Review Questions - Click On The Picture To Begin...
Methods of securing building materials against forward motion include:
- Using tiedowns.
- Placing bundles against the bulkhead or front end.
- Employing blocking equipment.
- These are all valid methods.
Quote From The CDL Manual:
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Option #1
Place bundles against bulkhead/front end structure.
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Option #2
When different tiers need to be secured, use a combination of blocking equipment and tiedowns.
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When securing building materials, spacer requirements include all of the following except:
- Spacers must provide good interlayer friction.
- The length of spacers must provide support to all pieces in the bottom row of the bundle.
- 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 height of each spacer must be equal or greater than the width.
Quote From The CDL Manual:
Spacer Requirements
- The length of spacers must provide support to all pieces in the bottom row of the bundle.
- The width of each spacer must be equal or greater than the height.
- Spacers must provide good interlayer friction.
- 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.
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High friction securement devices include:
- Cleated mat
- Piece of wood with friction surface
- Friction mat
- These can all be used for securement.
Quote From The CDL Manual:
High Friction Devices
- Friction mat
- Piece of wood with friction surface
- Cleated mat
- Other specialized equipment
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When securing building materials, how many tiedowns are required for top tier bundles longer than 5 ft?
- 2
- 0
- 1
- It depends on weight
Quote From The CDL Manual:
Tiedowns over the top tier of bundles with a minimum of 2 tiedowns over each top bundle longer than 1.52 m (5 ft).
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