DC's new Silver Line train: 7months late and $150M over budget

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dawheat

Diamond Member
Sep 14, 2000
3,132
93
91
Road repaving costs $1M/lane mile

I walk by the construction occasionally and wonder how are they handling all the water/gas/steam/etc pipes underneath these 30-40 story buildings? Just keeping the buildings above them stable seems like an insane challenge. Are they basically rerouting all of the infrastructure as they grind their way south?
 

SSSnail

Lifer
Nov 29, 2006
17,461
82
86
After having been to London any developed countries, it's shocking just how bad our metro is by comparison. Obviously the train is a little more important to the Brits, but the difference is still shameful.
FTFY.
 

cabri

Diamond Member
Nov 3, 2012
3,616
1
81
Road repaving costs $1M/lane mile

I walk by the construction occasionally and wonder how are they handling all the water/gas/steam/etc pipes underneath these 30-40 story buildings? Just keeping the buildings above them stable seems like an insane challenge. Are they basically rerouting all of the infrastructure as they grind their way south?

Milling only takes down 4-6 inches of exisiting pavement
If they want to rebuild the road foundation, another foot at the most.

Pipe lines are usually 4-6 feet down.
 

glenn1

Lifer
Sep 6, 2000
25,383
1,013
126
I hate the metro.

Any time I need to go into the city I take the VRE as far as I can and minimize metro use.

No kidding, that's the only civilized way to travel in the capital region. The first shot is what riding the VRE is like, and the second what the Metro Red Line is like.



 

dawheat

Diamond Member
Sep 14, 2000
3,132
93
91
Milling only takes down 4-6 inches of exisiting pavement
If they want to rebuild the road foundation, another foot at the most.

Pipe lines are usually 4-6 feet down.

I'm confused. The 2nd Ave subway is underground and is going to have a pretty large tunnel right? For the subway cars to travel through underneath 2nd Ave.

Are you saying that the subway tunnel is under all the piping so it shouldn't be too impacted by them?
 
Dec 10, 2005
24,434
7,356
136
I'm confused. The 2nd Ave subway is underground and is going to have a pretty large tunnel right? For the subway cars to travel through underneath 2nd Ave.

Are you saying that the subway tunnel is under all the piping so it shouldn't be too impacted by them?

Part of the problem is the poor documentation of NYC's utilities. They have to relocate stuff when they need to cut down from ground level for stations and ventilation. The tunnels themselves are probably well below the level of the utilities.
 

Jimzz

Diamond Member
Oct 23, 2012
4,399
190
106
Should public transit be a profitable enterprise? To only look at revenue and profit is rather myopic, as there are other external benefits.


Not only that but DC/NoVA is rated as a top 3 as worse for traffic. So things like this help out a lot and DC/NoVA is still growing.
 
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