06-20-1977 Planning Packet - Laserfiche WebLink

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land dis** iucted on Lbed in 5d of two :ion test ;k loan The soils tn silty •undwater ercolation location these ORONO, MINNESOTA SEPTIC TANK - DOSING CHAMBER - DRAINFIELD - SPECIFICATIONS PROPOSED ON-SITE SEWAGE DISPOSAL SYSTEM MR. ROBERT F. WHITE 320 WOODHILL ROAD o Two 1/000 gallon capacity tanks, in series manufactured and installed in accordance with Village Code. See Figure 2 for location One 250 gallon capacity dosing chamber downstream from the second septic tank manufactured and installed in con^liance with Village Code, including a siphon or pump with a discharge rate between 25 and 45 gpm. CThe purpose of the dosing cham ber is to deliver septic effluent to the drainfield in periodic doses, rather than in smaller, more frequent applications.) See Figure 2 for location. A percolation rate of 26 minutes per inch is indicated at the drainfield. Village code requires minimum 234 square feet of effective drainfield area for each bedroom Proposed total effective drainfield area is 1,000 square feet. Proposed drainfield trench bottom width is ^ three feet requiring The system is to include four 84 foot lines spaced minimum 7.5 feet center to center. These lines are laid flat along existing contours. One drop box is required for each line. The drop boxes are located midway in the line. C42 feet on each side of the drop box.) Effluent is to be carried by solid 6-inch diameter, plastic pipe directly to the first drop box, thence to succeeding lower drop boxes. All elbows and connect ing pipes are solid, 6-inch diameter pipe. The end of each run of drainfield line is capped- DRAINF DOSING