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

Special Circumstances: Securing Pipe with an Inside Diameter Up to 1.143 mm (45 in)

Concrete pipe with an inside diameter up to 1.143 m (45 in) can form a complete single tier on a typical flatbed vehicle. Larger pipe often can only be carried as a partial tier.

Note: This pipe diameter of 1.143 m (45 in) is simply a convenient breaking point between "medium" and "large" diameter pipe.

Note: At least one tiedown through the front pipe of the bottom tier must run rearward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, when ever practical.

At least one tiedown through the rear pipe of the bottom tier must run forward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, when ever practical.

Requirements for stabilizing the bottom tier

Arrange the load properly

Immobilize the front and rear pipe with on of the following elements.
  • Blocking
  • Wedges
  • Vehicle end structure
  • Stakes
  • Locked pipe unloader
  • Other equivalent means
Tiedown requirements
  • Pipe may be secured individually or as a group.
  • Tiedowns through the pipe must be chains.
  • Front-to-back tiedowns may be chain or wire rope.
Individually

Run a tiedown though the pipe.

As a group

Place lengthwise tiedowns over the group of pipes:

Either one 13 mm (1/2 in) chain or wire rope,

Or two 10 mm (3/8 in) diameter chain or wire rope

Place one crosswise tiedown for every 3.0 m (10 ft) of load length.

Either attach the side-to-side tiedown through a pipe

Or pass the tiedown over both front-to-back tiedowns between two pipes on the top tier.

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...

When securing concrete pipe up to 45 inches loaded crosswise, tiedowns through the pipe must be:
  • Nylon rope.
  • Wire.
  • Chains
  • Straps.

Quote From The CDL Manual:

Tiedown requirements
  • Pipe may be secured individually or as a group.
  • Tiedowns through the pipe must be chains.
  • Front-to-back tiedowns may be chain or wire rope.
Next
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group,lengthwise tiedowns should be either one 1/2 in chain or wire rope, or:
  • Two 1/4 inch chains or wire ropes.
  • Two 3/8 inch chains or wire ropes.
  • Two nylon straps with aggregate WLL of 50% the weight of the load.
  • One 3/8 inch chain or wire rope.

Quote From The CDL Manual:

As a group

Place lengthwise tiedowns over the group of pipes:

Either one 13 mm (1/2 in) chain or wire rope,

Or two 10 mm (3/8 in) diameter chain or wire rope

Prev
Next
Concrete pipe loaded crosswise generally:
  • Note: At least one tiedown through the front pipe of the bottom tier must run rearward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, when ever practical.
  • All of these things apply.
  • Concrete pipe with an inside diameter up to 1.143 m (45 in) can form a complete single tier on a typical flatbed vehicle. Larger pipe often can only be carried as a partial tier.
  • At least one tiedown through the rear pipe of the bottom tier must run forward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, when ever practical.

Quote From The CDL Manual:

Special Circumstances: Securing Pipe with an Inside Diameter Up to 1.143 mm (45 in)

Concrete pipe with an inside diameter up to 1.143 m (45 in) can form a complete single tier on a typical flatbed vehicle. Larger pipe often can only be carried as a partial tier.

Note: This pipe diameter of 1.143 m (45 in) is simply a convenient breaking point between "medium" and "large" diameter pipe.

Note: At least one tiedown through the front pipe of the bottom tier must run rearward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, when ever practical.

At least one tiedown through the rear pipe of the bottom tier must run forward at an angle not more than 45 with the horizontal when viewed from the side of the vehicle, when ever practical.

Prev
Next
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group, a crosswise tiedown should be used every how many feet?
  • 15
  • 6
  • 10
  • 3

Quote From The CDL Manual:

As a group

Place lengthwise tiedowns over the group of pipes:

Either one 13 mm (1/2 in) chain or wire rope,

Or two 10 mm (3/8 in) diameter chain or wire rope

Place one crosswise tiedown for every 3.0 m (10 ft) of load length.

Either attach the side-to-side tiedown through a pipe

Or pass the tiedown over both front-to-back tiedowns between two pipes on the top tier.

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

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