Uttarkashi tunnel rescue: Next few hours crucial; here’s how NDRF plans to pull out trapped workers

The last pipe is being pushed in

Uttarkashi Tunnel Rescue ops Rescue and relief operation underway after a portion of a tunnel under construction between Silkyara and Dandalgaon on the Brahmakhal-Yamunotri national highway collapsed, in Uttarkashi district | PTI

The next few hours of the rescue operations at the Silkyara tunnel is going to be crucial. The National Disaster Response Force (NDRF) has laid out proper plans as they will be pulling out the 41 trapped workers from the tunnel soon.

According to the NDRF plan, the workers will one by one will be pulled out with the help of wheeled stretchers tied to ropes. NDRF Director General Atul Karwal has said that the force is fully ready for the evacuation.

It has been 11 days since the workers have been trapped after a portion of the under-construction tunnel collapsed on the Uttarakhand Char Dham route.

The NDRF men will go through the pipe and once they reach the workers, they will use their equipment to start sending them out of the tunnel one by one, said Karwal.

According to the officials, the workers will lie upon low-height, wheeled stretchers and BDRF men will pull them out one after the other using ropes.

Before the workers are wheeled out, the 800-mm diameter rescue pipes will be thoroughly checked to ensure that no debris acts as an obstruction in the movement of the stretchers.

"These 800-mm pipes have a width of nearly 32 inches which is enough. Even if we get a width of 22-24 inches, we can pull out people through them. Our men have carried out rehearsals for the exercise," Karwal was quoted by PTI.

Meanwhile, the rescue operation was again hit with the auger machine broken down. According to International Tunneling Expert, Arnold Dix the machine is being repaired.

"We are only just metres away from finding passage to have the men back. But the men are safe. The auger machine has broken down, it is being repaired and it should be back up tomorrow. The drilling machine has broken down three times," Dix told ANI.

The overnight technical snag on Wednesday had delayed the drilling by several hours as well forcing the rescue teams to stop the drilling operations. It was an iron obstruction that had come in the path of the machine drilling that delayed the rescue efforts of paving the escape path, said officials.

The setback delayed drilling through the 57-metre stretch of the rubble by six hours.

State government's nodal officer Neel Neeraj Khairwal told reporters at around 2 pm drilling had progressed by 1.8 metre after the setback Wednesday night at the 45-metre mark.

Section-by-section a steep pipe is being pushed through the rubble as the uger machine drills.

Responding to the rescue operations, CM Pushkar Singh Dhami said that "we are very close to the workers now." Dhami through the inserted pipe communicated with the trapped workers and gave assurance.

Along with Dhami, Union Minister of State for Road Transport and Highways V K Singh and NDRF Director General Atul Karwal were at Silkyara Thursday to review the rescue effort.

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