Things are sure changing around here. Some contractors are doing renovations on the office supply warehouse where you work, so every day there're new hazards. Can you pick them out? Look around your workplace and identify situations that are safe or unsafe. Click the radio button in the column corresponding to your answer. A hole in a third floor platform is about 15 inches wide. There are standard railings on the exposed sides of a stairway opening. With this rarely used, unguarded stairway you can't use a fixed standard railing. There's a large opening in the roof with a cover. Safe Unsafe