N.H. Admin. Code § Puc 802.05
"Excavation" means "excavation" as defined in RSA 374:48, III, namely, "any operation conducted on private property or in a public way, right-of-way, easement, public street, or other public place, in which earth, rock, or other material in the ground is moved, removed, or otherwise displaced by means of any tools, equipment, or explosive, and includes but is not limited to drilling, grading, boring, milling, trenching, tunneling, scraping, tree and root removal, cable or pipe plowing, fence or sign post installation, pile driving, wrecking, razing, rending or moving any structure or mass material, but does not include the tilling of soil for agricultural purposes, landscaping and maintenance of residential property performed with non-mechanized equipment, landscaping activities performed with mechanized equipment that are intended to cut vegetation, including lawn edging, aeration, and de-thatching, excavations permitted or grand fathered under RSA 155-E, or replacement of department-of-transportation-installed delineator posts in the same location."
N.H. Admin. Code § Puc 802.05
#7350, eff 8-23-00; ss by #9226, INTERIM, eff 8-16-08; ss and moved by #9318, eff 11-8-08 (from Puc 802.04 )