S-2.1, r. 4 - Safety Code for the construction industry

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3.9.26. Bracket scaffolding: Every bracket scaffolding must:
(1)  be designed in conformity with plans signed and sealed by an engineer; a copy of the plans must be available on request; and
(2)  undergo every 5 years a non-destructive examination, other than a visual examination, of its welds by an organization certified by the Canadian Welding Bureau in compliance with the requirements of CSA Standard W178.1 Certification of Welding Inspection Organizations.
O.C. 606-2014, s. 14.