Canberra Hospital demolition deserves a unified safety story

It is the twentieth anniversary of the explosive demolition of the Canberra Hospital.  The demolition was meant to be an implosion but instead debris scatter well outside the designated safety zone resulting in the death of one person and injuries to nine.  Such events are significant at the time but fade from memory until anniversaries are noted, however, there are important occupational health and safety (OHS) lessons from such incidents which do not have the drama of a Piper Alpha or a Challenger but are nevertheless as instructive.