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Metrolinx: Finch West LRT

crs1026

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^It would be interesting to see a cost comparison of burying the wires and building a surface LRT versus surface construction in the median of Finch versus tunnelled construction versus cut and cover in the Hydro corridor.

I have a feeling that this particular hydro corridor is simply too critical, and has too many circuits, to be buryable. Just my gut feeling. But as we consider needs for cross-city transit, particularly express type lines - not to mention the Missing Link - it's pretty important to ask whether there is a scenario where use of the Hydro corridors becomes possible.

- Paul
 

junctionist

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I have a feeling that any hydro corridor can be buried with the right engineering. If you want to do a cost analysis, consider the development potential of the corridor too. Bury the wires, build a street with the LRT on it, and allow for mixed-use construction along the street for a new focal point for the neighbourhood. The wires will be in a waterproof underground tunnel and will always be accessible with access shafts.
 
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smallspy

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I have a feeling that any hydro corridor can be buried with the right engineering. If you want to do a cost analysis, consider the development potential of the corridor too. Bury the wires, build a street with the LRT on it, and allow for mixed-use construction along the street for a new focal point for the neighbourhood. The wires will be in a waterproof underground tunnel and will always be accessible with access shafts.
It has little to do with engineering, and everything to do with cost versus benefit. The technology already exists.

In fact, Toronto Hydro has buried sections of existing medium- and high-voltage corridors when the time came for renewal, as it made sense to them to do so.

Dan
 

sseguin613

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Toronto’s Finch West LRT with Wade O’Leary, project Vice President - August 2021
In this video conversation with Wade O'Leary, Vice President of the Finch West LRT project, we discuss this important transit infrastructure project, that will connect people quicker than ever before in this heavy transit corridor, the line, the trains, and some of the unique design features of the line.

 

jamincan

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Almost all of Hydro One's buried high voltage lines are 115kV, but I do know they have a dual 230kV circuit buried a short distance between Queen where it passes under the Obico Subd and the Horner Transformer Station on Kipling, so burying 230kV isn't entirely unprecedented for Hydro One. Burying six 230kV circuits, on the other hand, is a much more expensive undertaking.
 

Tristen

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Is finch west lrt extended until the new go station near woodbine racetrack or it will continue to Pearson airport?
 

TRONto

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Is finch west lrt extended until the new go station near woodbine racetrack or it will continue to Pearson airport?
There is no approved extension at this time. A preliminary study has not even been started.

The closest we have is nephew Ford's request for the city to look into an extension to the Woodbine GO
 

SaugeenJunction

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What kind of concerns can there be when trails, playing fields, bus terminal, and parking are already under the wires?
A big issue is that the lines (wires) themselves need to be replaced every 25ish years. Hydro has to drop them to do it, and having major transit infrastructure under them makes it hard.
 

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