Work on catch basins, frames, grates, and granite inlet curb shall conform to the
Materials and Construction Requirements of Section 604 Catch Basins, Drop
Inlets, and Manholes of the NHDOT Standard Specifications and to City of
Nashua Standard Specifications for Sewers & Drains (Appendix A).
4 foot catch basins shall be paid for at the contract unit price per each for Item
3a.
2.04 MISCELLANEOUS EARTHWORK:
A.
Unless designated otherwise in this subdivision, earthwork shall not be
separately measured for payment, but shall be considered incidental to
construction of the project.
ROCK EXCAVATION: (not in contract)
Rock excavation shall be measured per cubic yard and shall conform to Section
203 of the NHDOT Standard Specifications.
The work is not in contract as no rock excavation is expected in the existing sewer
main trench line.
EXCAVATION AND BACKFILL OF UNSUITABLE MATERIAL ABOVE
NORMAL GRADE: (Not a pay item, this work is subsidiary)
If, in the opinion of the Engineer, the material at or above normal grade is
unsuitable for use as backfill, it shall be removed and disposed of to such depths
and widths within the limits of payment as ordered by the Engineer. Normal
grade is defined as the elevation of the trench bottom, as shown on the drawings.
The quantity of earth excavation and backfill of unsuitable material above normal
grade to be included for payment shall be the number of cubic yards of unsuitable
material ordered to be removed and measured by the Engineer within the normal
trench limits shown on the contract drawings, excluding quantities paid under
other items.
Topsoil, paving materials, frozen material or ledge excavation above the normal
grade of the trench excavation will not be considered for payment.
The unit price for this item shall constitute full compensation for excavation of
unsuitable material above normal grade and disposal of unsuitable material,
excluding materials noted above, and furnishing, installing and compacting
approved backfill materials as specified in Section 02300, EARTHWORK, of the
Contract Documents.
The Contractor will not be reimbursed for excavation of unsuitable material
above normal grade, which has not been ordered by the Engineer.
01150 - 12
