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1 The following definitions apply in these Regulations.

diving bell

diving bell means a compression chamber that is intended to be submerged and that is designed to transport a person at atmospheric pressure or divers at pressures greater than atmospheric pressure from the surface to an underwater work site and back and includes the compression chamber of a diving submersible. (tourelle de plongée)

diving program

diving program means any work or activity related to the exploration or drilling for, or the production, conservation, processing or transportation of, petroleum that involves a diving operation. (programme de plongée ou programme)

installation

installation means any fixed offshore structure used in connection with the exploration or drilling for, or the production, conservation, processing or transportation of, petroleum or any other marine installation or structure. (installation)

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• (2) A diving contractor who conducts a diving operation must ensure that

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  • (m) any skip, diving submersible or ADS used in the diving operation is equipped with

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    • (ii) where practicable, an additional cable in the form of a suitable tag rope so designed that, in the event the primary lifting cable breaks during a water-air interface transport, the tag rope will not permit the skip, diving submersible or ADS to descend to a depth greater than 25 m, and

  • (n) any skip used in the diving operation to transport divers through the water-air interface is

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41 A diving supervisor must not conduct a category I diving operation, other than a diving operation in which SCUBA is used, unless

• (a) a suitable skip is used to transport the divers involved in the diving operation to an underwater work site that is 20 m or more in depth and, where practicable, to an underwater work site that is less than 20 m in depth;

• 39 (1) A diving supervisor must not permit a diver supervised by the supervisor to make a dive that is part of a diving operation from

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  • (c) a dive site located more than 2 m above the water unless a suitable skip, diving bell or diving submersible is used to transport the diver through the air-water interface;

16 A diving contractor who conducts a diving operation must not use or permit to be used a diving bell in the diving operation unless the diving bell

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• (m) in addition to a primary lifting cable, is equipped with a suitable tag rope so designed that, in the event the primary cable breaks during a water-air interface transport, the tag rope will not permit the diving bell to descend to a depth greater than 25 m;