3099.1 When used in this chapter, the following terms and phrases shall have the meanings ascribed:

Accident - any unexpected, unintentional, unplanned, or unforeseen occurrence of a nature, or under circumstances, that could cause personal injury or property damage, regardless of whether injury or damage does result.

Adequate - meeting the requirements essential to reasonable safety.

Deep sea or hart-hat diving - diving operations where the air is supplied from the surface.

Disabling injury - an injury that disables a person for the performance of his or her regular duties, or the normal duties of a regularly established job, beyond the date or shift of the injury; or an injury that results in permanent disability.

Employee - any person rendering service to an employer for compensation.

Equipment - includes machinery, devices, tools, derricks, hoists, scaffolds, platforms, runways, ladders, and all similar facilities, safeguards, and protective construction used in connection with diving operations.

Recompression chamber - a compartment designed to recompress a diver so that the diver can then undergo decompression at a controlled rate.

Scuba diving - diving operations employing self-contained underwater breathing apparatus.

SOURCE: Section 11-290005 of Regulation No. 70-18, approved May 28, 1970; 11B DCRR, §900.5 (April 1, 1971), Special Edition.