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Old April 8th, 2011, 11:25 PM   #81
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N/Z Line: Station Johan van Hasseltweg

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Er worden veel nieuwe bomen rond het station geplant.
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Old April 8th, 2011, 11:28 PM   #82
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N/Z Line: Buikslotermeerplein station

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Veel gebeurd er niet aan het station.
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Old April 8th, 2011, 11:29 PM   #83
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N/Z Line: Station Rokin

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Boven de grond is alleen een bouwplaats te zien.
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Old April 9th, 2011, 12:30 PM   #84
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It takes extremely long to build that line. Is it lack of money or construction problems?
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Old April 9th, 2011, 02:11 PM   #85
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Both. They've been building since '90 last century. Costs have been tripled due to the soft soil. It's extremely hard to build a subway line directly underneath the oldtown of Amsterdam. All old canal houses are standing on poles. It's basically one big lake underneath all those houses. If you just start digging, the canal houses will basically sink into the ground/lake. This is probably one of the hardest subway lines to be built ever, no kidding.
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Old April 9th, 2011, 02:13 PM   #86
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Quote:
Originally Posted by Falubaz View Post
It takes extremely long to build that line. Is it lack of money or construction problems?
Things like this cause a lot of delays:



Imagine waking up, but you can't open your front door because it sunk 5 inches below street level..
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Old April 9th, 2011, 02:25 PM   #87
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Yeah, I heard that the soil is particularly saturated and difficult to tunnel through. Subsidance will always be a problem when tunnelling in places like that unfortunately.

Have many buildings been damaged so far?
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Old April 9th, 2011, 02:27 PM   #88
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Quote:
Originally Posted by Falubaz View Post
It takes extremely long to build that line. Is it lack of money or construction problems?
It's the soil. Amsterdam is build on a swamp. The historical houses are build on poles in the ground. That's why it's difficult to drill.

A lot of historical houses aren't straight.


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Old April 10th, 2011, 07:52 PM   #89
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Quote:
Originally Posted by Falubaz View Post
It takes extremely long to build that line. Is it lack of money or construction problems?
Nah...we just tend to do things the Dutch way...which means that the initial time-line of all projects has to be multiplied by at least 2 for a realistic completion date.

Alas, it's taking too long indeed for this line to get finished. However, there's been some real progress over the past few years since the construction incident at Vijzelgracht station: the twin tunnels between Central Station and Rokin have been finished, the deep Rokin and Ceintuurbaan stations have been dug out completely, and the parts in the north and south of town are almost complete. It's the part of the line in the center that's taking so darn long to build...
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Old April 11th, 2011, 04:29 PM   #90
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Yeah, I heard that the soil is particularly saturated and difficult to tunnel through. Subsidance will always be a problem when tunnelling in places like that unfortunately.

Have many buildings been damaged so far?
I don't think so. As soon as a building got damaged, they stopped drilling. Restored the building and then moved on. That's why it got so expensive!
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Old April 12th, 2011, 12:23 AM   #91
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Quote:
Originally Posted by Ni3lS View Post
Both. They've been building since '90 last century.
They have been building since 2003.
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Old April 12th, 2011, 12:27 PM   #92
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Quote:
Originally Posted by Ni3lS View Post
I don't think so. As soon as a building got damaged, they stopped drilling. Restored the building and then moved on. That's why it got so expensive!
Damage to buildings was never caused by the drilling process. The boring process for the two tunnels that have been drilled so far between Central Station and Rokin did not cause any damage to adjacent buildings.
The damage to the historical houses next to Vijzelgracht station were caused by a leaking seal in one of the diaphragm walls. This led to a considerable amount of ground water to leak into the station, thus causing subsidence and subsequent property damage. Construction at the Vijzelgracht station site had already resumed in April last year when the damaged buildings still needed restoring (which took place in December last year).

Furthermore, these incidents are but one of many reasons why costs for this project have soared in the mean time. A way too optimistic cost estimate before the project took off probably accounts for the most part of the cost rise (from € 1,7 bln in 2003 to > € 3 bln by now).
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Old April 14th, 2011, 04:51 PM   #93
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Quote:
Originally Posted by Silly_Walks View Post
They have been building since 2003.
The process and preparation started in the nineties.

Quote:
Originally Posted by Alargule View Post
Damage to buildings was never caused by the drilling process. The boring process for the two tunnels that have been drilled so far between Central Station and Rokin did not cause any damage to adjacent buildings.
The damage to the historical houses next to Vijzelgracht station were caused by a leaking seal in one of the diaphragm walls. This led to a considerable amount of ground water to leak into the station, thus causing subsidence and subsequent property damage. Construction at the Vijzelgracht station site had already resumed in April last year when the damaged buildings still needed restoring (which took place in December last year).

Furthermore, these incidents are but one of many reasons why costs for this project have soared in the mean time. A way too optimistic cost estimate before the project took off probably accounts for the most part of the cost rise (from € 1,7 bln in 2003 to > € 3 bln by now).
Never said it was the drilling that caused it Just said they stopped working on it as soon as something got damaged.
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Old April 14th, 2011, 07:06 PM   #94
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Quote:
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The process and preparation started in the nineties.
This is petty. To quote your own words: "They've been building since '90 last century"

They have NOT been building since the '90s.


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Never said it was the drilling that caused it Just said they stopped working on it as soon as something got damaged.

You said they stopped drilling. They were NOT drilling and if they were, they didn't stop. The drilling took place in an entirely different place and was never interrupted other than for normal operating procedures that required them to stop (adding special types of rings for connecting the two tunnels later on, etc.).
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Old April 15th, 2011, 02:04 PM   #95
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Quote:
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Just said they stopped working on it as soon as something got damaged.
I wish they had, back in 2008 at Vijzelgracht station. In reality, there were quite a few hours between their first findings of problems with the diaphragm walls, and the moment they decided to halt construction and start an emergency procedure. They should have done that rightaway, as that would most certainly have prevented most of the subsidence and the subsequent damage.
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Old April 19th, 2011, 10:20 PM   #96
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Amsterdam metro to close for six weeks

Amsterdam's metro system is to be closed between central station and Amstel station for six weeks from July 23 for maintenance.

The closure is to allow contractors to improve fire safety.

The work was scheduled for the summer of 2010 but, although the metro was closed, no work was done because of a dispute over the contract.

A shuttle bus service will carry passengers between the two stations.
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Old April 23rd, 2011, 10:31 AM   #97
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Busstation U/C



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En het gaat zelfs nog sneller dan op de laatste foto's. Inmiddels staan de buitenste 2 spanten ook. Vanmorgen een snelle mobiele update gemaakt. Men was druk bezig met plaatsen van dwarsverbindingen tussen de spanten. Ook stond de vrachtwagen met de resterende boogdelen klaar. Enjoy:

Hij is best breed.
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11-04-22 Stationskap IJsei 009 by The Engineer 023, on Flickr

Inhijsen van nieuwe dwarsverbindingen.
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11-04-22 Stationskap IJsei 002 by The Engineer 023, on Flickr

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11-04-22 Stationskap IJsei 004 by The Engineer 023, on Flickr

Mooi gevulde foto....
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11-04-22 Stationskap IJsei 007 by The Engineer 023, on Flickr

Toen viel mijn oog op deze vrachtwagen.
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11-04-22 Stationskap IJsei 003 by The Engineer 023, on Flickr

En kwam tot de conclusie dat de kap volgend jaar 'geopend' dient te worden....MMXII staat lijkt mij voor 2012
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11-04-22 Stationskap IJsei 005 by The Engineer 023, on Flickr

Bonus, inclusief cruiseschip.
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11-04-22 Stationskap IJsei 001 by The Engineer 023, on Flickr
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Old April 24th, 2011, 01:47 AM   #98
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i really like the "hour" cards that tourists can buy in Amsterdam. I recently purchased the 72 uur card for only 15.50 euro. Quite a bargain compared to paying single tickets every time i need to be on-the-go although these cards should be made more available for example one can purchase it from ticket machines.

regarding the north-south line, man... i'm just speechless with this project. ever since i arrived in Holland 5 years ago, it's still not completed. costs associated have hiked tremendously and the eye sore caused due to constructions equipments, scaffolding, etc is unbearable (especially the area around Amsterdam CS, Dam, and Rokin urrghhh!!)

I really hope the contractor, the government, GVB, and every party that has interest in it can gather their acts and work together to finish it asap for the better of everyone
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Old April 24th, 2011, 01:12 PM   #99
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regarding the north-south line, man... i'm just speechless with this project. ever since i arrived in Holland 5 years ago, it's still not completed. costs associated have hiked tremendously and the eye sore caused due to constructions equipments, scaffolding, etc is unbearable (especially the area around Amsterdam CS, Dam, and Rokin urrghhh!!)
Besides the horrible delays and cost overruns, I don't think i know of any project of the same scale that doesn't cause eye sores during construction.
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Old April 24th, 2011, 01:29 PM   #100
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Quote:
Originally Posted by reinhart87 View Post
regarding the north-south line, man... i'm just speechless with this project. ever since i arrived in Holland 5 years ago, it's still not completed. costs associated have hiked tremendously and the eye sore caused due to constructions equipments, scaffolding, etc is unbearable (especially the area around Amsterdam CS, Dam, and Rokin urrghhh!!)
It's a huge and complex project to drill under the historical city. I would compare it like the Big Dig in Boston.
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