I’ve pounded on number 8 for years now. Two simple questions no one seems to be able to answer:
Where is all the spoil?
Where are the lines of trucks carrying the spoil away, a road-worthy dump truck can carry around 20 tons and a tunnel boring machine digging a 22 foot diameter hole can produce 300 to 1000 tons of spoil per hour depending on the ground being dug? That’s a train of very large dump trucks 15 to 50 trucks long per hour, 7/24.
I’ve pounded on number 8 for years now. Two simple questions no one seems to be able to answer:
These are very good points. Has anyone ever come up with an answer?