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31) <br />0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 1 2.7 1 (minimum) <br />(this must match the soil boring log) desired mound ratio 2.7 <br />15 percent site slope (0-20% range) 15 (% downslope site slope, if different than upslope) <br />12 inches, or 1.0 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 />24 inch, or 2.0 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br />27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />0.0 ft. upslope and sideslope <br />17.D ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />4:1 upslope ratio 10 ft. upslope berm <br />3:1 sideslope 17 ft. sideslope berms <br />3:1 downslope 42 ft, downslope berm 3.5-1 <br />3.5-1 <br />Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed <br />62 ft. wide by 1 97 ft. long Mound footprint <br />UDslope berm L-10 <br />ME <br />__ __ 1.0 <br />�irnrtiri: � nJitT(G11 <br />4" inspection pipe <br />18" cover on top <br />Downslope bene 42 <br />12" cover on sides <br />(6" losmy cap &. 6" topsoil) <br />Clean sand lift <br />Depth to Limiting <br />_ <br />Absorption Width 27.0 — — _ -— _ -.. _ <br />Note: <br />For 0 to 1 slopes, Absorptlon Width is measured from the Sedequally in both directions. <br />For slopes 31`Yo, Absorption Wfdthis measured downhill from the upslope edge of the B&d <br />Rock Bed: <br />10.0 ft, by 63.0 1 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 />36.8 up +189.4 downslope + 22.5 ends + F6 -4-.-2l under rock = 375 ydj or "1.4= 526 ton <br />plus 20% <br />Loamy Cap: <br />58 ft. by 93 ft. 6" deep, plus 20% gives <br />36) Topsoil: <br />120 ydjor*1.4= 168 ton <br />62 ft, by 97 ft. 6" deep, plus 20% gives 134 yd' or *1.4= 188 ton <br />I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br />Rusty Olson's Soil a Perc 810 4/22/2021 <br />signer Signature Company License# Date <br />