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Emergency special working

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stjimmy87

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Hi guys

I have a good idea of the differences between esw and tbw in that esw doesn't have handsignalers etc but one part that confuses me is what happenes so points that need to be secured and green flagged, do they still do that? Do any level crossings have any intermediate handsignalers for the signals that protect crossings or a crossing keeper with green flag? If the whole idea is to save time and less man power will they still provide a crossing keeper?

Don't get me wrong I have read the rule book but just want some clarification.

Many thanks

Also some clarification on some other things please...

Only locally monitored level crossings have at George's Cross warning with aws warning?

Does pushing the plunger only operate the white flashing light and road signals not the barriers?

Can someone explain restricted acceptance when it comes to absolute block?

Once again many thanks
 
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CC 72100

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Hi guys

I have a good idea of the differences between esw and tbw in that esw doesn't have handsignalers etc but one part that confuses me is what happenes so points that need to be secured and green flagged, do they still do that? Do any level crossings have any intermediate handsignalers for the signals that protect crossings or a crossing keeper with green flag? If the whole idea is to save time and less man power will they still provide a crossing keeper?

Don't get me wrong I have read the rule book but just want some clarification.

Many thanks

Also some clarification on some other things please...

Only locally monitored level crossings have at George's Cross warning with aws warning?

Does pushing the plunger only operate the white flashing light and road signals not the barriers?

Can someone explain restricted acceptance when it comes to absolute block?

Once again many thanks

Think about it logically- why would you have intermediate handsignallers at any signals protecting level crossings when in both ESW and TBW you are to ignore all signals inbetween the 'entry' signal and the 'exit' signal?
 

stjimmy87

Member
Joined
16 Sep 2016
Messages
300
Location
Nottingham
Think about it logically- why would you have intermediate handsignallers at any signals protecting level crossings when in both ESW and TBW you are to ignore all signals inbetween the 'entry' signal and the 'exit' signal?

Must be getting confused with slw
 

stjimmy87

Member
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16 Sep 2016
Messages
300
Location
Nottingham
What do you want to know?
Just in general what it is, I have a list of reasons to pass signal at danger but no real explanation as to what it is... At a guess, is it only accepting a train up to a home signal as apposed to up to the section signal?
 

Eccles1983

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4 Sep 2016
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Just in general what it is, I have a list of reasons to pass signal at danger but no real explanation as to what it is... At a guess, is it only accepting a train up to a home signal as apposed to up to the section signal?

It allows a signaller to permit a train up to his home signal despite a train occupying the next section or at least it's overlap.

The overlap being 440 (give or take with variances) yards in ab areas.
 

bengley

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18 May 2008
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Yes - within SLW you can have Intermediate handsignallers to give greater capacity over the section.
Really? Isn't that only in TBW?

Edit:

Just checked my rule book and you can indeed divide a single line with a handsignaller as long as it's authorised.
 

Tomnick

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AOCL/ABCL crossings: the plunger will usually start the sequence (including the barriers if there are any) if it hasn’t already been started. If it has, i.e. the road lights are flashing and the barriers are down, but the driver’s white light isn’t flashing for any reason, it’ll have no effect and the crossing will probably time out just as you’re about to get going again...

Restricted acceptance - it’s only authorised in specific circumstances, or where authorised locally, but as others have said it’s where the line isn’t clear to the clearing point. You’ll only need to be talked past the section signal in rear if the block’s locked by track circuits between the home signal and the clearing point, which is relatively rare in my experience anyway.
 

alistairlees

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What do all the three letter acronyms mean? I thought it was forum policy to explain these at first use...
 

t_star2001uk

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23 Aug 2011
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What do all the three letter acronyms mean? I thought it was forum policy to explain these at first use...

TBW - Temporary Block Working
SLW - Single Line Working
ESW - Emergency Special Working
AOCL - Automatic Open Crossing Local Monitor
ABCL - Automatic Barrier Crossing Local Monitor

Hope that helps
 
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