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.
The degree with which a construction project manager is involved in the daily routine depends on the size of the project, the number of assistants he has and his personal management style. At minimum, the construction manager organizes activities and meets with his assistant managers or supervisors to review goals and progress.