167AMeaning of diving

167A Meaning of diving

(1) For the purposes of these Regulations, a person is diving if the person: (a) is in a chamber inside which the ambient pressure is equal to or higher than the hydrostatic pressure at a depth of 1 metre in seawater (whether or not the chamber is submerged in water or another liquid); or (b) is submerged in water or another liquid and the person’s lungs are subjected to a pressure greater than atmospheric pressure (whether or not the person is wearing a wetsuit or other protective clothing); or (c) is in a crewed submersible craft that is submerged in water or another liquid. (2) For the purposes of these Regulations, diving also includes diving using a snorkel and diving without the use of any breathing apparatus. (3) For the purposes of these Regulations, diving does not include: (a) diving using a snorkel for the purpose of conducting an environmental survey; or (b) diving without the use of any breathing apparatus for that purpose.