106. Compression and decompression procedure and use of man-lock

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. (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.

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.

A man-lock in a worksite shall not be used for any purpose other than for the compression or decompression of persons.

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.

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.

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.

A man-lock in a worksite shall not be used for any purpose other than for the compression or decompression of persons.