Occupational Health and Safety Act, 1993 (Act No. 85 of 1993)

The diving contractor shall maintain strict control over all diving operations and ensure that all the aspects listed in this Code of Practice are in place and complied with.

7.1        Decompression schedules

Diving operations shall be carried out in strict accordance with appropriate published or proprietary decompression tables and procedures acceptable to normal commercial diving industry practice.

All the decompression schedules used during a dive must be available at the dive site. These must be appropriate for the gas mixture being used.

Before diving commences, the maximum bottom time of the dive, the specific decompression schedule and the diving technique to be used during the diving operation must be made known to and be understood by the dive team.

Good discipline must continuously be maintained during the diving operation to ensure that the diving project is carried out safely. The diving project must be carried out strictly in accordance with the manner planned by the diving supervisor and the bottom time and decompression schedules chosen before the dive must be strictly adhered to.

Appropriate warning signals must be given and the appropriate warning signs must be prominently displayed while the diving operation is in progress.

The warning devices shall be displayed as follows:

These flags shapes or si ls employed for work site identification shall be removed after completion of the diving operation.