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A complete of 68 tunnels measuring 85 km, which would cut back the highway distance by about 130 km, would come up within the state, he informed PTI on Friday.
Of those, 12 have been constructed, 12 are underneath development, work on 14 would begin in six months whereas detailed mission studies are being ready for 30, he stated.
“We’ve given suggestion to place vertical pipes at tunnel development places for supplying oxygen and meals in case an identical tragedy strikes,” he stated.
The NHAI officers visited some under-construction tunnels and interacted with employees, directed contractors to have a listing of equipment accessible in close by areas in order that in case of an emergency, these might be made accessible on the website with out shedding time.
Warning that no laxity in security will likely be tolerated, he requested mission administrators to conduct mock drills and verify the preparedness of evacuation plans. In 2015, two of three labourers have been trapped contained in the under-construction tunnel (No. 4) of Kiratpur-Nerchowk four-lane mission in Himachal’s Bilaspur after a portion of the tunnel collapsed on September 12. They have been rescued after 9 days.
A tunnel about 1.2-metre diameter was dug vertically to succeed in the trapped individuals and rescue them.