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Author Topic: Dawlish - permanent resilience work - ongoing discussions  (Read 62694 times)
TonyK
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« Reply #120 on: April 27, 2022, 19:21:49 »

Not seen the description "Embedded Inspector" before. Have the contractors embedded him in concrete?

National shortage of rebar, I understand.
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stuving
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« Reply #121 on: August 31, 2022, 12:12:15 »

Network Rail have put out a news item about the completion of the Dawlish sea wall. That's just the wall itself - various pedestrian access bits, including the station footbridge, still need finishing.
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The railway through Dawlish is now better protected as construction of the new, bigger sea wall has reached another major milestone.

The installation of all 164 wall panels, 203 pre-cast blocks and 189 recurve units which return waves back out to sea is now complete. This innovative design coupled with the increased height of the new sea wall will help prevent delays and disruption to passengers by minimising the likelihood of the tracks flooding and allowing the line to reopen more quickly after major storms.

The first section of new sea wall – which runs for 360 metres along Marine Parade south west of Dawlish station – was completed in July 2020. Construction of the 415 metre second section – stretching from Coastguard breakwater northeast of Dawlish station to Colonnade breakwater – began in November 2020.

Following the significant progress made installing the wall panels, blocks and recurve units, Network Rail and its contractors BAM Nuttall are now fully focused on completing the link bridge that will connect the two sections of public, accessible promenade and the new stilling basin, where Dawlish Water runs into the sea.

This work is now expected to be finished in December, due to the discovery of an uncharted gas main in June which delayed piling to install foundations for the new link bridge close to Colonnade viaduct...
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paul7575
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« Reply #122 on: August 31, 2022, 19:31:48 »

Latest Dawlish beachcams video update is online today and it has a lot of detail about future work:

https://youtu.be/Ji8jlKlLmXs

I noticed the four images in the Network Rail press release linked earlier are all from the beachcams man.
« Last Edit: September 21, 2022, 20:08:30 by paul7575 » Logged
paul7575
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« Reply #123 on: September 21, 2022, 20:07:48 »

For anyone interested in the details of the last stages of the work near the station, Dawlish “beachcams man” has zoomed in the view of the new stilling basin, where the Dawlish Water enters the sea.  You can now easily see the layout of the basin sides (note the stepped area on the far side), and the future ground level walkway over the brook is also visible as a concrete box behind the low wall.  Sometime later this month I understand the current diversion channel will be removed and the brook will be moved permanently to its new channel.

Link to the YouTube channel here:  https://youtu.be/cnTe_FbGhgM
« Last Edit: September 30, 2022, 19:13:59 by paul7575 » Logged
paul7575
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« Reply #124 on: September 30, 2022, 18:46:14 »

Update to the previous post, the beachcams video live chat has just noted that the Dawlish Water is now expected to be diverted through its new channel on Monday next week, ie 3rd October 2022.

Paul
« Last Edit: September 30, 2022, 19:13:19 by paul7575 » Logged
paul7575
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« Reply #125 on: October 24, 2022, 20:58:12 »

Just a quick summary of recent progress at Dawlish, if you follow the link to the video channel, (it’s a couple of posts back), you can see that they’ve commenced installing the concrete recurve wall sections on the unfinished end of the Marine Parade section. This part of the phase 1 build had been deferred pending confirmation of the design of the link bridge.

There’s some progress on the seaward facing walls either side of the new stilling basin.

There’s also a large temporary support deck built between the south abutment and the first bridge pier, this will carry the formwork so that the bridge can be a “cast in situ” concrete beam, apparently this is because it is too difficult to lift heavy precast sections into place over the railway.

Hope this is of interest.

Paul
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GBM
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« Reply #126 on: November 01, 2022, 06:55:56 »

With the blow we had down far West yesterday evening, I'm surprised to see trains went through Dawlish normally yesterday.

Wrong type of wind  Roll Eyes
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« Reply #127 on: November 01, 2022, 07:54:51 »

Latest video on progress from Dawlish beach cams https://www.youtube.com/watch?v=ANYK2hzCl_k Shows progress on the formwork for the bridge
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paul7575
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« Reply #128 on: November 01, 2022, 21:30:38 »

I think this is to be the general look of the new promenade link bridge.  There were a few different options shown in the planning application.

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paul7575
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« Reply #129 on: November 30, 2022, 13:42:36 »

The concrete pour for the new Dawlish link bridge is underway as I post this, the work can currently be seen on this video stream:
https://youtu.be/uf8ILeEpkeg
Also appears here in a wider angle view, as linked in earlier posts, but with sound:
https://youtu.be/V1IwilTRjM0

Paul
« Last Edit: November 30, 2022, 13:48:09 by paul7575 » Logged
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« Reply #130 on: January 25, 2023, 17:47:45 »

Tomorrow, 26 Jan, if the work at Dawlish goes to plan it should see the final sea wall sections installed about mid afternoon, and the last big excavator removed by sea. 

If following the work on the webcam you’ll know there’s a gap in the wall to the left of the stilling basin, that has been left to allow the big machines to get off the beach at high tides. 

Paul
« Last Edit: January 25, 2023, 17:53:31 by paul7575 » Logged
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« Reply #131 on: April 15, 2023, 14:22:00 »

The Dawlish beachcam previously covering the Colonnade and the new stilling basin area has just been moved to cover the north of the station area as the lifts and footbridge installation has started.  The first two lift shaft sections on the seaward side were installed overnight during one night last week.

https://www.youtube.com/live/V1IwilTRjM0?feature=share
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paul7575
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« Reply #132 on: May 25, 2023, 17:28:16 »

The sea wall between Coastguards and the Colonnade, and the new footbridge, have been opened to the public this afternoon.  I think this means there is level access between the tunnel and Dawlish Warren, and the beach is now open in time for the bank holiday weekend. 

There’s a narrow fenced off section where work continues on the seaward side of the new footbridge.

Paul
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ellendune
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« Reply #133 on: June 18, 2023, 09:18:55 »

The footbridge span was lifted in last night.  Now visible on beach cams.  Also this video before to explain what was going to be involved. 
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REVUpminster
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« Reply #134 on: June 19, 2023, 20:26:15 »

Was watching from 3.30am and nothing really happened until 6am when the lift shaft section that the bridge was to lie on was craned over and then craned back because it would not fit properly. Craned back over and they were able to fit the section. Must have been an hour before they were happy. The bridge was then craned over and fitted in 10 minutes.
They then had time to add the top section of the lift shaft on the carpark side and then the top cap which took longer than the bridge. Aligning of the upright connectors again.
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