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Author Topic: 2023 Delays and Cancellations  (Read 47661 times)
Worcester_Passenger
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« Reply #90 on: February 20, 2023, 04:40:23 »

Yep, every weekday until the line re-opens. Two up services in the morning go that way too.


Indeed so. But Journeycheck only lists the up services once, under 'Other Train Service Updates', whereas it lists the afternoon down services in the afternoon twice, once as 'Cancellations' and a second time under 'Other Train Service Updates' as being diverted. The double listing of the down services is not as clear as it should be. Either don't bother with the 'Cancellations' entry (and they haven't worried about this for the up trains) or have a new heading for 'Diverted Services'.
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IndustryInsider
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« Reply #91 on: February 21, 2023, 21:34:50 »

Looking good to reopen tomorrow with a 20mph check.
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To view my GWML (Great Western Main Line) Electrification cab video 'before and after' video comparison, as well as other videos of the new layout at Reading and 'before and after' comparisons of the Cotswold Line Redoubling scheme, see: http://www.dailymotion.com/user/IndustryInsider/
stuving
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« Reply #92 on: February 21, 2023, 22:28:26 »

Looking good to reopen tomorrow with a 20mph check.

Here's Network Rail's description of what they've done:
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Railway line between Oxford and Worcester to reopen following repairs to wall collapse and landslip at Yarnton


Tomorrow morning (Wednesday 22 February) services between Oxford and Worcester will resume following the reopening of the line between Oxford and Kingham, after Network Rail successfully repaired a wall collapse and landslip that occurred on Friday 10 February at Yarnton near Oxford.

On the evening of Friday 10 February, a side wing wall of the road over rail bridge at Yarnton, Oxfordshire, collapsed onto the rail line serving Oxford to Worcester. Network Rail was on site immediately to repair the damage and put in place protective barriers to protect the rail line, however further landslips continued to occur in the embankment adjacent to the bridge, and as a result the railway between Oxford and Kingham was closed.

The ground was extremely unstable and posed a significant risk to the stability of the road and utilities in the road. The landslide had also exposed a gas main which presented an added complexity to overcome during the repairs.

At the start of last week, Network Rail’s engineers were on site conducting detailed investigations to identify the most suitable options to stabilise the embankment so that the road bridge and railway underneath it could be safely reopened to traffic. Network Rail worked with specialist civil engineering contractors Balfour Beatty to design metal sheet piling to act as a retaining wall to support the embankment and road.

The team of engineers began installing the metal sheet piles, as well as 22 soil nails, on Friday evening and worked tirelessly over the weekend and into this start of this week to complete the work. As a result, this stretch of railway will reopen as planned first thing tomorrow morning (Wednesday 22 February) ready for the first train service of the day – the 05.10 Oxford to Moreton-In-Marsh – to pass through.

A 20mph temporary speed restriction will remain in place and a watchman will be positioned on site until Network Rail has completed the second phase of longer-term repairs to reinforce the structure and ground. Construction for this phase of work is due to begin at the end of next week and is expected to take a couple of weeks to complete which will be carried out overnight when no services are running to avoid disrupting passengers.

The highway of the road over rail bridge at Yarnton will remain closed until at least the middle of next week with plans to reopen to a single lane controlled by traffic lights.

PS: The Guildford line bridge in Wokingham had a similar tantrum last Friday. Part of the parapet fell onto the road, and it wasn't because it got hit - too high above the road, for one thing. So a day with the road closed and a brickie up a scaffold tower, and now we have a stretch of new brickwork.  No trains to disrupt, of course.
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Richard Fairhurst
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« Reply #93 on: February 22, 2023, 09:02:32 »

And everything reopened this morning as expected.

Curious engineering train scheduled for this evening: Honeybourne to Finstock. I bet that combination hasn't appeared very often! https://www.realtimetrains.co.uk/service/gb-nr:U03583/2023-02-22/detailed
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charles_uk
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« Reply #94 on: February 24, 2023, 18:02:32 »

Just the thing for a Friday afternoon...

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15:20 London Paddington to Worcester Foregate Street due 17:41 will no longer call at Slough, Hanborough, Charlbury, Kingham, Honeybourne, Evesham and Pershore.
It has been previously delayed, has been further delayed at Reading and is now 30 minutes late.
This is due to damage to the overhead electric wires earlier today.

Those decanted at Oxford having to take the next service...

Quote
15:50 London Paddington to Great Malvern due 18:30 was terminated at Oxford.
It will no longer call at Hanborough, Charlbury, Kingham, Moreton-In-Marsh, Honeybourne, Evesham, Pershore, Worcestershire Parkway Hl, Worcester Shrub Hill, Worcester Foregate Street, Malvern Link and Great Malvern.
This is due to a shortage of train crew.

Leaving a two car turbo to pick up all those for stations to Moreton-in-Marsh!
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Worcester_Passenger
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« Reply #95 on: February 24, 2023, 19:01:27 »

The 15:20 from Paddington, missing out lots of stops, got to Foregate Street 41 late at 18:22.

Curiously, the return journey, the 17:58 from Foregate Street has been started from Shrub Hill, but is running 30 minutes late.

RealTimeTrains is reporting that the 19:05 from Great Malvern is being started from Oxford (due to an issue with the train crew) - but this is not being reported on JourneyCheck.
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stuving
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« Reply #96 on: February 27, 2023, 12:33:51 »

And everything reopened this morning as expected.

RAIB (Rail Accident Investigation Branch) have announced an investigation into this. The first thing to look at was where, of several candidates, it was - Yarnton is the decision:
Quote
Train striking debris at Yarnton

Investigation into a train striking debris from a failed bridge wingwall at Yarnton, near Hanborough, Oxfordshire, 10 February 2023.


Yarnton Road (also known as Cassington Road) bridge, following partial failure of a wingwall.

At around 18:40 hrs on Friday 10 February 2023, the driver of the 17:34 hrs Great Western Railway service from London Paddington to Hereford struck some brick rubble on the single line at Yarnton, between Oxford and Charlbury. This had fallen onto the track from a failed wingwall that was adjacent to the line, and which formed part of a bridge carrying a local road over the railway.

The train was travelling at around 55 mph (89 km/h) when the collision occurred. The train sustained damage but did not derail. There were no injuries reported to the traincrew or passengers on the service.

Although Network Rail initially reopened the line on Sunday 12 February, it was closed again after a few hours. It remained closed for a further nine days while an adjacent embankment was stabilised.

Our investigation will seek to identify the sequence of events which led to this accident. It will also consider:
  •     the history of this structure including modifications to the affected wingwall, and any repair work undertaken
  •     the findings of inspections undertaken of the structure and the responses to them
  •     a report of cracking in the road approaching the structure on the adjacent embankment which was made before the failure occurred
  •     any underlying management factors.

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Mark A
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« Reply #97 on: February 27, 2023, 13:36:04 »

It's good to see this described as a wingwall collapse rather than a landslip.

Everything looks a bit... damp, and people working with this will now be very familiar with the services the bridge carries.

If a water main's involved along with other services, sometimes the fix for a water leak can be delayed while the various services have a conversation and everyone sort of loses focus on the potential risk particularly if the services cross a structure.

Anecdotes follow ... tl;dr - we sometimes don't take into account the vulnerabilities of bridges and the 'Stitch in time' principle.

Anedote 1: Out on a walk, passing beneath a bridge over the canal, everything was wet. The bridge's retaining wall had a healthy spout of potable water issuing cheerfully from it that looked to have been running for so long that it was surprising that it wasn't marked on OS (Ordnance Survey) maps as a spring, and the leak looked to have redirected itself from its previous path of least resistance through the bridge arch, which was and remains a bit distressed. The road surface above indicated services below, so, phone call to the water authority.

It emerged that their leak reporting line was unable to locate a leak without a postcode - awkward as, despite a house alongside it, canal bridges do not have postcodes. They finally located the leak from identifying the intersection of the (b) road and the canal - and then responded that the leak had indeed been reported some time ago and were thankfully indiscrete enough to say the fix was complicated as it was beneath a wooden pole mounted through the bridge approach and carrying a lowish voltage electricity pole, which had delayed things. This is some way from home and I didn't revisit until the end of August last year when the whole area was dry (and the leak had not prompted an actual collapse before it was fixed).





Anecdote 2: one Friday, we received a report that Bath's Two Tunnels path was abruptly wet at Claude Avenue bridge - that's one of the two overbridges in Oldfield Park. Dropping by on the way home from work, water was seeping from a very wide area of the bridge's masonry including the flat & vulnerable retaining wall on the uphill side.

There followed a phone call to Wessex Water making clear the position of the leak and the potential for structural damage. To their credit, they were out that evening, and over the weekend they dug things up, fixed it and the bridge quickly dried  and we didn't need to contact them again about it.

Mark

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ChrisB
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« Reply #98 on: February 27, 2023, 14:08:33 »

And everything reopened this morning as expected.

RAIB (Rail Accident Investigation Branch) have announced an investigation into this. The first thing to look at was where, of several candidates, it was - Yarnton is the decision:
Quote
Train striking debris at Yarnton

Interestingly, Rail Advent carries an extra snippet -

Quote
It will scrutinise a report made before the incident of cracks in the road approaching the bridge on the embankment next to it.

Wonder where they got that from.
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Worcester_Passenger
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« Reply #99 on: February 27, 2023, 15:02:53 »

The photograph in the RAIB (Rail Accident Investigation Branch) announcement makes it look as if the wall is made up of two skins of brickwork, with little bonding between the two. You can see this more clearly in the RailAdvent piece.
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Ollie
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« Reply #100 on: February 27, 2023, 22:39:54 »

And everything reopened this morning as expected.

RAIB (Rail Accident Investigation Branch) have announced an investigation into this. The first thing to look at was where, of several candidates, it was - Yarnton is the decision:
Quote
Train striking debris at Yarnton

Interestingly, Rail Advent carries an extra snippet -

Quote
It will scrutinise a report made before the incident of cracks in the road approaching the bridge on the embankment next to it.

Wonder where they got that from.

That bit is in the RAIB release quoted by stuving.
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ChrisB
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« Reply #101 on: February 28, 2023, 09:16:09 »

So it is, Ollie. Thanks.

If every crack in the road adjacent to a railway bridge has to be investigated for soil movement, god help the railway.
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ray951
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« Reply #102 on: March 09, 2023, 16:46:03 »

A bit more information on plans to sort out the bridge from a Network Rail Asset Engineer:

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The proposed intervention is to use a geopolymer in the bank and the area behind the abutment to stabilise the transition between the two assets. There are some elements that I need to detail through with the proposed geopolymer, organic content of the embankment and EA approvals etc, but I am working to complete the works in late March into April.

Looks like work on the bridge will start soon as they have been busy building an access road down to the Culham end of the bridge. This access road is between the railway and the adjacent 'dirt-bike' track.

I wonder if they will lower the track bed to meet the current bridge height or try to raise the bridge to match the track bed, this is assuming that it is the bridge that has sunk.
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ray951
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« Reply #103 on: March 22, 2023, 11:19:56 »

No trains between Didcot and oxford on Sunday 26th March and Sunday 2nd April to repair the bridge over the Thames between Culham and Radley.
Rail replacement buses between Didcot and Oxford and Cotswold line services will start/end at Oxford.

From GWR (Great Western Railway):

On the 26th two direct trains will run from London Paddington at 1920 to Hereford and 2050 to Worcester Shrub Hill, diverted via an alternative route between Didcot Parkway and Worcester Shrub Hill.

On the 1st a very limited direct service will run from London Paddington to Worcester Shrub Hill, diverted via an alternative route between Didcot Parkway and Worcester Shrub Hill.
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Richard Fairhurst
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« Reply #104 on: May 02, 2023, 10:25:36 »

Not quite sure what was going on this morning. According to RTT» (Real Time Trains - website), the Oxfordshire Halts stopper left Shrub Hill 38 minutes late; lost more time en route; and was terminated at Charlbury at 08.53. I cycled past at about 09.00 and there was a Turbo sitting in platform 2, presumably this service.

But then it looks like the 08.44 from Oxford to Worcester was also cancelled between Oxford and Charlbury, to be replaced with an ECS (Empty Coaching Stock) working. Perhaps the guard from the Halts train was required on the 08.44, and swapped trains at Charlbury, meaning that the Oxford<–>Charlbury journeys couldn't carry passengers without a guard?

https://www.realtimetrains.co.uk/search/detailed/gb-nr:CBY/2023-05-02/0000-2359?stp=WVS&show=all&order=wtt
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