Tasks involve 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). Performs deep cleaning projects as needed: Dust & polish chairs, desks, tables, shelves and other furniture, dust & clean return air grills & registers, light fixtures, etc.