Unable to rescue 41 labourers trapped inside a tunnel for greater than every week, the companies concerned within the operation are engaged on an alternate plan. This one includes tunnelling sideways and boring from the highest to construct a vertical shaft.
Listed here are the highest 10 Factors on this massive story:
-
The Centre has devised a five-option motion plan that contain drilling from three sides to entry the trapped employees. 5 completely different companies have been tasked with finishing up every operation.
-
Two tunnels shall be drilled horizontally from the precise and left sides of the primary tunnel, whereas a vertical shaft shall be drilled from the highest of the tunnel. The employees have been trapped in a 400-metre buffer zone of the unfinished principal tunnel since November 12.
-
The large problem is discovering house for the a number of drilling machines wanted within the hilly terrain and the time-consuming job of constructing motorable roads, which has began.
-
At present, a single machine is working within the space, clearing the way in which for a heavier machine. Employees are additionally constructing a ramp from the primary tunnel’s entrance to its roof to move the heavier machine.
-
This morning, a wider pipe was introduced and is at the moment being put in. This can enable rescuers to ship a greater variety of meals and drugs to the trapped individuals. Earlier, solely dry fruits could possibly be despatched in. With the brand new pipe, the authorities will be capable to present extra substantial meals.
-
Right now, a global tunnelling knowledgeable staff arrived ta the spot. Worldwide Tunnelling and Underground Area Affiliation president Arnold Dix is overseeing the operations. A robotics staff from defence analysis group DRDO has additionally reached.
-
During the last week, a number of plans to chop by the 40-meter rock wall fell by. It had additionally backfired twice, bringing down extra rocks and rubble from the unplastered roof, extending the depth of the rock wall from round 40 to over 70 meters.
-
The final rock-fall came about on Friday, when makes an attempt have been made to make use of an American Auger drill flown in from Delhi. The drill machine that was getting used earlier than that, had damaged down and work needed to be stopped until the brand new one reached.
-
Initially the plan was to chop by the rock wall and insert a pipe with a width of round 3 ft by which the individuals could possibly be evacuated. However after repeated rockfalls, the authorities selected a radically completely different method.
-
On November 12, a portion of the 4.5-km tunnel on the Brahmakhal-Yamunotri Nationwide Freeway has collapsed, trapping 41 employees. The tunnel — meant to hitch Silkyara and Dandalgaon in Uttarkashi — is a part of the Char Dham challenge.
