FAQ

WellFab specializes in full-scope mechanical services, including hot tapping, line stopping, pipe freezing, leak detection, thermowell insertion, engineering & fabrication, district-energy piping, and Energy Transfer Station (ETS) installations. We provide turnkey solutions from engineering and prefabrication to on-site execution and QA/QC closeout.

Yes. Zero-downtime work is one of WellFab’s core strengths. Our team performs hot taps, line stops, pipe freezes, thermowell insertions, and mechanical modifications while systems remain fully operational, eliminating the need for draining or shutting down critical infrastructure.

Yes. WellFab holds multiple TSSA certifications and follows ASME, CSA, and Ontario Building Code standards. All welding, pressure piping, and specialty services are performed by certified technicians under approved procedures.

• Zero-downtime expertise

• Specialized live-system services not commonly offered by other contractors

• Engineering-driven approach

• End-to-end delivery from design to execution

• District-energy proficiency

• Strong safety, documentation, and compliance

We provide solutions for a wide range of sectors, including:

• District energy networks

• Commercial and residential high-rises

• Industrial facilities and plants

• Hospitals, universities, and institutional buildings

• Data centers

• Mechanical and general contractors

Yes—when required. WellFab can perform on-site assessments to evaluate system conditions, access, pipe materials, pressures, and any areas that may need modification or upgrades before work begins.

Absolutely. Our team evaluates your system’s pressure, temperature, material, and layout to determine whether hot tapping, line stopping, pipe freezing, or another method is the safest and most efficient approach.