work. The samples shall be checked for matches in color and
shade, finish, texture, and surface defects. The samples shall be
compared to that part of the structure on which the mixture is
proposed to be used. The samples shall be compared to the
thoroughly cleaned structure. The samples and structure surfaces
shall be clean and completely dry during the comparison.
Following the comparison to dry surfaces, the sample and structure
shall be dampened with clean, potable water and the surfaces shall
be compared for acceptability to the Contracting Officer.
SD-06 Test Reports
Sampling and Laboratory Testing of Materials
Certified copies of laboratory test reports on analysis of
existing concrete composition and new concrete mixtures, including
all test data, for aggregate, admixtures, and curing compound.
These tests shall be made by an approved commercial laboratory or
by a laboratory maintained by the manufacturers of the materials.
SD-07 Certificates
Materials
Certificates of compliance attesting that the materials meet
specification requirements.
1.3
GENERAL REQUIREMENTS
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NOTE: The designer should coordinate this Section
with the design drawings to ensure that where the
words "as indicated" are used the sizes, positions
or other designated information is actually shown on
the design drawings.
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The Contractor shall be responsible for equipment, materials, testing,
labor and other items and services required to accomplish the work.
Equipment and techniques proposed for use in the work shall not be used
until they have been demonstrated and approved. Materials and equipment
which have not been approved for use in the work shall not be stored or
brought on to Government property. The Contractor shall provide equipment,
materials, and labor to demonstrate materials, equipment, and techniques
proposed for use in the work. The demonstrations shall be performed at the
site, at a time and location as directed. The demonstration shall include
surface cleaning, excavation, surface patching (including finishing,
texturing, and curing materials and methods), curing, safety procedures,
surface finish and appearance. The Contractor's quality control shall
conform to Section 01451A CONTRACTOR QUALITY CONTROL. All sampling and
testing shall be the Contractor's responsibility, and shall be performed by
an approved independent commercial testing laboratory, except as otherwise
specified.
1.3.1
Concrete Mixture
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NOTE: If it is determined that the concrete mixture
requires plasticizers, the requirements will be
SECTION 03900
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