1992年11月13日14时许,金华市某银行建造一幢楼房的工地上正在用套筒式机械打第一口桩井。在钻井深5.7m时遇到石块顶住,民工王某未系救护带攀绳下井搬石,当石块被撬动后,冒出异常气味和污水。王某仅喊了一句“有煤气”即昏倒。3位民工见状未戴防护用具先后下井救人,均昏倒井下。第5人刚下井1.5m深时,一股刺鼻气味扑面,立即感到头昏、胸闷,眼和咽部刺激感,赶紧返回地面,骑自行车到医院就诊。就诊时昏倒,经救治康复。昏倒在井下的4人经抢救无效死亡。死者全身皮肤呈青紫色,睑结膜、球 At 14 o’clock on the November 13, 1992, a bank of machinery was used to hit the first pile shaft at the construction site of a building in a bank of Jinhua City. In the drilling depth of 5.7m encounter stones to withstand migrant workers Wang did not help the rescue belt climbing rope well, when the stone was leveraging, the unusual odor and effluent. Wang shouted only a “gas” that fainted. Three migrant workers saw no wearing protective gear has to go down to save people, have fainted downhole. When the fifth person just went down 1.5m deep, a pungent smell blowing immediately felt dizzy, chest tightness, eye and throat irritation, and quickly returned to the ground, riding a bike to the hospital. Faint when treated, after treatment and rehabilitation. Four people collapsed in the underground after the rescue died. Dead body was purple skin, conjunctiva, ball