Uttarkashi tunnel collapse LIVE: Work on 3rd best alternative rescue plan, 'perpendicular drilling' to begin today
Uttarkashi tunnel rescue LIVE: In Uttarakhand's Uttarkashi a portion under-contruction tunnel from Silkyara end caved in on November 12 trapping 41 workers. The workers have been trapped since and rescue operation is ongoing. The multiple-agency led rescue efforts initial plan was to rescue workers through horizontal drilling with the expertise of international tunnelling experts.
However, earlier on Friday the rescue operation to drill 60 metre of stretch was halted when auger machine blades broke. On Sunday, plasma and magna rod cutter machines were brought in to cut auger blades following which drilling work will resume. Alternative options are being sought after with vertical drilling being considered second best alternative to rescue workers.
Work on vertical drilling began yesterday to drill 86 metres and it is expected to be completed in four days. Third best alternative to rescue workers involves perpendicular drilling which has to drill 170 metres to reach the workers. The machine to be used for perpendicular drilling was expected to arrive on Sunday night following which the drilling wirk will begin.
Indian Army has also been called in to undertake manual horizontal drilling. Government statement yesterday assured that trapped workers are safe and are receiving required medical help from psychologists and doctors along with food, fruits, medicines, anti-depressants and multivitamins.Uttarkashi tunnel rescue LIVE: According to an official statement, "BRO has completed the construction of an approach road for vertical drilling by SJVNL and RVNL. BRO is also building an approach road for ONGC with geological surveys conducted by ONGC.
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