Under this pavement type, the Contractor shall be responsible for removing and resetting all
curbing that is disturbed during construction to existing grades at no additional cost to the
Owner. All bituminous concrete berms disturbed during construction operations shall be
replaced at no additional cost to the Owner and shall be set to existing grades and shall
maintain proper drainage.
specification of Section 2.1.1. of the Standard Specifications of the New Hampshire
Department of Transportation.
SECTION 02745
PAVING AND RECLAMATION
PART 1 - GENERAL
1.01
1.02
1.03
WORK INCLUDED:
Furnish all labor, equipment and materials required to install bituminous concrete
pavement courses, including sidewalks, driveways, temporary and permanent trench paving
and restoration of pavement markings as shown on the Drawings and as specified herein .
RELATED WORK:
Section 01562, DUST CONTROL
Section 02300, EARTHWORK
Section 02631, PRECAST MANHOLES AND CATCH BASINS
SYSTEM DESCRIPTION:
GENERAL
12. Measurements for Payments:
Payment shall be based upon an accepted bid price agreed upon prior to the work being
performed, and each repair shall be treated as a separate bid, unless other agreements are
mutually approved prior to commencement of work.
END OF SECTION
02650A - 4
k.
I.
m.
8. Finish:
Mix resin and hardener and wet out cloth in accordance with manufactures
recommendations.
Place the wetted cloth around the deflated packer and tie into place with plastic strips.
Winch inflatable packer and repair material into conduit and accurately position.
Inflate the packer, which breaks the ties, and forms the resin impregnated cloth
to the inside of the pipe, excess resin being forced into cracks and open joints.
If steam is used to accelerate cure, start injecting steam and monitor temperature
of the conduit specified. An allowance shall be made for changes in circumference
of the conduit by free overlap during inflation of the tube.
b. The minimum length shall be determined to effectively span the designated defective
section, plus one foot at either end. The lengths shall be verified in the field before
pulling the tube into the pipe.
c. The thickness of the pipe within a pipe shall be designed to conform to actual field
conditions.
SECTION 02650A
SPECIFICATION FOR CURED IN PLACE POINT REPAIR
1. Intent:
It is the intent of this specification to provide for the rehabilitation of sewers by installation of a
resin- impregnated Fiberglas / carbon fiber patch into the existing pipe using an inflatable
element and air / steam pressure. Curing shall be accomplished by either ambient curing or by
steam to cure the resin / fiber glass / carbon fiber cloth to a hard, impermeable corrosion
resistant pipe within a pipe.
2. General:
4. Any repairs required by the Engineer as a result of the post construction
internal inspection shall be performed by the Contractor.
5. Contractor shall perform a post construction internal inspection in accordance
with Section 02760. Final acceptance of the work shall not be granted until
post installation inspection has been reviewed and approved by the Engineer.
3.03
SEALING AT MANHOLES
A tight seal at the manhole walls consisting of a resin mixture compatible with the
liner/resin system may be applied in accordance with manufacturer specifications.
FINISH
The finished CIPP shall be continuous over the entire length of any section
and be as free as commercially practicable from visual defects such as
foreign inclusions, dry spots, pinholes and delamination.
TESTING, INSPECTION AND ACCEPTANCE
A. MATERIAL TESTING
1.
E.
F.
The Contractor shall ensure that the pressure in the liner exceeds both the pressure
due to the groundwater head and any pressure due to sewage in laterals or
connecting side sewers
A pre-liner may be installed prior to liner inversion in sewers with infiltration or
missing pipe sections.
CURING
