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The platform in a two-point scaffold should be no more than _____ inches wide. |
36 |
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Toe board or mesh fencing installed on scaffolding protects workers below the scaffolding from what hazards? |
falling objects |
|
The mid-rails of guardrails must be capable of withstanding how many pounds of force applied at any point, in any direction? |
150 |
|
After a fall, a suspended worker must keep his arms and legs moving to keep circulation going and avoid Orthostatic Intolerance. |
True |
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The gaps between planks on the platforms of supported scaffolds should not exceed _____. |
1 inch |
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An outrigger is the structural member of a supported scaffold used to perform what function? |
Increase its base width |
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When is climbing cross-braces permitted? |
it is strictly prohibited |
|
What is a scaffold? |
A temporary elevated platform used to support workers and/or materials |
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How is a float scaffold supported? |
By two bearers hung from an overhead support |
|
A pump jack scaffold must be fitted with two ______ gripping mechanisms to prevent slippage. |
Positive |
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