Physical Demands: See hazards, safety warnings, and barriers; Bend knees for lifting and routine work tasks; Stoop for work positioning and lifting to perform work tasks; Lift maximum 50 lbs without assistance; Ability to comprehend, and respond to audible/visual instructions, alarms and warnings; Climb/balance on ladders, scaffolding, and structures for work tasks; Kneel for work positioning and work task performance; Reach above shoulders and away from body to perform work tasks; Demonstrate manual dexterity to perform work tasks. Follow all health, safely, and environmental requirements; Perform cleanup duties; Perform material handling and storage duties; Identify, use, and care of common hand and power tools; Use and care of craft specific tools and equipment; Knowledge and application of craft related mathematics; Distribute potable drinking water as required; Perform fire watch and/or confined space hole watch; Identify building materials, fasteners, and adhesives.