Intermodal Container Securement Guidelines

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Questions and Answers

What is the maximum allowable movement for an intermodal container secured on a chassis?

  • 3 cm horizontally
  • 1.5 cm vertically
  • 2.54 cm vertically (correct)
  • 1 cm in any direction

Which of the following is NOT a method of securing an intermodal container to a non-chassis vehicle?

  • Crossed chains fixed to upper corners
  • Both chains and integral devices
  • Chains fixed to all lower corners
  • Tighten latches on the chassis (correct)

What is required if a latch is missing or broken when securing an intermodal container?

  • Nothing, as it is not a major concern
  • Secure the corner using alternative means, such as chain or wire rope (correct)
  • Dismantle the entire setup
  • Replace the latch before proceeding

How must the front and rear of the container be secured?

<p>Independently, with separate securement for each (C)</p> Signup and view all the answers

Which factor is essential for positioning an intermodal container on a vehicle?

<p>All lower corners must rest upon the vehicle or supported structure (D)</p> Signup and view all the answers

What is the minimum aggregate working load limit required for tie-downs on a loaded intermodal container?

<p>50% of the loaded weight (D)</p> Signup and view all the answers

Which of the following requirements applies to securing loaded intermodal containers?

<p>Securement devices must not become unfastened accidentally (B)</p> Signup and view all the answers

What must be done to secure the corners of the loaded container?

<p>Use tie-downs attached to the loaded container (C)</p> Signup and view all the answers

Flashcards

Intermodal container securement

Specific rules for securing intermodal containers on different types of transport vehicles.

Container chassis vehicles

Vehicles designed to physically support and secure intermodal containers.

Securing Devices on Chassis

Locking devices on the chassis to prevent container movement.

Maximum Movement Limits

Containers must not move more than 1/2 inch in any direction or 1 inch vertically.

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Independent Securing

Secure the front and rear portions of the container independently.

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Non-Chassis Vehicle Securement

Containers must be positioned to rest firmly or supported by a structure attached to a vehicle that won't detach.

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Lower or Upper Corner Securement

Secure the container to the vehicle using chains or integral devices at lower, or both lower & upper corners.

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Tie-down Working Load Limit

Tie-downs must have a combined strength rating of at least 50% of the container's weight.

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Study Notes

Intermodal Container Security

  • The maximum allowable movement for an intermodal container secured on a chassis is 1 inch in any direction.
  • Twist locks are NOT a method of securing an intermodal container to a non-chassis vehicle.
  • If a latch is missing or broken when securing an intermodal container, it requires immediate repair or replacement.
  • Both the front and rear of the container must be secured with two tie-downs per side.
  • Proper weight distribution is essential for positioning an intermodal container on a vehicle.
  • The minimum aggregate working load limit required for tie-downs on a loaded intermodal container is 5,000 pounds.
  • When securing loaded intermodal containers, corner posts must be properly secured to prevent shifting or movement.
  • The corners of a loaded container must be secured by positioning a tie-down to prevent movement.

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Related Documents

Intermodal Containers PDF

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