Hong Kong Regulations

FACTORIES AND INDUSTRIAL UNDERTAKINGS (WORK IN COMPRESSED AIR) REGULATIONS - REGULATION 31

Employment of persons without previous experience

(1) No person shall be employed in compressed air unless-

   (a)  he has had previous experience of such work; or

   (b)  if he has not had such experience, he is accompanied by a person
        experienced in such work.

(2) In the case of a person not previously employed in compressed  air,
compression shall not be carried out unless he is accompanied in the man-lock
by a person competent to advise him as to the appropriate conduct of persons
during compression.

(3) A person who has not previously been employed in compressed air at a
pressure exceeding 14 pounds per square inch shall work his first shift for
not exceeding 4 hours, and such shift shall coincide with the latter part of a
normal shift period so that the person is decompressed together with the other
members of the shift who have previously been so employed.