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.
All material testing shall be performed by a registered independent, third-party
laboratory.
The Contractor shall provide test results of the short term properties of the
cured lining material in the quantity of one test per liner batch, or 3,000 feet of
installed liner, or as required by the Owner. The liner shall be in compliance
with the physical properties described in these Specifications. Flexural strength
and modulus shall be tested in accordance with the requirements of ASTM D
790. For pressure line, tensile strength and modulus of elasticity shall be
tested in accordance with the requirements of ASTM D 638.
B. INSPECTION
1.
After the work is completed, the Contractor shall inspect the pipeline by closed
circuit color television inspection and shall provide the Engineer with one
copy of a videotape or acceptable digital format recording of this inspection
log for the Owner’s records. Any repaired areas shall be re-televised.
C. ACCEPTANCE
1.
Prior to final acceptance, any defects that may affect the integrity or strength
of the pipeline is the opinion of the Engineer shall be repaired by the
Contractor at no additional cost to the Owner.
Pipeline shall be true to line and grade, with no visual bulges, sags,
protrusions, deflections, offset joints, leaking joints, or other visible
infiltration, or other defects that would impair the intended use of the
completed pipeline.
. Final acceptance of work shall not be granted until all defective areas are
repaired in accordance with the CIPP manufacturer’s recommendations and to
the Engineer’s satisfaction.
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