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Go Back   SkyscraperPage Forum > Regional Sections > Canada > Alberta & British Columbia > SSP: Local Vancouver > Transportation & Infrastructure

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  #1  
Old Posted: Dec 5, 2007, 8:00 PM
officedweller officedweller is offline
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Coast Meridian Overpass | Completed

From the Coquitlam Now - I didn't know it was a cable-stayed span - should look good if it gets built.

PoCo cable bridge $33 million over estimate

Simone Blais, Coquitlam NOW
Published: Wednesday, December 05, 2007

A cable bridge over the CN Rail yard to Coast Meridian Road -- pegged as the solution to Port Coquitlam's transportation woes -- is now $33.3 million over cost projections made just one year ago.

Coun. Michael Wright said Monday he wasn't "hugely surprised" to see that the cost of the $98.7-million overpass project had risen to $132 million, given how many infrastructure projects have come in over budget and initial estimates throughout Metro Vancouver.

"We know that the construction climate at the moment is extremely busy. We know the materials and labour have both increased," he said, adding that some people have wondered whether it would be better to hold off on the project until after the 2010 Olympics -- thought to be fuelling the Greater Vancouver boom.



Design concept for the cable bridge over the CN Rail yard to Coast Meridian Road.
Photo submitted

It's not a good time to build, but then I can't see that any time in the future will be any better," he said.

The city announced Friday that SNC-Lavalin Constructors (Pacific) Inc. submitted the preferred bid after a request-for-proposals process.

The $132-million cost of the four-lane overpass includes construction, land acquisitions, CP Rail access, utility relocation, engineering, legal services and contingencies.

The city noted in its announcement that the design-build contract will fix the price of construction, including inflation and, therefore, it doesn't anticipate changes to the $132-million figure.

TransLink has already pledged $60 million to the project, about 45 per cent of the total cost.

The city is picking up the remainder with other grants ($5 million), land sale reserves ($21.2 million), other reserves ($9 million), major transportation reserves ($3.4 million) and fees from developers ($27.2 million) -- but that still leaves the city $6.2 million short.

Wright said one option for covering the shortfall is going into debt -- a paradigm shift for the city, which has prided itself on being debt-free for many years.

"We've not had external debt for a long time, a number of years," he said. "We do borrow money, we borrow it from ourselves and then pay it back to ourselves.

"But this is going outside, it's a big step. I'm sure there will be people who will not be in favour of the city going out to borrow money on the public market."

Coun. Greg Moore said Monday that he views borrowing money for the overpass much like a homeowner would view a mortgage.

"You don't save up enough money to buy the entire house," he said. "This is a major purchase for the city.

"If we were going to borrow money to upgrade a couple of roads, then I would be totally against it. But this is probably the biggest project we'll see in my lifetime."

Choosing the preferred bid hinges not only on cost, but the design of the structure.

A cable-stayed bridge system has been chosen for the overpass, which engineering director Igor Zahynacz said Monday would be easy on the city's pocketbook, but also on the eyes.

"It's very much similar to the Alex Fraser Bridge, where there are towers that support cables," he said, adding that the overpass would also be similar to the Lions Gate Bridge.

"There's the towers that support cables. The theory there is the cables give additional support to the bridge deck, and the bridge deck then doesn't have to be such a deep structure because it can be lighter weight."

If the bridge deck is shallower, Zahynacz said, less concrete and steel would be required -- and they are expensive commodities during the construction boom.

"It has a little bit more esthetic, because it's not a deep steel structure," he added.

Whether or not residents prefer the design and costs, however, will be more accurately gauged during Thursday's meeting.

More information about the design-build contractor and process will be provided at the public meeting, set for 7 p.m. in the gymnasium of the Hyde Creek Recreation Centre, at 1379 Laurier Ave. Information about the project design will be offered, and a question-and-answer period will follow.

Moore said he's looking forward to hearing the different reactions from PoCo residents.

"We need to deal with the traffic related to other communities and the growth around us. We have to get 25,000 people off of Burke Mountain, then how are they going to get off that hill? Somebody has to come up with that alternative, which is better and cheaper than the Coast Meridian overpass," he said. "We've done our studies, and believe this is the best solution for us.

"I hope people come out with their concerns and ideas (on Thursday), and some people say that they're in favour of this, that (we) do have the mandate to go forward on this."

© Coquitlam Now 2007
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  #2  
Old Posted: Dec 5, 2007, 8:57 PM
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Yeah, at $132 million it's almost in the same league cost-wise as the nearby Pitt River Bridge - Mary Hill Bypass/Lougheed Hwy interchange project.

In fact, Coast Meridian overpass traffic will feed into the Mary Hill Bypass, which in turn, is slated for widening and interchange upgrades as part of the North Fraser Perimeter Road project.



http://www.city.port-coquitlam.bc.ca...ss_Project.htm
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  #3  
Old Posted: Dec 5, 2007, 10:33 PM
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not bad

its really going to mess up that neighbourhood at the end though
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  #4  
Old Posted: Dec 7, 2007, 9:09 AM
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awesome!
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  #5  
Old Posted: Dec 8, 2007, 3:46 PM
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that's pretty cool. first time i've heard of it being cable-stayed.
this project is so desperately needed in this city, i can't wait for its completion
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  #6  
Old Posted: Dec 10, 2007, 4:03 PM
twoNeurons twoNeurons is offline
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it's interesting how, due to materials prices, it's cheaper to build it cable-stayed.
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  #7  
Old Posted: Sep 24, 2008, 5:42 AM
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Just a little up-date on this project. A pdf of the Sept 8th open house. Construction has began and some base pillar structures are already in place within the train yard.

http://www.city.port-coquitlam.bc.ca...panels6049.pdf
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  #8  
Old Posted: Sep 24, 2008, 6:18 AM
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ah yes i was quite surpriseed when i was last in the area - in julyish and there was quite a lot going on
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  #9  
Old Posted: Sep 24, 2008, 7:27 AM
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how many cable stay bridge's does this region need?
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  #10  
Old Posted: Sep 24, 2008, 7:50 AM
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One interesting tidbit that was in the .pdf file that has not been posted anywhere else is that the Mary Hill Bypass section of the NFPR will be upgraded to freeflow with 3 new interchanges:

Quote:
New interchanges on Mary Hill ByPass at Kingsway, Broadway and Pitt River Road
What about Shaughnessy?
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  #11  
Old Posted: Sep 24, 2008, 5:22 PM
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Thanks for the info!

The "push-launch" method is the same technique they used on that Foster bridge in France - Millau Viaduct (?) - which also used a "needle tower" cable stayed design.
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  #12  
Old Posted: Sep 24, 2008, 7:23 PM
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Quote:
Originally Posted by officedweller View Post

The "push-launch" method is the same technique they used on that Foster bridge in France - Millau Viaduct (?) - which also used a "needle tower" cable stayed design.
Yeah, I also noticed that and it was the Millau Viaduct, which utilized "push-launch" construction.

For the life of me, I still can't understand this pic of the Millau Viaduct, during construction, which seems to defy the laws of physics.

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  #13  
Old Posted: Sep 24, 2008, 8:00 PM
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Thanks what will happen in PoCo too. The deck and tower tops are one unit and are being pushed across the supports below (tower bases plus some additional steel supports) as the deck and tower tops are assembled on one end of the bridge. Once the full length is attained and pushed into place the tower tops will line up with their corresponding bases and be secured.

You can see the additional supports in this pic, presumably so the deck/tower structure isn't supporting itself from its weakest points. The additional supports are removed after construction.

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  #14  
Old Posted: Sep 24, 2008, 8:11 PM
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The pic isn't showing. The tension must be incredible when the tower isn't directly above the pylon. Amazing stuff.
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  #15  
Old Posted: Sep 24, 2008, 10:39 PM
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sweet to hear this is underway, thanks fo the update!
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  #16  
Old Posted: Sep 24, 2008, 11:21 PM
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sweeetness...how much will it cost?
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  #17  
Old Posted: Sep 25, 2008, 12:14 AM
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My first post

This is my first post,
I've been reading you guys talking for years, but never had a real email address (or anything to add) but now I have one so I could get an account.

Here is a rendering of the overpass from the design page



http://www.city.port-coquitlam.bc.ca...ect_Design.htm
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  #18  
Old Posted: Sep 25, 2008, 12:33 AM
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Wow, well great fist post... thanks!
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  #19  
Old Posted: Sep 25, 2008, 1:27 AM
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Quote:
Originally Posted by mr.x2 View Post
sweeetness...how much will it cost?
Look at the original post.


also, you guys might be interested in this:

http://www.city.port-coquitlam.bc.ca...Design5640.pdf


BTW, the project is supposed to be completed by January 2010.
source: http://tsedb.globeinvestor.com/servl...cnw&slug=C9759
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Last edited by Jared; Sep 25, 2008 at 1:49 AM.
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Old Posted: Sep 25, 2008, 3:38 AM
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the thread title of this should be changed to U/C
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