A catastrophic loss of tunnel support caused tunnel collapse of nearly 100 meters length under an active 40-meter pipe cavern within the sheer zone of a Himalayan mountain. Multiple failed attempts to create an egress passage over 17 days gradually informed rescuers about how to establish a safe escape path. From small diameter lifeline tunnels to augers, TBMs Pilling shafts geophones and drones – and even prayers - hear firsthand how the seemingly impossible was achieved.
Monday 05 February 16:05 - 16:30 Innovators Stage
Tech and Innovation Hub
President, ITA-AITES