Volume-II of IV - GAIL

MECON LIMITED
REGD. OFF: RANCHI (BIHAR)
PROCESS & PIPING
DESIGN SECTION
NEW DELHI
TITLE PIPING FABRICATION AND
ERECTION
STANDARD SPECIFICATION
SPECIFICATION NO. PAGE 19 OF 62
MEC/S/05/62/06 REVISION 0
ii. To supervise the welding procedure qualification.
iii. To supervise the welder performance qualifications.
c) Contractor shall intimate sufficiently in advance the commencement of
qualification tests welding works and acceptance tests, to enable the
plant owner's inspector to be present to supervise them.
1.13.2 Welding Procedure Qualifications
a) Welding Procedure Qualification shall be carried out in accordance with
the relevant requirements of API 1104/ ASME Sec-IX or other applicable
codes and other job requirements by the contractor at his expense. The
contractor shall submit the welding procedure specifications in format as
per Exhibit-C (attached) immediately after the receipt of the order.
b) COMPANY's inspector will review, check and approve the welding
procedure submitted and shall release the procedure for procedure
qualification tests. The procedure qualification test shall be carried out by
the Contractor under field conditions at this own expense. A complete set
of test results in format as per Exhibit-D (attached) shall be submitted to
the COMPANY's inspector for approval immediately after completing the
procedure qualification test and atleast 2 weeks before the
commencement of actual work. Standard tests as specified in the code
shall be carried out in all cases. In addition to these tests, other tests like
radiography, macro/ micro examination, hardness testers, dye penetrant
examination, Charpy V-notch etc. shall be carried out on specimens. It
shall be the responsibility of the contractor to carry out all the tests
required to the satisfaction of the COMPANY's Inspector. The destructive
testing of welded joints shall be as per Annexure-2 and ASME Sec-IX.