Uttarkashi: Pipes 25 meters long were planted deep in the rubble. The Israeli Air Force flies in another maneuver: The ongoing rescue operation of 40 workers trapped in an under-construction tunnel in Uttarkashi was forced to halt again when an American-made drilling machine stopped around 4 pm on Friday after its hole hit a metal-like rock.
The machine then inserted more than four steel pipes – approximately 25 meters long – horizontally into the rubble. Welding the fifth tube to the back of the fourth tube was in progress when the error occurred. The length of the wreckage has also increased from 10 meters to about 70 meters, increasing the challenge facing rescuers. The source said: “There was a defect in the bearing of the American-made screw machine, and it broke.” » 22 ton replacement training was flown from Indore by IAF C17 transport aircraft. The plane landed at the Dharasu Advanced Landing Ground (ALG) in Chinyalisaur, about 25 km by road from the accident site.
The Indian Air Force also transferred the US-made plane to the same airport three days ago. Since this was an urgent mission, the IAF deployed its C-130J aircraft for this mission on 15 November. Dharasu ALG is a short and narrow airstrip 3,600 feet long at an altitude of 3,000 feet above sea level, and before landing, IAF helicopters scouted the area to check the feasibility of the operation. Meanwhile, two C-130J aircraft were sent to Agra and Palam to evaluate the equipment to be transported. Meanwhile, families of most of the trapped workers were present at the accident site. Authorities and family members communicate regularly with workers. But the director of the National Highways and Infrastructure Development Company, Anshu Manish Khalkho, confirmed that the American-made screw machine is working well and its speed will increase as workers get used to it. When asked if vertical drilling to save workers was being considered, Khalko said a study was being conducted on this topic, but horizontal drilling was currently considered the best option.
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