Thread: Post office railway reuse
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Old May 26th 10, 07:41 PM posted to uk.transport.london
Tom Anderson Tom Anderson is offline
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First recorded activity at LondonBanter: Oct 2003
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Default Post office railway reuse
On Wed, 26 May 2010, d wrote:

Tunnels arn't dug with picks and shovels any more - a TBM won't care if
it has to dig the whole tunnel itself or theres a small tunnel already
there

Yes it will - TBMs are built for digging through clay, gravel, and the
like. Sticking a bloody great cast-iron pipe like the PO railway end-on in
its way will completely bugger it.

tom

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