Question 1

What does WellFab do?

Accepted Answer

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.

Question 2

Do you work on live systems without shutdown?

Accepted Answer

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.

Question 3

Are you certified to perform hot tapping, line stopping, and pressure work?

Accepted Answer

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.

Question 4

What makes WellFab different from other mechanical contractors?

Accepted Answer

• 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

Question 5

What industries does WellFab serve?

Accepted Answer

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

Question 6

Do you provide site assessments before starting a project?

Accepted Answer

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.

Question 7

Can WellFab help determine the safest isolation method for my system?

Accepted Answer

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.

FAQ