Hi stephen they have to be written site specific if you contact Safe contractors they have examples might charge you though if you accrediting with them 
but you must list dangers to opperators the public and flat owners and what you will do to reduce risks ect signs yellow hoses ladders laid down when not in use. the method statement has to have critticle actions in order eg arrive put out signs insde and a outside entrances  no very good at the computer but willing to read one over the phone to you  if it help email me with your no 
regards grant