You can use that if you want, in fact if you can write a risk assessment for clipping on to the neighbours washing line you can do anything you like. Get your gaffer to show you the guidance and remember it's guidance, you will soon work out what you can and cannot do. As I tell the boy's, either hand rail or harness minimum.
I spoke with a company safety man on site last week who was watching us work, he did give me a dig for one of the boy's dropping fittings from one lift to the next even though it was barricaded off below which was fair enough, he then tried to give me a dig for the way we were dismantling using the step but I stood my ground explained my thoughts on the process and he was happy enough. You just have to be prepared to justify your actions.