The purpose of this article is to define the
general construction procedures, design and material standards and
specifications for new sanitary sewers and connections to the existing
Town sanitary sewer system.
All terms used in this article concerning the
construction of new sanitary sewers and connections to the existing
Town sanitary sewer system shall have the same meaning, and shall
otherwise be consistent with, the Town of Niagara Sewer Ordinance and all amendments thereto.
The design of all sanitary sewers and any connections
thereto shall comply with the New York State Department of Environmental
Conservation and the report by the Great Lakes Upper Mississippi River
Board of State Sanitary Engineers (latest edition) and the American
Society of Civil Engineers (A.S.C.E.) and the standards for materials
and construction in this article.
The minimum size of new sanitary sewers is eight
inches in diameter for trunk and lateral sewers. Direct connections
to existing sewers by tapping for house lateral connections shall
be six inches in diameter. Flows shall be determined using Kutter's
formula and n = 0.013.
All new sanitary sewers and connections to the existing Town sanitary sewer system shall conform to the standards and specifications of this article and of Article
III of these specifications.
All excavation and related work consisting of but not limited to clearing and grubbing, temporary sheeting, dewatering, excavation for pipe and structures, excavation of rock, bedding, backfill, concrete, disposal of materials, protection of existing facilities and maintenance and protection of traffic shall comply with the standards and specifications as outlined in Article
III of these specifications and the Town of Niagara Building Code.
Each house lateral connection shall be constructed
in the following manner unless the Superintendent shall issue a written
variance:
A. Stone used for bedding shall be No. 1 or Type 1A crushed
stone or stone screenings. There shall be a minimum of four inches
of bedding with a minimum of six inches of cover over the pipe.
B. The balance of the trench shall be filled with approved
suitable backfill material to the finished grade.