TALE OF A TUNNEL

GEOFF BALLINGER

First Severn Tunnel Act 1810

Three Pence an Ass…

TUNNEL TOTALSLength:4 miles 624 yards

14 years to build

76 million bricks

37,000 tons cement

23 million gallons of water pumped daily

50 feet min between top of tunnel and bottom of river

20 minutes until water reaches track level (in case of failure)

Where the Great Spring goes…