Singapore legislation
Regulation 108
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 108
Man-lock and medical lock attendants
Subregulation 1
Every man-lock and medical lock in a worksite where work in a compressed air environment is carried out shall be under the charge of a lock attendant.
Subregulation 2
No person shall be employed as a man-lock or medical lock attendant in such a worksite for more than 12 consecutive hours in any period of 24 hours.
Subregulation 3
No person shall be employed as a man-lock or medical lock attendant in a worksite where work in a compressed air environment is carried out unless he has —
been certified to be medically fit by a medical practitioner;
been trained in first-aid; and
received adequate training to familiarise him with the hazards associated with compression, decompression and compressed air illness and with the keeping of records under these Regulations.
Subregulation 4
A person must not wilfully obstruct, delay or refuse to carry out any instruction given by a man-lock attendant in the course of the attendant’s employment in a worksite.