Driver's Handbook on Cargo Securement - Chapter 7: Concrete Pipe Loaded Crosswise

What Does This Section Cover?

The specific requirements for concrete pipe apply to the transportation of certain concrete pipe loaded crosswise on a platform trailer or vehicle.

What is exempt from these specific requirements?

Follow general cargo securement requirements (Section 2) when transporting the following pipe:

  • Concrete pipe that is grouped together into a single rigid article and may not roll.
  • Concrete pipe loaded in a sided vehicle or container.
  • Concrete pipe eyes vertical and concrete pipe loaded lengthwise.
What is covered under these specific requirements?

Any concrete pipe loaded crosswise on a platform trailer or vehicle that is not exempt.

Securing Concrete Pipe

To make sure that concrete pipe does not roll or slide:

Load pipe as compactly as possible.

Immobilize symmetrically stacked pipes by securing them in groups.

Use blocking systems and tiedowns to increase the effect of friction.

General tiedown requirements

The aggregate working load limit of all tiedowns on any group of pipe must be more than half the total weight of all pipes in the group.

Run a properly tensioned tiedown through a pipe in an upper tier or over lengthwise tiedowns. It will secure all the pipe beneath it on which the tiedown causes pressure.

Blocking requirements

Blocking must prevent the pipe from rolling or rotating.

Blocking may be one or more pieces placed at equal distances from the center of a pipe

There are two blocking options:

Blocking Option #1

Place one piece of blocking so that it extends at least half the distance from the center to each end of the pipe.

Blocking Option #2

Place two pieces of blocking at the outside quarter points.

Blocking must be:

  • Placed against the pipe
  • Secured to prevent it from moving out from under the pipe.

Timber blocking must have a minimum nominal dimension of 10 x 15 cm (4 x 6 in).

CDL:

Commercial Driver's License (CDL)

A CDL is required to drive any of the following vehicles:

  • Any combination of vehicles with a gross combined weight rating (GCWR) of 26,001 or more pounds, providing the gross vehicle weight rating (GVWR) of the vehicle being towed is in excess of 10,000 pounds.
  • Any single vehicle with a GVWR of 26,001 or more pounds, or any such vehicle towing another not in excess of 10,000 pounds.
  • Any vehicle, regardless of size, designed to transport 16 or more persons, including the driver.
  • Any vehicle required by federal regulations to be placarded while transporting hazardous materials.

OWI:

Operating While Intoxicated

Review Questions - Click On The Picture To Begin...

What is the minimum nominal dimension of timber blocking used to secure concrete pipe?
  • Half the diameter of the pipe
  • 2 x 4 in
  • 8 x 10 in
  • 4 x 6 in

Quote From The CDL Manual:

Blocking must be:

  • Placed against the pipe
  • Secured to prevent it from moving out from under the pipe.

Timber blocking must have a minimum nominal dimension of 10 x 15 cm (4 x 6 in).

Next
What is the minimum aggregate WLL of all tiedowns in a group of concrete pipe?
  • 80% of the total weight of all pipes in the group.
  • It depends on the size of the pipe.
  • More than 50% of the total weight of all pipes in the group.
  • 5,000 lbs.

Quote From The CDL Manual:

General tiedown requirements

The aggregate working load limit of all tiedowns on any group of pipe must be more than half the total weight of all pipes in the group.

Prev
Next
Within the requirements for concrete pipe, which of these requires specific securement methods?
  • Concrete pipe that is grouped together into a single rigid article and may not roll.
  • Concrete pipe loaded in a sided vehicle or container.
  • Concrete pipe loaded cross-wise on a flatbed trailer.
  • Concrete pipe eyes vertical and concrete pipe loaded lengthwise.

Quote From The CDL Manual:

What is exempt from these specific requirements?

Follow general cargo securement requirements (Section 2) when transporting the following pipe:

  • Concrete pipe that is grouped together into a single rigid article and may not roll.
  • Concrete pipe loaded in a sided vehicle or container.
  • Concrete pipe eyes vertical and concrete pipe loaded lengthwise.
What is covered under these specific requirements?

Any concrete pipe loaded crosswise on a platform trailer or vehicle that is not exempt.

Prev
Next
What is the minimum aggregate WLL for a group of concrete pipe weighing 16,000 lbs?
  • 5,000 lbs
  • 8,001 lbs
  • 7,999 lbs
  • 10,000 lbs

Quote From The CDL Manual:

General tiedown requirements

The aggregate working load limit of all tiedowns on any group of pipe must be more than half the total weight of all pipes in the group.

Prev
Finish
Please select an option
[4,3,3,2]
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