According to the OHS Act, injuries and incidents have to be reported to the Government of Alberta if they:
(a) result in a death;
(b) cause a worker to be admitted to hospital for more than two days;
(c) involve an unplanned or uncontrolled explosion, fire or flood that causes or has the potential to cause a serious injury;
(d) involve the collapse or upset of a crane, derrick or hoist; or
(e) involve the collapse or failure of any component of a building or structure necessary for the structural integrity of the building or structure.