Carpentry 1 - Ladders & Scaffold

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What is the primary hazard when using a ladder?

Falling
What 4 factors determine the ladder you choose for a job?
- 1. Type of project
- 2. Height
- 3. Mobility
- 4. Task
Which step-ladder may be used by 2 workers at the same time?

Double step-ladder
Can plywood be used as a rung material in the fabrication of a construction ladder?

NO
What is the minimum width and how many rails are required for a two way construction ladder?
- Minimum: 1 metre
- 3 rails evenly spaced
Which type of material is best suited for working near electricity or overhead powerlines

fibreglass
An extension ladder should be set a which angle to a wall?

4 to 1 or 75 degrees
What is the highest safe standing ladder on a step ladder

Second step from the top
What color should a wood ladder be painted?

They shouldnt'! Unless it is a clear protective coat -- where you can see any distress in the wood.
List 5 factors to consider when choosing correct scaffold for a job.
- 1. Task it will be used for
- 2. Where it will be used/terrain
- 3. What will happen around it
- 4. How long
- 5. What load
What is the most widely used scaffold system?

Frame scaffold
Which part of the scaffold system must be matched to site conditions?

The Base.