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Author Topic: Bristol Resignalling - from Bristol PSB to Thames Valley Signal Centre  (Read 20726 times)
SandTEngineer
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« Reply #30 on: April 09, 2017, 09:56:04 pm »

Today I have seen a document that states that the Bristol Station area will be resignalled and controlled from TVSC in April 2018 and the Corsham to Bristol area will be resignalled and controlled from TVSC in April 2019.  Watch this space...... Roll Eyes Tongue
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Noggin
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« Reply #31 on: April 09, 2017, 11:15:32 pm »

Today I have seen a document that states that the Bristol Station area will be resignalled and controlled from TVSC in April 2018 and the Corsham to Bristol area will be resignalled and controlled from TVSC in April 2019.  Watch this space...... Roll Eyes Tongue

Interesting, thank you, they must be getting on OK with it all then.

Am I right in thinking that the PSB will still remain for a while longer until Bristol South is done?
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SandTEngineer
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« Reply #32 on: April 10, 2017, 08:49:55 am »

Am I right in thinking that the PSB will still remain for a while longer until Bristol South is done?

Correct, but I'm not sure how long 'a while longer' actually will be........ Roll Eyes Wink
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DaveHarries
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« Reply #33 on: June 14, 2017, 12:12:31 am »

Am I right in thinking that the PSB will still remain for a while longer until Bristol South is done?

Correct, but I'm not sure how long 'a while longer' actually will be........ Roll Eyes Wink
I have, more than once, heard it suggested that TVSC Didcot may not have the capacity to take over all of the areas controlled from Exeter and Plymouth along with the main line all the way to Penzance. To that end one idea being suggested is that all of Devon and Cornwall along with, possibly, the main line up as far as Nailsea / Bedminster could pass to an ROC that could be opened at Exeter. The fact that no decision has yet been taken might explain why no date has yet been suggested as to when Bristol South might be done.

Dave
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ellendune
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« Reply #34 on: June 14, 2017, 05:29:16 pm »

Am I right in thinking that the PSB will still remain for a while longer until Bristol South is done?

Correct, but I'm not sure how long 'a while longer' actually will be........ Roll Eyes Wink
I have, more than once, heard it suggested that TVSC Didcot may not have the capacity to take over all of the areas controlled from Exeter and Plymouth along with the main line all the way to Penzance. To that end one idea being suggested is that all of Devon and Cornwall along with, possibly, the main line up as far as Nailsea / Bedminster could pass to an ROC that could be opened at Exeter. The fact that no decision has yet been taken might explain why no date has yet been suggested as to when Bristol South might be done.

Dave

I have read somewhere (sorry cannot remember where) that TVSC is not big enough and that they were planning to expand it.  Another ROC elsewhere is obviously an alternative. 

However if I was going to split it anywhere I would not choose Bristol with all its complexity.  I would choose somewhere between Weston and Taunton. 
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Chris from Nailsea
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« Reply #35 on: June 14, 2017, 07:13:46 pm »

In the view of at least one of our Coffee Shop members, Bridgwater would be a suitable place to split.  Roll Eyes Shocked Grin

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grahame
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« Reply #36 on: June 14, 2017, 09:18:14 pm »

I have read somewhere (sorry cannot remember where) that TVSC is not big enough and that they were planning to expand it.  Another ROC elsewhere is obviously an alternative. 

However if I was going to split it anywhere I would not choose Bristol with all its complexity.  I would choose somewhere between Weston and Taunton. 

In the view of at least one of our Coffee Shop members, Bridgwater would be a suitable place to split.  Roll Eyes Shocked Grin



You would then need a split at somewhere like Langport too.   Why not split at Wellington - reduces the number of interfaces and would allow Taunton to Bristol services to be under a single control (Minehead ones too if they were to start back there!)
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bignosemac
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« Reply #37 on: June 14, 2017, 09:47:52 pm »

The present boundary for Bristol and Exeter Panels, at Fordgate between Bridgwater and Cogload Junction (154M 12Ch), would be the most obvious choice.

As for the line between Cogload Junction and Castle Cary, the present boundary between Exeter and Westbury Panels is at Somerton Tunnel (126M 59Ch).
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DaveHarries
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« Reply #38 on: August 12, 2017, 05:59:52 pm »

The present boundary for Bristol and Exeter Panels, at Fordgate between Bridgwater and Cogload Junction (154M 12Ch), would be the most obvious choice.
I believe the boundary point is where the M5 crosses over the line just north of Junction 24 (Bridgwater South)?

Meanwhile I have heard somewhere that Stage 1 of the resignalling of Devon & Cornwaill will see a new panel installed at Roskear Junction to control Truro to St. Erth but the semaphore signals and boxes at both ends will remain.

Back to Bristol however: I see that a new signal, which remains bagged over for the moment, has been installed just prior to the entrance to Clifton Down tunnel on the Sea Mills side. I guess that signal marks the point where the control of trains on that line will pass between St. Andrews PSB and TVSC: a simulation I have of the Bristol PSB area has the boundary between Bristol PSB and St. Andrews PSB to be between Avonmouth and Shirehampton.

Dave
« Last Edit: September 20, 2017, 11:24:02 pm by DaveHarries » Logged
DaveHarries
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« Reply #39 on: March 18, 2018, 07:38:10 pm »

Apologies for bumping this topic.

As part of the resignalling works through Bristol Temple Meads the St. Andrews Crosses which have hung from the platform canopies for as long as I can remember will be replaced with conventional signals. The good thing is that most of these signals have, as shown in the first picture, been hung from the canopies in question but I was not too happy recently to note the new bracket supporting the new signals erected on Platform 5. I have heard suggestions that the support will be painted green at some point but it rather stands out, in a negative way, in the meantime against the architecture of the station. Sooner the bracket gets painted the better IMO but why the signals shown in the top attachment couldn't simply have been hung from the canopy where Platform 5 and Platform 6 join is beyond me: would look less unsightly.

Dave
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grahame
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« Reply #40 on: March 18, 2018, 07:46:01 pm »

Apologies for bumping this topic.

Totally happy to have the topic bumped.   Saves our admin team combining threads to keep a good archive later on.   Please ignore the bright "Are you sure - not been posted in for 120 days" warning.

Quote
Sooner the bracket gets painted the better IMO but why the signals shown in the top attachment couldn't simply have been hung from the canopy where Platform 5 and Platform 6 join is beyond me: would look less unsightly.

Dave

Too heavy??
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SandTEngineer
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« Reply #41 on: March 18, 2018, 07:51:46 pm »

I will be (very) supprised if those signal structures get painted green.  They are usually silver or grey so that they stand out.  They do, however, look as though no design thought has gone into them (first cost and all that Roll Eyes ).
« Last Edit: March 18, 2018, 08:51:03 pm by SandTEngineer » Logged

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bignosemac
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« Reply #42 on: March 18, 2018, 11:08:05 pm »

The main shed canopy is listed. Perhaps that's another reason why the new signals were not hung from it. The canopies on higher numbered platforms are not listed.
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Red Squirrel
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« Reply #43 on: March 19, 2018, 12:00:08 am »

Are you sure? I'm struggling to find a definitive map, but I'm pretty confident that the whole shebang is Grade I...
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Chris from Nailsea
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« Reply #44 on: March 19, 2018, 12:18:45 am »

Hmm.  I'm inclined to agree with bignosemac - my rather vague memory suggests that the outer / newer platform canopies are not so listed, as they're not part of the iconic I K Brunel / Francis Fox design.

But it is certain that the platform 14 canopy is not listed.  Anywhere.  Grin

« Last Edit: March 19, 2018, 09:51:13 pm by Chris from Nailsea » Logged

William Huskisson MP was the first person to be killed by a train while crossing the tracks, in 1830.  Many more have died in the same way since then.  Don't take a chance: stop, look, listen.

"Level crossings are safe, unless they are used in an unsafe manner."  Discuss.
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