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

§4942. Barge Mounted Cranes.

(a) When a mobile crane is mounted on a barge, the rated load of the crane shall not exceed the capacity specified by the certified agent.

(b) Load ratings shall be reduced to stay within the limits for list of the barge with a crane mounted on it and a revised load rating chart shall be provided.

(c) Mobile cranes on barges shall be secured to the barge. When stability of barge is not a factor, and control barriers are provided, limited travel may be authorized.

(d) The width of barge hulls supporting mobile cranes equipped with pile driver or extractor leads shall be not less than 45 percent of the height of the lead above water.

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