Re: Why Wooden Sleepers are better. Was [NSW] CityRail Delays Friday

["John Wayman" <trecker@optusnet.com.au>]

<chris@enet21.com.au> wrote in message
38DF4C25.8B646EF2@enet21.com.au">news:38DF4C25.8B646EF2@enet21.com.au...
> so, timber sleepers are more environmental friendly than concrete?
> the impact from extracting limesand from a beach and dredging sand from a
> choked river is lesser than chopping down a whole forest which causes land
> erosion which in turn washes down into the rivers choking them and
> affecting water quality. Gravel is taken from extinct volcanoes (prospect
> quarry etc.) not to mention a concrete sleeper would last at least twice
as
> long than a timber one. Imagine the uproar if they used timber sleepers on
> the proposed line to Darwin or the VFT, I really doubt if that many could
> be produced.
>
>
The Darwin line goes through termite country, timber isn't an option. Steel
sleepers are another alternative in that country :-)

Cheers
John Wayman