Re: Murray Bridge to Mt Lofty Regrade

[arthur marsh <marsh@ties.itu.int>]

Not just grade and alignment improvements, which reduce above-track costs 
and the cost of maintaining the track itself through there being less
wear and tear, but also things like replacing bridges with embankments and
culverts to reduce the below-track costs of maintenance.

On Tue, 8 Dec 1998, Maurie Daly wrote:

> If the Adelaide Hills are removed then the single worst grade between Melb 
> and Adelaide is the 1:66 climb up the Stawell bank , assuming we lower the 
> top of the diapur bank , which was costed at $7 million.
> The alternative is too simply close diapur loop altogether and then the 1:50 
> diapur bank becomes a simple momentum grade.
> Reducing Adelaide to Melb to 1:66 worst case means  very close to a doubling 
> of current loads with the same number of locos,(around 2000 tonnes for a 
> single NR loco) , which results in much greater profitability for all users 
> who run over this line.
> Infrastructure improvements , ie removing grades , are one off projects which 
> require a one off injection of funds , but the benefits last forever.
> 
> cheers
> MD
>  
> 
>