Construction workers' lives will be put at risk and cowboy builders will escape scrutiny if the Queensland government pushes ahead with changes to workplace safety laws, unions say.

Unions wanting to inspect safety breaches will be effectively locked out of construction sites for at least 24 hours if the attorney-general gets his way. Jarrod Bleijie says the changes are needed to ensure safety issues are addressed by the government’s safety regulator and to stop unions from “hijacking” workplaces….