Frequent sitting for prolonged periods of time, using hands/fingers requiring dexterity and coordination to handle files and single pieces of paper, reaching with hands and arms for items above and below desk level, talking, hearing, and seeing (up close, at a distance, along the periphery, with depth perception, and the ability to adjust focus); walking from place to place. While on the project site, reaching with hands and arms for items above and below sight level, talking, hearing, and seeing (up close, at a distance, along the periphery, with depth, color perception, and the ability to adjust focus); walking from place to place within the project location with occasional use of stairs and no elevator available; bending, pushing, pulling, and standing for up to 12 hours.