Our workforce is comprised of a highly experienced and specialised group that can provide a wide scope of services, from the fabrication and installation of new piping systems to structural steel fabrication and the construction and maintenance of existing services through to operational support for our client’s projects.

Our multi-skilled workforce has diverse experience across all of our capabilities. Our core capabilities are outlined below:

  • Pipe Fabrication
    • new pipe spooling of carbon steel and stainless steel
    • modifications to existing piping systems
  • Site Welding
    • new pipeline construction
    • maintenance welding of existing pipelines (water and wastewater)
    • upgrade work in pump stations
  • Structural Fabrication
    • such as flumes, cement holdings, platforms, roof structures, walkways etc
    • cutting and rolling of steel plates
  • Pressure Vessels
    • fabrication of unfired pressure vessels
  • Cement Lining
    • new pipe spooling
    • in-situ pipelines (major/minor works)
    • repairs to in-service pipelines
  • Installation of Pipelines & Structures
    • specialising in MSCL pipelines
    • various sizes of piping and materials e.g. stainless steel and carbon steel
    • structural installation including pumping stations, walkways, platforms, stairs, roof structures etc.
  • Supplier of Materials
    • Including, flanges, gaskets, MSCL piping lengths, piping bands and structural fasteners, paint coating, convex bands, steel plates etc.
  • Provision of Specialised Labour
    • boilermakers, welders, cement renderers, protective coating applicators and construction personnel
  • Civil Works
    • including drainage, earthworks, application of protective coatings etc.
  • Installation of Mechanical Items
    • valves e.g. regulating valves, gate valves, reflux valves etc. in addition to safety platforms, boom gates, hatch covers etc.
  • Onsite Maintenance of Fixed Plant
    • repairs and modification of equipment
  • Painting
    • blasting and painting of new and existing pipelines
  • Maintenance
    • repairs to existing pipelines and civil assets (e.g. valve pits, structural steel items etc.)
  • Consulting
    • provide consulting service on project management, quality assurance, estimation and site works

OJG can provide tailored services according to our Clients needs. We are currently on the Water Corporation panel serving as a Specialist Welding Contractor for the:

  • Fabrication, supply and installation of MSCL fittings for pipes of size DN50 – DN2200;
  • Maintenance welding on existing pipelines and pumping stations; and
  • Structural steel fabrication and installation.

We also service Civil Contractors as a Specialist Welding Sub-Contractor for the:

  • Laying, jointing and welding of trenched MSCL pipes of size DN50 – DN2200;
  • Fabrication, supply and installation of MSCL fittings/pipe spools of varying diameters.