Certified trades for the industries that power the Western Downs
From gas fields and coal mines to power stations, solar and wind farms and working farms, WJC provides boilermaking, pressure welding, fabrication and mechanical fitting across Southern Queensland.
Industries we serve
Gas and CSG
Pressure and pipeline welding, tie-ins and maintenance for the Surat Basin gas fields.
Mining
Heavy equipment boilermaking, fixed plant maintenance and shutdown crews for Queensland mines.
Power Stations
Boiler, air heater, mill and duct work overhauls and pressure welding for outages.
Renewables
Structural steel, fabrication and maintenance support for solar, wind and battery projects.
Agriculture
Farm machinery repairs, cattle crates, irrigation pump stations, trailers and on-farm steelwork.
Our services
Mobile Boilermaking
Fully equipped site vehicles for on-site cutting, fabrication and repair, wherever the job is.
Pressure Welding
Certified pressure welding to AS/NZS 3992 for boiler tubes, headers, vessels and high-pressure pipework.
Pipeline Welding
In-situ pipeline welding, tie-ins and weld remediation for the Surat Basin gas fields.
Structural Steel Fabrication
Structural steel fabrication and erection to AS 1554.1, in the workshop or on site.
Mechanical Fitting
Pump, valve and gearbox rebuilds, rotating equipment overhauls and laser shaft alignment.
Shutdown Crews
Boilermakers, fitters and riggers for planned shutdowns and outages, on schedule.
24/7 Breakdown Repairs
After-hours and emergency call-outs for plant, machinery and pipework failures.
Why work with WJC
- Certified to AS 1554.1 structural steel, AS/NZS 3992 pressure welding and AS/NZS ISO 9606-1 welder qualification
- Regular third-party welding supervisor testing and inspection
- Over 15 years of on-site experience in energy, mining, gas and agriculture
- Fully equipped site vehicles with high quality, reliable tooling
- Standard 11, coal board medical, confined space and working at heights
- Available 24/7 for breakdowns and emergency call-outs
Planning a shutdown, project or breakdown response?
Talk to us about scope, timing and site requirements. We'll talk the job through with you directly.