What is a Scaffold?
A scaffold is a temporary elevated platform and its supporting structure used for supporting workers or materials or both. There are three basic types of scaffolds: Supported, Suspended, and Other Scaffolds.
Supported Scaffolds:, which consist of one or more platforms supported by rigid, load-bearing members. Examples include:
Supported Scaffold
- Frame scaffolds
- Tube and coupler scaffolds
- System scaffolds (e.g., modular scaffolds)
- Bricklayer’s scaffolds (single scaffolds)
- Mason’s scaffolds (double scaffolds)
- Wooden pole scaffolds
Suspended Scaffolds: These scaffolds consist of one or more platforms suspended by ropes or other non-rigid, overhead supports. Examples include:
Suspended Scaffold
- Two-point (swing) suspension scaffolds
- Single-point suspension scaffolds
- Multi-level suspension scaffolds
- Needle-beam scaffolds
Other Scaffolds: These scaffolds are less common or specialized for unique tasks. They are sometimes thought of as vehicles or machinery, but can be regarded as another type of supported scaffold.
Other Scaffolds
- Mobile scaffolds (rolling scaffolds)
- Outrigger scaffolds
- Aerial lifts (e.g., scissor lifts, boom lifts)
- Trestle scaffolds
- Ladder jack scaffolds
- Pump jack scaffolds
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1-2. What are the three basic types of scaffolds?
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