11.—(1) The compressed air contractor shall ensure that compression or decompression of any person engaged in work in compressed air is carried out in accordance with any procedures approved by the Executive.
(2) The compressed air contractor shall ensure that a person shall not be subjected to a pressure exceeding 3·5 bar except in an unforeseen emergency.
(3) The compressed air contractor shall ensure that a person shall not be subjected to the procedure of decanting except in an emergency.
(4) The compressed air contractor shall ensure that an adequate record of exposure is made and maintained in respect of the times and pressures at which work in compressed air is undertaken and that the record or a copy thereof is kept in a suitable form for at least 40 years from the date of the last entry made in it.
(5) The compressed air contractor shall ensure that an individual record of exposure containing the information specified in paragraph (6) is made and maintained in respect of each person who undertakes work in compressed air and that the record or a copy thereof is kept in a suitable form for at least 40 years from the date of the last entry made in it.
(6) The record referred to in paragraph (5) shall contain the date, time of entry, duration and maximum pressure of each exposure and decompression details of each exposure to which the person to whom the record relates is subjected.
(7) The compressed air contractor shall ensure that, as soon as is reasonably practicable after a person has ceased to work on any project –
(a)the employer of that person is provided with a copy of such part or parts of the record made pursuant to paragraph (4) as relate to that person; and
(b)that person is provided with a copy of such part or parts of the record made pursuant to paragraph (5) as relate to him.
(8) An employer who is provided with a copy of a record pursuant to paragraph (7) shall ensure that the record or a copy thereof is kept in a suitable form for at least 40 years from the date of the last entry made in it.