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Nova Scotia Offshore Area Petroleum Diving Regulations

Version of section 42 from 2006-03-22 to 2014-12-30:


 No diving supervisor shall 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;

  • (b) an umbilical directly from the surface or via a skip is used to supply the appropriate breathing mixture to the divers involved in the dive that is part of the diving operation;

  • (c) the supervisor is in oral communication with any divers, stand-by divers and attendants involved in the diving operation at all times during the diving operation;

  • (d) the supervisor has a means of monitoring the depth of each diver involved in the diving operation and the pressure of the breathing mixture being supplied to each diver and stand-by diver involved in the dive;

  • (e) each diver involved in the dive is securely connected to a lifeline; and

  • (f) the diving crew, for the duration of the diving operation, includes one diving supervisor, one diver and a minimum of

    • (i) one stand-by diver equipped with an umbilical at least 3 m longer than the umbilical of the diver for whom the stand-by diver acts as stand-by,

    • (ii) one attendant at the dive site of the diving operation, and

    • (iii) as many additional attendants as the supervisor considers necessary to ensure the safety of the divers involved in the diving operation.


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