Thanks BB and Ron.
To clarify two of the four perimeter spans will be above grade and two below, since it is a cut and fill job.
Nice advice on the form suggestions to make a groove in these (control) joints. Sounds like they don't have to be very deep.
BB you say do not tie the corners...
Hi Engi dudes
In a tennis court construction project I am working on, it calls for a 240mm wide by 300mm high concrete plinth surrounding the court hard surface. The length of the concrete spans of the plinth are 100 x 50 feet (the outside dimensions of the court). Penetrating the center line...