Job Description:

• 1) Operates back-hoe to dig trenches for installation of septic tanks and drain lines for sewage disposal system: Reads blueprints to determine location of septic tank and drainpipes.

• 2) Operates back-hoe to dig and refill trenches for septic tank and tile drainpipes and to transfer crushed rock or gravel to provide drainage base for pipes.

• 3) Lowers septic tank into excavation, using back-hoe as hoist.

• 4) Directs workers engaged in spreading crushed rock and gravel, in laying tile drainpipe, and in connecting drainpipes to branch sewers.

• 5) May verify levels of rock or gravel, base, and tile drainpipe, using surveyor's or carpenter's level.