The construction method here involves a plastic liner below, Capillary Concrete layer and then USGA greens mix at 6 inches.
Below pictures from the construction of the tees
Ready to play.
These tees have received zero irrigation this year, compared to our other tees that have received
in excess of 200 mm irrigation.
The Tee below is in the same area which has received zero irrigation, but built the industry standard way.
Compare these two Tees!