WAC 296-37-565. Liveboating

(1) General. Employers engaged in diving operations involving liveboating shall comply with the following requirements. (2) Limits. Diving operations involving liveboating shall not be conducted: (a) With an inwater decompression time of greater than 120 minutes; (b) 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; (c) Using mixed gas at depths greater than 220 fsw; (d) In rough seas which significantly impede diver mobility or work function; or (e) In other than daylight hours. (3) Procedures. (a) The propeller of the vessel shall be stopped before the diver enters or exits the water. (b) A device shall be used which minimizes the possibility of entanglement of the diver's hose in the propeller of the vessel. (c) 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. (d) A standby diver shall be available while a diver is in the water. (e) A diver-carried reserve breathing gas supply shall be carried by each diver engaged in liveboating operations.