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§ 51.101 RULES AND REGULATIONS.
   Rules and regulations governing the size, slope, alignment, and materials of construction of a sewer and the method used in excavating, placing of the pipe, jointing, testing, and backfilling the trench shall include, but not be limited to the following:
   (A)   Connections with sewers must be made at the branches and with the slant already put in by the city, if any.
   (B)   Any new connections made shall be made by properly placing a wye branch in the line of the sewer.
   (C)   All connection pipes must be laid in true line from the sewer. All connection pipes must be laid in true line from the sewer to the curb in an open trench and before any filling is done.
   (D)   All connection pipes must be enveloped with earth or sand to a thickness of four inches.
   (E)   All joints of sewer pipe must be made with Portland Cement Mortar or its equivalent in the best manner and to the satisfaction of the engineer or such employee as designated by the city.
   (F)   After the pipe is properly laid, the refilling must proceed at once, and it must be thoroughly tamped or puddled or both and so done that there shall be no surplus earth left.
   (G)   Should there be a deficiency of earth to fill the excavation, then the person doing such work must supply such deficiency.
   (H)   No rock of any sort larger than four inches in any direction shall be put into any excavation.
   (I)   Changes in direction of waste or sewer pipes shall be made with curved pipes and wye branches, and connections shall be made with wye branches and sanitary tees. Cleanouts are to be placed in soil or waste pipes just inside of the wall where the house drain enters the basement. Cleanouts shall be of the same size as the drain pipe in which they are installed.
   (J)   Sanitary sewer drains from any building shall be connected with an approved pipe at least four inches in diameter as designated by the Public Works Superintendent, laid in a uniformly ascending slope of at least one-fourth inch per foot from the sewer towards the building. All connections from the sewer pipe and from the curb line to the building are to be of PVC pipe.
   (K)   At least 24-hours notice must be given to the Public Works Superintendent or other officer designated as Sewer Inspector by any person who is to make a connection with any sewer or drain when such work will be ready for inspection, previous to making said connection.
(Ord. 141, passed 11-6-89)
§ 51.102 ELEVATION.
   Whenever possible, the building sewer shall be brought to the building at an elevation below the basement floor. In all buildings in which any building drain is too low to permit gravity flow to the public sewer, the building drain shall be provided with a lifting device by an approved means and discharged to the building sewer.
(Ord. 141, passed 11-6-89)
§ 51.103 PROHIBITED CONNECTIONS.
   No person shall make connection of roof down spouts, roof drains, exterior foundation drains, areaway drains, or other sources of surface runoff or groundwater to a building sewer or building drain which, in turn, is connected directly or indirectly to a public sewer.
(Ord. 141, passed 11-6-89) Penalty, see § 10.99
§ 51.104 CONSTRUCTION; APPROVAL OF MATERIALS.
   The construction of the building sewer and its connection into the public sewer shall conform to the requirements of the State of Minnesota Plumbing Code, the sewer specifications included herein, and other applicable rules, regulations, and procedures adopted by the city. All such construction shall be made gastight and watertight. Any deviation from the prescribed procedures and materials must be approved by the city prior to installation.
(Ord. 141, passed 11-6-89)
§ 51.105 INSPECTIONS.
   Employees of the city shall be allowed to inspect work at any stage of construction and, in any event, the applicant for the permit shall notify the city when the work is ready for final inspection, and no underground portions shall be covered before the final inspection is complete. The connection shall be made under the supervision of the city or its representative.
(Ord. 141, passed 11-6-89)
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