California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 6 - Elevator Safety Orders
Group II - Elevator Installations for Which the Installation Contract Was Signed Before October 25, 1998
Article 12.5 - Vertical or Inclined Reciprocating Conveyors
Section 3087.6 - Guarding

(a) Vertical or inclined reciprocating conveyors shall be guarded so as to prevent injury from inadvertent physical contact. The enclosure shall be not less than 8 ft (2.44 m) high and constructed of a metal mesh that will reject a ball 2 in. (51 mm) in diameter. [6.6.2]

(b) Vertical or inclined reciprocating conveyor enclosures shall be equipped with doors or gates or equivalent device at each manual loading and unloading station, interlocked so that they can be opened only when the platform or carrier has stopped at that level and the platform or carrier cannot be moved until they are closed. [6.21.2]

(c) Where the application requires that personnel walk onto the platform or carrier to load or unload, the platform or carrier shall be provided with standard railings with midrail kickplate and snap chains across operating ends or equivalent guarding. [6.21.2(d)]

(Titile 24, Part 7, Section 7-3087.6)