A few years ago the government trialled grass permeable parking in a few places in HK. The all seem to of been successful in terms of simple greening and reducing surface water run off.
A few years ago the government trialled grass permeable parking in a few places in HK. The all seem to of been successful in terms of simple greening and reducing surface water run off.
Last edited by East_coast; 22-08-2020 at 11:39 PM.
Coz the green stuff has nasty bugs in it and what not. Can't have that, concrete is the way to go.
Not cost effective given the maintenance issues.
With proper drainage run-off is not a problem with a traditional low maintenance all-concrete system. In fact, with the grass, if lots of water could seep underneath the concrete pavement loosing it and/or causing cracking.
Can't speak for those who design and plan government housing. Would imagine its focused on low cost build and maintenance. Safety and adequate housing stock is the focus. Astehetics and fancy landscaping is for the private sector to differentiate their product for buyers of what are otherwise cookie cutter sky boxes IMO.
Yes building as much low quality housing as possible and generally lowering the relative living standards seems to be the policy of this government. All your technical concerns are obviously solvable with minimal expense and pouring more concrete for ever more drain-off tunnels is a solution. Reducing drain off and adding greening would be a more humane solution. But you can't question policy anymore.
The maintenance of greenery is more costly and difficult than maintaining concrete. The fact it attracts bugs like mosquitoes contributes to that cost. The weather in HK also makes it difficult, having played on grass pitches before. The heavy rain and then very dry hot weather makes upkeep of grass very difficult.