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Re: super series wheelslip control




"Chris Stratton" <stratton.chris.cp@NOSPAMbhp.com> wrote in message
98s56t$8pp$1@gossamer.itmel.bhp.com.au">news:98s56t$8pp$1@gossamer.itmel.bhp.com.au...
>
> The "rat holes" is the section through the 10 tunnels near Lithgow where
the
> track was laid on mass concrete to minimise maintenance as it is difficult
> to access the area, except by train.
> --

As per Kim's question a few posts back...has ballast been placed on the mass
concrete through the Rat Holes and if so why?

Ted