NCCER Core Curriculum Module 2 Verified Answers
1. What is the purpose of cross-bracing in a structure? - Cross-bracing consists of braces (either metal or wood) positioned diagonally between the bottom of
one rail and the top of another rail to provide additional support to the structure.
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NCCER Core Curriculum Module 2 Verified Answers
1. What is the purpose of cross-bracing in a structure?
- Cross-bracing consists of braces (either metal or wood) positioned diagonally between the bottom of
one rail and the top of another rail to provide additional support to the structure.
2. How is excavation defined in construction terms?
- Excavation refers to any artificial cut, trench, cavity, or depression in the earth's surface created by
the removal of soil. This can be done for various purposes, including constructing basements or
highways.
3. What does it mean for an area to be guarded?
- An area is considered guarded when it is enclosed, fenced, covered, or otherwise secured by barriers,
rails, covers, or platforms to prevent hazardous contact.
4. What is the function of a hand line in construction?
- A hand line is a cord attached to a tool or object, allowing a worker to pull it back up after climbing a
ladder or scaffold.
5. What defines a lanyard in the context of safety?
- A lanyard is a short piece of rope or strap that connects one end to a worker's safety harness and the
other end to a secure anchor point above their work area.
6. What does the term maximum intended load refer to?
- This term describes the total weight of all individuals, tools, materials, equipment, and loads that a
ladder is designed to safely support at any given time.
7. What is the purpose of a midrail on scaffolding?
- A midrail is a horizontal board positioned at mid-level on all open sides of scaffolds and platforms,
which are more than 14 inches (35 cm) from the structure and higher than 10 feet (3 m) off the ground.
It is placed between the toe-board and the top rail for safety.
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