Role and Responsibilities. Under supervision, performs varied types of manual and unskilled laboring work. May drive a truck relating to laboring work on occasion. Performs other related duties as required. Digs trenches and does manual grading. Loads and unloads trucks. Shovels gravel and sand. Mixes cement and mortar. Places forms used in concrete work. Performs cold patching. Learns to operate construction and/or maintenance equipment. May lea...