18 Questions
What is a scaffold?
An elevated temporary work platform and its supporting structure
Which type of scaffold is hung with cord from the ceiling or top of a structure?
Supported scaffold
What is the main risk associated with falls from elevation on scaffolds?
Unsafe access and lack of fall protection
Which type of scaffold collapse is often caused by instability or overloading?
Supported scaffold
What is the purpose of guardrails on a scaffold?
To prevent falls from the front edge of the platform
What should be the height of the top rail on guardrails according to safety standards?
Between 38 and 45 inches
What is the minimum height requirement for ramps and walkways to have guardrails?
6 feet
Which of the following statements about scaffold platform construction is correct?
Platforms must be fully planked
What must scaffold poles, legs, posts, frames, and uprights be placed on?
Base plates and mud sills or other firm foundations
What type of barricade is used to identify and protect personnel from general hazards and high-risk situations?
Soft barricades
What is the purpose of a solid barricade?
To provide a physical barrier capable of performing the same function as a permanent guardrail
Which of the following components must have guys, ties, and braces installed to provide restraint?
Horizontal scaffold components that support both inner and outer legs
What is the purpose of caution barricades?
To inform personnel of an uncontrolled hazard within the barricaded area
Which type of barricade is used to prevent access to electrical hazards?
Electrical work barricades
What is the minimum requirement for barricades installed on roadways?
They must remain in place during hours of darkness
When should barricades be removed according to the procedure?
Once they are no longer required
What type of sign should be used for construction work areas?
Danger - Construction work area signs
Who is responsible for ensuring the maintenance of barricades?
All of the above
Test your knowledge about scaffolds, including the types such as supported, suspended, and aerial lifts. Learn about the risks associated with scaffolds, such as falls from elevation.
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