East River Tunnel Sandy Rehabilitation

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Frank
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East River Tunnel Sandy Rehabilitation

Post by Frank » Thu Feb 19, 2015 3:28 am

Is there any work scheduled on one of the East River tunnels this year? I know that work is supposed to start soon and one or two of the tunnels has to be closed for rehabilitation.
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jlr3266
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Re: East River Tunnel question

Post by jlr3266 » Thu Feb 26, 2015 11:44 am

Yes, Amtrak has been actively working in the tunnels on nights and weekends to bring them up to a state of good repair. They also plan on post-Sandy repairs and "hardening" work in the near future.

jcpatten
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Re: East River Tunnel question

Post by jcpatten » Thu Feb 26, 2015 6:33 pm

Interesting article on fighting icicles in the tunnels:
http://www.nytimes.com/2015/02/26/nyreg ... .html?_r=0

It talks mostly about the North River tunnels, but mentions (and I think may include photos from) the East River tunnels.

Jeff Smith
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Re: East River Tunnel Sandy Rehabilitation

Post by Jeff Smith » Tue Jan 08, 2019 12:39 am

https://ny.curbed.com/2019/1/7/18172444 ... lans-study" onclick="window.open(this.href);return false;
Amtrak mulling Cuomo’s alternative L train plan for its own tunnel repairs

After Governor Andrew Cuomo abruptly announced plans to call off the 15-month L train shutdown, opting for a different method of repairing the Hurricane Sandy-damaged Canarsie Tunnel, officials at Amtrak are considering a similar approach to conduct repairs on damaged tunnels between Manhattan and Queens.

According to the New York Daily News, engineers for Amtrak is studying Cuomo’s plan, which involves a different way of repairing the cables that would keep the tunnel’s capabilities intact, before determining if the method could work for its own purposes, but have so far called the idea a “common-sense solution” and one that would create a more tolerable experience for passengers.

“It’s is important for us to do a thorough vetting so that we can determine now at this stage whether it’s a methodology that we could use,” Amtrak chairman Anthony Coscia told the Daily News.

Amtrak has plans to demolish the inside of two East River tunnels, both damaged by Hurricane Sandy in 2012, down and rebuild them in a fashion that is similar to what was originally planned for the L train line.
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east point
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Re: East River Tunnel Sandy Rehabilitation

Post by east point » Tue Jan 08, 2019 1:56 pm

The big difference from the "L" 2 tunnel bores and North river 2 tunnel bores is that the East river bores are 4 bores so shutting one East river bore at a time will have a minimum disruption for LIRR rush hour traffic. There is a real penalty closing a tunnel to traffic, moving in equipment for restoration ( where is equipment stored? ), then removing equipment and debris , testing track and signals that they still work, then reopening bore for rail traffic. Then next time repeat. That means more funds and longer time to complete each bore.

jamesinclair
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Re: East River Tunnel Sandy Rehabilitation

Post by jamesinclair » Tue Jan 08, 2019 5:59 pm

What exactly has Amtrak been doing for the last 4 years when theyve had one tunnel shut all weekend, every weekend?

Cuomos L train idea is intended to prevent a total closure and only rely on weekend closures.

WhartonAndNorthern
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Re: East River Tunnel Sandy Rehabilitation

Post by WhartonAndNorthern » Tue Jan 08, 2019 11:45 pm

jamesinclair wrote:What exactly has Amtrak been doing for the last 4 years when theyve had one tunnel shut all weekend, every weekend?
To borrow a phrase from M*A*S*H, most likely "meatball surgery."

Jeff Smith
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Re: East River Tunnel Sandy Rehabilitation

Post by Jeff Smith » Wed Jan 09, 2019 12:41 am

^^^well said.
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JamesRR
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Re: East River Tunnel Sandy Rehabilitation

Post by JamesRR » Wed Jan 09, 2019 2:32 pm

The North River tunnels are beyond "band-aiding." They will require rebuilds considering their condition - even pre-Sandy there weren't in great shape.
The proposal is considering the non-bench wall approach for ER tunnels, but keeping bench walls in NR tunnels, from what I recently read about Amtrak's consideration.

Backshophoss
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Re: East River Tunnel Sandy Rehabilitation

Post by Backshophoss » Wed Jan 09, 2019 10:05 pm

Amtrak's North(Hudson)River tubes need to be DEMO'ed interior wise and rebuilt.like the L tunnels under the East River need to be done.
IF and WHEN the Gateway goes online,each of the ex-PRR tubes is shut down,everything DEMO'ed and removed to the cast iron outer shell
and rebuilt with new materials from scratch.
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jamestrains1
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Re: East River Tunnel Sandy Rehabilitation

Post by jamestrains1 » Thu Jan 10, 2019 8:31 pm

Backshophoss wrote:Amtrak's North(Hudson)River tubes need to be DEMO'ed interior wise and rebuilt.like the L tunnels under the East River need to be done.
IF and WHEN the Gateway goes online,each of the ex-PRR tubes is shut down,everything DEMO'ed and removed to the cast iron outer shell
and rebuilt with new materials from scratch.
The image below from the Hudson Tunnel Project DEIS contains cross section images of the existing and proposed North River Tunnels. This design may or may not apply to what was being planned from the rehabilitation of the damaged East River Tunnels.
HUDSON TUNNEL PROJECT
Draft Environmental Impact Statement and Draft Section 4(f) Evaluation
Chapter 2: Project Alternatives and Description of the Preferred Alternative

http://www.hudsontunnelproject.com/docu ... native.pdf
see pdf pg. 41
EXIST-NRT.PNG
PROPOSED_NRT.PNG
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