Once again this afternoon the Millennium Stadium turf seemed to me to be
very vulnerable to the lateral pushing a surface gets from scrums and
high-energy turns by running players: patches far too big to be called
"divots" would come up not unlike folds in a loose-laid carpet. (I
imagine most readers know that the turf is reinforced with plastic mesh
underneath, and can be trucked in and out on special pallets to reveal
asphalt below. Today one could see a brighter green strip down the
middle, suggesting that this area had recently been replaced. I believe
the whole thing is only six inches deep.)

What I'd like to know is if there is an established body of knowledge on
how to do this kind of thing: what kind of mesh, how deep down it should
be, the best kind of substrate -- things like that. I ask because it
seems to me they still haven't got it quite right, and it has a bearing
on a question asked in urg from time to time about making a lawn on an
impervious base.

--
Mike.