When securing building materials, spacer requirements include all of the following except:

• Spacers must provide good interlayer friction.
• The height of each spacer must be equal or greater than the width.
• If spacers are comprised of layers of material, the layers must be unitized or fastened together to ensure that the spacer performs as a single piece of material.
• The length of spacers must provide support to all pieces in the bottom row of the bundle.

Define 'bolster':

• A structure, device, or another substantial article placed against or around an article to prevent horizontal movement of the article.
• A vertical barrier across the front of the deck of a vehicle to prevent forward movement of cargo.
• A crosswise load bearing structural component, particularly a part of a log bunk.
• An inflatable bag intended to fill otherwise empty space between articles of cargo, or between articles of cargo and the wall of the vehicle.

What is the minimum nominal dimension of timber blocking used to secure concrete pipe?

• 8 x 10 in
• Half the diameter of the pipe
• 2 x 4 in
• 4 x 6 in

When using tiedowns for securing cargo, what is the general rule regarding cargo length.

• 1 tiedown for every 5 ft, or part thereof.
• 2 tiedowns for every 10 ft, or part thereof.
• 1 tiedown for every 10 ft, or part thereof.
• 1 tiedown for every 15 ft, or part thereof.

When cargo is prevented from forward movement (for example, by the headboard, bulkhead, other cargo, or tiedown), secure the cargo according to the following requirements:

All Cargo:

1 tiedown for every 10 ft, or part thereof.

When securing a paper roll with a width that is more than twice its diameter, which of the following is not an acceptable method of securement to prevent tipping?

• Brace it.
• Use rear doors to brace it.
• Use tiedowns.
• Band the roll to other rolls.

Situation #1:

• Paper roll is not prevented from tipping by the vehicle structure or other cargo.
• Paper roll width is more than 2 times its diameter.

Solution #1:

• Either band the roll to other rolls.
• Or brace it.
• Or use tiedowns.

To secure paper rolls with eyes horizontal against rearward movement, you can use which of the following except:

• The vehicle wall.
• Friction mats.
• Blocking.
• Other cargo.

To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?

• 1
• 2
• 3
• 5

Special Circumstances: Securing a Cubic-Shaped Boulder

The securement of a cubic-shaped boulder must meet these requirements in addition to the other large boulder requirements in Section 13.

Secure each boulder individually with at least two chain tiedowns placed side-to-side across the vehicle.

Place tiedowns as closely as possible to the hardwood blocking used to support the boulder.

How many tiedowns are required on a stack of shortwood loaded crosswise?

• 2
• 3
• 1
• It depends on the weight

Tiedowns requirements

Use two tiedowns to secure one stack of shortwood loaded crosswise.

Attach the tiedowns to the vehicle frame at the front and rear of the load.

Position tiedowns approximately 1/3 and 2/3 of the length of the logs.

When securing an intermodal container on a chassis, what is the maximum allowable vertical travel when secured?

• 2 1/2 inches
• 1/2 inch
• 1 inch
• 2 inches

What is the minimum WLL of each tiedown used to secure crushed or flattened vehicles?

• It depends on the vehicle
• 2,268 lbs
• 10,000 lbs
• 5,000 lbs

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