I guess all those wonderful nostalgic electric train smells weren't doing
us much good then.
Tony P
On Tuesday 27 February 2024 at 21:05:20 UTC+11 Michael Lewis wrote:
> I'm reminded of the wonderful Ferodo brake linings. I can still smell
> their particular odour at Town Hall ststion, and of course there was the
> Hardie-Ferodo 500/1000 at Bathurst in October each year to encourage the
> use of "fibre" brake linings in cars.
> And can you imagine the same scenario in the deep London Picadilly line.
> Mind you most people smoked, so it would be unclear what got you first.
>
> On Tuesday, February 27, 2024 at 8:30:57 PM UTC+11 TP wrote:
>
>> Think about all those decades some of us here stood on city underground
>> platforms inhaling all that asbestos and carbon dust as the trains screamed
>> into the stations. Most of us are still here I think! What I appreciate
>> above all though about the new enclosed metro stations is the quietness.
>>
>> Tony P
>>
>> On Tuesday 27 February 2024 at 18:31:12 UTC+11peterm...@... wrote:
>>
>>> Hi Tony not surprising, i just wander still what is the effect of the
>>> falling to the ground carbon from pantographs is having on us? Isn't the
>>> particle size to big to clog lungs? Peter
>>>
>>>
>>> On Monday 26 February 2024 at 15:03:12 UTC+11 TP wrote:
>>>
>>>> In that media piece, the fully enclosed metro stations were rated the
>>>> least affected by fallout - understandably. The only opportunity to be
>>>> subject to train fallout would be the period the gates are open and that's
>>>> a very tight gap.
>>>>
>>>> Tony P
>>>>
>>>> On Monday 26 February 2024 at 13:54:00 UTC+11peterm...@...
>>>> wrote:
>>>>
>>>>> Matthew,
>>>>>
>>>>> I agree its a dust and dirt trap, the major drivers will be
>>>>> "aesthetics" no 1 and no 2 acoustics, the latter gaps and openings to
>>>>> cavities behind that are damped are very common control of acoustic
>>>>> behaviour of a space, but having dealt with problems down the track the
>>>>> pull the acoustic traps apart and cleaned the dust and crap out of them is
>>>>> not well received by facility owners. The acoustic traps collect junk dust
>>>>> and everything that goes by.. They diminish in performance the more
>>>>> clogged with crap they are and eventually need a clean. Messy process in
>>>>> deed as you have indicated.
>>>>>
>>>>> This arrangement should prevent the carbon " dust" in the platform
>>>>> that has been reported recently in Metro and ST underground, carbon gosh i
>>>>> wonder where, oh yeh pantographs!!! look at 2107 Matthew we know it only
>>>>> too well.....
>>>>>
>>>>> Thanks
>>>>> Peter
>>>>> On Sunday 25 February 2024 at 19:02:31 UTC+11 Matthew Geier wrote:
>>>>>
>>>>>>
>>>>>> On 25/2/24 18:19, TP wrote:
>>>>>>
>>>>>> There are no horizontal covers over the running tracks. I know the
>>>>>> design you mean, but these (and afaik on all Sydney metro stations that
>>>>>> have full height PSDs) are vertical walls. There should be very little dust
>>>>>> fallout in these public areas. The platforms are completely screened from
>>>>>> the trains, so there would be little infiltration of train brake,
>>>>>> pantograph etc fallout. They must have some confidence in that, otherwise
>>>>>> they wouldn't have all those white walls and ceilings throughout the
>>>>>> station!
>>>>>>
>>>>>>
>>>>>> I was there, there ARE near horizontal covers over the running lines,
>>>>>> the design will be difficult to clean. It won't get dirt from the trains,
>>>>>> but people are pretty dirty too. Probably more so than the mechanical
>>>>>> interactions of the train with their infrastructure. See attached photo I
>>>>>> took this morning at the 'Community Day'.
>>>>>>
>>>>>> The brown part is over the tracks (I think there are air conditioning
>>>>>> ducts between the running tunnel and the top of this structure) and it will
>>>>>> be a trap for dust and debris. There are slats running length-ways with
>>>>>> what looks like black painted board under the lengthwise slats. Any loose
>>>>>> paper or lolly wrappers that end up there will stay up there. There are
>>>>>> also places where people could toss stuff onto them from the concourse. But
>>>>>> with the height above the platform below, any one going to clean them is
>>>>>> going to have to have fall restraint - but there is no obvious attachment
>>>>>> points for their harness. So I guess it won't get cleaned until it gets
>>>>>> disgusting and they bring a EWP down the lifts one close down weekend and
>>>>>> clean it.
>>>>>>
>>>>>> The station design is a dirt trap. Otherwise appears to be well
>>>>>> designed station to move people in and out. Lots of escalators and lifts.
>>>>>> Wide passages.
>>>>>>
>>>>>> But they seem to have missed easy to clean and easy to maintain.
>>>>>>
>>>>>> The areas you can't see are probably larger than the public spaces,
>>>>>> the station also contains at 11kv substation, LV switch rooms and a
>>>>>> traction supply substation - and a significant amount of 'air handling'
>>>>>> equipment.
>>>>>>
>>>>>>
>>>>>> There are also not enough seats, but since the maximum you would be
>>>>>> waiting is 10 minutes I'll give em that one.
>>>>>>
>>>>>> The former ECRL stations have open topped running lines - at North
>>>>>> Ryde where my sister lives, you can look down onto the roofs of the passing
>>>>>> trains. (And if so inclined throw things at them.)
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>