Building sewer pipe materials shall be one of the following:
A. Polyvinyl chloride (PVC) pipe and fittings conforming to ASTM Specification
D-3034-73, "SDR-35 Polyvinyl Chloride (PVC) Sewer Pipe and Fittings."
All pipe shall be suitable for gravity sewer service. Provisions shall
be made for contraction and expansion at each joint with a rubber
ring. The bell shall consist of an integral wall section stiffened
with two PVC retainer rings which securely lock the solid cross-section
ring into position. Minimum pipe stiffness (F/Y) at 5% deflection
shall be 46 psi when tested in accordance with ASTM Specification
D-2412.
B. Tar-coated, service grade, cast-iron soil pipe conforming to ASTM
Specification A-74, "Cast Iron Pipe and Fittings." All dimensions,
weight and markings of the pipe shall conform to the requirements
of ANSI, Designation A112.5.1, except spigot ends shall be "plain
end," if gasket joints are used.
C. Any part of the building or street lateral that is located within
five feet of a water main or water service shall be constructed of
cast-iron soil pipe. Cast-iron soil pipe may be required by the Superintendent
where the building or street lateral is likely to be damaged by tree
roots. If installed on fill or unstable ground, the building or street
lateral shall be of cast-iron soil pipe, although other pipe material
may be permitted if such pipe is uniformly supported on a poured concrete
cradle approved by the Superintendent. The distance between consecutive
joints, as measured along the center line of the installed pipe, shall
not be less than 10 feet, except under abnormal circumstances, in
which case this dimension may be diminished, if approved by the Superintendent.
The size and slope of building and street laterals shall be subject
to approval by the Superintendent, but in no event shall the internal
pipe diameter be less than four inches, nor shall the pipe slope be
less than 1/4 inch per foot.
D. Lateral sewers shall be separated from water mains and services as
required by the Ten State Standards.
The building lateral shall be tested for infiltration/exfiltration
by:
A. Any full pipe method described in Article
XIV; or
B. By a suitable joint method, with the prior written approval of the
Superintendent.
The applicant for the building lateral permit shall notify the
Superintendent when the building lateral is ready for inspection and
connection is to be made to the street lateral. The connection shall
be made under the supervision of the Superintendent.
When trenches are excavated for the laying of building lateral
pipes, such trenches shall be inspected by the Superintendent. Before
the trenches are backfilled, the person performing such work shall
notify the Superintendent when the laying of the building lateral
is completed, and no backfilling of trenches shall begin until approval
is obtained from the Superintendent.
All excavations for constructing building laterals shall be
adequately protected 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 Superintendent.
An interior cleanout fitting shall be provided for each building
lateral at a readily accessible location, preferably just inside the
basement wall. The fitting shall contain a 45° branch with removable
plug or test tee, and so positioned that sewer cleaning equipment
can be inserted therein to clean the building lateral. The cleanout
diameter shall be no less than the building lateral diameter.
All costs associated with the provisions of this article shall
be borne by the property owner unless specifically stated or agreed
to be a cost borne by the Town. The property owner shall indemnify
the Town from any loss or damage that may be directly or indirectly
occasioned by the installation of the building and street laterals
and connections and appurtenances.