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1P75, 1247 - Manchester Airport to Middlesbrough. Train splitting.

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Bayum

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We’ve been told at Leeds that passengers for York onwards would have to switch to the front three carriages. Looking at RealtimeTrains, there doesn’t seem to be any other movements from platform 15 beside the next Scarborough train arriving at 15b. Does the Scarborough train join to the remaining carriages left in Leeds? I was thinking a potential stock movement for rush hour on its way back from Scarborough?
 
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J-P_L

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The rear unit on Middlesbrough services is locked out of use at Leeds because of the short platform at Yarm.

It is diagrammed for this to happen at Leeds with a 5 minute dwell time.
 

Bovverboy

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The rear unit on Middlesbrough services is locked out of use at Leeds because of the short platform at Yarm.

If passengers are permitted to stay on the rear unit until York (as indicated by Bayum, above) then it clearly can't be locked out until York.
 

Bovverboy

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Why do it at Leeds and not York??

I think that question is effectively answered by J-P_L's second sentence, above.

But why do it at all? Why not simply detach the rear unit at York, then it could be made clear from the outset what was going to happen? It wouldn't then be any different from any other train scheduled to divide en route.

If all the Middlesbroughs were 6-car sets, doing the above would save two units. If not, the detached unit could always go to Siemens for a couple of hours attention.

P.S. 5F52 (0356 ECS York Siemens to Middlesbrough) - does it run as a triple 185?
 
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J-P_L

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I think that question is effectively answered by J-P_L's second sentence, above.

But why do it at all? Why not simply detach the rear unit at York, then it could be made clear from the outset what was going to happen? It wouldn't then be any different from any other train scheduled to divide en route.

If all the Middlesbroughs were 6-car sets, doing the above would save two units. If not, the detached unit could always go to Siemens for a couple of hours attention.

P.S. 5F52 (0356 ECS York Siemens to Middlesbrough) - does it run as a triple 185?

When the C-ASDO system goes live then the process of locking the back set will cease and they will run as a 6 car in service.

5F52 is a single 185 which forms the 05:43 Middlesbrough to Liverpool. The 06:22 Middlesbrough to Airport is formed by a unit coming ECS from Heaton.

The first 6 car Middlesbrough is 1P63 from Airport (06:47) and runs ECS from Ardwick as 5P63.
 

Bovverboy

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When the C-ASDO system goes live then the process of locking the back set will cease and they will run as a 6 car in service.

I gather that C-ASDO is a selective door opening system, presumably when it is operative any doors on the trailing unit which happen to be adjacent to the platform will be able to be opened. All the same, the fact that double 185s currently run York-Midd-York with the second unit out of use effectively proves, to me at least, that the second unit isn't needed from a capacity viewpoint.

5F52 is a single 185 which forms the 05:43 Middlesbrough to Liverpool. The 06:22 Middlesbrough to Airport is formed by a unit coming ECS from Heaton.

Indeed. I'd forgotten that a unit went from Tyneside to Midd in a morning. Actually, RTT gives 5P14 as being 0514 ECS Newcastle (P7) to Midd, but there's no sign of a unit being left in P7 overnight so I'm inclined to suppose that it comes from Heaton as the rear unit of 5M03 and sets off for Midd from P8 not P7.
I'd missed 1N19 (0508 York-Midd) because it runs via Darlington instead of Yarm.
 

Bovverboy

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The first 6 car Middlesbrough is 1P63 from Airport (06:47) and runs ECS from Ardwick as 5P63.

I presume that only a minority of the Midds are formed of double 185s, since there aren't too many 185s available for doubling.
 

J-P_L

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I gather that C-ASDO is a selective door opening system, presumably when it is operative any doors on the trailing unit which happen to be adjacent to the platform will be able to be opened. All the same, the fact that double 185s currently run York-Midd-York with the second unit out of use effectively proves, to me at least, that the second unit isn't needed from a capacity viewpoint.



Indeed. I'd forgotten that a unit went from Tyneside to Midd in a morning. Actually, RTT gives 5P14 as being 0514 ECS Newcastle (P7) to Midd, but there's no sign of a unit being left in P7 overnight so I'm inclined to suppose that it comes from Heaton as the rear unit of 5M03 and sets off for Midd from P8 not P7.
I'd missed 1N19 (0508 York-Midd) because it runs via Darlington instead of Yarm.

Spot on on both counts it’s a double from Heaton to Newcastle and then one forms the ECS Middlesbrough.

Only one diagram is a 6 car on the Middlesbrough route.

Yes the C-ASDO will open coaches on the platform leaving the rest locked. You will see yellow bars at stations on the sleepers at the end of the platform which are the beacons for the system.

From a capacity viewpoint the Middlesbrough-York section isn’t needed but the diagram forms the 08:12 arrival into Leeds and is busy between Manchester and Leeds. The diagram also forms the 17:18 off Leeds which again is busy between LDS and MAN.
 

LordCreed

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I gather that C-ASDO is a selective door opening system, presumably when it is operative any doors on the trailing unit which happen to be adjacent to the platform will be able to be opened. All the same, the fact that double 185s currently run York-Midd-York with the second unit out of use effectively proves, to me at least, that the second unit isn't needed from a capacity viewpoint.

There's a number of reasons whilst a unit might be dragged around locked out of use:

- No driver around to carry out the detachment and various shunts.
- Performance risk of carrying out a detach or attach. Possibility that there's not sufficient dwell to allow the train crew allowances.
- No appropriate location to store the unit left behind. As they can't always be left in platforms, and depots are not always in a position to accept units midway through the day.
 

Bovverboy

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There's a number of reasons whilst a unit might be dragged around locked out of use:

- No driver around to carry out the detachment and various shunts.
- Performance risk of carrying out a detach or attach. Possibility that there's not sufficient dwell to allow the train crew allowances.
- No appropriate location to store the unit left behind. As they can't always be left in platforms, and depots are not always in a position to accept units midway through the day.

Out of interest, does anyone know how many 185s remain at York Siemens after the dozen or so units have gone out on service most days?
 

r2ro

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There's a number of reasons whilst a unit might be dragged around locked out of use:

- No driver around to carry out the detachment and various shunts.
- Performance risk of carrying out a detach or attach. Possibility that there's not sufficient dwell to allow the train crew allowances.
- No appropriate location to store the unit left behind. As they can't always be left in platforms, and depots are not always in a position to accept units midway through the day.

To annoy your customers?

Seriously why doesn't the guard use their T Key and lock the doors out of use for the short platform? Seen it done for Dore and Totley for 185x2
 

Ih8earlies

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To annoy your customers?

Seriously why doesn't the guard use their T Key and lock the doors out of use for the short platform? Seen it done for Dore and Totley for 185x2

A 6 car 185 can only have both units in use AND stop at stations with such* a short platform IF it has 2x Conductors** onboard OR C-ASDO*** is functioning and enabled.

*If more than 3 doors have to be locked out.

**2x Conductors are required. (There must also be fully functional Cab to Cab comms onboard)

***C-ASDO is still not fitted to all 185 units (as far as I know). Crew training is still underway and C-ASDO is not yet enabled.
 
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