3.3.2
Quality Assurance Hold Point Evaluations
The Coating Inspector shall perform and document the Quality Assurance Hold
Point evaluations. The Coating Inspector shall report the results of the
Quality Assurance Hold Point evaluations to the Contracting Officer. The
Contracting Officer shall have sole authority to approve progression from
one work phase to the next. Work phases are delineated by the Inspection
Hold Points.
3.3.2.1
Surface Preparation Quality Assurance Hold Point Evaluation
At the completion of surface preparation on a given work area and prior to
metallization the Coating Inspector shall submit to the Contracting Officer
the completed documentation resulting from the inspections performed in
paragraphs Ambient Conditions Inspection, Presurface Preparation
Inspection, Surface Preparation Inspection, Abrasive Blast Air Cleanliness
Inspection, Blast Media Cleanliness and Shape, Blast Profile, and
Contaminants on Prepared Surface.
3.3.2.2
Metallized Coating Quality Assurance Hold Point Evaluation
At the completion of metallized coating application on a given work area
and prior to sealing, the Coating Inspector shall submit to the Contracting
Officer the completed documentation resulting from the inspections
performed in paragraphs Ambient Conditions Inspection, Atomization Air
Cleanliness, Metallized Coating Appearance, Metallized Coating Thickness,
and Metallized Coating Adhesion.
3.3.2.3
Sealed System Quality Assurance Hold Point Evaluation
At the completion of sealer and paint coat application on a given work area
and prior to the placement of the coated item in service, the Coating
Inspector shall submit to the Contracting Officer the completed
documentation resulting from all inspections and tests including those
specified in Section 09964 PAINTING: HYDRAULIC STRUCTURES.
3.4
METALLIZING SYSTEMS TO BE APPLIED
The required metallizing systems shall be applied as shown on the drawings.
3.5
SPECIAL PAINTING INSTRUCTIONS
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NOTE: Thinning instructions in the painting
specification should be modified as follows: the
first coat of systems No. 3, 4, 5-D, and 21 shall be
thinned with 25 percent by volume of the recommended
thinner. Subsequent paint coats shall be thinned in
accordance with the standard instructions found in
Section 09964. The first coat of paint systems No.
13 and 14 should not receive extra thinning. It is
not required.
In geographic regions where air pollution
regulations prohibit the use of impacted immersion
paint systems No. 3, 4, and 5-D, for architectural
painting, paint system No. 21 should be substituted
for immersion applications. If system 21 does not
comply with air pollution regulation then no sealer
SECTION 09971A
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