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#1 | ||
Technical Officer
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Location: Coach C, Seat 33
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#2 | |
Technical Officer
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Unhappy with new timetable - let us know Last edited by Mark Gleeson : 02-02-2009 at 15:40. |
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#3 |
Technical Officer
Join Date: Dec 2005
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![]() Curiously the afternoon Gorey Maynooth train has just rolled past me, curious that for a closed line, seems like they are recovering the train back to Dublin leaving the folks in Wicklow with no early morning train tomorrow
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#4 | |
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Location: Clonsilla
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![]() Not the best day for this to happen.
From AA Roadwatch Quote:
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#5 | |
Technical Officer
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#6 |
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Join Date: Dec 2005
Location: Co. Wicklow
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![]() Unless there has actually been structural damage to the line I honestly can't see why this landslide will shut the line between Greystones and Bray tomorrow and possibly the next day. This is a massive disruption for Greystones residents including myself...is there a chance the line could open tomorrow?
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#7 |
IT Officer
Join Date: Sep 2007
Location: Greenwich, London
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![]() Chances are looking bad. Our reports indicate that the line is not actually blocked but there is a risk of loose rocks falling on trains unless secured.
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#8 | |
Technical Officer
Join Date: Dec 2005
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![]() To be honest this could be the end of the Rosslare line
The exact location is about 25 minutes walk from Bray station just before the first tunnel, the rock face is almost vertical at that point, its only accessible on foot. Bray Head is strange by virtue of the fact the rock strata are at a 45 degree angle not nicely layered on top of each other so they just slide off Quote:
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#9 |
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Join Date: Mar 2006
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![]() hyperbole much, Mark? Bear in mind this section of line once fell into the sea and the victorians managed to fix it. Now I'm not crediting IE with any sort of Victorian-levels of expertise or ingenuity, but securing rock-faces is a fairly common task for engineers the world-over, I'm sure its solvable.
how long was that line in Norn Iron closed for last year, it was a similar issue wasn't it? |
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#10 |
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Join Date: Dec 2005
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![]() I've walked around Bray Head many times in recent years, there has been a massive acceleration in the coastal erosion, there isn't any space to move. There have been far too many close calls with trains stopping short of rockfalls
Only long term alternative is to bore a new tunnel from Bray to Greystones, about 3.5km in length Its going to take several days if not weeks to sort this mess out, Bus Eireann are going to make a killing with the new timetable and passengers are not going to come back when the line reopens
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#11 | ||
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#12 |
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Join Date: Dec 2005
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![]() For reference the exact location http://maps.live.com/default.aspx?v=...cl=1&encType=1
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#13 | |
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![]() That was my first thought 'shweeney'. The line wouldnt warrant any expenditure on tunnelling. Just takes some ingenuity. |
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#14 | |
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Long term the only way to reduce journey times and increase capacity is a new tunnel, that needs to be looked at now, not much point looking at it when the engineers come back one day and say they have to close permanently Rockfall -> derailment -> train 50 feet drop head first into the sea
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#15 |
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![]() Cheers for the link Mark. The site is more inaccessible than I thought. Maybe expecting some ingenuity from IE was a mistake...
Bringing precast units to that area be it by sea or road seems quite impossible. Everything will have to come by rail and also fit through the preceding tunnels. Get your thinking hats on boys! I still don't see tunnelling as an option at the moment given the expense but examining the feasibility of it is no harm. It need not be too long but just to link back with the line when it cuts inland. |
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#16 |
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Join Date: Mar 2006
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![]() you're talking about a 2-mile+ tunnel. It would cost an astronomical amount.
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#17 | |
Technical Officer
Join Date: Dec 2005
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Interconnector was 1.4-1.8 billion for 5.4km with 5 stations and twin tunnels, probably get change out of 300 million for Greystones job It will have to happen sometime, its 92 years since the last major works on the line to deal with the problems
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Unhappy with new timetable - let us know Last edited by Mark Gleeson : 03-02-2009 at 12:32. |
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#18 |
Regular Poster
Join Date: Mar 2006
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![]() problem is it never cuts back inland - the line hugs the cliffs from the end of the long-tunnel (greystones end) all the way into bray. to get away from the cliffs you'd have to have one tunnel right the way through.
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#19 | |
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Join Date: Mar 2006
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*gets out crayons* |
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#20 | |
Regular Poster
Join Date: Dec 2005
Location: Co. Wicklow
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It's a very good point that the expert knowledge in tunneling soon to come from the dublin rail tunnel projects could vastly reduce the cost of carrying out tunneling work inbetween Bray and Greystones. |
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