Regulation 7 Safe system of work

The compressed air contractor shall ensure that no person works in compressed air or enters or leaves compressed air except in accordance with a system of work which, so far as is reasonably practicable, is safe and without risks to health.

The compressed air contractor shall ensure that a sufficient number of competent persons are present on site to supervise the execution of work in compressed air at all times when such work is being carried out and, in the case of such work undertaken at a pressure of 0.7 bar or above, for 24 hours thereafter.