Hong Kong Regulations

FACTORIES AND INDUSTRIAL UNDERTAKINGS (WORK IN COMPRESSED AIR) REGULATIONS - REGULATION 12

Employment in compressed air at a pressure exceeding 14 pounds per square inch

(1) Subject to paragraph (2), no employer shall employ a person in
compressed air at a pressure exceeding 14 pounds per square inch on more than
3 occasions in any 24-hour period.

(2) Paragraph (1) shall not apply-

   (a)  in the case of an emergency where the employer authorizes that any
        person may be so employed on more than 3 occasions in any 24-hour
        period, in which case the employer shall keep a record signed by him
        of such employment and particulars of the emergency;

   (b)  to a person who is a supervisor or is engaged on maintenance work
        provided that-

        (i)    such person shall not be so employed on more than 5 occasions
               in any 24-hour period;

        (ii)   such employment is not for more than half an hour on any 1
               occasion;

        (iii)  there is an interval of not less than 1 1/2 hours between each
               such employment; and

        (iv)   the maximum pressure at which such person is so employed does
               not exceed 30 pounds per square inch.

(3) A person who is employed in compressed air at a pressure exceeding 14
pounds per square inch shall spend not less than 12 consecutive hours at
atmospheric pressure in any 24-hour period.

(4) Except in the case of an emergency, no person shall be employed in
compressed air at a pressure exceeding 50 pounds per square inch without
permission from the Commissioner.