(a) Each diving ladder must—

1. (1) Be capable of supporting the weight of at least two divers;
2. (2) Extend 3 feet below the water surface;
3. (3) Be firmly in place;
4. (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. (5) Be—(i) Made of corrosion-resistant material; or
6. (ii) Protected against and maintained free from injurious corrosion.

(b) Each diving stage must—

1. (1) Be capable of supporting the weight of at least two divers;
2. (2) Have an open-grating platform;

3. (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—

   1. (i) Wearing a heavy-weight diving outfit; or
   2. (ii) Diving outside the no-decompression limits, except when a bell is provided; and
4. (4) Be—(i) Made of corrosion-resistant material; or
5. (ii) Protected against and maintained free from injurious corrosion.