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Public washrooms are needed, but unfortunately the bad behavior of some makes it harder and more expensive to keep them up. It also has discouraged many private businesses from keeping their washrooms open to the public.
 
This is puzzling.

Why would the city put asphalt around the base of the trees in front of Beaver Hills Park - (this isn't new work, but with the work on the park it would have been nice to rectify this). Or am I missing?

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Aerated mix with a post-pour chemical percolation lets water seep through. It seems to be gaining popularity as a replacement for various mulches that can be abused by the public.

Hope so! The example I posted above in Beaver Hills Park is poured right against the tree base - is that going to impact tree growth? In doing a quick search on permeable concrete, it notes that "It is durable but may not perform as well in harsh freeze-thaw environments."
 
^ No, permeable concrete has no structural oomph (technical term)... it will crumble away as the tree trunk expands. Quite true about not standing up to freeze-thaw cycles; but, in this case, the break-up of freeze thaw will just make it more permeable. It will be interesting to see if it breaks up in big chunks or ends up more like gravel (preferred).
 
It would be nice to see a strong pedestrian path developed from this park, leading across the street to the alley-facing (centre left of 'O's photo) connecting to the Warehouse park a block away. A little bit of Alley Magic would go a long way to congealing a park-like atmosphere through the heart of downtown.
 
^ No, permeable concrete has no structural oomph (technical term)... it will crumble away as the tree trunk expands. Quite true about not standing up to freeze-thaw cycles; but, in this case, the break-up of freeze thaw will just make it more permeable. It will be interesting to see if it breaks up in big chunks or ends up more like gravel (preferred).
My concern is that it wouldn't take much for friction between the bark and the concrete to cause enough damage to "ring" that tree trunk and kill the tree. At a minimum, I would have thought a half or even a quarter inch of expansion joint material like that used around fire hydrants when they're installed correctly in sidewalks would have been used here around the tree trunk and the concrete poured to that.
 

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