Keep buildings in clean and orderly condition. Perform heavy cleaning duties, such as cleaning floors, shampooing rugs, washing walls and glass, and removing rubbish. Duties may include tending furnace and boiler, performing routine maintenance activities, notifying management of need for repairs, and cleaning snow or debris from sidewalk. Clean building floors by sweeping, mopping, scrubbing, or vacuuming them. Gather and empty trash. Service, clean, and supply restrooms.