Aside from seeing you, which is my principal reason for being here, and satisfying myself that I can transport inanimate things from Mars to Earth, and therefore animate things if I so desire, I have no purpose. The Chessmen of Mars by Burroughs, Edgar Rice View in context.
At the helm of this and every other hard hat project, from cementing a parking lot to constructing an apartment building, is a construction project manager (PM). The PM has the primary responsibility of planning a particular construction job and overseeing its progress along the way.
Assistant project managers assist project managers on various construction projects, including the building of homes, offices, schools, treatment plants, roads and bridges. They also read blueprints and analyze specs for jobs to ensure projects are accurately completed.