Laborer. Why Work For Donco 3 Construction. Local projects within a 100-mile range. Experience-based wages. Health insurance. Retirement. Trained Laborers with Donco 3 Construction perform tasks involving physical labor for concrete projects. Laborers may operate a variety of hand and power tools. They may also clean and prepare sites, dig trenches, set and carry concrete forms, erect scaffolding, clean up rubble and debris, and remove waste mate...