Strength in standing of which the majority of job duties is performed standing, walking to obtaining materials, and sitting of which the nature of work activities do not recognize seated posture, lifting up to 100 lbs.-carrying and lifting plywood, drywall, lumber, etc., pushing and pulling carts with materials, tools, etc.• Must be able to climb up and down structures, ladders, catwalks, up & down roofs, platforms, and balancing when laying out walls, decks, platform structures. on expressways.• Exposed to mechanical and electrical hazards when using circular saws, power sanders,• Exposed to mechanical and electrical hazards when using circular saws, power sanders, and 600 VDC rail, burn hazards from creosote burns in warm weather, chemical hazards from solvents, creosote, thinners and reducers and heights when working on structure, on roof and catwalks.•