Laserfiche WebLink
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 1 2.7 <br />percent site slope (0-20% range) �7(% 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 CERTIFICATIONSHI: <br />7) 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) <br />8) 0.0 ft. upslope and sideslope <br />17.0 ft. Downslope <br />Individual slope ratios give BERM widths (topsoil beyond rockbed) of: <br />9) 4:1 upslope ratio 11 ft. upslope berm <br />o) 3:1 sideslope 1 13 Ift. sideslope berms <br />1) 4:9 downslope 25 ft. downslope berm <br />Overall Dimensions: E;�10.0ft. wide by 63.0 ft. long Rock bed <br />ft. wide by 1 89 ft. long Mound footprint <br />Upslope berm <br />i ®rym ilr g Con <br />4" inspection pipe <br />(— 18" cover on top <br />11 <br />1.5 1 Clean sand lift <br />1.5 Depth to Limiting <br />-------------- <br />Absorption <br />----------__--Absorption Width <br />25 <br />12" cover on sides <br />(6" loamy cap & 6" topsoil) <br />27.0-----I----------_-- <br />_Note_ : <br />For 0 to 1% slopes, Absorption Width is measured from the Bedequally in bath directions. <br />For slopes 71%, Adsorption Width is measured downhill from the upslope edge of the Bed. <br />Rock Bed: <br />10.0 ft. by 63.0 ft. by inches under pipe, plus 20% gives =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 />28.4 up + 9b.0 downslope + =ends + 44.3 under rock = 217 yd3 or *1.4= 304 ton <br />plus 20% <br />Loamy Cap: <br />42 ft. by 85 ft. 6" deep, plus 20% gives <br />36) Topsoil: <br />$0 yd' or `1.4= 112 ton <br />46 ft, by 89 ft. 6" deep, plus 20% gives =yd-' or *1.4= 127 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 Et Perc 810 7/8/2020 <br />signer Signature Company License# Date <br />