EBT Uses Drone to Inspect Tunnels

East Broad Top Railroad officials this week used used a drone to inspect and document the condition of two tunnels.

Trains magazine reported on its website that the drone flew into Ray’s Hill and Sideling Hill tunnels, both located on the southern end of the railroad.

The drones were used because previous collapses in both tunnels led officials to conclude that exploring them in person was too risky.

Instead the drone was used to digitally map and video-record the condition of each tunnel.

This included documenting earthen collapses, rockfalls, shifted strata and sources of underground water seepage.

The 830-foot-long Sideling Hill Tunnel contains a curve whereas the 1,100-foot-long Ray’s Hill Tunnel is on straight track.

More information, including photographs, of the work can be found at https://www.trains.com/trn/news-reviews/news-wire/drone-whirs-through-east-broad-top-tunnels/

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