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Régie du bâtiment du Québec

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Searching for a contractor or a licence number: consult the Licence holders' repertory.

Searching for a contractor or a licence number: consult the Licence holders' repertory.

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Issuance and amendment of licences
Please note that our processing times are currently longer than usual. As of April 10, 2026, we are processing applications received on the following dates:

  • Priority applications: March 31, 2026
  • Regular applications: February 9, 2026

This content in English is intended for individuals covered by the exceptions to the Charter of the French language and its regulations.

Formation continue obligatoire

The last reference period ended on March 31, 2026. You have 90 days to report your hours.

Report your hours
Determining the required licence

List of subclasses

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1.6 Contractor – Underwater civil engineering structures

This subclass authorizes construction work on underwater civil engineering structures relating to water intake, sewer outfalls, bridge pillars and caissons.

It also authorizes construction work included in licence subclasses 3.1, 4.1, 5.1 and 6.1 of Schedule II, when said work relates to civil engineering works governed by this subclass. 

Finally, it authorizes similar or related construction work.   

Additional explanations

This subclass authorizes, without exceeding the regulatory framework, construction work relating to:

  • dams other than those for generating electrical power
  • the dredging of ports, canals, seaways 
  • intake canals, jetties, breakwaters, booms, wharves, dikes, locks, basins, cofferdams, boat launches
  • the anchoring of booms or floating docks.   

This subclass authorizes its licence holder to carry out construction work governed by the following subclasses when said work relates to civil engineering works governed by this subclass:  

  • 3.1 Concrete structures
  • 4.1 Masonry structures
  • 5.1 Metal structures and prefabricated concrete elements
  • 6.1 Wood structures
  • All work included in

If in doubt as to the applicable subclass, refer to the Keyword Index or contact us.
To complete a licence application

Formation continue obligatoire

The last reference period ended on March 31, 2026. You have 90 days to report your hours.

Report your hours

Send us your comments.

For further information or to file a complain or report, visit the Contact the RBQ webpage.