In January 2019 an Emergency Change NR/BS/LI413 was implemented. this affect Standard NR/L2/OHS/022 issue 1 Working Safely at Height.
The changes are documented on the accompanying document on the right hand side under attachments.
Other useful resources and websites can be found on this page. All of which we hope will keep workers safe when they work from height.
Useful Links
Network Rail Standards (internal)
Network Rail Standards (external)
Ladder Association
HSE working at Height