Ability to perform essential maintenance to facility or equipment which may involve, but not limited to the following activities: semi reaching to full-reach overhead; crouching; kneeling; shoveling; carrying, working in narrow and/or confining spaces: underground, overhead, and at ground level; twisting of the waist, shoulders, and legs; and lying on stomach and/or back. Duties include, but are not limited to, wet and dust mopping, dusting, trash removal, recycling, window washing, pool cleaning, painting, vacuuming, seasonal activities dealing with lawn care and snow removal, and general cleaning.