31.1. Suspended scaffolding: Any suspended scaffolding shall be used with a full body harness secured to an anchorage system by a fall arrest connecting device in accordance with section 347. Where the suspended scaffolding is hung from 4 hoisting cables, the anchorage system may be installed on the platform.
The suspended scaffolding shall comply with CAN/CSA Standard Z271 Safety Code for Suspended Platforms and be used in accordance with CAN/CSA Standard Z91 Health and Safety Code for Suspended Equipment Operations. These 2 standards are those applicable on the date of manufacture of the scaffolding.
Where a rope grab fastened to a vertical lifeline is used, it shall have a feature that prevents the sliding of the rope grab along the lifeline should it be grabbed in a panic during a fall.