Department 300 - General Construction
General Construction Workers Industrial Union 310
All workers engaged in construction of docks, railroads, highways, streets, bridges, sewers, subways, tunnels, canals, viaducts, irrigation canals and pipelines.
Ship Builders Industrial Union 320
All workers engaged in building and repairing ships, boats, and small harbor craft. All drydock workers.
All workers engaged in erection and construction of houses and buildings, and in delivery of materials.