Re: DOO In Sydney?

[Michael <mk@netstra.com.au>]

John Dennis said on 29-Sep-1999 in
<gtLxNwoEDILfKEouL2gX2yELZav7@4ax.com>: 

>On 29 Sep 1999 07:55:18 +1000, craigd@lios.apana.org.au (C. Dewick)
>wrote:
>
>>In <RXztN=YPH1fObNCRb3bHCaXMltyk@4ax.com> billboltonREMOVE-TO
>>-EMAIL@computer.org (Bill Bolton) writes: 
>>
>>>"Exnarc" <gwrly@netspace.net.au> wrote:
>>
>>>> They aren't so in those cases you use CCTV Monitors on the
>>>> platforms, as does Melbourne now. The provision of vandal proof
>>>> roller doors are of cause essential as are hoods to shield the
>>>> screens during bright sunlight. Either way its cheaper than
>>>> providing CCTV everywhere!!! 
>>
>>But how do you counter the train and platform length issue? You either
>>need a very large display screen in the driver's cab to show
>>simultaneous multiple images for curved platforms which would require
>>at least 3 or more cameras to give anything approaching reasonable
>>coverage which would be legally acceptable in terms of public liability
>>insurance, etc. 
>
>[snip]
>
>>And having platform-mounted display units in secure cabinets is just
>>not going to work at all since that would mean than every train,
>>regardless of length, has to pull up at the departure end of the
>>platform no matter what. Admittedly that would be more of a cultural
>>change than anything else, but changing the *passenger's* cultural
>>views on where trains pull up will be much harder to achieve!
>
>An interesting point Craig, and something I had not considered.  How
>do the platform mounted monitors work in Melbourne, when 3-car trains
>run?

A lot of platforms also have a large mirror about halfway down the platform 
(or wherever a 3 car set is set to stop, if it is far enough from the 
monitors to cause concern).

Regards
Michael