# Toronto Transit Commission Bonfire #P58PY25493

TTC vehicle-based ultrasonic rail testing for subway lines 1, 2, and 4

**Posted:** November 02, 2026
**Respond By:** December 02, 2026
**Identifier:** P58PY25493
**NAICS:** 488210

The Toronto Transit Commission is seeking vehicle-based ultrasonic rail testing across three subway lines and associated track areas.
- **Buyer:** Toronto Transit Commission (TTC); no sub-agency or office is identified.
- **Services requested:** Test subway lines 1, 2, and 4, including yards and sidings.
  - The contractor must supply the labour, expertise, materials, and equipment, including a self-propelled automated ultrasonic rail-testing machine.
- **Notable requirement:** The notice identifies CGSB certification as a requirement.
- **OEMs and vendors:** No OEMs, equipment manufacturers, or vendors are named.

### Description

The TTC is seeking a consultant to provide labour, expertise, materials, and equipment for vehicle-based ultrasonic rail testing on Subway lines 1, 2, and 4, including yards and sidings. The consultant must provide a self-propelled automated ultrasonic rail testing machine. Required submissions include corporate and key staff summaries, a proposed methodology, a price schedule, a performance bond, a non-disclosure agreement, CGSB certification, and the proposal form. The submission deadline is December 2, 2026, at 2:00 PM EST.

[View original listing](https://ttc.bonfirehub.ca/opportunities/101715)