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Wrong workstation call from 3E44

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Wrong workstation call from 3E44 29/12/2020 at 19:52 #135564
AlexRail575
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From the recent (current) Peterborough and King's Cross chain: 3E44 (2020 summer timetable, terminating Hornsey EMU depot 15:47H per schedule), stopped at Hornsey EMU Depot reverse siding, reports stopped at buffers. That might have been caused by signaller action. However, the bug is that instead of giving a call to the signaller at Finsbury (which is where Hornsey Depot is located), it instead rings up Palace workstation...
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Wrong workstation call from 3E44 29/12/2020 at 20:00 #135565
headshot119
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Wrong workstation call from 3E44 29/12/2020 at 20:58 #135571
Dionysusnu
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Stopped at buffers happens when an overlength train is routed into the reversing siding, when it should instead reverse on the DSL2. Could be considered a bug that it does not detect the location, though.
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Wrong workstation call from 3E44 30/12/2020 at 00:00 #135584
DavidSplett
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Dionysusnu in post 135571 said:
Stopped at buffers happens when an overlength train is routed into the reversing siding, when it should instead reverse on the DSL2. Could be considered a bug that it does not detect the location, though.
There is an issue with the sim in that the bottom of the two sidings should be long enough to take a 12-car train, but this isn’t reflected in the sim. The timetable chooses to keep the timetable data true to reality (in hope that this sim issue will be fixed in the fullness of time), therefore one needs to keep an eye on this and workaround accordingly.

However, this should not affect 3E44 as in the sim timetable this is only an 8-car train. It’s essentially the run as required transfer of 700/0s to and from the GN side.

I don’t have the timetable in front of me, but my memory seems to be telling me 3E44 goes to Bowes Park to reverse? If so this would explain the original issue perhaps.

Last edited: 30/12/2020 at 15:11 by DavidSplett
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Wrong workstation call from 3E44 30/12/2020 at 03:05 #135585
AlexRail575
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It does indeed reverse at Bowes Park (if one wants an idea without having to look in the sim: close enough); but the call was made when the train stopped at the Hornsley siding so I would guess it probably is some simulation data that isn't being updated properly or at the right time.
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Wrong workstation call from 3E44 30/12/2020 at 04:53 #135589
GeoffM
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DavidSplett in post 135584 said:
There is an issue with the sim in that the bottom of the two sidings should be long enough to take a 12-car train, but this isn’t reflected in the sim.
The sim has both sidings at 220m which, according to current day Google Earth is wrong for both. The top should be ~170m and the bottom ~240m. Putting a 12-car in would seem very tight.

Added to the ticket Karl raised, but the signals (including the buffers) are already allocated to Finsbury workstation, not Palace. I'll run it and check though.

SimSig Boss
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Wrong workstation call from 3E44 30/12/2020 at 10:41 #135601
DavidSplett
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GeoffM in post 135589 said:
DavidSplett in post 135584 said:
There is an issue with the sim in that the bottom of the two sidings should be long enough to take a 12-car train, but this isn’t reflected in the sim.
The sim has both sidings at 220m which, according to current day Google Earth is wrong for both. The top should be ~170m and the bottom ~240m. Putting a 12-car in would seem very tight.

Added to the ticket Karl raised, but the signals (including the buffers) are already allocated to Finsbury workstation, not Palace. I'll run it and check though.
It is indeed very tight, however this is true to real life as I can 100% vouch for having seen a 12-car 700/1 in there, and indeed they are (or at least have been) timetabled to do so. It surprised me as well, hence why it’s something I specifically looked out for.

This only started being an issue in the last few years, as until then 12-car trains on the GN were rare.

Last edited: 30/12/2020 at 10:42 by DavidSplett
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Wrong workstation call from 3E44 30/12/2020 at 12:21 #135609
mfcooper
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DavidSplett in post 135601 said:
It is indeed very tight, however this is true to real life as I can 100% vouch for having seen a 12-car 700/1 in there, and indeed they are (or at least have been) timetabled to do so. It surprised me as well, hence why it’s something I specifically looked out for.

Back in May 2018, GTR advised their drivers that FLU [Full Length Unit] (12-car) 700s were prohibited from "Hornsey Down Reversing Siding". I believe there were signal sighting issues due to the combination of a 700 only just fitting and them having a central driving position.

I think this did not originate from Network Rail, as the signallers at Kings Cross didn't know until a driver refused to take the route.

I do not know if this restriction is still in place.

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Wrong workstation call from 3E44 30/12/2020 at 12:34 #135611
markt
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mfcooper in post 135609 said:
DavidSplett in post 135601 said:
It is indeed very tight, however this is true to real life as I can 100% vouch for having seen a 12-car 700/1 in there, and indeed they are (or at least have been) timetabled to do so. It surprised me as well, hence why it’s something I specifically looked out for.

Back in May 2018, GTR advised their drivers that FLU [Full Length Unit] (12-car) 700s were prohibited from "Hornsey Down Reversing Siding". I believe there were signal sighting issues due to the combination of a 700 only just fitting and them having a central driving position.

I think this did not originate from Network Rail, as the signallers at Kings Cross didn't know until a driver refused to take the route.

I do not know if this restriction is still in place.
It is indeed still in place (December 2020 update of restrictions). FLUs should reverse either on Down Slow 2, or in Bowes Park Reversing Siding.

3E44 is booked these days to reverse at Bowes Park Siding for this reason as it can be used for either RLU or FLU.

20 years of Simsigging
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Wrong workstation call from 3E44 30/12/2020 at 15:01 #135620
DavidSplett
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markt in post 135611 said:

It is indeed still in place (December 2020 update of restrictions). FLUs should reverse either on Down Slow 2, or in Bowes Park Reversing Siding.

3E44 is booked these days to reverse at Bowes Park Siding for this reason as it can be used for either RLU or FLU.
Very helpful - many thanks. I presume this restriction applies only to 700/1, and doesn't apply to 3x365 or 3x387? Certainly the latter can be prone to sighting issues as well.

Thinking about it (I'm working on the December 2020 KX timetable at the moment!), I noticed the various evening 700/1 KX to Hornsey moves had changed since the last timetable to reverse via (what is in the Sim as) "Hornsey DS2". That no doubt ties in. Until that point they were booked as via Hornsey Down Reversing Sidings, even if that's not what they did in practice.

I don't suppose it would be possible to post any other TOC-imposed restrictions which apply in the KX PSB area, in order to help achieve maximum realism in the various TTs?

Looking at the timetable planning rules, this is what is quoted for Hornsey reversing sidings:
Hornsey EMU Reversing Siding No.1
Berthing facilities Planning note
Usable length of 25 SLU/161 metres – capable of stabling 1 x 8-car unit
Hornsey EMU Reversing Siding No.2
Berthing facilities Planning note
Usable length of 37 SLU/241 metres – capable of stabling 1 x 12-car unit
Obviously that doesn't include any TOC restriction, but it does confirm that a 12-car should be able to fit in practical terms.

Last edited: 30/12/2020 at 15:29 by DavidSplett
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Wrong workstation call from 3E44 30/12/2020 at 19:47 #135652
GeoffM
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GeoffM in post 135589 said:
DavidSplett in post 135584 said:
There is an issue with the sim in that the bottom of the two sidings should be long enough to take a 12-car train, but this isn’t reflected in the sim.
The sim has both sidings at 220m which, according to current day Google Earth is wrong for both. The top should be ~170m and the bottom ~240m. Putting a 12-car in would seem very tight.

Added to the ticket Karl raised, but the signals (including the buffers) are already allocated to Finsbury workstation, not Palace. I'll run it and check though.
Further to this, it's K440 that has a missing workstation allocation, not the dead-end sidings.

Thanks for the other comments RE lengths.

SimSig Boss
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Wrong workstation call from 3E44 30/12/2020 at 20:25 #135653
DavidSplett
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GeoffM in post 135652 said:
GeoffM in post 135589 said:
DavidSplett in post 135584 said:
There is an issue with the sim in that the bottom of the two sidings should be long enough to take a 12-car train, but this isn’t reflected in the sim.
The sim has both sidings at 220m which, according to current day Google Earth is wrong for both. The top should be ~170m and the bottom ~240m. Putting a 12-car in would seem very tight.

Added to the ticket Karl raised, but the signals (including the buffers) are already allocated to Finsbury workstation, not Palace. I'll run it and check though.
Further to this, it's K440 that has a missing workstation allocation, not the dead-end sidings.

Thanks for the other comments RE lengths.
Just a note to say thanks for all the work on KX over the years. It’s a popular sim for sure, and (IMO) one of the very best due to the amount of decision-making required to keep it all flowing.

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