Diving ladder and stage.

(a) Each diving ladder must— (1) Be capable of supporting the weight of at least two divers; (2) Extend 3 feet below the water surface; (3) Be firmly in place; (4) Be available at the dive location for a diver to enter or exit the water unless a diving stage or bell is provided; and (5) Be—(i) Made of corrosion-resistant material; or (ii) Protected against and maintained free from injurious corrosion. (b) Each diving stage must— (1) Be capable of supporting the weight of at least two divers; (2) Have an open-grating platform; (3) Be available for a diver to enter or exit the water from the dive location and for in-water decompression if the diver is— (i) Wearing a heavy-weight diving outfit; or (ii) Diving outside the no-decompression limits, except when a bell is provided; and (4) Be—(i) Made of corrosion-resistant material; or (ii) Protected against and maintained free from injurious corrosion.