(1) You must check the truck or trailer flooring for breaks or weakness before driving on it.
(2) You must prevent movement of trucks or trailers during loading or unloading by:
(a) Setting the brakes; and
(b) Chocking or blocking the wheels.
Exemptions: | 1. You can use mechanical means instead of wheel chocks or blocks to secure the trailer to the loading dock. |
2. Wheel chocks or blocks are not required when: | |
a. The mechanical means prevents the trailer from moving away from the dock. | |
b. The mechanical equipment is used and maintained as recommended by the manufacturer. | |
c. Damaged mechanical equipment is immediately removed from service. |
Note: | You may need to use fixed jacks to keep a semi-trailer that is not coupled to a tractor from up ending during loading or unloading. |