PART XI SCAFFOLDS, STAGES AND WORK PLATFORMS — Wood scaffolds
172
(1) Components of a light duty single-pole wood scaffold shall have minimum nominal dimensions conforming to the following table: Component Dimensions Uprights up to 6.10 metres 5.08 by 10.16 centimetres Uprights 6.10 to 15.24 metres 10.16 by 10.16 centimetres Bearers- 91.44 centimetres span 2.54 by 15.24 centimetres Bearers 152.40 centimetre span 5.08 by 15.24 centimetres Ledgers 2.54 by 15.24 centimetres Braces 2.54 by 15.24 centimetres Wall-scabs and bearer blocks 5.08 by 15.24 centimetres Minimum platform width 2-5.08 by 25.4 centimetres Top guardrails 5.08 by 10.16 centimetres Intermediate guardrails 2.54 by 15.24 centimetres Toe-boards 2.54 by 10.16 centimetres
172(2)
Components of double-pole scaffolds shall have minimum nominal dimensions conforming to the following table: Components Dimensions Light duty Heavy duty Uprights to 6.10 metres 5.08 by 10.16 centimetres 5.08 by 15.24 centimetres Uprights 6.10 metres to 15.24 metres 10.16 by 10.16 centimetres 10.16 by 15.24 centimetres Bearers- 152.4 centimetres span 2-2.54 by 15.24 centimetres or 1-5.08 by 15.24 centimetres 2-5.08 by 15.24 centimetres or 1-5.08 by 25.4 centimetres Ledgers 2.54 centimetres by 15.24 centimetres 2.54 by 15.24 centimetres Braces 2.54 centimetres by 15.24 centimetres 2.54 centimetres by 15.24 centimetres Minimum platform width 2-5.08 by 25.4 centimetres 4-5.08 by 25.4 centimetres Top guardrails 5.08 by 10.16 centimetres 5.08 by 10.16 centimetres Intermediate guardrails 2.54 by 15.24 centimetres 2.54 by 15.24 centimetres Toeboards 2.54 by 10.16 centimetres 2.54 by 10.16 centimetres Note: Spacing of building ties Vertical: 4.57 metres Horizontal: 6.10 metres
Not legal advice. Verify the cited article against the signed agreement.