Singapore legislation
Regulation 100
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 100
Appointment of competent person for compressed air works
Subregulation 1
Sufficient number of competent persons shall be present on site to supervise the execution of work in a compressed air environment in the worksite at all times when such work is being carried out.
Subregulation 2
Suitably qualified and experienced persons shall be appointed who shall at all times be in control of the air supply plant and be in attendance at the site when any person is employed in the compressed air environment.
Subregulation 3
Competent persons shall be appointed as gauge attendants who shall at all times be in control of the control valve plant and be in attendance at the site when any person is employed in the compressed air environment.
Subregulation 4
For the purpose of paragraph (3), no gauge attendant shall take charge of the air control valves of more than one heading unless they are in the same location.
Subregulation 5
The air controls of each caisson shall be under the charge of a gauge attendant.