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ITS
Quality Control Program
International
Tank Service, Inc. maintains a Quality Control Program with
the intention of producing the highest quality product for all
our customers. Different aspects of the quality control are carried
out by ITS personnel, or by independent testing laboratories.
 Our
Quality Control Program includes:
- Review
of all engineering calculations with drafting detaling prior
to release of shop drawings;
- Mill
tests of steel for chemistry, strength, and ductility. All
steel used must conform to specified ASTM and design code standards;
- Weld
procedure and welder qualification in accordance with API,
AWWA, and ASME standards;
- Dimensional
inspections of tank parts prior to erection;
- Tolerance
inspection procedures for foundation and erection, to ensure
compliance with applicable standards, customer requirements,
and ITS acceptable tolerances;
- Visual
inspection of weld quality as specified in tank codes;
- Radiographic
weld inspection as specified an API or AWWA codes;
Other weld
inspection as called for by the customer, API 650, or AWWA codes,
including vacuum testing, penetrant oil tests, hardness testing,
etc.
- Hydro-testing;
- Additional
testing as appropriate for other work - break tests for
concrete, film thickness and holiday testing for painting, pressure
tests for piping, etc; and
- Annual
inspections and certification by Factory Mutual for quality
control compliance.
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