Working on roofs can be high risk
Many activities carried out on roofs are considered ‘construction work’
This includes work carried out in connection with altering,
converting, renovating, repairing, maintaining, demolishing or dismantling a roof of a structure
Examples of these activities include
Minor work on roofs that is not considered ‘construction work’, for example cleaning roof gutters or replacing individual roof tiles, can also have the same hazards, especially the risk of falls
There have been several serious incidents recently involving working on roofs
https://www.worksafe.qld.gov.au/injury-prevention-safety/alerts/incident-alerts/2020/roof-falls
https://www.worksafe.vic.gov.au/news/2020-05/man-dies-fall-incident
For more on safe work on roofs see the information sheet here from safeworkaustralia.gov.au/