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Runout is the distance from the 'lead climber' to the last point of protection. In any fall, the 'lead climber' will fall at least twice the distance of the runout (and sometimes more if the climbing rope has to flex, or if the belayer does not immediately grip the rope tight and lets more rope 'pay-out'). The greater the runout, the greater ...
Rope rescue is a subset of technical rescue that involves the use of rope, be it steel or cable rope, or more commonly used nylon, polyester, or other type of rope. Kernmantle (kern = core and mantle = sheath) rope as it is called, is available in various types: dynamic (stretches to absorb the shock of a falling lead climber or rescue ...
If the fallen climber can move and has prussik knots and/or ascenders, then they can jumar up the now fixed rope and effectively perform a self-rescue to the surface. [7] Where the fallen climber is unable to do this due to injury, being constrained by the crevasse walls, or lack of skill and equipment, then the other climber(s) will have to ...
A test of "single" standard rope involves tying an 80 kg (176 pound) weight to the end of a length of rope. This weight is then dropped 5 meters (16½ feet) on 2.7 meters (9 feet) of rope, with the rope running over a rounded surface simulating that of a standard carabiner. This process is repeated until the rope breaks.
One of the most popular devices, a Grigri, when properly used, assists in braking the rope with a camming device that clamps the rope in the event of a fall. Because of the braking mechanism, modified belay techniques are widely used, though Petzl, the device's manufacturer, has approved only certain techniques for instructing new belayers.
A video on the importance of fall protection in occupational settings. A fall arrest harness is the equipment which safely stops a person already falling. A window cleaner who can be working up high on buildings need to use harnesses to keep them from falling many stories if they slip. That is the most common safety harness.