SECTION 02300
EARTHWORK
PART 1 - GENERAL
1.01 WORK INCLUDED:
The Contractor shall make excavations of normal depth in earth for trenches and structures,
shall backfill and compact such excavations to the extent necessary, shall furnish the
necessary material and construct embankments and fills, and shall make miscellaneous
earth excavations and do miscellaneous grading.
A,
Work shall not be started until all materials and equipment necessary for their construction are
either on the site of the work or satisfactorily available for immediate use as required.
The sheeting shall be securely and satisfactorily braced to withstand all pressures to which it
may be subjected and be sufficiently tight to minimize lowering of the groundwater level
outside the excavation.
No sheeting may be left so as to create a possible hazard to safety of the public or a
hindrance to traffic of any kind.
SECTION 02252
SUPPORT OF EXCAVATION
PART 1 - GENERAL
1.01 WORK INCLUDED:
A. This section of the specification covers sheeting and bracing for support of
excavations. The requirements of this section shall also apply, as appropriate, to other
methods of excavation support and underpinning which the Contractor elects to use to
complete the work.
J. The Contractor shall build a tight bulkhead in the pipeline where new work enters an existing
sewer. This bulkhead shall remain in place until its removal is authorized by the Engineer.
K. Care shall be taken to prevent earth, water, and other materials from entering the pipe, and when
pipe laying operations are suspended, the Contractor shall maintain a suitable stopper in the end
of the pipe and also at openings for manholes.
SEWER PIPE BEDDING AND SAND BLANKET:
Sewer pipe bedding and sand blanket shall be as specified in Section 02300 EARTHWORK.
DUCTILE IRON PIPE:
Ductile iron pipe shall be used at sewer/water line crossings and conform to AWWA
C151/A21.50 & 51, Class 52.
PART 3 - EXECUTION
3.01
A.
G.
INSTALLATION:
Except as modified herein, installation of the PVC pipe shall be in accordance with ASTM
D2321.
1.04 SUBMITTALS:
In accordance with requirements of the General Specifications submit six (6) sets of
manufacturer's literature of the materials of this section shall be submitted to the Engineer for
review.
PART 2 - PRODUCTS
2.01 MATERIALS:
A. PVC NON-PRESSURE SEWER PIPE:
SECTION 02085
POLYVINYL CHLORIDE GRAVITY PIPE AND FITTINGS
PART 1 - GENERAL
1.01 WORK INCLUDED:
This section covers the furnishing and installation of Polyvinyl Chloride (PVC) pipe and
fittings, as indicated on the drawings and as specified herein.
1.02 RELATED WORK:
A. Section 02300, EARTHWORK
B. Section 02252, SUPPORT OF EXCAVATION
C. Section 02631, PRECAST MANHOLES
1.03 REFERENCES:
A. The following standards form a part of these specifications as referenced:
American Society for Testing and Materials (ASTM)
All CCTV video files shall be identified by street names, manhole designations, pipe
diameter, length, date work was performed, labeled “City of Nashua”, contract number
and sub area designation.
END OF SECTION
2019 CIPP Lining Project Documentation
Nashua, NH 01331-2
SECTION 01331
DOCUMENTATION
PART 1 - GENERAL
1.01 WORK INCLUDED:
A. This section covers the requirements for documentation to be furnished by the
Contractor on this project.
1.02 RELATED WORK:
A. Section 02650, CURED-IN-PLACE PIPE (CIPP) LINING OF EXISTING SEWERS
1.03 DOCUMENTATION:
A. The Contractor shall maintain CCTV inspection video of sewer segments, for each sewer
line segment undergoing lining under this contract and provide two (2) copies of the video
drawings during the review do not relieve the Contractor from compliance with
requirements of the Contract Documents. The Contractor is responsible for: confirming and
correlating all quantities and dimensions; selecting fabrication processes and
techniques of construction; coordinating his work with that of all other trades; and
performing his work in a safe and satisfactory manner. The review of the shop drawings is
general and shall not relieve the Contractor of the responsibility for details of design,
