04-25-2001 Council Agenda - Laserfiche WebLink

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such manner as the Public Works Director may direct. (7) Cesspools. If the cesspool or septic tank on a property is being abandoned and the building is being connected to City sewer, the sewer installer shall be permitted to pump the clear liquid content of septic tanks and cesspools into the lateral line in the street with a centrifugal pump having a discharge line of 1 1/2 inches maximum diameter and he shall then flush the stub connection clean with a garden hose for at least 15 minutes under the supervision of the City Inspector. Sludge which cannot be removed in the above manner shall be pumped into tank wagons and removed. All cesspools and septic tanks of every kind and type of construction, the use of which shall be discontinued, shall be pumped, holes punched through the bottom, and tilled with sand to prevent the possibility of future cave -in and to prevent future contamination of adjacent soil and water. (8) Tunneling. Tunneling for distances of not more than six feet is permissible in yards, courts or driveways of any building site. When pipes are driven, the drive pipe shall be at least one size larger than the pipe to be laid. (9) Cover. The minimum cover over house connections shall be six (6) feet in order to prevent freezing. Wherever possible the cover shall be maintained at seven (7) feet. 205.060. INDEPENDENT SYSTEMS. (1) The drainage and plumbing system of each new building and of new work installed in an existing building shall be separate from and independent of that of any other building except where provided in (2) of this section, and every building shall have an independent connection with a public sewer when such is available. (2) Where one building stands to the rear of another building on an interior lot and no private sewer is available or can be constructed to the rear building through an adjoining alley, court, yard or driveway, the building drain from the front building may be extended to the rear building and the whole will be considered as one building drain. Where such a building drain is extended, a clean out shall be provided immediately inside the rear wall of the front building. 205.070. PROHIBITED DISCHARGES. All discharge into the City's sanitary sewer system shall be in conformance with the Waste Discharge Rules adopted by the Metropolitan Council Environmental Services. 205.080. DISCHARGE OF SURFACE WATERS PROHIBITED. The discharged water from roof, surface, ground water, sump pump, footing tile, swimming pool, or other natural precipitation into the City's sanitary sewer system results in large and needless 205 -4 Page 18