Mine Safety and Health Administration (MSHA) - Interactive Training

U.S. DOL, MSHA, National Mine Health and Safety Academy

3.16

Chocking

slide083.jpg containing the following:

Mechanical Handling of Materials – Forklifts (continued)

What is this worker doing and why?

Note: Photos are shown of worker chocking the rear wheels of a trailer, of chocks, and of a chock in use.

Q: What is this worker doing and why?

A: He is chocking the rear wheels of the trailer. The brakes of highway trucks must be set and wheel chocks placed under the rear wheels to prevent trucks from rolling while they are being loaded or unloaded with a lift truck.