Operators must be able to tolerate high noise levels. Good communication skills are necessary, and employers look for individuals who are able to work without supervision. Working Conditions Workers employed in this occupational group should be prepared to work in noisy, dusty and dirty environments in almost any kind of weather. Those who operate excavating and grading equipment have to sit for long periods of time on vibrating or bouncing machinery. Hearing protection, special safety boots, gloves, goggles and hats are often required.
Hours of work vary from worker to worker.
For example, a snow-removal operator may start clearing streets at three o'clock in the morning and work until the snow is cleared from the roads. A bulldozer operator may work an eight hour day starting at seven o'clock in the morning. In some cases, considerable overtime and weekend work may be required. The number of workers employed in this large occupational group increased from 8,170 in 1990 to 9,270 in 1998. Entry positions may require a union membership.