OSHA 30 Module 16: Scaffolding

OSHA 30 Module 16: Scaffolding 1. What is the minimum force that mid-rails of guardrails must be able to withstand? Mid-rails of guardrails must be capable of withstanding 150 pounds of force applied at any point in any direction. 2. What type of hazards do toe boards or mesh fencing installed on scaffolding protect workers from? Toe boards or mesh fencing protect workers from falling objects. 3. How many gripping mechanisms must a pump jack scaffold be fitted with to prevent slippage? A pump jack scaffold must have two positive gripping mechanisms to prevent slippage. 4. What is a scaffold defined as? A scaffold is a temporary elevated platform used to support workers and materials. 5. What is the maximum width allowed for a platform in a two-point scaffold? The platform in a two-point scaffold should be no more than 36 inches wide. 6. What is the maximum gap allowed between planks on platforms of supported scaffolds? The gaps between planks on platforms of supported scaffolds should not exceed 1 inch. 7. When can scaffolds not be moved horizontally while employees are on them? Scaffolds should not be moved horizontally while employees are on them unless required outrigger frames are installed on both sides of the scaffold. 8. Is it necessary to limit restriction points and move arms and legs to maintain circulation when suspended in a scaffold? True: To avoid suspension trauma, workers must limit restriction points and move their arms and legs to maintain circulation when suspended. 9. Is climbing cross-braces permitted in scaffolding? No: Climbing cross-braces are strictly prohibited in scaffolding. 10. How is a float scaffold typically supported? A float scaffold is supported by two bearers hung from an overhead support.