# Quebec SEAO #ebee2310-7e38-40e2-b924-36f7f69edf99

Upgrade of CO and NO₂ Gas Detection Equipment for Multiple Buildings in Abitibi-Témiscamingue

**Posted:** August 17, 2026
**Respond By:** October 02, 2026
**Identifier:** ebee2310-7e38-40e2-b924-36f7f69edf99
**NAICS:** 238290

The Société québécoise des infrastructures (SQI) is seeking qualified contractors to upgrade carbon monoxide (CO) and nitrogen dioxide (NO₂) gas detection systems in multiple buildings in Abitibi-Témiscamingue, Quebec.
- Scope of work:
  - Replacement and installation of CO and NO₂ detection probes
  - Installation of control equipment and related components
- No specific OEMs, brands, or part numbers are specified in the solicitation
- Contractor requirements:
  - Must hold qualifications and licenses under the Quebec Building Act
  - Must have a permanent establishment in Quebec or an applicable territory
- Project timeline:
  - Completion required within 18 weeks from contract date
- Unique requirements:
  - Compliance with Quebec construction regulations
  - Participation in a virtual pre-bid meeting is strongly recommended
- Estimated contract value: 644,784 CAD

### Description

The Société québécoise des infrastructures is conducting a public tender for construction work to upgrade gas detection systems for CO and NO₂. The work includes replacement and installation of detection probes, control equipment, and related components across multiple buildings in the Abitibi-Témiscamingue region. The contract requires qualifications under the Building Act and a permanent establishment in Quebec or applicable territory. The work must be completed within 18 weeks from the contract date, with a probable start date between November 2 and December 2, 2026.

[View original listing](https://seao.gouv.qc.ca/avis-resultat-recherche/consulter?ItemId=ebee2310-7e38-40e2-b924-36f7f69edf99)