197.320—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;
(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.