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ChrisB
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« Reply #735 on: March 10, 2014, 12:48:33 » |
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I would wait until FGW▸ release their timetable for that period. It should be sometime later this week.
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bobm
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« Reply #736 on: March 10, 2014, 12:58:16 » |
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.... But in the meantime Eliza may I wish you a very warm welcome to the forum?  |
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Pb_devon
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« Reply #738 on: March 11, 2014, 10:47:44 » |
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We've focussed on the seaward side of the line at Dawlish, but does anyone what is happening on the landward side? I guess a retaining wall is needed to repair the road in front of the houses, as well as backfilling the road (and installing drains etc).
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stuving
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« Reply #739 on: March 11, 2014, 13:11:10 » |
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We've focussed on the seaward side of the line at Dawlish, but does anyone what is happening on the landward side? I guess a retaining wall is needed to repair the road in front of the houses, as well as backfilling the road (and installing drains etc).
Do have a look at the pictures on the NR» Storm damage and flooding: Dawlish page - by now there are quite a lot of them showing things not in view of the webcam. Pictures 20- 22, in particular, address this question and show a bit of the area behind the railway being filled with reinforced concrete. (But note they are not in any obvious order.) In the timeline text, there is mention of shuttering for a retaining wall here - so I think there will be (or maybe by now is) a reinforced concrete retaining wall built above the solid concrete, with fill to go behind it that will be determined by the needs of the houses rather than the railway. The timeline contains some other useful details, though it's a bit sketchy and in some places reports the same thing several times (presumably when something didn't start when planned). Errors such as calling the temporary seawall a breakwater have been left in, which is confusing as I have seen a breakwater (implying a bigger, better one than those already there) suggested as added protection for Dawlish. |
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Super Guard
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« Reply #740 on: March 11, 2014, 18:55:28 » |
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....and the XC▸ times form the XC website: Monday 10 - Friday 14 March 2014 from Bristol Temple Meads to Exeter St Davids at 06.40, 09.45, 10.46, 13.05, 14.46, 16.02, 17.45, 19.45; and from Exeter St Davids to Bristol Temple Meads at 09.23, 12.23, 13.24, 15.23, 17.23, 18.25, 20.20. Combined with the FGW▸ shuttle from WSM to Taunton I make that almost an hourly service in both directions (with a few slightly longer gaps and a very long three hour gap  in the morning peak). The XC website is not clear though on arrival times at the destinations or indeed if they are through services to the (far) North and therefore some of the trains might still be diverted via Westbury and be Exeter to Bristol shuttles only. I am baffled as to why anyone trying to get to Bristol from Taunton or further west for 0900 is still struggling, even with the line open to some trains. 0600 from Exeter is still the only option to get a pre-0900 arrival, with either a bus from Taunton or train changes at Taunton and WSM. Are XC really unable to put a direct 8/10 car service on at 0723? (I know I know it would be need to come down from Bristol first), but still... |
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paul7575
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« Reply #741 on: March 12, 2014, 15:52:28 » |
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In the timeline text, there is mention of shuttering for a retaining wall here - so I think there will be (or maybe by now is) a reinforced concrete retaining wall built above the solid concrete, with fill to go behind it that will be determined by the needs of the houses rather than the railway.
The 'lobstervision' web cam is now (1530 on the 12th) showing significantly taller 'L-shaped' concrete sections being used to form the inboard boundary, so that would now suggest a similar solution to the seaward side - I'd presume they'll do something alongside it to restore the original view from the road and/or houses... Paul |
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stuving
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« Reply #742 on: March 12, 2014, 19:18:02 » |
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The 'lobstervision' web cam is now (1530 on the 12th) showing significantly taller 'L-shaped' concrete sections being used to form the inboard boundary, so that would now suggest a similar solution to the seaward side - I'd presume they'll do something alongside it to restore the original view from the road and/or houses...
If you look at picture 10 (5th March) on the NR» Dawlish page, you will see that the road level (the same as the bottom of the scaffolding bridge) is more than 3 m above the track base that the L-sections are being bolted to. So I think what is now poking up into view must be the parapet on top of the retaining wall. Long as those things are, I think they must be sitting well above that base level, either on a part-height retaining wall or a step partway up it. Are they actually L-shaped rather than flat? I can't see a shot that shows that, nor anyone doing any fixing (though that would almost certainly be hidden). |
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ironstone11
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« Reply #743 on: March 12, 2014, 21:40:40 » |
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The 'lobstervision' web cam is now (1530 on the 12th) showing significantly taller 'L-shaped' concrete sections being used to form the inboard boundary, so that would now suggest a similar solution to the seaward side - I'd presume they'll do something alongside it to restore the original view from the road and/or houses...
Are they actually L-shaped rather than flat? I can't see a shot that shows that, nor anyone doing any fixing (though that would almost certainly be hidden). I think in one of the pictures showing the second L piece being manoevered into to place you can just see the base. The first L was parked down at the far end for a while, which I assumed was left free standing, suggesting it was not a plain slab. In the meantime I have discovered some more pictures which answer nearly everthing:- http://www.rmweb.co.uk/community/index.php?/topic/81949-washout-at-dawlish/page-67 towards the bottom of the page, with more pictures on P68 which shows the height of the L pieces relative to the original wall. |
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stuving
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« Reply #744 on: March 12, 2014, 23:09:36 » |
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Ah - as usual, a new camera angle gives a better idea of some of the dimensions (but distorts others). It also shows how much the site varies along the track - different widths of hole to fill, heights of the trackbed fill and road, and methods. That tall section seen on rmweb must be have been there first, but too low to be seen from the webcam. But what are the visible ones sitting on? |
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JayMac
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« Reply #745 on: March 13, 2014, 01:57:08 » |
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Travelled between Bridgwater and Taunton today (12/03/2014) on the 0945 CrossCountry service off Bristol Temple Meads. A short, window hanging, video of the section of line that was previously affected by flooding. Travelling on the Down line between signals DM154 (Bristol) and E110 (Exeter). Still lots of water, but obviously now much lower: https://www.youtube.com/watch?v=FXA9lYLsqig |
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ironstone11
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« Reply #746 on: March 13, 2014, 19:48:56 » |
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That tall section seen on rmweb must be have been there first, but too low to be seen from the webcam. But what are the visible ones sitting on?
The tall section seen in rmweb was parked at the south end for a while. It was then moved and became the first (LH) of the row currently being placed. From various pictures, possibly rmweb, the L pieces may be standing on a plinth about equal to half the height on edge of the concrete barrier blocks. Perhaps a little less at approx 1ft. There are pictures (perhaps again on rmweb) of a concrete pour taking place to form the reinforced plinth where they are using the concrete barrier blocks as shuttering. PS See:- http://www.networkrail.co.uk/timetables-and-travel/storm-damage/dawlish/ Picture 21 at the bottom of the page. |
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« Last Edit: March 14, 2014, 11:20:24 by ironstone11 »
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Lee
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« Reply #747 on: March 14, 2014, 00:57:07 » |
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paul7575
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« Reply #748 on: March 14, 2014, 12:29:52 » |
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I do wonder why the L pieces are shuttered along the landward edge. I supect that the seaward side is also shuttered as a scaffold walkway has been constructed for access. Are the narrow gaps to the sides and undersides to be filled with something? They seem rather small gaps for normal concrete to fill.
The shuttering has gone now, so perhaps they've used some sort of grout to fill the void between the 'L sections' and the base. I think it looked like they were all put in place on packing pieces to adjust for level? Paul |
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ironstone11
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« Reply #749 on: March 14, 2014, 13:04:56 » |
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I do wonder why the L pieces are shuttered along the landward edge. I supect that the seaward side is also shuttered as a scaffold walkway has been constructed for access. Are the narrow gaps to the sides and undersides to be filled with something? They seem rather small gaps for normal concrete to fill.
The shuttering has gone now, so perhaps they've used some sort of grout to fill the void between the 'L sections' and the base. I think it looked like they were all put in place on packing pieces to adjust for level? Yes, a considerable quantity of grout? was mixed using whisks on the end of electric drills. Lots of bags of the stuff were used. Whether there was any hardener added as per some sort of epoxy mix, who knows? I couldn't tell how it was applied, but guess it was poured through the hole in the centre and possibly the fixing holes of the L. |
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