Ind. Code § 8-1-26-6

Sec. 6. As used in this chapter, "excavate" means an operation for the movement, placement, or removal of earth, rock, or other materials in or on the ground by use of tools or mechanized equipment or by discharge of explosives, including augering, backfilling, boring, digging, ditching, drilling, driving, grading, jacking, plowing in, pulling in, ripping, scraping, trenching, and tunneling.