- Part Number:1910
- Part Number Title:Occupational Safety and Health Standards
- Subpart:1910 Subpart T
- Subpart Title:Commercial Diving Operations
- Standard Number:
- Title:SCUBA diving.
- GPO Source:
General. Employers engaged in SCUBA diving shall comply with the following requirements, unless otherwise specified.
Limits. SCUBA diving shall not be conducted:
At depths deeper than 130 fsw;
At depths deeper than 100 fsw or outside the no-decompression limits unless a decompression chamber is ready for use;
Against currents exceeding one (1) knot unless line-tended; or
In enclosed or physically confining spaces unless line-tended.
A standby diver shall be available while a diver is in the water.
A diver shall be line-tended from the surface, or accompanied by another diver in the water in continuous visual contact during the diving operations.
A diver shall be stationed at the underwater point of entry when diving is conducted in enclosed or physically confining spaces.
A diver-carried reserve breathing gas supply shall be provided for each diver consisting of:
A manual reserve (J valve); or
An independent reserve cylinder with a separate regulator or connected to the underwater breathing apparatus.
The valve of the reserve breathing gas supply shall be in the closed position prior to the dive.