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Surface-supplied diver at the Monterey Bay Aquarium, Monterey, California US Navy Diver using Kirby Morgan Superlight 37 diving helmet [1]. Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either from the shore or from a diving support vessel, sometimes indirectly via a diving bell. [2]
Only surface-supplied diving is authorised for this work in most jurisdictions, as this not only secures the diver's breathing gas supply, but also provides a guideline to the exit point. The use of mechanised bottom scrubbing devices which are steered along the hull surface by a diver and scrub it with rotary brushes has been linked with high ...
Surface-supplied commercial diving equipment on display at a trade show Diver of the Black Sea Fleet in diving equipment SVU-5. Surface-supplied diving equipment (SSDE) is the equipment required for surface-supplied diving. The essential aspect of surface-supplied diving is that breathing gas is supplied from the surface, either from a ...
Surface-supplied diving [1] - mostly used in professional diving. This category includes: Surface oriented surface-supplied diving (Bounce diving), where the diver starts and finishes the dive at normal atmospheric pressure. [1] Standard diving dress - mostly used in professional diving. Usually free-flow open circuit air, but occasionally semi ...
mobile diving system. Also: "portable diving system" A diving system (q.v.) which is installed on a vessel or installation on a temporary basis and that is not fixed, i.e. can be demobilised, transported and re-sited. Includes surface supplied air, nitrox, heliox and saturation diving systems. [1] mobile offshore drilling unit
See: Surface-supplied diving skills#Breathing from a pneumofathometer hose. Use of the pneumofathometer hose to supply breathing gas to a surface supplied diver in an emergency. Supply can be from the diver's own pneumo hose or from a standby diver's pneumo hose. [14] pneumofathometer. Also: "pneumo", "Kluge-Pneumo" See: Pneumofathometer
Upon completion of Second Class Dive School service personnel are assigned to one of the Navy Diver Units to develop their diving and salvage skills. Underwater ship repair, salvage, or construction can be done using either SCUBA equipment or a surface-supplied diving system.
In ambient pressure diving, the diver is directly exposed to the pressure of the surrounding water. The ambient pressure diver may dive on breath-hold or use breathing apparatus for scuba diving or surface-supplied diving, and the saturation diving technique reduces the risk of decompression sickness (DCS) after long-duration deep dives.