Volume-II of IV - GAIL

MECON LIMITED
REGD. OFF: RANCHI (BIHAR)
PROCESS & PIPING
DESIGN SECTION
NEW DELHI
TITLE PIPING FABRICATION AND
ERECTION
1.5 Equipment & Accessories
STANDARD SPECIFICATION
SPECIFICATION NO. PAGE 13 OF 62
MEC/S/05/62/06 REVISION 0
1.5.1 The Contractor should have the arrangement of sufficient number of welding
and cutting equipments, auxiliaries and accessories of sufficient capacities so as
to meet the target schedule.
1.5.2 All the equipment for performing the heat treatment, including transformers,
thermocouples, flow meters, automatic temperature recorders with suitable
calibration arrangement etc. shall be provided by the Contractor, at his own
expense and these should bear the approval of the COMPANY.
1.5.3 Contractor shall make necessary arrangements at his own expense for providing
the radiographic equipment, radiographic films, and all the equipment/ materials
required for carrying out the dye penetrant/ magnetic particle test for satisfactory
and timely completion of the job.
1.5.4 Redoing of any work necessitated by faulty equipments or operation used by the
Contractor, will be done at his own expense.
1.6 Welding Processes
1.6.1 Welding of various materials under this specification shall be carried out using
Shielded Metal Arc Welding (SMAW) Process with the approval of the Engineerin-charge.
1.6.2 The welding processes to be employed are given in the welding specification
chart. Any deviation desired by the Contractor shall be obtained through the
express consent of the Engineer-in-charge.
1.6.3 Automatic and semi-automatic welding processes shall be employed only with
the express approval of the Engineer-in-charge. The welding procedure adopted
and consumables used shall be specifically approved.
1.6.4 A combination of different welding processes or a could be employed for a
particular joint only after duly qualifying the welding procedure as per the
requirements of code of fabrication to be adopted and obtaining the approval of
the Engineer-in-charge.