"Vertical drilling of 36 meters completed inside Uttarkashi tunnel": Officials

Uttarkashi (Uttarakhand) [India], November 27 : National Highways and Infrastructure Development Corporation Limited (NHIDCL) Managing Director Mahmood Ahmad on Monday informed that the vertical drilling of 36 meters has been completed inside the Uttarkashi's Silkayara tunnel where 41 workers remain trapped.
NHIDCL said that vertical drilling of another 50 meters is required to reach the crust of the tunnel.
Addressing a press conference, NHIDCL Mahmood Ahmad said, "The work of vertical drilling is also going on which is being executed by SJVNL. As of now, vertical drilling of 36 meters has been completed. We have to drill 50 meters more. We will take all actions, and we hope that we move forward quickly."
Neeraj Khairwal, Secretary, Uttarakhand Government, said that timelines for the drilling operations in totality cannot be assumed.
"After taking out the part of Auger that was struck inside the tunnel was taken out. 1.9 meters that was cut, in that, the first 220 mm was pushed, and was taken out. There was concern that it may not be pushed, but now we won't have to go on an alternate method. Then again 500 mm was pushed. Rat miners pushed that part," the official said.
"A time limit cannot be said, but let's hope and pray that minimum obstacles occur and we will be able to do this quickly," he added.
Earlier, National Disaster Management Authority Member, Lt General (Rtd) Syed Ata Hasnain on Sunday said that 86 meters of vertical drilling is required to reach the crust of the Uttarkashi's tunnel.
Officials informed that the 41 workers trapped inside the tunnel are stable and safe.
Also, National Disaster Management Authority Member, Lt General (Rtd) Syed Ata Hasnain on Monday that currently, the situation inside the tunnel is under control.
"Things are under control. Food and medicine are going inside as per requirements. Psychological aspects are also given importance. Backup communications have been established. Our plan two was vertical drilling. Now approximately 30 metres have been achieved," he said.
NDMA member further informed that the broken blades of the auger machine have been fully retrieved.
"The broken blades of the auger machine that were not completely retrieved yesterday have been fully retrieved in the morning today. There were some obstacles while doing so, but the damage has now been fixed. Now, the manual technique will be employed tonight with the help of Indian Army engineers, rat miners, and other technicians," he said.
Meanwhile, Micro tunnelling expert Chris Cooper said earlier today that all the debris from the auger machine has been removed and manual drilling to reach the trapped labourers will start in a few hours.
After a portion of the tunnel caved in on November 12, the debris falling in the 60-metre stretch on the Silkyara side of the tunnel trapped 41 labourers inside the under-construction structure.