Might have some work coming up on a site and just wandering whats required on site nowadays as haven't worked on a site for a few years just wandering if the standerd spaceing is 5ft centres and internal birdcages are still 6ft if normal ceiling heights upstairs and down and I've heard it's all stairtowers now instead of ladders or anything else I should be aware of as probley changed due to health and safety any helpful info would be nice just so know what to expect I understand diffrent agents might require diffrent things