Physical Requirements: Constantly sees and hears; speaks, frequently sits, stands, walks, drives, writes by hand, uses a calculator, files; infrequently kneels, stoops, squats, crawls, twists body, climbs, crouches, runs, types, holds, carries and lifts objects weighing up to 70 lbs., holds and pushes objects weighing up to 25 lbs., pulls objects weighing up to 40 lbs., drags objects weighing up to 100 lbs., cleans, files, sorts and uses calculator. Skills/Abilities: Ability to read and interpret blueprints, designs and job orders; ability to supervise and coordinate the activities of a large group of workers; ability to express ideas clearly, orally and in writing; ability to understand and set grades established by engineers design drawings; ability to calculate construction material quantities and provide estimates.