Canada Oil and Gas Diving Regulations — 9
 (g) maintain, at the craft or installation from which the diving operation is conducted, two copies of these Regulations and a copy of the applicable procedures manual and make them available to any person involved or to be involved in the diving operation and, on request, to the Minister or a conservation engineer; (h) provide or arrange for the provision of any diving plant and equipment necessary for the safe conduct of the diving operation, including (i) adequate firefighting equipment, and (ii) a two-compartment compression chamber that (A) has been approved for the diving program, in accordance with section 5, for use at a pressure that is not less than six atmospheres absolute and, where the maximum working pressure that may be encountered during any dive that is part of the diving operation is greater than six atmospheres absolute, for use at the maximum pressure plus one atmosphere, (B) is suitable for the diving operation, and (C) is located in a readily accessible place on board the craft or installation from which the diving operation is conducted, except in the case of a diving operation that is conducted at a depth of 10 m or less, and, where the supervisor of the diving operation approves, may be located within one hour’s travelling time from the dive site; (i) use only diving plant and equipment that is of sound construction, adequate strength, free from patent defects and in good working order; (j) provide for the protection of the diving plant and equipment used in the diving operation from malfunction in the environmental conditions under which the diving plant and equipment are to be used, including conditions of low or high temperatures; (k) permit only such repair, replacement and alteration of diving plant and equipment used in the diving operation as has been approved pursuant to subsection 7(2) and ensure that routine repair, replacement or alteration is carried out by a competent person; (l) provide adequate illumination of the dive site and the underwater work site of the diving operation (i) during any period of darkness or low visibility, and (ii) where the supervisor of the diving operation requests the illumination and where the nature of the diving operation so permits; (m) provide a diving operations logbook that is permanently bound and has numbered pages; (n) retain any diving operations logbook referred to in paragraph (m) that is delivered to the diving contractor by a supervisor pursuant to subsection 50(5), and any records or copies delivered to the diving contractor by a supervisor pursuant to subsection 52(3), for a period of not less than two years after the day of the last entry made in it; and (o) produce, on request, any logbooks, records or copies referred to in paragraph (n) for inspection by the Minister or a conservation engineer. (6) Where continuance of a diving operation would compromise or is likely to compromise the safety or would endanger or is likely to endanger the health, well-being or life of, any person involved in the diving operation, the diving contractor who conducts the diving operation shall forthwith interrupt or discontinue the diving operation.