Charles Ellson wrote:
On Wed, 23 Jul 2008 11:13:12 -0700 (PDT), Mr Thant
wrote:

On 23 Jul, 18:27, Tom Anderson wrote:
As i mentioned then, there are cross-section diagrams of the CTRL
which also show station humps, although i imagine this is less
about saving energy and more about getting an otherwise very deep
tunnel into shallow cut-and-cover stations.

Crossrail vertical alignment diagram, showing tunnels dodged:
http://www.crossrail.co.uk/80256B090053AF4C/Files/centralareaverticalalignment/$FILE/vertical+alignment.jpg

There's an alternate version on the last page of this PDF, showing
geology:
http://billdocuments.crossrail.co.uk...ethodology.pdf


Hmmm. I hope they've remembered all the other "pipework" that is down
there.

I hope they've remembered that half of the Connaught Tunnel is flooded! How
flooded is it, anyway - ankle deep ?