The piping in the building or home, and to a point four feet (4') outside the building or home, is to conform to the requirements of the plumbing code of the state.
(A) Permit: No unauthorized person shall uncover, make any connections with or opening into, use, alter or disturb any public sewer or appurtenance thereof without first obtaining a permit from the director of public works. The owner or his agent shall make application on a special form furnished by the city. The permit application shall be supplemented by any plans, specifications or other information considered pertinent in the judgment of the director of public works.
(B) Costs; Indemnification: All costs and expenses incident to the installation and connection of the building sewer shall be borne by the owner. The owner shall indemnify the city from any loss or damage that may directly or indirectly be occasioned by the installation of the building sewer.
(C) Separate Sewers To Be Provided:
1. A separate and independent building sewer shall be provided for every building, except where one building stands at the rear of another on an interior lot and no private sewer is available or can be constructed to the rear building through an adjoining alley, court and/or driveway. The building sewer from the front building may be extended to the rear building and the whole considered as one building sewer.
2. The city council may, if it finds such exceptions to be in the public interest, by formal action, allow exceptions to this requirement; provided, that the following conditions are met:
(a) That the property be a mobile home court and all the underlying real property be in one undivided legal ownership and not be subdivided or legally divided in any way.
(b) That such mobile home court has been approved by the Montana department of health and environmental sciences, the state board of health and any other state requirements for mobile home courts; and
(c) That such mobile home court has met the subdivision regulations for Havre and Hill County, the city ordinances concerning mobile home courts, where applicable, and has been approved by the Havre-Hill County planning board.
(D) Prohibited Connections: No person shall make connection of roof downspouts, exterior foundation drains, areaway drains or other sources of surface runoff or ground water to a building sewer or building drain which in turn is connected directly or indirectly to the city sanitary sewer.
(E) Specifications For Sewer: The minimum size sewer from building to city sewer shall be four inches (4"), the minimum grade of this sewer shall be one-eighth inch (1/8") per foot (1'). The sewer shall be cast iron sewer pipe, vitrified clay sewer pipe, PVC sewer pipe or asbestos-cement sewer pipe. Joints shall be watertight and rootproof.
(F) Trenches: When the character of the material will permit, the bottom of the trench shall be shaped to conform to the bottom of the sewer. Where the bottom of the trench cannot be shaped or rocks and boulders are present, the contractor shall provide a minimum of three inches (3") of bedding material below the service pipe and a minimum of six inches (6") of bedding material on the sides and the top of the service pipe. The bedding material shall be crushed with stone or pea gravel with not less than ninety five percent (95%) retained on the no. 4 screen. The bedding material is to be compacted by slicing with a shovel. Special care shall be taken to bed the pipe firmly to exact line and grade. All pipe, when joined in the trench, shall form a true and uniform line of sewer.
(G) Inspections; Connections: The applicant for the building sewer permit shall notify the director of public works or his deputy when the building sewer is ready for inspection and connection to the public sewer. No service pipe building sewer shall be covered until it has been inspected and approved by the director of public works or his deputy. The connection to the public sewer shall be made under the supervision of the director of public works or his deputy.
(H) Connection To Sewer: Connection to the city sewer will be made at the wyes provided in the city sewer. If wyes have not been provided near the point of desired connection, then an approved saddle shall be installed for the connection. Where a saddle is used, a neat hole shall be first cut in the pipe so that the sewage can pass into the city sewer without obstruction and the saddle can adequately cover the hole. The entry into the city sewer shall be made in a downstream direction at an angle of about forty five degrees (45°).
(I) Backfilling: After the pipes have been laid and properly joined, the space between them and the sides of the trench and for one foot (1') over the top of the pipe shall be carefully filled with fine sand, gravel or earth which shall be thoroughly tamped, care being taken not to loosen the joints or to disturb the alignment of the pipes. The backfill may be completed by either tamping layers of twelve inches (12") in thickness or thoroughly soaking with water the entire depth of the trench, or both, as the inspector may direct; the object being to have the least possible settlement after the work is completed. The contractor, plumber or other person doing the excavation and refilling shall be responsible for the trench and liable for any damage occasioned by its construction for a period of two (2) years after completion. Material not needed for backfilling shall be considered the property of the contractor and he shall be responsible for its disposal.
(J) Excavations: All excavations for building sewer installations shall be adequately guarded with barricades and lights so as to protect the public from hazard. Streets, sidewalks, parkways and other public property disturbed in the course of the work shall be restored in the manner satisfactory to the director of public works. Backfilling of the sewer trench will, in general, require compaction under public streets. (Ord. 697, 10-19-1981)