This project is the structural design and construction drawing of a multi-storey frame long-span factory building, including design instructions, roof slab reinforcement drawing, sixth floor slab reinforcement drawing, fourth floor slab reinforcement drawing, fourth floor beam reinforcement drawing, fifth floor plane formwork drawing, sixth floor plane formwork drawing, second floor slab reinforcement drawing, 3 # and 4 # stairs standard floor structural plan, 1 # and 2 # stairs standard floor structural plan, etc.