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Failure of BRs

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Failure of BRs 06/04/2020 at 23:34 #125435
DaveHarries
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1039 posts
Whilst playing SimSig (West Hampstead) this evening I had Panel 3 (Luton area) for most of the session and during the course of this I had a failure of the banner repeater (BR) on the Up Slow at Radlett as seen in this screenshot. My question is what should happen when a train gets to a failed BR?

When train 2J05, seen at St. Albans City in this screenshot, got to Radlett he made a call for passengers at the station as scheduled and then carried on his journey without slowing down or ringing in (when the phone icon next to the game clock flashes) to report the failed BR. Was he right not to report the failure or would ignoring a failed BR be against the rules? I can see from Google Earth, as well as the photo from Google Earth of the BR in question, that there is a curve in the route of the line just south of Radlett station so surely, for all that 2J05's driver knew IRL, signal WH254 - the one at double yellow just past the failed BR - could have been showing red. The driver might well not have seen the associated signal, which is an overhead one just south of the bridge in the distance of the Google Earth shot, until he was possibly unable to avoid a SPAD.

The driver should probably, IRL, have to report a failed BR as soon as he could so maybe that should come in as a future feature.

Cheers,
Dave




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Failure of BRs 07/04/2020 at 01:31 #125437
jc92
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3062 posts
The driver should've been stopped and cautioned at the signal in rear to prevent any SPAD risk or the driver thinking he'll receive an ACOA and emergency brake when the asociated signal is off.

Incidentally in all my simsig hours I've never encountered a failed banner.

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Failure of BRs 07/04/2020 at 11:12 #125444
Splodge
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492 posts
It's worth noting that BR's aren't always interlocked/proved - I had a failure of one approaching Prestbury recently (MD132 BR) which was completely blank - I was calling at Prestbury anyway so stopped before it's associated signal and rang the signaller whilst in the station. He wasn't aware of the failure.
There's the right way, the wrong way and the railway.
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Failure of BRs 10/04/2020 at 16:11 #125546
Stephen Fulcher
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1560 posts
There is no interlocking fault in this screenshot.

In modern practice the banner only holds the signal in rear if it should be on. In this case the one that has failed has done so in the off position so the signal in rear can legitimately clear.

I am not sure there is any need to caution as the remaining banner is lit and showing a more restrictive aspect than the failed one would have been, and in daylight at least it would be fairly obvious that the lit banner was for the other route. I am sure if I’m wrong one of the professional signallers on.here will correct me.

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Failure of BRs 10/04/2020 at 16:32 #125547
Sam Tugwell
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482 posts
https://catalogues.rssb.co.uk/rgs/rulebooks/GERT8000-TS11%20Iss%203.1.pdf

Rulebook Module TS11 Reg 12 may help with how to deal with failures like this.

Put simply, try to make the Banner "tell the truth". If thats not possible, advise each driver before they approach the defective banner.

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"Temple Meads Signalman"
Last edited: 10/04/2020 at 16:39 by Sam Tugwell
Reason: Rulebook link added.

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Failure of BRs 10/04/2020 at 16:35 #125548
headshot119
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3717 posts
Sam Tugwell in post 125547 said:
Rulebook Module TS11 Reg 12 may help with how to deal with failures like this.

Put simply, try to make the Banner "tell the truth". If thats not possible, advise each driver before they approach the defective banner.
THE TRUTH, THE WHOLE TRUTH, AND NOTHING BUT THE TRUTH, OR SO HELP ME SPAD.

"As the last track dropped, and the route became free, came the cry BROMLEY " - Opinions are my own and not those of my employer
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The following users said thank you: Sam Tugwell, jc92