To add to the previous note about Method Statement Any one out there who employs a window cleaner, my advice is make sure you give your new employee. Health & Safety Policy, Method Statements Risk Assesment Equal Ops Policy( If applicable) and a make sure they sign to say they have read and fully understand the contents of the documents. So when they eventually try to claim industrial injury you have got some come back up. Usual excuse for self injury is they claim lack of training. Finally make sure they have a contract of employment. ( If they have not got one you are breaking employment legislation