Podcast
Questions and Answers
What is the purpose of diagonal braces in a scaffold?
What is the purpose of diagonal braces in a scaffold?
Why should decayed lumber not be used in wooden scaffolding?
Why should decayed lumber not be used in wooden scaffolding?
What is the purpose of cleats in a scaffold?
What is the purpose of cleats in a scaffold?
Why is it important to avoid long protruding platforms beyond the supports in scaffolding?
Why is it important to avoid long protruding platforms beyond the supports in scaffolding?
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What should be done to prevent overhanging platforms from breaking or tipping off?
What should be done to prevent overhanging platforms from breaking or tipping off?
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Which part of a scaffold holds the lower portion of the legs or upright support of the structure?
Which part of a scaffold holds the lower portion of the legs or upright support of the structure?
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What is the purpose of a walk through scaffolding frame?
What is the purpose of a walk through scaffolding frame?
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What component is included in the walk through scaffolding frame described in the text?
What component is included in the walk through scaffolding frame described in the text?
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What is the purpose of cross braces in a metal scaffold?
What is the purpose of cross braces in a metal scaffold?
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What type of scaffold frame is described as having a climbing ladder on one side?
What type of scaffold frame is described as having a climbing ladder on one side?
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What is the height of the double step masonry end frame mentioned in the text?
What is the height of the double step masonry end frame mentioned in the text?
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What component of a metal scaffold is used to provide a walking surface for workers?
What component of a metal scaffold is used to provide a walking surface for workers?
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Study Notes
Parts of a Portable Scaffolding
- Outrigger: holds the platforms
- Uprights or Posts: support the structure
- Platforms: raised floors used by workers
- Diagonal Braces: prevent lateral movements of the scaffold
- Cleats: fixed to support outriggers
- Horizontal Support: holds the lower portion of the legs or upright support
Safety Rules in the Construction of Wooden Scaffolding
- Use strong lumber for the scaffolding
- Avoid decayed lumber or lumber with knots, wind shakes, and splinters
- Properly brace the uprights to prevent lateral movement
- Nail all platforms to their supports
- Avoid long protruding platforms beyond the supports
- Place enough support for the platform
- Properly secure the supports of the bracket and cantilever scaffolds
Types of Metal Scaffolds
- Walk-through Scaffolding Frame: 6.5 feet high, 5 feet wide, open type, walk-through scaffolding end frame
- Masonry Walk-through Ladder Frame: 6.5 feet high, 5 feet wide, with climbing ladder on one side
- Standard Masonry End Frame: 5 feet high, 5 feet wide, single ladder
- Double Step Masonry End Frame: 4’.6” high
Parts of a Metal Scaffold
- Frame: the skeletal structure of a scaffold
- Cross Braces: diagonal braces fixed to avoid lateral movement of the structure
- Platform: the horizontal plank or board on top of the frame
- Castor: an accessory used in fitting the parts of a scaffold
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Description
Test your knowledge on the different components of a portable scaffolding, such as outriggers, uprights, platforms, diagonal braces, cleats, and horizontal supports. Also covers safety rules in the construction of wooden scaffolding.
