Wrote in message:
On Sat, 3 Mar 2018 15:05:03 +0000 (GMT+00:00), jim k wrote:

Wrote in message:
On Sat, 3 Mar 2018 11:47:39 +0000 (GMT+00:00), Jim K
wrote:



http://www.ipswichstar.co.uk/news/ip...halt-1-5417520

Couldn't they just push a suitably customised wagon through that lot?

And then find that where the ice was close or had formed around the
components of the overhead power lines attached to the tunnel roof you
have knocked them out of alighment or even dragged them down creating
really long delays while they get repaired.

Not a very practical suggestion.

G.Harman


So how do two blokes in orange anoraks deal with the issues you
imagine?

Carefully like they are doing in the photo using hand tools and not
using the brute force of your wagon idea, you would have to smack the
ice quite hard and hope the ice breaks of the tunnel roof as the blade
or brush or whatever you envisiage on your customised wagon being
pushed against the ice like a bulldozer will not be able to be above
the overhead lines. That means the ice may be broken at the height of
the blade leaving bits that could still foul train collectors or
ground the current, or if it has broken off higher may fall and get
caught in the overhead equipment while being moved partially
horizontally. The blokes can reach between and above the wires and
supports and when knocked off the ice will drop almost vertically and
in managable quantities.

What about "where the ice was close or had formed around the
components of the overhead power lines attached to the tunnel roof"?

I'll carry on calling your equally badly thought through bs.
--
Jim K


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