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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 logj desired mound ratio 2.0 <br />24) percent site slope (0-20% range) 20 (% downslope site slope, if different than upslope) <br />25) 20 inches, or =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 />26) 16 inch, or =ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONSII l <br />27) 20.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />28) 0.0 ft. upslope and sideslope <br />10.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />29) 4:1 up5lope ratio 11 ft, upslope berm <br />30) 3:1 sideslope 1 12 ft. sideslope berms <br />31) 3:1 downslope F 29 Tt. downslope berm <br />Overall Dimensions: 10.0 1 ft. wide by 1100.0 ft. long Rock bed <br />50 ft. wide by F124 1 ft. long Mound footprint <br />4" inspection pipe <br />18" cover on top <br />Upslopt berm 11 �I \ L, Downslove berm 29 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />1.3 Clean sand lift <br />__ 1.7 Depth to Limiking <br />Limftir►g Condition "— ----_--_--.__ <br />Absor tion Width 20.0 — -- — - ----- -- <br />Note: <br />For 0 to 1% slopes, Absorption Wldth is measured from the Bedequaily in both directions. <br />For slopes >1%, Absorption WWdth is measured downhill from the upslope edge of the Bea! <br />33) Rock Bed: <br />10.0 ft. by 100.0 ft. by ©inches under pipe, plus 20% gives ®yd' or *1.4= ®ton <br />34) Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br />3- up + 140.5 downslope + 9.6 ends + 60.5 under rock = 298 ydj or *1 A= 417 ton <br />plus 20% <br />35) Loamy Cap: <br />46 ft. by 120 ft. 6" deep, plus 20% gives 123 yd' or *1.4= 172 ton <br />36) Topsoil: <br />50 ft. by124 ft. 6" deep, plus 20% gives 138 yd' or *1.4= 193 ton <br />1 hereby I95plify that I have completed this work in accordance with all applicable ordinances, rules and laws, <br />Rusty Olson"s Soil a Perc 810 10/3/2018 <br />Designer Signature Company License# Date <br />