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Old April 20th, 2010, 01:36 AM   #421
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Old May 4th, 2010, 07:32 PM   #422
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Quote:
Status of Work on the Gotthard and Ceneri

04.05.2010

As of May 1, 2010, of the total of 151.84 km of tunnels, galleries and passages of the Gotthard Base Tunnel, 145.4 km, or 95.8 %, had been excavated. The total amount driven in April 2010 was 604 m.

Of the total of 39.78 km of the Ceneri Base Tunnel, at the end of April 2010, 7,880 m, or 19.8%, had been excavated.
Faido West TBM is still blocked in the difficult zone and is now 1,2 km behind the East TBM. The latter has just 1,6 km (one mile) to bore.
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Old May 20th, 2010, 02:13 PM   #423
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i was wondering does anyone know where to get detailed information about the geology and conditions encountered along the tunneling process ?? would be greatly appreciated
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Old May 20th, 2010, 04:56 PM   #424
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Quote:
Originally Posted by Coccodrillo View Post
Faido West TBM is still blocked in the difficult zone and is now 1,2 km behind the East TBM. The latter has just 1,6 km (one mile) to bore.
That is a bit odd, as you'd expect both TBMs to encounter more or less the same geological conditions. Both bores are not that far apart...
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Old May 20th, 2010, 09:26 PM   #425
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@K: Also in the Amsteg section one TBM encountered a difficult zone and the other don't.

@crb68: about the geology, other asking directly AlpTransit AG or searching on tis website, you can try to ask the three associations of entreprises that are boring the tunnel.

http://www.alptransit.ch/ (contractor, subsidiary of SBB CFF FFS)
http://www.transco-sedrun.ch/ (Sedrun)
http://www.agn-amsteg.ch/ (Amsteg-Erstfeld)
http://www.tat-ti.ch/ (Bodio-Faido)

This one is the group that will lay tracks and railway infrastructure: http://www.transtec-gotthard.ch/ (it doesn't do civil engineering)
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Old May 21st, 2010, 02:27 AM   #426
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Quote:
Originally Posted by Coccodrillo View Post
@K: Also in the Amsteg section one TBM encountered a difficult zone and the other don't.

@crb68: about the geology, other asking directly AlpTransit AG or searching on tis website, you can try to ask the three associations of entreprises that are boring the tunnel.

http://www.alptransit.ch/ (contractor, subsidiary of SBB CFF FFS)
http://www.transco-sedrun.ch/ (Sedrun)
http://www.agn-amsteg.ch/ (Amsteg-Erstfeld)
http://www.tat-ti.ch/ (Bodio-Faido)

This one is the group that will lay tracks and railway infrastructure: http://www.transtec-gotthard.ch/ (it doesn't do civil engineering)
Thank you !! greatly appreciated
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Old May 22nd, 2010, 08:17 PM   #427
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it's pretty much better to change some colours legends of the tunnel to this.

yellow for "excavation and lining accomplished" and
green for "ready for installation of railway technology"
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Old May 24th, 2010, 01:49 AM   #428
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Is it already known what will happen with the existing line and summit
tunnel once the base tunnel will be in revenue service ?
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Old May 24th, 2010, 10:34 AM   #429
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No. But I have seen a project for the 2020 timetable. It shows something similar to today, with one InterCity/EuroCity per hour via the base tunnel and one InterRegio via the old line.

Another confirmed point is that the old railway tunnel will be used by shuttle trains carrying road vehicles during the clousure of the road tunnel for update and maintenance planned around 2020.
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Old May 26th, 2010, 03:03 AM   #430
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Quote:
Originally Posted by Coccodrillo View Post
No. But I have seen a project for the 2020 timetable. It shows something similar to today, with one InterCity/EuroCity per hour via the base tunnel and one InterRegio via the old line.
And in preparation for this the IRs have already received the Panorama coaches.
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Old May 26th, 2010, 10:11 AM   #431
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Panorama coaches have been in use on the Gotthard line since their construction. They are and were used also on the Arlberg line.
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Old May 26th, 2010, 05:59 PM   #432
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Quote:
Originally Posted by Coccodrillo View Post
Panorama coaches have been in use on the Gotthard line since their construction. They are and were used also on the Arlberg line.
I know. But it used to be that the ICs had the Panorama coaches. Before the last timetable change you had three categories of trains on the Gotthard: The Cisalpino trains using the infamous ETR sets, loco hauled IC Trains that were somewhat slower, and loco hauled IR trains that had more stops than the IC trains and thus were even slower. The IC trains had the Panorama coaches.

SBB doesn't like irregular timetables however, and wanted the IC trains to run in the same pattern als the EC/Cisalpino trains. They also wanted to establish a service pattern that anticipates the opening of the new base tunnel.
So now the service is:
- ICN have replaced IC, and they and the EC are run using a mixture of different types of high speed capable trainsets. The EC services are those that used to be run by Cisalpino. They are still run with ETR470 sets, but many of these services is currently are currently doubled with an ICN service. All ICN/EC services now run in the same pattern.
- IR services: These are the only loco hauled trains, and they are slated to remain on the old line. They received the Panorama coaches. Last time I traveled back from Lugano I wasn't in a hurry and took one of these trains. They're a great an relaxing way to travel...
The end result is that the IR takes about half an hour longer than the IC, which is very convenient for the integration in the rest of the network at both ends.
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Old May 30th, 2010, 11:53 PM   #433
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Some infos:
- the east artificial part at Erstfeld will be completed at the end of this year
- the west artificial part mid 2011
- mid 2011 the grade separated junction shown below will be opened, it lies between Altdorf (left) and Erstfeld (right)
- tracklaying here will not start befor mid 2011, when the junction will be activated (only the branch to Erstfeld and the old line)
- there will be three tracks from Altdorf to the portal (5 km) and four near the portal
- there will a new 7 km line south of the southern portal, partly with 3 tracks
- this will allow passenger trains to overtake freight trains, these will run in groups
- to the south there will be two junction
-- one probably single track and certainly flat north of Biasca
-- one south of Biasca (again probably flat, but for two tracks)
- Faido West TBM is still blocked, it may restart in July, it has still 2700 m to bore



Uploaded with ImageShack.us

The artificial section under construction looking north. The bridge and the foothpath it carries will be closed this year.



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Old May 31st, 2010, 09:12 AM   #434
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Quote:
Originally Posted by Coccodrillo View Post
Some infos:
- the east artificial part at Erstfeld will be completed at the end of this year
What do you actually mean with "artificial section"? It's not as if there are any "natural sections" to the project.
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Old May 31st, 2010, 09:23 AM   #435
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Artificial tunnels are "boxes" like the one in the photo, built at ground level and then covered, or shallow cuttings excavated and covered later (like some urban tunnels for metro and roads).

Natural tunnels are tunnels bored under the ground, without access from the surface except at one end.

http://en.wikipedia.org/wiki/Tunnel
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Old June 1st, 2010, 11:58 PM   #436
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Photos from Erstfeld and Amsteg: http://www.drehscheibe-foren.de/fore...hp?106,4842035
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Old June 2nd, 2010, 11:26 PM   #437
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Quote:
As of June 1, 2010, of the total of 151.84 km of tunnels, galleries and passages of the Gotthard Base Tunnel, 146.1 km, or 96.2 %, had been excavated. The total amount driven in May 2010 was 694 m.

Of the total of 39.78 km of the Ceneri Base Tunnel, at the end of May 2010, 8,101 m, or 20.4%, had been excavated.
http://www.alptransit.ch/en/news/art...2/bezeichnung/
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Old July 1st, 2010, 09:36 PM   #438
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from alptransit.ch:

Gotthard Base Tunnel: Installation of railway infrastructure systems begins

25.06.2010

At the south portal of the Gotthard Base Tunnel, between Bodio and Faido, installation of the railway infrastructure systems has begun in the west tunnel. By 2012, the approximately 16-kilometres-long section will be completely equipped with the railway infrastructure including railway track, catenary, electric power supply, telecommunications, and safety systems. The Gotthard Base Tunnel will be ready for scheduled train services in 2017.

The first section of the tunnel to have the railway infrastructure installed is the Faido-Bodio West section. Test runs at speeds of up to 230 kph will take place in this approximately 16-kilometres-long section from 2013. These will allow the complex interaction of the railway infrastructure systems in the Gotthard Base Tunnel to be extensively tested. The logistical base for installation of the railway infrastructure in this section is the Surface Installations Site South at Biasca, which has been built on an area of 70,000 square metres. A further requirement is construction of the approximately 4.5-kilometres-long section of the Open Section South between the surface installations site and the tunnel portal at Bodio.

Northern installation to start in autumn 2011
Installation of the railway infrastructure systems also from the north portal will begin in 2011. The Erstfeld-Amsteg-Sedrun East section will be the first to receive the railway infrastructure systems. For this purpose the Railway Infrastructure Systems Surface Installations Site North will be built at Rynächt as from autumn 2010.

Rail-based installation
The first installations of railway infrastructure in the Gotthard Base Tunnel are therefore taking place in parallel with completion of the concrete shell in other sections of the tunnel. Installation and commissioning will take a total of eight years. The only effectively available access points for bringing the material into the tunnel are the two portals. „The unprecedented tunnel length of 57 kilometres and the restricted space conditions limit access for tyred vehicles and present a major challenge“, states Oliver Bratschi, Executive Director Railway Engineering for the tunnel owner, AlpTransit Gotthard Ltd. Virtually all transportation therefore takes place by rail from the two main surface installation sites in the north and south. As first railway infrastructure installations, cables will be pulled in and the ballastless trackbed laid.

Coordination of more than 1000 technical interfaces
At peak times, more than 700 people will be involved in installing the railway infrastructure. The complexity is high, detailed coordination of everyone involved is essential. „More than 1000 technical interfaces must be mutually coordinated to make trouble-free rail traffic in the Gotthard Base Tunnel possible, says Rolf Brunner, Chairman of the Construction Committee of Transtec Gotthard.

AlpTransit Gotthard Ltd.
AlpTransit Gotthard Ltd.is the constructor of the Gotthard axis of the New Rail Link through the Alps with base tunnels through the Gotthard and Ceneri. Established in 1998 as a subsidiary of Swiss Federal Railways, the company now employs around 140 people at its headquarters in Lucerne and its branches in ALtd.orf, Sedrun, Faido and Bellinzona. The work contract „Railway Infrastructure Gotthard Base Tunnel“ with a value of CHF 1.7 billion is one of the world’s largest contracts in the field of railway infrastructure and the largest work contract of AlpTransit Gotthard Ltd.

Transtec Gotthard
Transtec Gotthard AG has been appointed general contractor by AlpTransit Gotthard Ltd.for installation of the railway infrastructure systems in the Gotthard Base Tunnel. The consortium comprises the companies Alpiq InTec AG, Alcatel-Lucent/Thales RSS (as a consortium), Alpine-Bau and Balfour Beatty Rail. As four equal partners, the companies contribute to the consortium their competences in the areas of railtrack, catenary, railway safety, railway and tunnel control systems, telecommunications, electric power supply, logistics, planning and execution.
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Old July 4th, 2010, 07:22 PM   #439
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Quote:
As of July 1, 2010, of the total of 151.84 km of tunnels, galleries and passages of the Gotthard Base Tunnel, 146.6 km, or 96.6 %, had been excavated. The total amount driven in June 2010 was 531 m.

Of the total of 39.78 km of the Ceneri Base Tunnel, at the end of June 2010, 8,344m, or 21%, had been excavated.
http://www.alptransit.ch/en/news/art...3/bezeichnung/
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Old July 16th, 2010, 12:55 PM   #440
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Second-hand tunneling equipment on sale: http://tat.ebrick.net/usedcached/it/...egories_1.html
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