project specifications must specify, the tensile
strength, elongation, shear strength, size, length,
type, and location of the welds, as necessary.
**************************************************************************
Provide all welding work specified in this section for compressed air
piping systems and in conformance with ASME B31.1, as modified and
supplemented by this specification section and the accompanying drawings.
The welding work includes: qualification of welding procedures, brazing
procedures, welders, brazers, welding operators, brazing operators,
inspection personnel, nondestructive examination personnel, maintenance of
welding records, and examination methods for welds.
1.4.4.1
Butt Welded Joints
Butt welded joints shall be full penetration joints. Butt welded joints in
systems with working pressures over 2068 kPa (gage) 300 psig shall be full
penetration welds with consumable inserts or backing rings.
1.4.5
Employer's Record Documents
Submit to the ROICC for his review and approval the following
documentation. This documentation and the subject qualifications shall be
in compliance with ASME B31.1.
a.
List of qualified welding procedures that is proposed to be used
to provide the work specified in this specification section.
b.
List of qualified welders, brazers, welding operators, and brazing
operators that are proposed to be used to provide the work
specified in this specification section.
c.
List of qualified weld inspection personnel that are proposed to
be used to provide the work specified in this specification
section.
1.4.6
Welding Procedures and Qualifications
Determine performance qualification in accordance with ASME B31.1 and as
specified.
1.4.6.1
Specifications and Test Results
Submit copies of the welding procedure
specifications and procedure qualification test results for each type of
welding required. Approval of any procedure does not relieve the
Contractor of the responsibility for producing acceptable welds. Submit
this information on the forms printed in ASME BPVC SEC IX or their
equivalent.
1.4.6.2
Certification
Before assigning welders or welding operators to the work, submit a list of
qualified welders, together with data and certification that each
individual is performance qualified as specified. Do not start welding
work prior to submitting welder, and welding operator qualifications. The
certification shall state the type of welding and positions for which each
is qualified, the code and procedure under which each is qualified, date
SECTION 15212N
Page 14
Previous Page
