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Old February 27th, 2012, 11:22 PM   #281
chuchero
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Originally Posted by FabriFlorence View Post
Great stations! Very "Madrid style".
Yes, but not a shame to look like the thirht best subway sistem of the world.
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Old February 29th, 2012, 04:44 AM   #282
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I wouldn't go so far to say that Madrid is the third-best subway system in the world. It's not a bad system as far as western Europe is concerned, though.
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Old February 29th, 2012, 07:05 AM   #283
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This is a very impressive project. I wish we could do something like this in the United States for our southern and western cities.
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Old February 29th, 2012, 09:43 AM   #284
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wow!! great metro!!
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Old March 1st, 2012, 06:02 AM   #285
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just waiting for the second phase!!!
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Old March 1st, 2012, 05:29 PM   #286
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When will the second line open?
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Old March 1st, 2012, 06:38 PM   #287
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When will the second line open?
between august - december!!

there still couple station to be finish and the new trains will arrive in the next few months
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Old March 31st, 2012, 02:16 AM   #288
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Old March 31st, 2012, 07:54 PM   #289
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I have a couple of questions.

1. Why did they decide to build this new line completely underground yet Line 1 was primarily above ground?
2. Were there any water table issues to consider when the engineering was done?
3. There was some controvery when Line 1 was beng built, that due to random power blackouts throughout the city, that the metro would either make the problem worse by sucking more power, or be subject to the blackouts, thereby stranding passengers. How has this concern panned out?

Thanks for indulging my curiousity!

Dan
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Old March 31st, 2012, 08:56 PM   #290
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Quote:
Originally Posted by dwdwone View Post
I have a couple of questions.

1. Why did they decide to build this new line completely underground yet Line 1 was primarily above ground?
Is this the case? Wikipedia says:

"The first line of the mass-transit system has sixteen stations; 6 elevated, 10 underground"

Plus:

Source: Wikipedia

Most of the line seems to be underground.
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Old March 31st, 2012, 09:21 PM   #291
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Quote:
Originally Posted by dwdwone View Post
I have a couple of questions.

1. Why did they decide to build this new line completely underground yet Line 1 was primarily above ground?
2. Were there any water table issues to consider when the engineering was done?
3. There was some controvery when Line 1 was beng built, that due to random power blackouts throughout the city, that the metro would either make the problem worse by sucking more power, or be subject to the blackouts, thereby stranding passengers. How has this concern panned out?

Thanks for indulging my curiousity!

Dan
Hi Dan

Line 1 is two thirds underground (9 out of 14.5 kms), so i would'nt say it's primarily above ground. Anyway, the decision was to build it underground on the Distrito Nacional area to reduce impact on private properties and existing infraestructure.


Line 2 is twice as large as Line 1 (30+ kms Vs 14.5 kms) and its construction was planned as a two stage process; Phase 1 is limited inside the boundaries of Distrito Nacional, so once again underground was the way to go. The extensions of Line 2 out of Distrito Nacional area are supossed to be underground too, however that decision seems influenced by the fast growth of greater Santo Domingo area, not because of its current status.

Underground construction was done above the water table. Most of the tunneling work is around 13 meters deep, with just short segments reaching 15 to 18 meters below the surface. One notable exception is a segment of Line 2 where soil saturation required special equipment and tunnel design.

Power blackouts in our country are hardly random events but a way to cut expenses on generation costs. The Metro system is a public entity and the government itself is a partner on several power generation companies, so access to uninterrupted power has been guaranteed since operations started on 2009.

In practice, today the city has more power available than 5 years ago and blackouts are scheduled, so things are better now anyway.

Orad
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Old April 2nd, 2012, 05:22 AM   #292
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This is a very impressive project. I wish we could do something like this in the United States for our southern and western cities.
Dificult to defit the powerfull political lobby formed by chicago and Detroid car maker wicht is deciding the means of transportation USA is using so far. They mantain the price of a car affordable enught till presure the state to keep itsel going on appart from public massive transport politics to force workers to buy cars instead of taking a train to move around the cities.
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Old May 6th, 2012, 03:25 AM   #293
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Old May 6th, 2012, 03:26 AM   #294
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Old May 6th, 2012, 03:26 AM   #295
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Old May 6th, 2012, 03:27 AM   #296
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Old May 6th, 2012, 03:28 AM   #297
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Old May 6th, 2012, 03:28 AM   #298
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Old May 6th, 2012, 03:29 AM   #299
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Old May 9th, 2012, 11:46 PM   #300
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After tree year of intensive use that subway keeps still impecable. The stations looks clean and better organisate today than the day of first operations. In agust is expected the second line wicht is going to increase the use of both lines in more than 250,000 new passangers traveling from four sizes of the city in a agresive campain of expantion that promisse to cover the tree mayor publica carredors of the city.
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