SEC Training 2

Requires 3,200+ hours in the scaffold industry

SEC Training 2 Overview:

1. Safety Regulations and Standards

• Worksite safety is governed by provincial OH&S codes and CSA standards, which vary by location.
• Workers must understand hazard assessment, hazard controls, safety plans, and fall protection.

2. Fall Protection Systems

• Fall protection includes passive systems (guardrails, toe boards) and active systems (harnesses, lanyards).
• Employers are responsible for fall protection plans, equipment inspections, and rescue procedures.

3. Scaffold Components and Hazards

• Common hazards include falls from heights, falling objects, electrical-line contact, and unstable bases.

4. Load Support and Structural Components

• Beams, spreader beams, and equalizer beams support loads.
• Connections can be rigid, semi-rigid, or loose.
• Platform support members can be metal, wood, laminated, composite, or fabricated.

5. Ground Conditions and Foundations

• Soil must support scaffold loads, and compacted soil provides stability.
• Topsoil must be removed or stabilized.
• Foundations can include secondary floors, hanging supports, and sloped supports.
• Rolling scaffold casters must be rated and locked.

6. Perimeter and Area Calculations

• Perimeters are calculated by adding side lengths; circles use Pi.
• Areas can be calculated for squares, rectangles, triangles, circles, and cylinders for material estimation.

7. Scaffold Components and Uses

• Side and end brackets extend work platforms but are not for material storage.
• Putlogs create large platforms and require proper hangers and bracing.
• U and J-heads can support bearers without welding.

8. Platform Inspection and Load Testing

• Platforms must be inspected for damage, irregularities, and proper labeling.
• Load testing involves placing weight in the center and measuring deflection.
• More than 1/60 span deflection requires removal.

9. Scaffold Access and Egress

• Safe access includes ladders, stairs, ramps, and walkways.
• Vertical ladders require cages for heights over 3 meters.
• Proper placement, fastening, and regular inspections are essential.

10. Scaffold Ties and Bracing

• Ties anchor scaffolds and resist horizontal loads.
• Bracing provides internal stability through horizontal, vertical, and transverse bracing.

11. Wind Loads and Tie Strength

• Wind causes approximately 10% of scaffold failures.
• Wind effects are greater at scaffold ends and tops.
• Enclosed scaffolds experience increased forces.
• Tie types include box, push-pull, reveal, beam clamp, and guy wires.

12. Scaffold Design and Planning

• Scaffold height, width, and load capacity depend on job requirements and site conditions.
• Comprehensive inspection is required before release.
• Final inspection includes planking, toe boards, tagging, and checking that the scaffold is square, plumb, and stable.

13. System Scaffold Construction

• System scaffolds are pre-engineered and versatile.
• Foundation assessment and following manufacturer specifications are important.
• Base collars, level bases, runners, bearers, wedges, posts, guardrails, platforms, and braces are used during erection.
• A competent person must perform the final inspection.

14. Tube and Coupler Scaffolds

• These scaffolds are versatile and suitable for complex structures.
• Check clamps provide additional security.

15. Complex and Specialty Scaffolds

• Buttresses increase base support.
• Cantilevers extend platforms outside the main structure and require engineering.
• Hanging systems, netting, enclosures, and shoring are specialized scaffold systems.

16. Safety and Load Considerations

• Enclosed scaffolds have increased wind loads.
• Netting and enclosures must be engineered and properly tied.
• Shoring supports concrete formwork and uses specific components for stability and safety.