PART 2
PRODUCTS
2.1
WELDING MATERIALS
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NOTE: Normally, selection of the electrodes is done
by the Contractor as part of his qualified welding
procedure. In special cases, if the selection of
the proper electrode is critical to the design, the
designer may specify the electrodes to be used. In
special cases it also may be necessary to specify
the welding process.
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Comply with ASME BPVC SEC II-C. Welding equipment, electrodes, welding
wire, and fluxes shall be capable of producing satisfactory welds when used
by a qualified welder or welding operator using qualified welding
procedures.
PART 3
EXECUTION
3.1
WELDING
Do not deviate from applicable codes, approved procedures and approved shop
drawings without prior written approval from the Contracting Officer.
Materials or components with welds made off the site will not be accepted
if the welding does not conform to the requirements of this specification
unless otherwise specified. Assign each welder or welding operator an
identifying number, letter, or symbol that shall be used to identify his
welds. Each welder or welding operator shall apply his mark adjacent to
his weld using an approved rubber stamp or felt-tipped marker with
permanent, weatherproof ink or other approved methods that do not deform
the metal. For seam welds, place identification marks adjacent to the
welds at one meter 3 foot intervals. Confine identification by die stamps
or electric etchers to the weld reinforcing crown, preferably in the
finished crater.
3.2
WELDING OPERATORS
Perform welding in accordance with qualified procedures using qualified
welders and welding operators.
3.3
SUPPORTS
Welding of hangers, supports, and plates to structural members shall
conform to AWS D1.1/D1.1M.
3.4
EXAMINATIONS AND TESTS
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NOTE: The paragraphs will be edited and inserted if
necessary to ensure proper implementation of the
"CONTRACTOR QUALITY CONTROL PROGRAM." The
specification writer or design engineer must
indicate how much quality control of welding is
needed for each project and who is to be
responsible, i.e., primarily the Contractor or the
Government. If quality control is to be the
responsibility of the Government, delete paragraphs
SECTION 15216N
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