Physical/Sensory Requirements: All positions require sufficient body flexibility, mobility, stamina, and balance to allow for standing, walking, sitting, grasping and manipulation of work objects, frequent bending, stooping, reaching, climbing stairs/ladders; regular or occasional crawling, kneeling, squatting, lifting/ carrying objects up to 50 pounds, pushing and pulling objects up to 75 pounds, donning/doffing fall protection to work in confined spaces; interpreting written manuals, gauges, etc., including distinguishing various colors; comprehending voice communications in-person, over a radio/phone, and hearing operating equipment; operation of machinery and powered industrial equipment. Working Conditions: All positions require outdoor work, including during inclement and hot weather, and exposure to waterborne pathogens/agents, hazardous materials and gases, water hazards and wet/slippery surfaces, odors, fumes, humidity, dirt, dust, traffic hazards, venomous pests, uneven surfaces, and electric arc flash potential.