Scaffold structure:

• Hazards and risks for people who erect.
• The intended use of the scaffold.
• The foundations including ground conditions.
• Resulting from the size and weight of the scaffold
• Bracing, tying and anchor
• The load bearing capacity of the surface.
• Supporting structures.
• Protection against falls
• Safe entry and exit.
•  Improved scaffold stability may be achieved 
• Containment sheeting
• The intended use of the scaffold.
• Tying the scaffold to a supporting structure.
• Guying to a supporting structure.