Notice to All Employers of LIUNA Local 183 Employees Doing Concrete and Drain Work

NOTICE TO ALL EMPLOYERS OF EMPLOYEES REPRESENTED BY THE LABOURERS’ INTERNATIONAL UNION OF NORTH AMERICA, LOCAL 183 ENGAGED IN CONCRETE AND DRAIN WORK IN OLRB BOARD AREAS 7, 11, 12, 27 AND 29

The Ontario Concrete and Drain Contractors Association (the OCDCA) has applied to become an accredited employers’ organization pursuant to section 134 of the Labour Relations Act, 1995 (the Application) for the following bargaining unit:

1. All employers of employees engaged in concrete and drain work for whom the Labourers’ International Union of North America, Local 183 (Local 183) holds bargaining rights, performing the work in the following paragraph in Board Areas 7, 11, 12, 27 and 29.
2. The work covered by this accreditation certificate includes all concrete and drain work in all sectors of the construction industry save and except for the industrial, commercial and institutional sector, in the interior of any building regardless of the size of the site, and in respect of new single family residential subdivision sites consisting of detached or semidetached houses and which are not townhouses or residential high-rises (condominiums or rentals), from the individual lot property line to the interior of the house.
3. The bargaining unit excludes employers bound by and performing work under any of the following collective agreements in accordance with past or existing practices as at the date hereof:
   1. Collective Agreement between the Toronto Area Road Builders’ Association and a Council of Trade Unions acting as the representative and agent of Teamsters, Local 230 and Local 183;
   2. Collective Agreement between the Low Rise Forming Association of Metropolitan Toronto and Vicinity and Local 183;
   3. Collective Agreement between certain Landscaping Contractors and Local 183;
   4. Collective Agreement between the Building Restorations and Associated Work Contractors and Local 183;
   5. Collective Agreement between the Masonry Contractors’ Association of Toronto Inc. and Masonry Council of Unions, Toronto and Vicinity;
   6. Collective Agreement between various Plumbing Contractors and Local 183;
   7. Provincial Civil Engineering Collective Agreement being a Collective Agreement between various civil contractors and the LiUNA, Ontario Provincial District Council;
   8. Collective Agreement between The Ontario Allied Construction Trades Council and the Electrical Power Systems Construction Association;
   9. Collective Agreement between the Ontario Precast Manufacturers Association and the LiUNA, Ontario Provincial District Council;
   10. Collective Agreement between the Heavy Construction Association of Toronto and Local 183;
   11. Labourers’ Mainline Pipeline Agreement for Canada between the Pipe Line Contractors Association of Canada and Local 183;
   12. Labourers’ Distribution Pipeline Agreement for Canada between the Pipe Line Contractors Association of Canada and Local 183;
   13. Collective Agreement between the Ontario Formwork Association and the Formwork Council of Ontario;
   14. Collective Agreement between the Metropolitan Toronto Apartment Builders’ Association and Local 183;
   15. Collective Agreement between the Toronto Residential Construction Labour Bureau and Local 183;
   16. Collective Agreement between the Residential Framing Contractors Association of Metropolitan Toronto and Vicinity and Local 183;
   17. Collective Agreement between the Utility Contractors Association of Ontario and LiUNA, Ontario Provincial District and its affiliated Local Unions; and
   18. Collective Agreement between the Greater Toronto Sewer and Watermain Contractors Association and a Council of Trade Unions acting as the representative and agent of Local 183 and the Teamsters, Local 230.

Local 183 is the Responding Party to the Application. The Application affects all employers for whom Local 183 holds bargaining rights and who operate in the above-noted bargaining unit.

If you are an employer that is or may be affected by this Application, you must file an “Employer Filing in Application for Accreditation, Construction Industry” (Form A-94) by the Employer Filing Date. The Employer Filing Date is March 11, 2026. This form is available on the Board’s website:

http://www.olrb.gov.on.ca/FormsByNumberEN.asp

You can determine whether your company is affected by this application by inspecting the material filed in the Application (OLRB File No. 2729-25-R), which is available on the Board’s website.

This material includes a complete copy of the pleadings in this matter, a list of employers who may be affected by the application, and a description of the proposed bargaining unit:

http://www.olrb.gov.on.ca/ConstructionEN.asp

All employers are urged to confirm whether they are affected by this Application as no further notice of this matter will be given unless employers notify the Board, by filing an “Employer Filing” not later than March 11, 2026. The Board may decide this matter without a hearing after the Employer Filing Date or if a hearing is scheduled, only those employers who have filed an “Employer Filing” will receive notice of the hearing.

Questions may be directed to Carrie Clynick, Mediator, Ontario Labour Relations Board, by phone at 647-280-5419 or by email at [email protected].