105. Man-locks
Feedback & supportWhere work is carried out in any compressed air tunnel in a worksite, a suitably constructed and equipped man-lock shall be provided for each tunnel.
The man-locks shall be sufficiently strong to withstand any air pressure, internal or external, to which the structure may be subjected whilst in use and in an emergency.
The man-lock shall be of adequate size to accommodate all persons likely to use the lock at any one time.
The man-lock shall be maintained in working order and in a clean state at all times.
Provision shall be made to enable any person inside the man-lock or working chamber to control the doors of the man-lock or working chamber in order to leave the man-lock or working chamber in the case of an emergency.
Except in the case of an emergency, no person shall operate the controls for the opening and closing of the doors of the man-lock and working chamber unless he has been authorised by the lock attendant.
A notice which can be easily read and understood by any person employed to work in the man-lock shall be affixed in each man-lock to indicate —
the precautions to be taken during his compression or decompression and after decompression; and
the maximum number of persons who may be accommodated in the man-lock.
Subregulation 1
Where work is carried out in any compressed air tunnel in a worksite, a suitably constructed and equipped man-lock shall be provided for each tunnel.
Subregulation 2
The man-locks shall be sufficiently strong to withstand any air pressure, internal or external, to which the structure may be subjected whilst in use and in an emergency.
Subregulation 3
The man-lock shall be of adequate size to accommodate all persons likely to use the lock at any one time.
Subregulation 4
The man-lock shall be maintained in working order and in a clean state at all times.
Subregulation 5
Provision shall be made to enable any person inside the man-lock or working chamber to control the doors of the man-lock or working chamber in order to leave the man-lock or working chamber in the case of an emergency.
Subregulation 6
Except in the case of an emergency, no person shall operate the controls for the opening and closing of the doors of the man-lock and working chamber unless he has been authorised by the lock attendant.
Subregulation 7
A notice which can be easily read and understood by any person employed to work in the man-lock shall be affixed in each man-lock to indicate —
the precautions to be taken during his compression or decompression and after decompression; and
the maximum number of persons who may be accommodated in the man-lock.