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  #741  
Old Posted Jan 14, 2014, 12:18 AM
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January 7, 2014: Construction during the winter months

What happens to Light Rail Transit (LRT) construction during the winter months?

What will construction activities look like in each of the three segments – Central, East and West – along the construction corridor?

Central Segment

Tunnel construction in the Central Segment (downtown) is currently ongoing with more than 100 metres mined to date at the West Portal, East Portal and central shaft.

Jawbreaker and Crocodile Rouge will resume tunneling at the west and east portals this week. Once the gantry crane currently being assembled at the West Portal is installed at the central shaft, tunneling work will commence there with Chewrocka, the third roadheader.

Slowdown of highway works during winter:

On Highway 417, a number of construction activities have been completed in preparation of winter slowdown, including relocation of barrels, paving and line painting. Once overhead sign work is completed in the New Year, the construction zone limit will be reduced to the area between the Split and Lees Ave throughout the winter months.

Activities such as overhead sign work, sewer and boring operations will resume in the first few days of January and continue in 2014. Speed signs will also revert to 80 km/hour on OR 174 for the safety of travelers and workers.

In the New Year:

In the New Year, all three roadheaders – Jawbreaker, Chewrocka and Crocodile Rouge – will be hard at work mining the 2.5 kilometre underground tunnel.

Prior to the start of spring construction on Highway 417, all signage will be reinstated and the construction zone will return to its pre-winter zone from Walkley Rd. to just past Bayswater Ave., and on OR 174, from Montreal Rd. to the Split.

Stay on-track with us for more information on what, when and where we are building.

http://www.ottawalightrail.ca/en

Last edited by rocketphish; Jan 14, 2014 at 12:19 AM. Reason: .
     
     
  #742  
Old Posted Jan 17, 2014, 8:14 PM
capital_urbanite capital_urbanite is offline
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New progress page on ottawalightrail.ca

They've added a new tunneling progress page with a map of the current (we'll see how often this is updated) roadheader locations.

http://www.ottawalightrail.ca/en/the-build/downtown-tunnel/roadheaders/

     
     
  #743  
Old Posted Jan 18, 2014, 4:09 AM
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Discovery of bones under Queen Street sent city and rail contractor into panic

Plan for dealing with archeological surprises was never done, city discovered too late

By David Reevely, OTTAWA CITIZEN January 17, 2014 8:00 PM




OTTAWA — The discovery of human bones under Queen Street in an excavation related to the light-rail project sent senior city officials into a tizzy, partly because the city’s rail contractor hadn’t come up with a plan it was supposed to have devised for dealing with such surprises.

It was the first serious problem the city and its contractor, the Rideau Transit Group, encountered in a contract worth more than $2.1 billion. Hundreds of pages of internal emails released to the Citizen under access-to-information legislation show how poorly prepared the city government and RTG were for it and how badly they worked together when it happened.

The bones found Sept. 19 just east of Metcalfe Street were the first of numerous remains uncovered from an early Bytown cemetery for Rideau Canal workers and their families, people left behind when the graveyard was moved in the 19th century.

At first, though, it wasn’t even certain they were bones, let alone human ones. Everyone knew the basics — stop work, protect the site, call the police to send a pathologist — but the hours and days afterward saw top managers begging each other for updates and relying on news stories to find out what was happening with their own project.

By the evening of the day the bones were found, both the Citizen and the CBC had confirmed with the police that they were human remains. Neither RTG nor the city’s rail office knew anything about it.

“Can you provide a status of where this issue sits?” wrote the city’s Dennis Gratton, its manager of rail planning, to RTG’s manager of environmental and sustainability matters Ryan Legere, late on the 19th. If the bones are actually human, we’ll have to follow some strict rules, he said in a message copied to a number of senior people in both organizations.

Legere didn’t know anything about that: “I just spoke with our site representative and he had not heard anything,” he wrote.

Maybe we should call the police’s media-relations department? suggested RTG’s communications manager Kathryn Keyes. They did that the next day and found that yes, they were dealing with human bones.

And then they realized they didn’t know just exactly what that meant they had to do. For instance, everybody knew the site needed guarding but the city and RTG each thought the other was responsible for it.

This sort of thing went on for days — “Have you heard from Ryan today?” “We have had no response from RTG.” “Have you received a status report yet from RTG?” “Nope.” — culminating in a letter from the city’s rail boss, Gary Craig, pointing out that the whole thing would have gone better if they’d had a plan of some sort for dealing with unexpected finds, the way they were supposed to.

“[W]e believe the protocols for dealing with such an event would have been more clearly understood by both parties had the Archeology Risk Management Plan ... been prepared and submitted,” Craig wrote in a formal letter to RTG on Sept. 23, days after realizing the plan was overdue. “We insist that this document is prepared and submitted to the City for review without delay.”

That plan isn’t included in the documents but it is clear the city employees who had to deal with it by early October were not happy with it.

“The lack of detail and process of this submission is completely inappropriate given the experience we just went through,” wrote Gratton, the rail planning manager. “I suggest we send our collective comments to [Legere] and have him revise the document before we meet — if required. He has to learn to be more thorough.”

Engineering consultant Kim Eaton agreed: “I do think that a constructive discussion of ‘what went well and what did not’, may be a way to make it obvious to Ryan the types of changes that are needed (in addition to our comments of course).”

Throughout, the city’s people struggled with what to tell city council and the public, realizing frequently that they weren’t sure about the things they thought they knew. Is the examination forensic or archeological? When they say they want to dig up the road eight metres from the original find, is that a radius or a diameter? (A trench in one direction, it turned out.) Agonizing email exchanges show senior officials cutting memos and “key messages” documents down, removing things they suddenly realized weren’t sure were right.

Craig and his boss, deputy city manager Nancy Schepers, had to wade in when Mayor Jim Watson asked on Oct. 4 what was going on, sending underlings polishing and re-polishing four bullet points for hours.

After weeks of work, archeologists found evidence of 16 people left buried under Queen Street. They were re-buried and will stay there until at least the spring, when they’ll be moved to a new cemetery and the water-main project can finish. The city and RTG have four more years of construction to get through together.

[email protected]

ottawacitizen.com/greaterottawa

© Copyright (c) The Ottawa Citizen

http://www.ottawacitizen.com/technology/...+city+rail+contractor/9401588/story.html
     
     
  #744  
Old Posted Jan 18, 2014, 5:05 AM
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And when human remains were found at the same location in 1962:

http://news.google.com/newspapers?nid=21...AAAAIBAJ&sjid=MuYFAAAAIBAJ&pg=2917,88085

A story about the old Cobourg Street Cemetery

http://news.google.com/newspapers?nid=21...AAAIBAJ&sjid=jtoFAAAAIBAJ&pg=1100,169613
     
     
  #745  
Old Posted Jan 18, 2014, 10:23 AM
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I think I read somewhere that the City is responsible for costs due to delays for dealing with human remains. I wonder if RTG will bear a lot of that cost now, because some of their delays were from RTG not developing the guidance document they were supposed to.
     
     
  #746  
Old Posted Jan 18, 2014, 3:33 PM
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I wonder if this delayed anything, Chewrocka is 2.5 blocks away and still has to dig out the Parliament station (unless the stations are dug out later).
     
     
  #747  
Old Posted Jan 18, 2014, 5:47 PM
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Quote:
Originally Posted by capital_urbanite View Post
They've added a new tunneling progress page with a map of the current (we'll see how often this is updated) roadheader locations.

http://www.ottawalightrail.ca/en/the-build/downtown-tunnel/roadheaders/

Love how they show Chewroka at Bank Street for some reason.
     
     
  #748  
Old Posted Jan 18, 2014, 5:52 PM
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Originally Posted by acottawa View Post
I wonder if this delayed anything, Chewrocka is 2.5 blocks away and still has to dig out the Parliament station (unless the stations are dug out later).
I believe they will complete the full 2.5 km tunnel before mining out the stations. In either case, I don't see the old cemetery causing any sort of delays to the tunnel project, except maybe if they build ventilation shafts between Metcalfe and the canal (subject to another archeological dig when they get there I suspect).
     
     
  #749  
Old Posted Jan 19, 2014, 2:01 AM
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The map provided above clearly shows the start point for the east and west portals, but not the start point, or progress achieved, by the central start point.

Assuming Chewrocka heads east towards Rideau, Jawbreaker will meet Chewrocka's start point before Crocodile Rouge and Chewrocka meet up. ??

I assume then that Jawbreaker will work the Lyon station once it arrives? Perhaps even more on to Parliament, allowing Crocodile Rouge and Chewrocka to continue tunneling until they meet up. ??
     
     
  #750  
Old Posted Jan 19, 2014, 2:37 PM
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Quote:
Originally Posted by NOWINYOW View Post
The map provided above clearly shows the start point for the east and west portals, but not the start point, or progress achieved, by the central start point.

Assuming Chewrocka heads east towards Rideau, Jawbreaker will meet Chewrocka's start point before Crocodile Rouge and Chewrocka meet up. ??

I assume then that Jawbreaker will work the Lyon station once it arrives? Perhaps even more on to Parliament, allowing Crocodile Rouge and Chewrocka to continue tunneling until they meet up. ??
Central point is the former parking lot at Kent and Queen across from the CD Howe building. They spent much of the week installing a wooden structure (I would assume to keep winter out of their hole). I'm not sure if the machine has actually started yet.
     
     
  #751  
Old Posted Jan 19, 2014, 2:55 PM
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I have to ask, when the rail line gets extended west will Scot Street get covered in Bus Lanes?
     
     
  #752  
Old Posted Jan 19, 2014, 4:14 PM
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I have to ask, when the rail line gets extended west will Scot Street get covered in Bus Lanes?
I was wondering that. If the transitway is blocked because the LRT ends at Tunney's, what'll happen to the buses and people coming from the West end on those buses? They'll probably end up on Scott Street long-term, right?
     
     
  #753  
Old Posted Jan 19, 2014, 4:40 PM
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I have to ask, when the rail line gets extended west will Scot Street get covered in Bus Lanes?
That's the plan for 2015-2018 but opposition might (not likely) force a revisit. Some people would rather see the Parkway used, which could work for express lines IMO, provided they build the new bus station next to Tunney's station before conversion starts.

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I was wondering that. If the transitway is blocked because the LRT ends at Tunney's, what'll happen to the buses and people coming from the West end on those buses? They'll probably end up on Scott Street long-term, right?
As I mentioned above, they will use Scott between 2015 and 2018 until the line opens, then buses will terminate at Tunney's via a bus area directly north of the ORT station. When the line is extended west to Baseline, they will likely again use Scott for another 3 years (so maybe 6 years straight) but once it is completed, Scott will likely go back to something close to pre-Confederation line service.
     
     
  #754  
Old Posted Jan 19, 2014, 5:10 PM
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Except Gatineau-bound buses from the West End are likely to continue to use Scott, at least until the Phase-2 extension (so commuters don't have to transfer to a train at Tunney's and then transfer again to another bus two stops later at Pimisi-EelTownStation). Night buses will also likely use Scott indefinitely; last time I checked, the City couldn't confirm what the LRT's operating hours will be, but there will definitely be a handful of 95s and 97s running in the early mornings on Scott, as well.
     
     
  #755  
Old Posted Jan 20, 2014, 3:15 AM
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I wonder if this delayed anything, Chewrocka is 2.5 blocks away and still has to dig out the Parliament station (unless the stations are dug out later).
It's not like the tunneling machines are, or will be, chewing through the overburden.
     
     
  #756  
Old Posted Jan 20, 2014, 5:26 AM
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It's not like the tunneling machines are, or will be, chewing through the overburden.
If they weren't, TBMs would have likely been the more economical choice I would think. Three stations, three headers, three entry points. Of course, purely conjecture. But if you have machines that are perfectly good at digging out larger structures, why wouldn't you use them?
     
     
  #757  
Old Posted Jan 20, 2014, 12:37 PM
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but once it is completed, Scott will likely go back to something close to pre-Confederation line service.
Well then I hope they deck over the train lines or something. Scott St. is just depressing.
     
     
  #758  
Old Posted Jan 20, 2014, 11:28 PM
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If they weren't, TBMs would have likely been the more economical choice I would think. Three stations, three headers, three entry points. Of course, purely conjecture. But if you have machines that are perfectly good at digging out larger structures, why wouldn't you use them?
Bigger machines are probably more costly to transport (heavier, need more space, maybe more pieces to take apart and put back together), use more fuel when operating, and possibly rarer. If tunneling is not the rate limiting step, why spend more on bigger faster machines?
     
     
  #759  
Old Posted Jan 22, 2014, 3:40 PM
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Well then I hope they deck over the train lines or something. Scott St. is just depressing.
Hopefully in the next 20 years or so, it will make sense to sell the air rights over the trench(s).
     
     
  #760  
Old Posted Jan 22, 2014, 5:18 PM
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I don't think it would ever make sense: the vibrations would be big issue, and there would not be sufficient demand for market-based housing above the line at a price that would make the challenging construction worthwhile. Office use might make more sense, but 20 years from now, there will still be acres of undeveloped land at Lebreton, Bayview, City Centre, and Tunney's that would be easier and cheaper to build for commercial space (assuming significant increased demand for new office space). The best case is to cap sections of it for public space / linear park, and MUPs; but the consensus from the City and CDP consultants was that that would be too expensive, even accounting for any operating savings from making that section of subway "indoors."
     
     
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