This information is provided free of charge by the Department of Industrial Relations from its web site at These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at

Subchapter 7. General Industry Safety Orders
Group 13. Cranes and Other Hoisting Equipment
Article 93. Boom--Type Mobile Cranes

Return to index
New query

§4926. Access to Operator's Position, Machine House and/or Boom Blocks.

(a) Boom-type mobile cranes and boom-type excavators shall be provided with steps and hand-holds or other safe means so located as to give convenient and safe access to the operator's position or machine house.

(b) When necessary to go out on booms to oil the blocks or other parts of machinery, each boom shall be equipped with a catwalk, guardrails and grab-irons or hand-holds. Booms which are lowered to the ground or floor level for service, are exempted from this requirement.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Amendment filed 8-29-86; effective thirtieth day thereafter (Register 86, No. 39).

Go BackGo Back to Article 93 Table of Contents