Under immediate supervision, assists in the installation and removal of underground/ aboveground storage tanks (UST/AST), assists in the repair and upgrade of fueling systems and also perform a variety of other related work as required.

The TI is the entry level class in the series, distinguished from the TII in that the TI does not operate heavy equipment or perform repair work unsupervised. Assignments are generally limited in scope and are set within procedural frameworks established by higher level positions. As experience accrues, the TI performs with increasing independence. Work requires the TI to exercise some judgment in selecting appropriate established guidelines to follow; significant deviations require prior approval. Interpretation of general administrative or operational policies is sometimes necessary.

Receives immediate supervision from the Project Superintendent on the job site; however reports directly to the Division Manager on all issues not job specific.