Operates various equipment and vehicles to complete tasks related to the maintenance, upkeep, installation and construction of city grounds, property, utilities, rights-of-way, and other infrastructure for Public Works; drives vehicles over public roads, worksites, right-of-way, parks, public works facilities, and other city property; maneuvers in and around traffic, parked cars, equipment, utilities, and other obstacles; obeys all traffic laws and safety guidelines, monitors immediate environment and work are to ensure the safety of the operator, other workers, the equipment and the public. Drives bucket and/or lift truck to work site and operates lift mechanisms to elevate crews performing various maintenance, upkeep and installation for traffic systems, tree trimming and other tasks requiring access to high places; positions vehicle and lift-platform to ensure optimum access to the required location and avoid power lines, low branches, traffic and other hazards; monitors activities to ensure the safety of crew workers.