312.64. Hyperbaric chamber and chamber medical kit: Subject to section 312.65, a Class A hyperbaric chamber built, used and maintained in accordance with CAN/CSA Standard Z275.1-05, Hyperbaric Facilities, except Clauses 8 and 14, as well as a chamber medical kit with the basic content described in Part 3 of Schedule X, must be available at all times at the diving station in the following cases:
(1) the dive exceeds the no-decompression limit; or
(2) the dive depth exceeds 40 m, or 15 m for the work provided for in section 312.6.
The chamber and kit are for the divers’ exclusive use. They must be kept in good condition.
No diver may accompany the victim of a diving accident in a hyperbaric chamber if the diver is not medically capable of being pressurized or has dived within the last 18 hours.
A diver who accompanies the victim of a diving accident in a hyperbaric chamber may not dive within 24 hours after coming out of the chamber.
For the purposes of this section, “no-decompression limit” means the bottom time that, according to the decompression tables, does not require any decompression stop because of dive depth and duration.
O.C. 425-2010, s. 3; O.C. 1104-2015, s. 13.