Umred Opencast Inundation 23.09.2010 Introduction : Umred OCP was a 3.5MTPA capacity mine of WCL. The mine was producing about 4.5% of total WCL’s output at that time. A river named Amb was flowing through the coal bearing area of the mine. The river was diverted 3rd time in the last 4 years to make coal available for mining. This is the second fatal accident in WCL mines in two days as 2 person killed in roof fall of sillewara UG mines just couple of days ago. Dragline: A dragline of size 15/90 was in operation at that time in umred ocp The dragline was procured from erstwhile USSR(now Russia) for around 2.7 Cr. was of 1978 make. The dragline weighed about 2000 tonnes. Accident: On 23.09.2010 around 6:45 AM,because of multiple causes, a bench slide occurred It damaged the embankment,about 150m of embankment ruptured and millions of litres of water flowed into the mine. Due to accumulation of water at the base of the dragline dump weakened it. And the dump started sliding. Shovel an