171ACompetence of worker—general diving work—additional knowledge and skill

171A  Competence of worker—general diving work—additional knowledge and skill  (1) In addition to regulation 171, a person must not carry out general diving work unless the person has, through training, qualification or experience, acquired sound knowledge and skill in relation to the following:  (a) the application of diving physics;  (b) the use, inspection and maintenance of diving equipment (including emergency equipment) and air supply of the type to be used in the proposed general diving work;  (c) the use of decompression tables or dive computers;  (d) dive planning;  (e) ways of communicating with another diver and with persons at the surface during general diving work;  (f) how to safely carry out general diving work of the type proposed to be carried out;  (g) diving physiology, emergency procedures and first aid.  (2) This regulation does not apply in relation to incidental diving work or limited scientific diving work.