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The requirements in this section apply to the transportation of all intermodal containers.
Note: When securing cargo contained within an intermodal container, follow general cargo securement requirements (Section 2) or, if applicable, follow the commodity specific requirements.
Secure each intermodal container to the container chassis with securement or integral locking devices that cannot accidentally become unfastened. Integral locking devices do not have to be adjustable.
Note: If necessary, use secondary attachments to ensure that latches remain fastened in transit.
Securing devices must restrain the container from moving more than:
Secure the front and rear of the container independently.
If a latch is missing or broken, secure the corner by an alternative means, such as chain or wire rope.
Either all lower corners rest upon the vehicle.
Or the corners are supported by a structure capable of bearing the weight of the container. Independently secure the support structure to the vehicle.
Secure each container to the vehicle by:
Secure the front and rear of the loaded container independently.
Secure the four corners using tie-downs that are attached to the loaded container.
The tie-downs must have an aggregate working load limit of at least 50% of the loaded weight of the loaded container.
Attach each chain, wire rope, or integral locking device to the container in a manner that prevents it from becoming unfastened while in transit.
Empty intermodal containers transported on non-chassis vehicles do not have to have all lower corners resting upon the vehicle or supported by a structure if they meet each of the following four requirements:
The container is balanced and positioned on the vehicle so it is stable before adding tie-downs or other securing devices.
The container does not hang over the front or rear of the trailer by more than 1.5 m (5 ft).
The container does not interfere with the vehicles maneuverability.
The container is secured to prevent side-to-side, forward, rearward, and upward movement by:
How many anchor points should be used to secure an intermodal container on a chassis vehicle?
Secure the front and rear of the container independently.
What is the minimum WLL required of tiedowns securing loaded intermodal containers on non-chassis vehicles?
Secure each container to the vehicle by:
Secure the front and rear of the loaded container independently.
Secure the four corners using tiedowns that are attached to the loaded container.
The tiedowns must have an aggregate working load limit of at least 50% of the loaded weight of the loaded container.
Attach each chain, wire rope, or integral locking device to the container in a manner that prevents it from becoming unfastened while in transit.
When securing an intermodal container on a chassis, what is the maximum allowable vertical travel when secured?
Securing devices must restrain the container from moving more than:
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