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26,063 Views β’ Apr 11, 2024 β’ Click to toggle off description
The Copthall Tunnel is one of five green tunnels on the HS2 route, which are shallower tunnels which will be finished with trees, plants and shrubs on top β helping them blend into the natural landscape. Materials from the excavation are kept on site and then reused on the tunnel surroundings, reducing movement of spoil.
In this latest update, we focus on the progress made on the tunnel such as the completion of the cut, the reopening of the new realigned Harvil Road, the works made on the central section, including the construction of the first vent stack and the work on the soil placement areas (SPAs).
In the Northern SPA, the planting of the first 1,300 plants has began. This is part of 70,000 individual trees, shrubs and bushes that will transform the area into a haven of biodiversity once the landscaping is complete.
The tunnelling team have excavated approximately 500,000m3 of TBM material which is being used to form three mounds within the Southern SPA, keeping the material within site boundaries at Copthall.
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0:00 Introduction
0:06 Latest works on the tunnel
0:43 What is the Copthall Tunnel?
0:59 The first vent stack
1:23 Rebar facility update
1:39 No lost time incidents
2:01 Backfilling over the tunnel
2:37 Latest environmental works
2:43 What is the NSPA?
3:10 What is the SSPA?
4:01 Update on the SSPA
4:23 Planting the first trees at the NSPA
5:10 Upcoming works on the tunnel
5:44 Outro
#HS2 #Construction #update #tunnel
If you have a question about HS2 or our works, please contact our HS2 Helpdesk team on 08081 434 434 or email hs2enquiries@hs2.org.uk.
Views : 26,063
Genre: Science & Technology
Date of upload: Apr 11, 2024 ^^
Rating : 4.959 (6/576 LTDR)
RYD date created : 2024-04-16T20:40:35.305681Z
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YouTube Comments - 58 Comments
Top Comments of this video!! :3
You guys are amazing. Shame the PM lost his nerve just before you were able to show us all the works. Letβs hope you get to go all the way to Manchester.
73 |
Great job everybody! I look forward to seeing you bring this wealth of experience and practice all the way to Manchester. Oh wait...
19 |
Always an excellent informative video which really gives such an insight into many aspects of HS2 which are not usually considered part of building a brand new transport rail link.
7 |
Thanks for this video and explaining how the works at Copthall are going....
10 |
It's so beautiful. Really hope it is revived somehow and actually brings wealth and connection to the North.
16 |
Monumental (and truly impressive) effort for a half-abandoned project.
2 |
Can't wait for Rishi's pot hole filling videos π
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Well
Done all scs team ππ»ππ»ππ»ππ»
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Nice
7 |
Really shame that is doesn't go up till Scotland and than some HS3 maybe cause it gives true real prosperity to the UK citizens and economy and if its really expensive i think this and some defence spending that UK at all isn't doing like warships shipbuilding or missile it gives a lot to the UK and this and that is the most citizen spend money that isn't just bulls.. and research and development. So UK gov wake up.
12 |
HS2 is such an amazing and benefitial project. Shame the short sighted PM decided to drastically curtail this project back to handsacre and left Euston in uncertainty in a quite clearly political move (wouldnt suprise me if it fell victim to the pro-car junk that Sunak did after Tuckwell won in Uxbridge). Lets just hope that at least the Crewe leg gets brought back at the minimum in order to let HS2 truly fufill its purpose.
21 |
I love travelling by train, and I'm thoroughly content with buses and coaches for shorter journeys. But no way would I use HS2! On a normal train journey there's the sheer joy of witnessing the ever-changing scenery and sky. A journey I made from Kings Cross to Aberdeen comes to mind. Thanks to YouTube videos, we now know that a large part of the HS2 route will be underground. So I reckon many travellers will continue to use traditional railway routes - overground!
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We also need reopening to reconnect places. So more importantly load of people who donβt drive can access employment opportunities. Newbury is so car centric itβs so bad. My lungs are suffering as well. Can we not have a high speedish north south route to Southampton from didcot !
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Quite a lot of jargon in this otherwise excellent and good length video!
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Why is it referred to as Copthall Green?There doesnβt appear to be any place of that name in the area on my maps!
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Crazy this was even built - literally digging a cutting, before filling it in. It's a lovely idea in an ideal world but this just adds to the balooning cost
3 |
Fully agree with you regarding inept politicians (all of them). And as you say it was started in London for political reasons. Can't see how the channel tunnel delayed HS2. The original 32.70 billion budget for HS2 was a figure pulled out of the air by HS2 as the government indicated 32.70 billion was the maximum cost they would sanction so HS2 told the government it could be built for that figure. Therefore the 32.70 billion figure has no credence. Which therefore makes a cost comparison between the 32.70 billion hypothetical figure and what it really costs irrelevant. The construction contract HS2 has been let on is the new engineering contract (NEC) option C actual target cost which is the same contract used for crossrail. It requires the Contractors to provide a fully audited paper trail of all costs. It also requires the Contractors to provide early warning notices to HS2 if an event occurs which might increase costs or increase time duration. As the project design is a continuous ongoing exercise the early warning notices become a continuous ongoing exercise so the cost keeps going up and will do so until all design work and all planning requirements become fully known.
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32 miles of tunnels and vanity bridges in the home counties are the reason why the project was so over budget. HS2 is half a project. The levelling up of the North is a joke.
2 |
@karlgt9989
3 weeks ago
This is the infrastructure this country needs, shame Rishi bottled it
79 |