城市局限空間重大事故與救援應變探討－以地下污水管線（疑似）硫化氫中毒職災為例

10.6311/ISHM.202302_(404).0005

楊沁縈；藍元貞；蕭任呈；楊倢；何明信

工業安全衛生

404期（2023 / 02 / 20）

31 - 43

繁體中文

鑑於局限空間職災事故經常發生，尤其硫化氫之中毒事故更趨於常見，本文利用真實發生的職災個案，分析檢討局限空間硫化氫中毒案件的相關事實與救援議題，包含事發以及事後現場的氣體濃度檢測評估，並對城市下水道作業與救援提出災害預防實務建議。根據文獻指出，局限空間事故經常伴隨多人死亡，其中一部分為救援人員，顯示救援應變安全益顯重要。本事故案例經實場調查與人員訪談之證據顯示，在城市下水道某些局限空間場合或路段，硫化氫濃度可能經常性存在，且達致死濃度範圍，但其致命性風險時常被相關工作者與救援人員低估或無從知悉，而值得思考的是，救援人員面對的營救風險、專業程度與救援方法等該如何匹配，方能有效救援與減少傷亡。

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