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 as provided below, and every building shall have an independent connection with a public or private sewer when available. In no case, except as noted below, will the sewer from one building be permitted to run beneath any other building. A sewer is deemed available when a public sewer has been provided for the plat of ground of which it may be a part.
[Ord. No. 2005-73]
Where one building stands in the rear of another building or an interior lot and no private sewer is available or can be constructed to the rear building through adjoining alley, court yard, or driveway, the house drain from the front building may be extended to the rear building and the whole will be considered as one house drain.
[Ord. No. 2005-73]
Existing house sewers and drains may be used in connection with new buildings or new plumbing only when they conform in all respects to requirements governing new sewers or drains, as prescribed in this article. All excavations required to be made for installation of a house drainage system or any part thereof outside of or within the walls of a building shall be open trench work. All such trenches and tunnels shall be kept open until the piping has been inspected and approved.
A.
The waste piping from a point five feet outside a building to the City sewer shall be considered the building sewer and shall be constructed of the following materials with a minimum diameter of four inches: cast or ductile iron, PVC schedule 40, PVC schedule 80 with solvent weld joints, or PVC Schedule 21 - Type PSM-SDR slip joint pipe.
B.
All piping material shall be embedded with a minimum of four inches granular cradle below the sewer pipe and six inches of granular cradle above.
[Ord. No. 2013-03]
C.
Cure in place sewer liners may be accepted for making repairs of existing sanitary and stormwater sewer services provided liner systems, installation and materials standards are approved and permits issued prior to installation.
D.
Pipe bursting is only permitted using approved material as listed in the Illinois Plumbing and the approval of the Plumbing Inspector (Plans and Permit required).
[Ord. No. 2013-03]
Whenever any sanitary sewer and storm sewer, or either of them, is constructed or altered on any lot, block, tract, or parcel of land in the City of Bloomington, Illinois, the owner, building, or contractor thereof shall file a plat thereof on a form furnished by said City in the office of and acceptable to the City Engineer showing location, size, depth, direction, and connections of such sanitary sewer and storm sewer in relation to the boundary lines of such lot, block, tract, or parcel of land, any building, or structure located thereon.