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Author Topic: Thames Valley infrastructure problems causing disruption elsewhere - 2018  (Read 23634 times)
Adelante_CCT
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« Reply #375 on: May 22, 2018, 18:28:24 »

With all the problems today, I'd assumed they were using these new rail replacement services, as seen outside Reading depot this evening

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Witham Bobby
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« Reply #376 on: May 23, 2018, 10:27:58 »

That must be a pretty dangerous coach, to be fenced off like that  Grin
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broadgage
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« Reply #377 on: May 23, 2018, 11:08:06 »

That must be a pretty dangerous coach, to be fenced off like that  Grin

Perhaps it is a top secret hydrogen powered unit Smiley
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A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU (Diesel Multiple Unit) is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.
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« Reply #378 on: May 23, 2018, 16:24:31 »

Due to a safety inspection of the track at Slough trains have to run at reduced speed on some lines towards Reading. Disruption is expected until 19:45 23/05.
Impact: Train services between London Paddington and Slough may be delayed by up to 15 minutes.
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broadgage
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« Reply #379 on: May 23, 2018, 16:30:12 »

Whilst any reasonable passenger would understand that things break, and that disruption will occur in such circumstances, OHLE (Over-Head Line Equipment (electrification via catenary)) failures do seem to be unduly frequent and not resulting in the more reliable railway that is still being advertised.

As in other cases, I would ask "what happens overseas ?" I have no doubt that German and French railways have OverHead-Line Equipment (OHLE) failures, but I rather doubt that they are as frequent as in the UK (United Kingdom).

I would say this is the first ‘major’ incident of the newly electrified sections, so overall reliability has been good.  Had this sort of thing happened once a week since last summer I could sympathise with your views.

I doubt many folk in Germany and France will get to hear about this particular incident, so, as Stuving suggested a few months ago, just because you don’t hear about it doesn’t mean it doesn’t happen.

This particular failure, of a defective insulator may indeed be as rare you suggest. However OverHead-Line Equipment (OHLE) issues causing significant delays seem to occur most weeks.

Edit: VickiS- Clarifying Acronyms
« Last Edit: April 16, 2021, 16:00:27 by VickiS » Logged

A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU (Diesel Multiple Unit) is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.
Electric train
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« Reply #380 on: May 23, 2018, 20:38:10 »

Whilst any reasonable passenger would understand that things break, and that disruption will occur in such circumstances, OHLE (Over-Head Line Equipment (electrification via catenary)) failures do seem to be unduly frequent and not resulting in the more reliable railway that is still being advertised.

As in other cases, I would ask "what happens overseas ?" I have no doubt that German and French railways have OverHead-Line Equipment (OHLE) failures, but I rather doubt that they are as frequent as in the UK (United Kingdom).

I would say this is the first ‘major’ incident of the newly electrified sections, so overall reliability has been good.  Had this sort of thing happened once a week since last summer I could sympathise with your views.

I doubt many folk in Germany and France will get to hear about this particular incident, so, as Stuving suggested a few months ago, just because you don’t hear about it doesn’t mean it doesn’t happen.

This particular failure, of a defective insulator may indeed be as rare you suggest. However OverHead-Line Equipment (OHLE) issues causing significant delays seem to occur most weeks.


I was shown some photos of the offending insulator today.  It was type that holds both the registration arm and supports the catenary.

It has a glass reinforced plastic (GRP) centre core with a polymeric shed set on the outside with metal fixtures at each end, the insulator was split longitudinally from meat fixture to metal fixture, there is quite a lot of mechanical and electrical stress on these insulators.

Its not understood yet what casued it to fail, it will be sent away for "post mortum" and if its felt nessesary others in the same batch will be recovered from the system and sent away analisiys.


Faults like this are not just consighned to the "oh well s#!t happens" investigations are done and if its felt its a bad batch they will be replaced.


Actual OverHead-Line Equiment (OHLE) component failures Nationally are actually quite rare, I know I see the incident data and reports for actual equipment failures

Edit: VickiS - Clarifying Acronyms
« Last Edit: April 16, 2021, 16:02:56 by VickiS » Logged

Starship just experienced what we call a rapid unscheduled disassembly, or a RUD, during ascent,”
Western Pathfinder
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« Reply #381 on: May 24, 2018, 10:42:54 »

This from earlier today shows GWR (Great Western Railway) performance figures
http://orr.gov.uk/__data/assets/pdf_file/0003/27759/passenger-freight-performance-2017-18-q4.pdf.
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Jason
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« Reply #382 on: May 25, 2018, 09:42:19 »

Freddie Starr ate my track...

Due to urgent repairs to the track between Ealing Broadway and Hayes & Harlington trains have to run at reduced speed on some lines towards Slough.
Impact: Train services running through these stations may be delayed or revised. Disruption is expected until 14:00 25/05.
Customer Advice:
London Underground are conveying passengers between London Paddington and Ealing Broadway in both directions until further notice. Arrangements have been made for Great Western Railway rail tickets to be accepted for these journeys.
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bobm
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« Reply #383 on: May 25, 2018, 09:52:12 »

Broken rail on the down relief at Hanwell Viaduct.
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TaplowGreen
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« Reply #384 on: May 25, 2018, 09:58:37 »

A very poor month so far.
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TaplowGreen
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« Reply #385 on: May 25, 2018, 12:40:26 »

Freddie Starr ate my track...

Due to urgent repairs to the track between Ealing Broadway and Hayes & Harlington trains have to run at reduced speed on some lines towards Slough.
Impact: Train services running through these stations may be delayed or revised. Disruption is expected until 14:00 25/05.
Customer Advice:
London Underground are conveying passengers between London Paddington and Ealing Broadway in both directions until further notice. Arrangements have been made for Great Western Railway rail tickets to be accepted for these journeys.

Now 1600, fantastic for the Bank holiday getaway, luckily I'm not relying on GWR (Great Western Railway) today but went past Taplow earlier and every service in both directions was showing "cancelled". I'm told it's not much better now.
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Electric train
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« Reply #386 on: May 25, 2018, 15:08:32 »

Freddie Starr ate my track...

Due to urgent repairs to the track between Ealing Broadway and Hayes & Harlington trains have to run at reduced speed on some lines towards Slough.
Impact: Train services running through these stations may be delayed or revised. Disruption is expected until 14:00 25/05.
Customer Advice:
London Underground are conveying passengers between London Paddington and Ealing Broadway in both directions until further notice. Arrangements have been made for Great Western Railway rail tickets to be accepted for these journeys.

Now 1600, fantastic for the Bank holiday getaway, luckily I'm not relying on GWR (Great Western Railway) today but went past Taplow earlier and every service in both directions was showing "cancelled". I'm told it's not much better now.

Basically its half hourly service Didcot - Padd calling additionally at Taplow and Burnham; however the CIS (Customer Information System) is not showing the additional stops
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Starship just experienced what we call a rapid unscheduled disassembly, or a RUD, during ascent,”
Jason
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« Reply #387 on: May 31, 2018, 07:39:57 »

A fault with the signalling system between Reading and Newbury is causing disruption to trains travelling between these stations. Trains may be cancelled, delayed by up to 50 minutes or diverted.

Disruption is expected to continue until at least 10:00
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grahame
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« Reply #388 on: May 31, 2018, 07:53:29 »

A fault with the signalling system between Reading and Newbury is causing disruption to trains travelling between these stations. Trains may be cancelled, delayed by up to 50 minutes or diverted.

Disruption is expected to continue until at least 10:00

What a relief that West Country trains can be (and are being) diverted between Reading and Westbury via Swindon.  Pity there's a long stretch of single track on that diversionary route ...
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grahame
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« Reply #389 on: May 31, 2018, 08:19:14 »

A fault with the signalling system between Reading and Newbury is causing disruption to trains travelling between these stations. Trains may be cancelled, delayed by up to 50 minutes or diverted.

Disruption is expected to continue until at least 10:00

What a relief that West Country trains can be (and are being) diverted between Reading and Westbury via Swindon.  Pity there's a long stretch of single track on that diversionary route ...

With the inevitable effect on second class trains that people in Wiltshire now rely on

Quote
09:46 Westbury to Swindon due 10:32
09:46 Westbury to Swindon due 10:32 will be cancelled.
This is due to a fault with the signalling system.

Quote
10:47 Swindon to Westbury due 11:28
10:47 Swindon to Westbury due 11:28 will be cancelled.
This is due to a fault with the signalling system.

So after the 07:33 train from Westbury, next service remaining (at present) is 11:47.  After the 08:53 from Swindon, next service is 12:49.
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