Coast Guard, DOT § 197.410 (b) Prior to permitting any (i) The tasks to be undertaken; commerical diving operation involving (ii) Any unusual hazards or environ- liveboating to commence, the person- mental conditions likely to affect the in-charge shall insure thatÐ safety of the diving operation; and (1) A means of rapid communications (iii) Any modifications to the oper- with the diving supervisor while the ations manual or procedures including diver is entering, in, or leaving the safety procedures necessitated by the water is established; and specific diving operation; (2) A boat and crew for diver pickup (2) The breathing gas supply systems, in the event of an emergency is pro- masks, helmets, thermal protection, vided. when provided, and bell lifting equip- (c) The person-in-charge shall insure ment, when a bell is provided or re- that a boat and crew for SCUBA diver quired, are inspected prior to each div- pickup is provided when SCUBA divers ing operation; are not line-tended from the dive loca- (3) Each diver is instructed to report tion. any physical problems or physiological (d) The person-in-charge shall coordi- effects including aches, pains, current nate the activities on and of the vessel illnesses, or symptoms of decompres- or facility with the diving supervisor. sion sickness prior to each dive; (e) The person-in-charge shall insure (4) A depth, bottom time profile, in- that the vessel or facility equipment cluding any breathing mixture and personnel are kept clear of the dive changes, is maintained at the dive lo- location except after coordinating with cation for each diver during the dive, the diving supervisor. except that SCUBA divers shall main- tain their own profiles; § 197.404 Responsibilities of the diving supervisor. (5) A two-way voice communication system is used betweenÐ (a) The diving supervisor shallÐ (i) Each surface-supplied diver and a (1) Be fully cognizant of the provi- dive team member at the dive location sions of this subpart; or bell (when provided); and (2) Be fully cognizant of the provi- (ii) The bell (when provided) and the sions of the operations manual re- dive location; quired by § 197.420; (3) Insure that diving operations con- (6) A two-way communication system ducted from a vessel or facility subject is available at the dive location to ob- to this subpart meet the regulations in tain emergency assistance; this subpart; (7) After the completion of each (4) Prior to the commencement of diveÐ any commercial diving operation, pro- (i) The physical condition of the vide the report required by § 197.402 to diver is checked byÐ the person-in-charge; (A) Visual observation; and (5) Coordinate with the person-in- (B) Questioning the diver about his charge any changes that are made to physical well-being; the report required by § 197.402; and (ii) The diver is instructed to report (6) Promptly notify the person-in- any physical problems or adverse phys- charge of any diving related casualty, iological effects including aches, pains, accident, or injury. current illnesses, or symptoms of de- (b) The diving supervisor is in charge compression sickness or gas embolism; of the planning and execution of the (iii) The diver is advised of the loca- diving operation including the respon- tion of an operational decompression sibility for the safety and health of the chamber; and dive team. (iv) The diver is alerted to the poten- tial hazards of flying after diving; § 197.410 Dive procedures. (8) For any dive outside the no-de- (a) The diving supervisor shall insure compression limits, deeper than 130 thatÐ fsw, or using mixed-gas as a breathing (1) Before commencing diving oper- mixtureÐ ations, dive team members are briefed (i) A depth, time, decompression pro- onÐ file including breathing mixture 391 VerDate 27-NOV-96 09:31 Dec 19, 1996 Jkt 167179 PO 00000 Frm 00391 Fmt 8010 Sfmt 8010 E:\CFR\167179.103 167179.