Work shall furnishing all materials, labor, tools, and equipment necessary and for
excavation, backfilling, testing; and installation of the flow-able fill, as indicated
on the Drawings or as directed by the Engineer. The contractor shall open a hole
to the pipe elevation at the other end of the fill, if none exists, to ensure the entire
pipe has been filled with the concrete.
Work shall conform to the City of Nashua Standard Specifications Sewers &
Drains (Appendix A).
The contractor shall not be paid for removal of existing sewer pipe, catch basin or
sewer manhole when it is located within 2 feet of the planned exaction necessary
to install new sewer main, catch basin or manhole. Removal of existing pipe or
structures will be considered incidental to the work in this case.
The contract shall remove catch basins and sewer pipes where directed on the
plans. At the Engineer’s direction, the contractor’s may need to abandon certain
structures or pipes where excavation is not needed or it 1s the more economical
than pipe removal. Flowable fill shall be used when structures or pipes are to be
abandoned at the unit price in the bid schedule.
The work under this section shall be paid under Item 2m — flowable fill for
abandoning sewer or drain pipe on a cubic yard basis.
2.03 CATCH BASINS & APPURTANENCES
A.
REMOVE AND REPLACE EXISTING CATCH BASIN WITH NEW CATCH
BASIN:
The work of this item shall be paid per each replaced catch basin, including frame
and grate. Only those catch basins ordered by the Engineer to be replaced shall
be measured for payment. Catch basins damaged by the contractor shall be
repaired or replaced at no cost to the City of Nashua. Catch basins shall have a 4’
sump and an oil and debris trap.
The contract unit price per each catch basin to be paid shall constitute full
compensation for supplying all material, labor, tools, and equipment required to
remove and dispose of the existing catch basin and install a new 4-foot diameter
catch basin, with 4’ sump and oil and debris trap, as specified in Section 02631,
PRECAST MANHOLES & CATCH BASINS and shall conform to the City of
Nashua Standard Specifications for Sewer & Drain (Appendix A).
The unit price for this item shall include excavation, crushed stone bedding, and
backfill; furnishing and installing sump, walls, gaskets, sealants, connections,
couplings, capping the existing leader at the sewer main and at the catch basin,
frame, grate, and granite inlet curb; and all incidental work necessary to complete
the pre-cast concrete catch basin as shown on the drawings and as specified
herein.
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