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#212570 - 01/23/14 09:33 PM Botched concrete pour knocks out London subway...  
NJwirenut  Offline
Member
Joined: Sep 2001
Posts: 806
Bergen County, NJ
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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#212586 - 01/24/14 09:14 PM Re: Botched concrete pour knocks out London subway... [Re: NJwirenut]  
NORCAL  Offline
Member
Joined: Sep 2002
Posts: 873


#212589 - 01/24/14 09:45 PM Re: Botched concrete pour knocks out London subway... [Re: NJwirenut]  
electure  Offline


Member
Joined: Dec 2000
Posts: 4,262
Fullerton, CA USA

It worked fine for me smile


#212613 - 01/27/14 01:42 AM Re: Botched concrete pour knocks out London subway... [Re: electure]  
Trumpy  Offline


Member
Joined: Jul 2002
Posts: 8,223
SI,New Zealand
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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