This topic examines the occupational health, safety and hygiene requirements of construction sites. Option a is wrong. Garbage cans should be set up in the dormitory, shoe cabinets or shoe racks should be set up outside the dormitory, and places for workers to dry clothes should be provided in the living quarters. Option c, the dormitory on the construction site must be provided with openable windows, and the beds in the dormitory should not exceed 2 floors. It is forbidden to use bunks.