1案例材料2006年1月1日18时,在某火车站货场四道的12号桥吊上掉下一人死亡,后经了解死者系陈某某(女、42岁)。与当日开吊车的司机田某某(男、49岁)认识,两人来往多年。2现场情况现场位于货场的12号桥柱处。田某某所驾驶的吊车操作间距地面9m,吊车操作间门外西侧护栏栏杆直径2.2 Case Materials At 1800 hours on January 1, 2006, one person died on the 12th suspension bridge of the four lanes at the freight yard of a railway station, and Chen Moumou (female, 42 years old) was informed of the deceased’s death. Tian Moumou (male, 49 years old), a driver who opened the car on the same day, had known for years. 2 scene The scene is located at the freight yard bridge 12 Department. Tian Moumou driving the operation of the crane spacing 9m above ground, crane operating room west of the fence guardrail diameter 2.2