The new GPG for Precast Concrete talks about exclusion zones. But what are they and how do they affect crane operations?

The new GPG for Precast Concrete has now been released. It is called:

Safe work with precast concrete good practice guidelines

These guidelines are for persons conducting a business or undertaking (PCBUs) including designers, manufacturers, suppliers, installers and importers, as well as workers and any other people who handle, transport or erect precast concrete elements.