312.36. Surface-supply diving equipment: The use of the following equipment is compulsory for any surface-supply diving:(1) a surface-supplied underwater breathing apparatus including a helmet or a full face mask equipped with a continuous or demand regulator, in addition to protective headgear;
(2) an umbilical;
(3) an emergency self-contained breathing apparatus attached to the appropriate accessories, with a regulator equipped with a shut-off valve and a submersible pressure gauge;
(4) subject to section 312.37 and paragraphs 2 of sections 312.69 and 312.78, a wet suit suitable for the work conditions;
(5) non-releasable ballast;
(6) a depth gauge or pneumo depth gauge for deep diving;
(7) a harness, designed for diving by a manufacturer, with pelvic support and at least 5 attachment points, including 1 dorsal point accessible to the diver using an extension of at least 20 kN; in addition, the harness and the 5 attachment points must have the following features:(a) a breaking strength greater than 20 kN;
(b) they are accessible and visible by the standby diver when the diver is dressed and equipped;
(8) a suitable knife;
(9) a pair of swim fins and, for bottom work, safety boots especially designed to protect against the risks of puncture or the fall of heavy or sharp objects; and
(10) a light for night diving.