https://www.psu.edu/news/research/story/native-bee-populations-can-bounce-back-after-honey-bees-move-out

With a 12ft width, that’s about 15-18” subbase, which is overkill. Wondering if that $3k includes installation.

Turf is barely previous

There’s some pervious asphalt at my office that has over 10 years of fines in it and infiltrates <1”/hr. If you hit it with a vacuum it quickly clears to >50”/hr.