Canada–Nova Scotia Offshore Area Occupational Health and Safety Regulations — 91
Standards 91 (1) Every employer must ensure, in respect of each workplace under its control, that (a) all equipment and machines conform to and are used in accordance with all applicable provisions of CSA Group standard Z432, Safeguarding of machinery ; (b) the starting and stopping controls of all equipment and machines are located within easy reach of the person operating the equipment or machine; (c) all access doors on equipment or machines that expose moving parts when opened are, if feasible, equipped with interlocks that (i) prevent the access door from opening while the moving parts are in motion, or (ii) immediately disconnect the power from the driving mechanism when the door is opened, causing the moving parts to stop and preventing them from restarting until the door is closed; (d) all controls on equipment, machines and devices are (i) clearly marked with their functions in a manner and location that ensures the markings remain visible to the person operating the equipment, machine or device, and (ii) designed, positioned or shielded to prevent inadvertent activation; (e) all insulated equipment and devices are protected against damage to their insulating material; (f) all portable hand-held motor-operated electric tools conform to CSA Group standard C22.2 No. 60745, Hand-Held Motor-Operated Electric Tools – Safety , or CSA Group standard C22.2 No. 62841, Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery – Safety , as applicable; (g) all powder-actuated fastening tools, fasteners and powder loads conform to and are used in accordance with ANSI/American Society of Safety Professionals (ASSP) standard A10.3, Safety Requirements for Powder-Actuated Fastening Systems , except with respect to the required eye protection, which must instead conform to paragraph 46 (f); (h) all power presses conform to and are used in accordance with CSA Group standard Z142, Code for power press operation: Health, safety, and safeguarding requirements ; (i) all electric tools that plug into an electrical receptacle are grounded, unless they (i) have a protective system of double insulation, or (ii) are used in a location where reliable grounding cannot be obtained and are supplied from a double-insulated portable ground fault circuit interrupter of the class A type that conforms to CSA Group standard C22.2 No. 144, Ground Fault Circuit Interrupters , on a 125-volt or 15-, 20- or 30-ampere circuit; (j) all equipment, machines and devices that are a potential source of ignition are, if they are used in an area referred to in subsection 26 (2), rated by their manufacturer as appropriate for use in such an area and used only with control measures in place to minimize the risk of fire or explosion; (k) all hoses that contain a substance under pressure and that are connected to equipment or to a machine or device are equipped with restraining devices as necessary to prevent the hoses’ hazardous movement, including in the event of accidental disconnection; (l) all abrasive blasting or high-pressure washing machines have operating controls that (i) are located near the nozzle, (ii) are hand-operated, and (iii) require continuous pressure by the person operating them to permit the flow of material; (m) all abrasive wheels are (i) inspected by a competent person and determined to be free from defects, cracks or other problems before being installed, (ii) mounted between flanges, (iii) used only on machines that are equipped with machine guards, including, in the case of a bench grinder, a wheel guard and a work rest or other device that, without making contact with the abrasive wheel, prevents the work piece from jamming between the abrasive wheel and the wheel guard, and (iv) used only on machines whose number of revolutions per minute does not exceed the maximum speed rating of the abrasive wheel; (n) all equipment and machines whose operation may cause the ejection of material that may pose a hazard to a