Additional precautions to be taken10
1
All practicable steps must be taken to supervise the carrying out by persons other than members of staff of any work of construction or maintenance in the premises which presents a risk to persons in case of fire.
2
The periods of duty of members of staff must be so arranged as to secure that not less than two of them are present on duty in the premises at all times when members of the public have access to the premises.