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Botched concrete pour knocks out London subway... #212570 01/23/14 09:33 PM
Joined: Sep 2001
Posts: 806
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NJwirenut Offline OP
Member
Service on London's Victoria Line was suspended when a room full of signaling gear was flooded with fast setting concrete from a nearby project. Would HATE to be the guy who has to clean this mess up...

http://www.telegraph.co.uk/news/ukn...s-London-Undergrounds-Victoria-Line.html

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Re: Botched concrete pour knocks out London subway... [Re: NJwirenut] #212586 01/24/14 09:14 PM
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NORCAL Offline
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Re: Botched concrete pour knocks out London subway... [Re: NJwirenut] #212589 01/24/14 09:45 PM
Joined: Dec 2000
Posts: 4,280
electure Offline
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It worked fine for me smile

Re: Botched concrete pour knocks out London subway... [Re: electure] #212613 01/27/14 01:42 AM
Joined: Jul 2002
Posts: 8,262
Trumpy Offline
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I guess this is a wake up call to everyone that deals with cement in their day to day work.
Could be someone that failed to seal one of their ducts, could be someone that failed to glue a conduit.

Malleable cement has a large horizontal force as well as a vertical force, it will blow out any ducting or conduits that aren't held in place, therefore giving the "molten" cement somewhere to travel.

I was always trained to use a primer AND adhesive on any PVC conduit install, treat it like it is a pressurised water pipe they said.



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