§ 1910.427 - Liveboating.


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  • § 1910.427 Liveboating.

    (a) General. Employers engaged in diving operations involving liveboating shall comply with the following requirements.

    (b) Limits. Diving operations involving liveboating shall not be conducted:

    (1) With an inwater decompression time of greater than 120 minutes;

    (2) Using surface-supplied air at depths deeper than 190 fsw, except that dives with bottom times of 30 minutes or less may be conducted to depths of 220 fsw;

    (3) Using mixed gas at depths greater than 220 fsw;

    (4) In rough seas which significantly inpede diver mobility or work function; or

    (5) In other than daylight hours.

    (c) Procedures.

    (1) The propeller of the vessel shall be stopped before the diver enters or exits the water.

    (2) A device shall be used which minimizes the possibility of entanglement of the diver's hose in the propeller of the vessel.

    (3) Two-way voice communication between the designated person-in-charge and the person controlling the vessel shall be available while the diver is in the water.

    (4) A standby diver shall be available while a diver is in the water.

    (5) A diver-carried reserve breathing gas supply shall be carried by each diver engaged in liveboating operations.