Emergency retrieval plans should allow for immediate local response in safely retrieving people to avoid fatalities.
People performing these tasks must be provided with the means to get themselves and any equipment they require onto the roof with no risk, or minimal risk of fall or injury.
There are legal requirements that must be observed prior to allowing people to enter a confined space. • Training in confined space entry. • Issue of entry permits. • Continuous monitoring and supervision.
Redundant and self-monitoring fault detection systems. Redundant or dual systems (doubling up) and self-monitoring fault detection systems are also effective methods to prevent failure of critical safety systems. Selection and installation of these types of complex interactive control measures may require expert or specialist assistance.