Singapore legislation
Regulation 106
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 106
Compression and decompression procedure and use of man-lock
Subregulation 1
Except in an emergency, compression of persons before they enter a working chamber in a worksite and decompression of persons who are leaving a working chamber in a worksite shall be carried out only in a man-lock.
Subregulation 2
In an emergency, a materials lock may be used in a worksite for the compression and decompression of persons and a record of such use and particulars of the emergency shall be made and produced for inspection by an inspector when required by the inspector.
Subregulation 3
Compression and decompression of persons working in a compressed air environment in a worksite shall be carried out in accordance with the procedures approved by the Commissioner.
Subregulation 4
A man-lock in a worksite shall not be used for any purpose other than for the compression or decompression of persons.