HSE ACOP Dive Team Size
The minimum team size normally required to conduct a surface-supply dive safely within the scope of this ACOP is five – a supervisor, a working
diver, a standby diver, a tender for the working diver and a tender for the stand-by diver. Additional personnel may be required to operate or maintain specialised plant, for example winches, and to assist in an emergency.
Extract from HSE Commercial diving projects inland/inshore- Diving at Work Regulations 1997 – Approved Code of Practice and Guidance