Henry Mears told jurors on several occasions that with a little more work the "Tunnel of Light" could have been as good as he and Victor had envisaged.
At the eastern end of the Crossrail route, archaeologists will work at four large tunnel entrance sites at Pudding Mill Lane, Victoria Dock, North Woolwich and Plumstead.
Work to construct the tunnel, which at 4.8m x 3m (16ft x 10ft) is wide enough to drive a car through, has led to congestion for drivers and businesses in the Watery Lane area.
In spite of round-the-clock work, progress on boring a huge tunnel into the earth was not up to mark.
Digging started last June, but after howls from archaeologists and historians who said the tunnel would undermine the castle's foundations, work stopped a month later.
When the work is completed, Mr Griffin said the tunnel would be sealed up again to preserve it.
Before any construction work could begin, archaeologists employed by the Channel Tunnel Rail Link project were charged with investigating areas of Kent, Essex and London.
BBC: HS2: 20 reasons why it can take 20 years to build a railway
The mayor said subway traffic and other forms of public transportation were "almost back to normal, " but street traffic remained a mess as more commuters returned to work and some entrances to the city, like the Holland Tunnel and Brooklyn-Battery Tunnel, remained closed.
He was assigned to work on a case against Burlington Northern Santa Fe involving 36 employees with carpal tunnel syndrome who filed workers' compensation claims.
Inside, the tunnel was cool and dark, about thirty feet high, with a smooth ceiling, faintly lit by work lights along the edges.
Rescue work is continuing at a major US-owned gold and copper mine in Indonesia after a tunnel collapsed on Tuesday, trapping more than 20 workers.
These workers carry out specialised tasks on our tunnel-boring operation and travel around the world as employees of the Italian company that is doing the work.
应用推荐