R 408.10507 Definitions; S.

Rule 507. (1) “Safe surface” means a horizontal surface intended to be occupied by personnel, which is so protected by a fall protection system that it can be reasonably assured that said occupants will be protected against falls. (2) "Safety factor" means a ratio of the breaking strength of a piece of material or object to the maximum designed load or stress that is applied when in use. (3) "Scaffold" means an elevated work platform that is for supporting both employees and materials and that is temporary in nature. (4) “Secondary brake” means a brake designed to arrest the descent of the suspended or supported equipment in the event of an overspeed condition. (5) “Self-powered platform” means a working platform where the hoist or hoists used to raise or lower the platform is mounted on the platform. (6) “Speed reducer” means a positive type speed reducing machine. (7) “Stability factor” means the ratio of the stabilizing moment to the overturning moment. (8) “Stabilizer tie” means a flexible line connecting the building anchor and the suspension wire rope supporting the platform. (9) “Supported equipment” means building maintenance equipment that is held or moved to its working position by means of attachment directly to the building or extensions of the building being maintained. (10) “Suspended equipment” means building maintenance equipment that is suspended and raised or lowered to its working position by means of ropes or combination cables attached to some anchorage above the equipment. (11) “Suspended scaffold”, also known as swinging scaffold, means a scaffold supported on wire or other ropes, used for work on, or for providing access to, vertical sides of structures on a temporary basis. Such scaffold is not designed for use on a specific structure or group of structures.