Re: Glenbrook accident [NSW]

[keithm@commslab.gov.au (Dave Malcolm)]

In article <384b96f1.0@iridium.webone.com.au> "Derick Wuen" <cullend@webone.com.au> writes:
>From: "Derick Wuen" <cullend@webone.com.au>
>Subject: Re: Glenbrook accident [NSW]
>Date: Mon, 6 Dec 1999 22:01:29 +1100

>At least the train stop enforces a stop and recovery of brake pressure, a
>sort-of time interval enforcement. And it seems to have worked well inside
>"metropolitan" area. And should be extended to all intensively worked
>routes.

Didn't the IU stop at the signal ring Penrith then proceed though? I would 
have thaught that was a stop and recover brake pipe pressure.

Dave Malcolm

>As for your re-emphasis on safety first, I could not agree more. How many
>more lives before SPADs are outlawed?


>Ronald BESDANSKY wrote in message ...

>>Any idea why it matters if there's a train stop or not? I can't see what
>>difference that makes.
>>
>>Also, how can a signaller give permission to the driver  to pass a signal
>at
>>'stop' when the signaller does not know the current location of the
>previous
>>train? Aren't we reverting to 'time interval' working, which was abolished
>>around 1850?
>>
>>I can see an outcome of this incident being a ban on passing signals at
>stop
>>unless the line can be asceratined to be clear to the next signal by sight.
>>Even if the previous train has been reported passing the next signal, there
>>is no gurantee it hasn't left a vehicle in the section. (There is still the
>>possibility of a broken rail). Otherwise, absolute telephone block has to
>be
>>instituted.
>>
>>Was Lapstone attended at the time of the accident? How long would it have
>>taken to get someone qualified in safeworking to Lapstone to institute
>>telephone block?
>>
>>Was it worth the risk involved to send the Intercity into the section, even
>>if it meant waiting for the IP to be reported passing Emu Plains complete?
>>
>>Perhaps any delay would have been more acceptable if the passengers on the
>>Intercity were kept fully informed of what was going on? Something along
>the
>>lines of "due to signal failure, it will be necessary for this train to
>wait
>>at Glenbrook until the train in front has arrived at Emu Plains. Your
>safety
>>is our absolute priority". Perhaps this is politically-unacceptable
>>daydreaming.
>>
>>Rgds
>>
>>Ron BESDANSKY
>>
>>