Re: World Class Again
  Matthew Geier

On 20/04/17 12:09, 'Noel Reed'noelreed10@... [TramsDownUnder]

> Would water on a flooded APS power rail be likely to boil beneath a

> stranded tram when the driver attempted to start ?

This hasn't happened in Bordeaux, never seen any reports as such, but
they don't get downpours like we do.

> Similarly, could there be a fire beneath a stranded tram due to arcing

> through a discarded newspaper on the power rail ?

Some one managed to get a bicycle (frame ?) under a tram with resulting

The Dubai installation apparently has brushes ahead of the pickup shoes
to sweep sand of the power rail. Presumably it isn't an electrical
hazard, but would make the wear rates of the shoes and rail quite
excessive. Note the shoes are in pairs so in theory one should always
make contact even if paper or other rubbish temporarily insulates one.