On Sat, 8 Oct 2005 20:28:20 +0200, "tim \(moved to sweden\)"
wrote:

A submersed tunnel is one built at ground level in sections
which are then sunk into the water either directly on the river
bed or in a trench dug into it and connected up to make a
usable tunnel.

It is an easy(ish) way to build an under water tunnel where the
ground is difficult to bore.

The Conwy road tunnel was built in that way.

Neil

--
Neil Williams in Milton Keynes, UK
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