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Old 22-09-2020, 01:22 PM   #11
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Join Date: Dec 2013
Location: Western sydney
Posts: 8,270
Default Re: Sydney Rail Tunnel system

Quote:
Originally Posted by mick taylor View Post
How about tunnelling under the harbour in that soft mud ?
Them boring machines are amazing.
I beleive the harbour tunnel was built in sections on land, sunk into a trench and then the water pumped out, so no real boaring machines used for the under the harbour bit. The only speeding fine and point i have ever lost on my licence was at 520am in the harbour tunnel. Only 1 point, but i was probably asleep at the wheel.
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