Petzl Professional 2015 | Page 35

34 TECHNICAL RESCUE Technical rescue teams intervene in particularly difficult or dangerous situations. Intensively trained and taught, they operate in any environment. These specialists master all the progression and belay techniques on rope. • Downward evacuation takes advantage of gravity, applying different techniques determined for specific types of terrain • Upward evacuation is a team effort and requires perfect coordination by everyone involved. It demands techniques which are sometimes particularly complex: hauling with a mechanical winch, creating a hauling system built from lightweight pulleys, using counterweight techniques... • Tyrolean evacuation is used for difficult locations: urban or industrial sites, confined spaces, canyons... • Evacuation by helicopter: this technique is used when accessing the victim is difficult or remote, or when the situation is very urgent. Its implementation relies on specific devices NEW 2015 PRO Openable even when attached to the anchor, the PRO pulley is designed for maximum simplicity when setting up hauling or load deviation systems. The side plate that locks under load, the largediameter sheave and the high efficiency sealed ball bearings make a pulley that is well suited for handling heavy loads.