Piping, Structural Fabrication & Erection

DOPET's Piping and Structural fabrication workshop is situated at Salwa Industrial Area near Doha, DOPET's main facility have a covered workshop of over 600 M2 in area with a 10-ton overhead crane and an open yard of over 15'000 M2 in area. Our fabrication shop is equipped with latest machinery which includes oxygen / gas profile cutters, guillotine, plate rollers, etc.


Well Template for Oxy Al Rayan Project DOPET have the facility to offer full design and construction of all types of structural as a single unit or in parts. Heavy units can be fabricated in parts and assembled at our Ras Laffan construction yard with the help of our own cranes. Ras Laffan port is just 8 km away from our yard and 15 m wide road access is available between yard and port.



60inch Header_Erection - LandT Project RaslaffanCalm Buoy Piping - Oxy Offshore Project Equipped with all types of welding process which include:

  • SMAW : Shielded Metal Arc Welding
  • SAW : Submerged Arc Welding
  • TIG : Tungsten Inert Gas Welding
  • MIG : Metal Inert Gas Welding
  • FCAW : Fluxed Cored Arc Welding

DOPET is competent enough to manufacture piping in all types of ferrous and non ferrous materials which include but not limited to: Carbon Steel Stainless Steel Duplex Cupro-Nickel Aluminium Glass Reinforced Epoxy. DOPET has in excess of 80 Welding Procedure Specifications (WPS) for all types of materials certified by Third Party Inspection (TPI) agencies. All DOPET welders are coded and certified to in-house procedure qualifications with up to date records maintained.

DOPET has a proven track record of quality performance of defect free products which we encourage our customers to verify by checking our weld repair rates which are commonly under 0.35 defects.