3. Should the ROMAC type service connection not be feasible due to pipe size or other
constraints, the connection may be made using a Kor-N-Tee, Inserta Tee or equal.
These types of fittings rely on having enough of the pipe wall thickness present to
create tension between the fittings the pipe wall such that fitting will be held securely
in place. Should the Contractor elect to use this type of fitting the submittal must
include an evaluation of the existing pipe wall thickness and provide cut sheets from
the manufacturer showing this type of fitting will achieve the desired results.
PART 3 - EXECUTION
3.01 INSTALLATION:
A. The Contractor shall provide temporary plugs or provide other suitable means for
maintaining the new sewer free of sewage flow until such time as it can be inspected and
tested for leakage.
B. Connections to the new sewer shall be made when directed by the Engineer and only after
the new pipeline has been inspected and has successfully passed the leakage test.
C. The Contractor shall modify each existing structure for installation of the necessary piping,
but in so doing shall confine the cutting to the smallest amount possible consistent with the
work to be done.
D. All new piping connected to existing structures shall be encased in concrete in a manner
satisfactory to the Engineer.
E. All work shall be done with the proper tools and by careful workmen competent to do
work.
F. The Contractor shall cut, reshape and fill the existing manhole tables and plug existing
outlets as indicated on the drawings and as directed by the Engineer, to accommodate the
new connections. Reshaped manhole invert channels shall be smoothly shaped to permit
the flow of sewage. Manhole invert channels shall be reconstructed as specified under
Section 02631, PRECAST MANHOLES AND CATCH BASINS and shall comply with
the City of Nashua Standard Specifications for Sewers and Drains.
END OF SECTION
2019 Sewer Replacement Project Connections to Existing Structures or Sewer Mains
Nashua, NH 01330-2
