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    Laborers' Local 20 was chartered on May 16, 1929 from the Laborers’ International Union of North America.

  • Welcome to


    We are the only Union representing cement and concrete workers throughout the United States and the only Union to pour reinforced concrete on a two day work cycle.


Article VII Work Covered

The Employees in the bargaining unit shall perform all of the following work:

Section 1.
The handling and wheeling of unmixed or dry concrete material, the mixing, wheeling, spreading, leveling, placing and ramming of concrete and cement mortar, the handling of all types and manner of form lumber or forms in connection with buildings and reinforcing steel: the hanging of all joists and the striking of centers and stripping of forms on all work enumerated in Article VII hereof.

Section 2.

  1. Reinforced concrete walls, footings and piers on all buildings.
  2. All reinforced concrete structures.
  3. Concrete floor arch construction, cellar floors and sidewalks on all buildings.
  4. Concrete used for fireproofing purposes.
  5. Monolithic gypsum floor and roof slabs.
  6. Concrete and cement mortar used in paving work.
  7. Hydrolithic waterproofing.
  8. Finished cement or composition floors.
  9. Floor and roof fill.
  10. Sleeper fill (except where the sleepers are placed over tile or brick arches).
  11. Concrete roads, curbs, concrete retaining wall and miscellaneous concrete, including pump and equivalent foundations, within the confines of a building site.
  12. Concrete in piles, pile caps and grade beams on all buildings.
  13. Concrete conduits, vault lights, concrete pipe trenches and tunnels connecting buildings.
  14. Cement mortar applied under pressure by a “Cement Gun” or any other pressure machine, such as “Guniting” (operation of nozzle not included).
  15. Spreading of porous fill to depth of twelve inches (12”) under concrete slabs on all buildings.
  16. Concrete swimming pools and transformer vaults.

Section 3.
Employees represented by the Union shall also be employed on the following work when done in connection with the work enumerated in Section 2 of this Article VII hereof.

  1. Fine grading, if preceding the placing of concrete on earth. Hand pumping casual rain water on all Buildings.
  2. The hanging of tarpaulins to protect concrete from weather (with the exception of any rigid or semi-rigid frame to support same) and the covering and wetting down and coating of completed concrete and finished surfaces for curing or protective purposes on all buildings.
  3. The handling of all cement and concrete debris and refuse derived from material used by the carpenters, cement masons and wire lathers on construction site. Final cleaning of all types of cement and concrete debris on all buildings shall be performed solely by Employees.
  4. Handling and tending any type of salamanders and all propane, diesel, kerosene or solid (coke, coal, etc.) used for winter protection of cement and concrete work; also the moving of salamanders, and propane, diesel, kerosene or solid (coke, coal, etc.) from floor to floor and from position to position. This also includes any electric devices used for winter protection of cement and concrete or any other device that becomes available in the future. Two (2) Cement and Concrete Workers shall be used to tend salamanders when seven (7) or more salamanders are used, regardless of who performs the work. When two (2) or more electric and or fuel type blower devices are used then two (2) Cement and Concrete Workers shall be employed.
  5. The cleaning and preparation of concrete floors to receive cement finish. Also all materials used within the process of elevator saddle patching, rat patching, flash patching, gypsum, and self-leveling cement shall be unloaded, mixed, distributed by the employee as well as the handling of all refuse and debris derived from this work.
  6. Cutting of concrete where cement finish is not to be applied, cutting openings in concrete wall and floors and to other concrete cutting not incidental to other trades.
  7. All labor in connection with cement and concrete work not specifically provided for under the Agreement, except where same has been officially awarded, after due hearing, to another trade group.
  8. Fire watching when required by Employers.
  9. Tending of cement masons, lathers, and carpenters on concrete construction, including handling of reinforced steel and lumber and materials for all types of form work.
  10. Tending of carpenters on fences and temporary protection work on concrete buildings.
  11. Erection of scaffolds up to fourteen feet (14’) in height which are to be used by Employees, lathers, and cement masons, and the planking of all scaffolds for concrete work.
  12. On alteration jobs, the removal of wooden partitions, wood and concrete floors and rubbish connected therewith, is to be done by Employees.
  13. When concrete is poured by mason tenders as per McAghon Decision, the tending of cement masons, carpenters and lathers is to be done by Employees.
  14. Stripping of all concrete forms shall be done as follows: stripping of all columns, beam sides and beam bottoms, wall and footing forms, flat arch forms of all types and construction, in fact all concrete forms on building construction shall be performed with an equal number of Employees and carpenters under the supervision of the carpenter foreman (Stripping of Concrete Forms Agreement between New York District Council or Carpenters and the Union dated May 31, 1956).
  15. All concrete planks being set by hand shall be set by Employees.
  16. With regard to concrete cylinders, where an Employer has contracted with a testing laboratory to break cylinders and the Employer itself is to take the cylinders, store them in a curing box and load them on a truck for transportation to the testing laboratory, the Employee will continue to perform the service of taking the concrete from the truck to the cylinders, rodding the cylinders, placing them in the curing box and loading them on a truck for delivery to the testing laboratory. When an Employer has a contract with a testing laboratory to take and break cylinders for compressive strength, the Employee will take the material from the concrete truck and deliver it to the inspector for placing in the cylinders, and the cylinders will be under the care and protection of the testing laboratory’s employee.
  17. The erection, maintenance and use of safety equipment, safety nets, barricades and certified flagmen where cement and concrete work is involved shall be performed by Employees.
  18. The unloading of all lumber, reinforcing steel and concrete used in the erection of all buildings shall be performed solely by Employees.
  19. Employees shall also continue to do all work which they have performed in the past.
  20. All materials that are used within the spectrum of the Cement and Concrete Workers jurisdiction that are to be hoisted or to be moved with the use of any form of crane, shall be prepared by Cement and Concrete Workers when Cement and Concrete Contractor controls the crane.
  21. All work performed in the past with reference to the erection, jumping, jacking and dismantling of a crane controlled by the employer shall continue to be performed by the employee.

Section 4.
The union shall have jurisdiction over all reinforced concrete in all jobs, including alteration jobs, foundation building jobs and steel structures.

Section 5.
When five (5) or more Employees are employed on a job site, an Employee will be designated or appointed by the Business Agent to handle coffee and lunch orders. When such Employee is not performing these duties, he will perform any assigned duties of an Employee assigned to him by the Foreman. With reference to discharge, Article IV, Section 4 shall apply.