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Indian tunnel collapse kills seven construction workers

An explosion during tunnelling for the Kaleshwaram Lift Irrigation Project Package 10 in India is reported to have killed seven construction workers.

kaleshwaram lift irrigation project 6

Investigations are looking into whether the explosion was linked to the drilling boomer, which was similar to the one used on project 6 on the same scheme

The roof of the tunnel is reported to have caved in following an unplanned blast within the tunnel.

The tunnel was being constructed using drill and blast techniques and current investigations are looking at whether the drilling boomer was the cause of the explosion.

The tunnel, at 81km long, will be the longest to carry water in Asia when completed and it will transfer water between the Yellampalli barrage and the Mallannasagar reservoir. Recent reports had suggested that tunnelling was nearing completion and work was now underway on the lining work.

India’s chief minister K Chandrasekhar Rao expressed shock at the deaths and has ordered an investigation to ensure lessons are learnt from the incident.

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