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I somewhat agree with you PSU, but anything new always has its glitches. I know that willow creek pavers seem to have a nice perm. paver. I guess as far as cleaning -- most commercial parking lots are already swept -- I don't think it would cost to much more to change that up. I believe the real use of them is for commercial sites to get around making ugly retention ponds and take up all that land on thier lot. Instead thier infiltrate thier stormwater thru thier pavement. I think the turf stone is ugly and doesn't do it for me.
I guess my concern would be that if you had a clay layer down a two feet in your sub soil -- you would have to remove that as well cause the water would never infiltrate that area and would cause heaving in the winter. I don't know that this would be the case but that would be my guess. I would believe you would need soil cores from the site not just soil test before engineering. Does anyone know this?
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