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 written permit from the Superintendent.
All costs and expense 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.
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 any adjoining alley, court,
yard or driveway, the building sewer from the front building may be
extended to the rear building and the whole considered as one building
sewer.
Old building sewers may be used in connection with new buildings
only when they are found, on examination and test by the Superintendent,
to meet all requirements of this chapter.
The size, slope, alignment, materials of construction of a building
sewer and methods to be used in excavating, placing of the pipe, jointing,
testing and backfilling the trench shall all conform to the requirements
of the building and plumbing codes or other applicable rules and regulations
of the City. In the absence of code provisions or in amplification
thereof, the materials and procedures set forth in appropriate specifications
of the American Society for Testing and Materials and Water Pollution
Control Federation Manual of Practice No. 9 shall apply.
Whenever possible, the building sewer shall be brought to the
building at any elevation below the basement floor. In all buildings
in which any building drain is too low to permit gravity flow to the
public sewer, sanitary sewage carried by such building drain shall
be lifted by an approved means and discharged to the building sewer.
No person shall make connection of roof downspouts, 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 sanitary sewer.
The connection of the building sewer into the public sewer shall
conform to the requirements of the building and plumbing codes or
other applicable rules and regulations of the City or the procedures
set forth in appropriate specifications of the American Society for
Testing and Materials and the Water Pollution Control Federation Manual
of Practice No. 9. All such connections shall be made gastight and
watertight. Any deviation from the prescribed procedures and materials
must be approved by the Superintendent before installation.
The applicant for the building sewer permit shall notify the
Superintendent when the building sewer is ready for inspection and
connection to the public sewer. The connection shall be made under
the supervision of the Superintendent or his representative.
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 a manner satisfactory
to the City.