Uttarakhand Tunnel Collapse Updates: On November 12, labourers got trapped as portions of the Silkyara-Dandalgaon under-construction tunnel on the Brahmkhal-Yamunotri highway collapse following a landslide at around 5.30 am on the day of Diwali
An estimated 86 metres of vertical drilling is required to reach the tunnel s crust, after which it will be breached to access the trapped workers. | Latest News India
The NDMA member further said a very difficult operation is going on. Two methods are being used currently, but a third method that is drift method could also be used soon. Currently, 47-meter horizontal drilling has been completed, he said, adding the broken part of the auger machine has to be removed, and the drilled structure has to be kept stable.
Authorities are considering alternative plans to evacuate the 41 workers trapped in the collapsed Silkyara-Barkot tunnel in Uttarakhand. | Latest News India