Ariz. Admin. Code § R11-1-664
Walkways with outboard railings shall be provided wherever persons are required to walk alongside elevated conveyor belts. Inclined railed walkways shall be nonskid or provided with cleats.
Former Section R11-1-704 renumbered and amended as Section R11-1-664 effective August 18, 1980 (Supp. 80-4).