CAN/CSA-Z275.2-92 (R2004)

1.1 General 1.1.1 Applies to occupational diving operations conducted in connection with all types of work and employment, and describes the requirements for occupational safety. Note: It is recognized that certain underwater tasks may require specialized standards of practice and/or operational techniques which differ from the requirements of this Standard yet may be acceptable to the regulatory authority. 1.1.2 This Standard addresses equipment requirements for the following diving systems: (a) SCUBA diving systems (see Clause 6); (b) surface-supply diving systems (see Clause 7); (c) deep diving systems (see Clause 8); and (d) diving in contaminated environments (see Clause 9). 1.2 Limitations 1.2.1 This Standard does not apply to diving operations performed solely for sport or recreation. 1.2.2 This Standard does not include work techniques associated with underwater diving operations. 1.3 The values given in SI (metric) units are the standard. The values given in parentheses are for information only.