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Coast Guard, DHS § 197.410

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Coast Guard, DHS § 197.410 Coast Guard, DHS § 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 that— 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 between— (a) The diving supervisor shall— (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 dive— any commercial diving operation, pro- (i) The physical condition of the vide the report required by § 197.402 to diver is checked by— 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 that— fsw, or using mixed-gas as a breathing (1) Before commencing diving oper- mixture— ations, dive team members are briefed (i) A depth, time, decompression pro- on— file including breathing mixture 399 VerDate Mar<15>2010 11:05 Nov 21, 2012 Jkt 226202 PO 00000 Frm 00409 Fmt 8010 Sfmt 8010 Y:\SGML\226202.XXX 226202 pmangrum on DSK3VPTVN1PROD with CFR § 197.420 46 CFR Ch. I (10–1–12 Edition) changes is maintained for each diver at mencement of any diving operation; the dive location; and (ii) The diver is instructed to remain (2) Make an operations manual avail- awake and in the vicinity of the dive able at the dive location to all mem- location decompression chamber for at bers of the dive team. least one hour after the completion of (b) The operations manual must be a dive, decompression, or treatment; modified in writing when adaptation is and required because of— (iii) A dive team member, other than (1) The configuration or operation of the diver, is trained and available to the vessel or facility; or operate the decompression chamber; (2) The specific diving operation as and planned. (9) When decompression sickness or (c) The operations manual must pro- gas embolism is suspected or symptoms vide for the safety and health of the are evident, a report is completed con- divers. taining— (d) The operations manual must con- (i) The investigation for each inci- tain the following: (1) Safety procedures and checklists dent including— for each diving mode used. (A) The dive and decompression pro- (2) Assignments and responsibilities files; of each dive team member for each div- (B) The composition, depth, and time ing mode used. of breathing mixture changes; (3) Equipment procedures and check- (C) A description of the symptoms in- lists for each diving mode used. cluding depth and time of onset; and (4) Emergency procedures for— (D) A description and results of the (i) Fire; treatment; (ii) Equipment failure; (ii) The evaluation for each incident (iii) Adverse environmental condi- based on— tions including, but not limited to, (A) The investigation; weather and sea state; (B) Consideration of the past per- (iv) Medical illness; and formance of the decompression table (v) Treatment of injury. used; and (5) Procedures dealing with the use (C) Individual susceptibility; and of— (iii) The corrective action taken, if (i) Hand-held power tools; necessary, to reduce the probability of (ii) Welding and burning equipment; recurrence. and (b) The diving supervisor shall ensure (iii) Explosives. that the working interval of a dive is SPECIFIC DIVING MODE PROCEDURES terminated when he so directs or when— § 197.430 SCUBA diving. (1) A diver requests termination; The diving supervisor shall insure (2) A diver fails to respond correctly that— to communications or signals from a (a) SCUBA diving is not conducted— dive team member; (1) Outside the no-decompression lim- (3) Communications are lost and can its; not be quickly reestablished between— (2) At depths greater than 130 fsw; (i) The diver and a dive team member (3) Against currents greater than one at the dive location; or (1) knot unless line-tended; and (ii) The person-in-charge and the div- (4) If a diver cannot directly ascend ing supervisor during liveboating oper- to the surface unless line-tended; ations; or (b) The SCUBA diver has the equip- (4) A diver begins to use his diver- ment required by § 197.346(a); carried reserve breathing gas supply. (c) A standby diver is available while a diver is in the water; § 197.420 Operations manual. (d) A diver is line-tended from the (a) The diving supervisor shall— surface or accompanied by another (1) Provide an operations manual to diver in the water in continuous visual the person-in-charge prior to com- contact during the diving operation; 400 VerDate Mar<15>2010 11:05 Nov 21, 2012 Jkt 226202 PO 00000 Frm 00410 Fmt 8010 Sfmt 8010 Y:\SGML\226202.XXX 226202 pmangrum on DSK3VPTVN1PROD with CFR.
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