Performs tasks involving physical abilities, which require little or no specialized skill or previous work experience. The following are typical of laborers duties: loads and unloads supplies and materials, moves supplies and materials to point of use on jobsite, cleans up refuse on jobsite, uses shovel, pick, rake, etc. to dig, fill and level ground, and cleans items such as steel for use on the project. Laborers' duties are many and varied, but are generally those that do not require skill, experience, or the exercise of judgment.

CUsually under the direction of the Traffic Signalization Mechanic, involved in the erection of poles, span wire, control cables, signal heads, loops, conduit, services, controllers, wiring, and all related parts.

Lays out traffic signal system from plans, directs Traffic Signalization Installer, and may be involved in the installation of all traffic signalization materials.

Performs a variety of electrical trade functions such as installation, maintenance, and repair for the generation, distribution, and utilization of electrical energy. Generally plans and executes the layout of electrical conduit, wiring systems, switch-panels, circuit breakers, controllers, and other electrical transmission equipment. Utilizes a variety of electrical hand tools and measuring and testing devices.

Drives a light or heavy duty truck used in hauling materials. The truck may be tandem rear-axle type, single rear-axle type, or a tractor truck pulling a semi-trailer or trailer. May have various types of beds attached, such as, dump, flat bed, tank, etc.

Operates a power driven machine that digs trenches for sewer, water, drainage, oil, and gas lines. Machine is usually mounted on crawler treads with the digging equipment consisting of an endless chain of edge buckets that excavate and deposit the material on a conveyor belt, which in turn discharges the material at the side of the trench.