Millennium Line - Broadway Extension: Planning & Pre-Construction

[officedweller]

I'd rather have a company that has actual experience building the SktyTrain rather than a newbie.

Hopefully it is a twin bore - meaning centre platforms.
That would also mean easy wayfinding in the stations.

[Alex Mackinnon]

Originally Posted by WarrenC12

Government has to pick the cheapest bid, with very few exceptions.

That really depends how they setup the bid. They can weight the scores heavily towards quality, experience and technical merit. It really depends how you want to structure the work and what the priorities are.

[WarrenC12]

Originally Posted by Alex Mackinnon

That really depends how they setup the bid. They can weight the scores heavily towards quality, experience and technical merit. It really depends how you want to structure the work and what the priorities are.

Sure, that's possible, but every public bid I've seen has prioritized cost.

[scryer]

Originally Posted by officedweller

Hopefully it is a twin bore - meaning centre platforms.
That would also mean easy wayfinding in the stations.

Isn't that more expensive? Because I wouldn't hold my breath on centre platforms.

Not that I'm saying I don't want it done right, etc, etc. Just saying that it might not be realistic to expect centre platforms for the underground portion.

[fredinno]

Originally Posted by scryer

Isn't that more expensive? Because I wouldn't hold my breath on centre platforms.

Not that I'm saying I don't want it done right, etc, etc. Just saying that it might not be realistic to expect centre platforms for the underground portion.

No centre platforms on some of the busiest stations on the network?

[Millennium2002]

Twin bores with central platforms don't mean much in my opinion, especially if the platforms themselves remain narrow. The recent upgrades to Broadway, Metrotown, Joyce, Main Street, Surrey Central, etc. are all good examples of how central platforms have limited capacity and restricted expansion potential.

[dpogue]

From the Millenniumm Line Broadway Extension Project: Cost Report (March 2018) document:

A pair of bored tunnels is to be constructed between station structures from the south end of Great Northern Way, and continues to the east face of the Arbutus Station cross-over structure. The estimate assumes two tunnel boring machines will be used to complete the tunnel work. The tunnels include cross passages between the tunnels, and track crossroads east and west of Cambie station.

At station locations, the crossover structures east of Arbutus Station, and the tail track west of Arbutus station, bottom-up construction with temporary traffic decking will be utilized. The structures are all covered with a temporary traffic deck to allow full traffic flow during the day with partially restricted traffic flow at night.

[...]

All station boxes are between 106 and 143 metres long, with 80-metre long platforms, and include a single entry from surface level, except for Cambie Station, which is accessed from the existing Canada Line Broadway station concourse.

[VancouverOfTheFuture]

Originally Posted by Millennium2002

Twin bores with central platforms don't mean much in my opinion, especially if the platforms themselves remain narrow. The recent upgrades to Broadway, Metrotown, Joyce, Main Street, Surrey Central, etc. are all good examples of how central platforms have limited capacity and restricted expansion potential.

they should build all the busiest stations with centre platforms AND side platforms; problem solved.

[Migrant_Coconut]

Thanks, dpogue.

Originally Posted by VancouverOfTheFuture

they should build all the busiest stations with centre platforms AND side platforms; problem solved.

Watch the numbers climb to $4 billion and 2030. For now, we just need a big centre platform and a lot more escalators than usual.

[ilikeredheads]

All station boxes are between 106 and 143 metres long, with 80-metre long platforms, and include a single entry from surface level, except for Cambie Station, which is accessed from the existing Canada Line Broadway station concourse.

Wait a minute, this make it sounds like there won't be a second entrance at Brdway/CityHall, which will be highly stupid if true.

[scottN]

Originally Posted by VancouverOfTheFuture

SFUVancouver is right. but Aroundtheworld is what i am hoping is happens. there must be a company from Western Canada that could do it; screw Quebec.

SNC-Lavalin's rapid transit engineering team is located in downtown Vancouver. They are the local bidder.

[Metro-One]

Originally Posted by ilikeredheads

Wait a minute, this make it sounds like there won't be a second entrance at Brdway/CityHall, which will be highly stupid if true.

Yeah, I saw this a while ago. It is concerning, was at least hoping for a northwest entrance for Broadway & Commercial (seems insane to have a single entrance for a major hub, especially one with so few fare gates...) Thought we learned our lesson with the Canada Line??

Also was hoping for a direct underground access to the hospital (which was being floated around). Another potential major missed opportunity.

Looking to be another bare bones transit project for urban connectivity.

[VancouverOfTheFuture]

Originally Posted by Migrant_Coconut

Watch the numbers climb to $4 billion and 2030. For now, we just need a big centre platform and a lot more escalators than usual.

Lets just hope the need for it doesn't arise because it is a lot harder to add new platforms underground after the fact. but you are right, i doubt it would ever happen. i would like 100m platforms though.

Originally Posted by ilikeredheads

Wait a minute, this make it sounds like there won't be a second entrance at Brdway/CityHall, which will be highly stupid if true.

Originally Posted by Metro-One

Yeah, I saw this a while ago. It is concerning, was at least hoping for a northwest entrance for Broadway & Commercial (seems insane to have a single entrance for a major hub, especially one with so few fare gates...) Thought we learned our lesson with the Canada Line??

Also was hoping for a direct underground access to the hospital (which was being floated around). Another potential major missed opportunity.

keep in mind the document is 1y old and things do change and can change with these projects. i would be super super super surprised if the Canada-Line entrance was the only one for both of those stations. Remember, Crossroads still has the station provisions in the basement.

PLUS, the CoV does own the property on the North East corner of Broadway & Cambie. (where the Pattison billboard is). not to mention the entire South East corner from Cambie to Yukon to W 10th.

Originally Posted by scottN

SNC-Lavalin's rapid transit engineering team is located in downtown Vancouver. They are the local bidder.

not at all. SNC has offices in about 50 countries. that doesn't make them any less of a Quebec company. Microsoft has offices here; they aren't a Vancouver company.

[fredinno]

Originally Posted by VancouverOfTheFuture

Lets just hope the need for it doesn't arise because it is a lot harder to add new platforms underground after the fact. but you are right, i doubt it would ever happen. i would like 100m platforms though.

The trains on the Millennium can't go 100m in length, it's a waste to go that far.

[jollyburger]

What does this mean?

The tunnels include cross passages between the tunnels, and track crossroads east and west of Cambie station.

[aberdeen5698]

Originally Posted by jollyburger

What does this mean?

"Cross Passages" means that there will be doors that allow access from one tunnel to another - this is important if a train has to be evacuated due to a fire, for example.

"Track crossroads" means a pair of switches that allow trains to switch over from one track to the other. This is important if there's some operational reason why trains have to terminate at Cambie street - for example if there's a "medical emergency" that precludes trains from accessing one of the stations. It means that trains can "turn around" (really: reverse direction into the other tunnel) at Cambie street from either direction.

[jollyburger]

The produce store next to the City Hall Canada Line Dyson is closed now.

[Feathered Friend]

We rarely say this, but we can't recommend this event to anyone in Vancouver. Those handing out these notices on Saturday seem very uniformed, claiming that Councillor Fry's motion to stop speculation on W Broadway was actually a plot to upzone Kitsilano & ignore community feedback.

Given that level of disinformation, we have trouble believing these “experts” will be able to provide the same level of unbiased & quality information we expect from those at official @CityofVancouver events. You can read the actual motion at this link :

https://council.vancouver.ca/20190227/documents/pspc8.pdf

https://twitter.com/City_Duo/status/1102351295652872192

[Migrant_Coconut]

Gee, Thursday and Friday are gonna be fun...

[SpongeG]

rich people sure know hot to whine.