I am looking for any references, NFPA, IFSTA, sog's ..... that talk about the Ladder Operator/Chauffeur needing or recommending that he/she stay on the turntable when their is someone operating on the roof. I have references about that when someone is on the stick and I understand their are staffing issues and times when we alter plans, but as a general guideline, it is my belief and training that if you have the manpower, someone should be on the turntable while their are roof ops going on. What I would like is some documentation to back that up.