 inch, or 1.5 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSH! <br />27.0 'ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />P17, <br />ft. upslope and sides(ope <br />0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratio 8 ft. upslope berm <br />3:1 sideslope 17 ft, sideslope berms <br />3:1 downslope 41 ft. downslope berm <br />132) Overall Dimensions: <br />Upslope berm F-8--] <br />1 <br />10.0 ft. wide by 62.5 ft. long Rock bed <br />59 ft. wide by 1 97 ft. long Mound footprint <br />4" inspection pipe <br />x-18" ever on top <br />berm 41 <br />12" cover on sides <br />(6" loamy cap.6" topsoil) <br />1.5 Clean sand lift <br />_ __ 1�.5 Depth to Limiting <br />Limiting Con'ditior�_- <br />F—A-bsor-o-tion__ Widt__h 4 27• _ -� --�-- --- - -- - <br />Note: <br />For 0 to 1 slopes, Absorption Width is measured from the Bedeq�ially 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 62.5 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 />22.3 up + 253.5 downslope + 22.5 ends + 57.9 under rock = 427 yd' or *1.4= 598 ton <br />plus 20% <br />35 j Loamy Cap: <br />55 ft. by 93 ft. 6" deep, plus 20% gives 114 yd3 or *1.4= 160 ton <br />36) Topsoil: <br />59 ft. by 97 ft. 6" deep, plus 20% gives 127 yd' or *1.4= 178 ton <br />I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws, <br />Designer Signature <br />Rusty Olson"s Soil & Perc <br />Company <br />810 6/16/2018 <br />License# Date <br />