Uttarakhand tunnel rescue operation now has 6 plans, consultants say the most effective is…


As vertical drilling within the Silyara tunnel started on Sunday after the US-made auger machine broke down, the rescuers now have six plans in place because the Indian Military is now on board within the rescue mission that dragged on for the final 15 days. Nationwide Catastrophe Administration Authority member Lt Basic Syed Ata Hasnain (Retd) on Sunday stated the 41 employees trapped within the under-construction tunnel are in good well being situation and are getting their meals and drugs. They’re in fixed contact with their family members by means of the communication traces. The rescuers — all businesses collectively — are working to discover alternate options whereas vertical drilling made appreciable progress on Sunday.

Vertical drilling began on the Uttarkashi tunnel website on Sunday.(ANI)

Plan A: Horizontal handbook drilling after auger machine components are extracted

The NDMA member defined that plan A can be the most effective one which includes handbook drilling after the damaged components of the auger machine are extracted. The machine obtained caught and its blade got here off. Indian Air Pressure and IndiGo chartered flight have ferried the instrument required to chop the blade. The damaged components are anticipated to be taken out by tonight.

Handbook digging will begin as soon as all components of the auger machine are out of the tunnel. This might be a fail-safe measure however will progress slowly. The auger machine has already drilled 47 metre contained in the tunnel. The handbook digging will begin after that and might be accomplished for the remaining 15 metre. After the drilling is over, they’ll first place an 800-mm pipe and if it doesn’t go in, they’ll place a 700-mm pipe.

Plan B: Vertical drilling

The plan B of vertical drilling has already began and 15 metre out of the goal of 86 metre has been accomplished. That is being accomplished by Satluj Jal Vidyut Nigam. Whether it is profitable, then the employees might be lifted by buckets one after the other. In response to the consultants, that is the second-best possibility.

Plan C: Sideways drilling

The third plan of the rescuers is to drill sideways however work on this has not began but because the tools required for it has not reached the location.

Plan 4: Vertical drilling by ONGC from Barkot aspect

Whereas the vertical drilling that started on Sunday is on the Silkyara aspect of the tunnel, the rescuers have a plan to do the identical on the opposite aspect of the tunnel. A complete of 24-inch vertical drilling on the aspect of Barkot must be accomplished for which a 5-km street is being made by the BRO. This can stay an alternate.

Plan 5: Blasting on Barkot aspect

The NDMA member defined that blasting on the Barkot aspect of the tunnel was accomplished on Sunday morning and an space of 10-12 metre has been penetrated.

Plan 6: Drift know-how

Lt Basic Syed Ata Hasnain (Retd) stated the sixth plan includes drift know-how by which the edges of the tunnel might be scrapped. Military engineers might be caring for it.



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