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#41
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On 27 Oct, 22:06, Charles Ellson wrote:
On Wed, 27 Oct 2010 11:28:32 -0700 (PDT), Stephen Furley wrote: On 27 Oct, 17:02, MIG wrote: Not at deep level, for obvious reasons. There's no obvious reason why there shouldn't be any at deep level, There is - try getting sh^H^Heffluent to flow upwards without a pump or syphon. If such devices fail then there is potential to close not just the station but the train services passing through it. You could provide duplicate plant to lift the sewage, powered by different supplies, you could provide a holding tank at or below the level with capacity to last until the plant is repaired and if all else fails you could close the facilities until the plant is fixed. If facilities could be provided in the shelters there's no technical reason why they shouldn't be provided in deep stations today. Of course, it will be easier and cheaper not to provide them, and it may well be considered, probably rightly, that the cost and bother is simply not worth it. |
#43
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On 27 Oct, 23:48, Stephen Furley wrote:
On 27 Oct, 22:06, Charles Ellson wrote: On Wed, 27 Oct 2010 11:28:32 -0700 (PDT), Stephen Furley wrote: On 27 Oct, 17:02, MIG wrote: Not at deep level, for obvious reasons. There's no obvious reason why there shouldn't be any at deep level, There is - try getting sh^H^Heffluent to flow upwards without a pump or syphon. If such devices fail then there is potential to close not just the station but the train services passing through it. You could provide duplicate plant to lift the sewage, powered by different supplies, you could provide a holding tank at or below the level with capacity to last until the plant is repaired and if all else fails you could close the facilities until the plant is fixed. If facilities could be provided in the shelters there's no technical reason why they shouldn't be provided in deep stations today. *Of course, it will be easier and cheaper not to provide them, and it may well be considered, probably rightly, that the cost and bother is simply not worth it. Those are the kind of reasons which I meant were fairly obvious, compared with installing bog standard plumbing. I don't doubt that there are ingenious ways of getting rid of effluent from all sorts of sites. |
#44
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In article , wrote:
On Tue, 26 Oct 2010 15:43:34 +0100 They run to King's Lynn as well which takes two hours. I thought the liverpool street services only went as far as cambridge? Its the king X services that go to Kings Lynn isn't it? Yes. -- Ian Jackson personal email: These opinions are my own. http://www.chiark.greenend.org.uk/~ijackson/ PGP2 key 1024R/0x23f5addb, fingerprint 5906F687 BD03ACAD 0D8E602E FCF37657 |
#45
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In message , at 13:28:54 on Thu,
28 Oct 2010, Ian Jackson remarked: They run to King's Lynn as well which takes two hours. I thought the liverpool street services only went as far as cambridge? Its the king X services that go to Kings Lynn isn't it? Yes. Some Liverpool St Services also run through to Kings Lynn (three a day during the week, in the evening peak). Average end-to-end time 2hrs 10 minutes. There are probably some through trains in the opposite direction too, which I will leave as an exercise for the reader. -- Roland Perry |
#46
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#47
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#48
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Charles Ellson wrote:
On Wed, 27 Oct 2010 11:28:32 -0700 (PDT), Stephen Furley wrote: On 27 Oct, 17:02, MIG wrote: Not at deep level, for obvious reasons. There's no obvious reason why there shouldn't be any at deep level, There is - try getting sh^H^Heffluent to flow upwards without a pump or syphon. If such devices fail then there is potential to close not just the station but the train services passing through it. I know the trains are *in* the sewers, but they shouldn't be passing through anything... -- http://gallery120232.fotopic.net/p10589951.html (37 411 at Bath Spa, 14 Sep 1998) |
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