30.F.10 Weights and harnesses.
Unless heavy gear is worn, each tethered diver must wear a divers safety harness with a positive buckling device, attachment point for the safety line, and a lifting point to distribute the pull force of the line over the diver's body while maintaining the body in a heads-up vertical position when unconscious or inert.
First Aid Equipment
30.F.11 The following emergency and first aid equipment must be located at all dive sites:
- A first aid kit meeting the requirements of Section 3;
- An oxygen resuscitation system must contain a pocket mask with O2 inlet, non-rebreather mask, demand inhalator and/or demand resuscitator capable of delivering oxygen for a minimum of 30 minutes at 15 liters per minute (lpm) or until emergency medical assistance can be administered; and
- A stokes litter or backboard, equipped with at least four body straps and snap buckles, a head block and have flotation capability.
Dive Flags
30.F.12 When diving from vessels, International alpha code and recreational dive flags with a minimum dimension of 23 in (58.4 cm) will be displayed a minimum of 3 ft (0.9 m) above the working surface at the dive location during diving operations. When diving from surfaces other than vessels in areas capable of supporting marine traffic, a rigid replica of the international code flag "A" at least 3 ft (1 m) in height must be displayed at the dive location in a manner which allows all-round visibility, and must be illuminated during night diving operations.
30.F.13 Hand-held power tools must be tested and certified to be safe for underwater use. These tools must be de-energized at the surface before being placed into or retrieved from the water and must not be supplied with power until requested by the diver.
30.F.14 The use of one-atmosphere suits (e.g., Newt Suits) requires the specific approval of the MSC DDC and FOA DDC prior to the use of such equipment.
Knowledge Check Choose the best answer for the question.
30-17. First aid oxygen resuscitation systems must be capable of delivering oxygen _____.
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