Hazards must come to a safe state prior to an operator reaching the hazard. For safety distance calculations, ISO 13855 defines the distance as follows:
S = K x T + C:
To help you calculate safety distances we have created a downloadable safety distance calculator which can be downloaded via this link.
If you have any questions or difficulties filling it in, feel free to contact us on 01223 499488 and we will be glad to help.