21545 Ridgetop Circle Sterling, VA 20166 |P:703-437-8819. Laborer Job Summary. Perform any combination of the following tasks: grade trenches or culverts, position pipe, or seal joints. In addition to laying pipe, the pipe layer also works with laborers to dig trenches for/around existing utilities. Essential Duties and Responsibilities. Hand dig around existing utilities when necessary. Trained to operate tampers, jackhammers, drills, and saws. ...