Quote:
Originally Posted by libtard
I haven’t seen any type of retaining wall being built yet. Just mounds of sand. Do they plan on constructing something like this?
Or do they plan on going the value engineering route and continue to use the rock cage retaining walls  
BC MoT’s motto should be “squeeze every penny”
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Look harder, there are a few permanent walls on the project, and yes, some are wire faced. I find it laughable that any road user somehow requires a concrete panel faced wall in order to experience a pleasant journey, when structurally, a wire wall works up to about 10 m high. The cost of that aesthetic feature is not immaterial.
As for the comments around preload/piling/structures, with unlimited money you could build anything. Technology is far from the limitation.
It's the old saying.
Good
Cheap
Fast
Pick two.
jhausner has the right of it. The budgets are set by politicians and contractors provide solutions that meet those budgets. Even if there were political will, I doubt anyone would have the appetite to fund infrastructure that last more than 100 years, as collective taxes would be so high nobody could afford to use those assets with anything other than their shoes.
72nd Street was somewhat unique in that the project was basically a just a structure. It wasn't effective in terms of the timing to preload, although, for smaller areas, a structure does generally make sense.
I'd rather have a MOTI that squeezes every penny, rather than one that recklessly spends on lavish solutions that aren't needed and will still succumb to the forces of time and nature anyway.