Performs preventive maintenance and replacement on building furnishings, interiors and exterior structures, such as replacing ceiling tiles, repairing roofs; installing siding; repairing light fixtures, installing and replacing carpet and flooring; replacing windows and doors, framing structures, pouring concrete, etc. Physical Ability: Tasks require the ability to exert heavy physical effort in heavy work, with greater emphasis on climbing and balancing, but typically also involving some combination of stooping, kneeling, crouching, and crawling, and the lifting, carrying, pushing, and/or pulling of moderately heavy objects and materials (20-50 pounds); may occasionally involve heavier objects and materials (up to 100 pounds).