§ 38-5-31. Connections to sewer mains.

Building sewer connections with any sewer shall be made only at manholes or other such junctions as may be provided or designated by the Village, and then only in such manner as directed. The connection of the building sewer shall be made at a wye branch, if such branch is available. The building service sewer shall generally enter the sewer main or lateral by way of an existing wye. In the event of absence of the wye, the connection to the sewer main or lateral shall be made by one of the methods indicated below.

(A) 

Installation of a manhole.

(B) 

Circular saw-cut sewer main by proper tools (sewer tap machine or similar), and proper installation of hub wye saddle, in accordance with manufacturer's recommendation. This method shall not be allowed when the wye branch is larger than four inches in diameter. The entire sewer main in the location of the wye and the wye shall be encased in concrete.

(C) 

Using the pipe cutter only, neatly and accurately cut out desired length of pipe for insertion of proper fitting. Remove both hub and bell ends, or other compression couplings from wye branch fitting to allow the wye branch to be inserted with no more than a total of 1/2 inch gap. Use band seal couplings, or similar couplings, and shear rings and clamps to fasten the inserted fitting and hold it firmly in place. The entire section shall then be encased in concrete having a minimum thickness of four inches and extending eight inches beyond each joint.

If another method is desired, a detail shall be submitted for review and approval by the Village before the connection is made. Indiscriminate breaking of the sewer main pipe is not allowed.

On-site inspection. After the wye branch has been inserted and jointed, and before any additional fittings have been placed in the service line, the installation shall be approved by the Superintendent, or his authorized representative. After approval is granted the contractor shall encase the work area as specified herein.

Backfill. To be placed in accordance with the Standard Specifications for Water and Sewer Main Construction in Illinois, current edition. In addition, any building sewers crossing any street, or traveled alley shall be backfilled with granular backfill material.

Concrete encasement. When a riser is constructed and its height is four feet or more measured from the flowline of the sewer main to the top of the riser pipe, the wye connection shall be encased in concrete to a height of at least one foot six inches above the flowline of the sewer main. When the height of the riser is less than four feet above the flowline of the sewer main, the wye connection shall be backfilled to the top of the riser pipe with carefully placed and compacted granular backfill.