PART VIII MACHINERY AND EQUIPMENT — Restricted work zones
125
(1) Where abrasive blasting or a similar operation is conducted outside a structure, the process shall be restricted to a work zone which is identified by warning signs or similar means as a contaminated area.
125(2)
Only a properly protected worker who is necessary to perform the work shall be permitted inside an enclosure or a restricted work zone where abrasive blasting or a similar operation is conducted.
Not legal advice. Verify the cited article against the signed agreement.