Petzl Professional 2015 | Page 37

36 Technical rescue Upward and horizontal evacuation in a confined space 1 1. Rescuer hauls the NEST litter in counterbalance on rope clamps. Rescuer regulates the hauling. A third person back-up belays on a second rope. 2. The rescuer below gives slack using a descender. The back-up belayer hauls the NEST litter, allowing it to tilt to a horizontal position with the help of the STEF. 3. Recovery of the NEST by team members. 2 PRO TRAXION I’D RING OPEN PRO STEF ASCENSION NEST 3 I’D petzl.com Find more information on how to use the PRO TRAXION progress capture pulley and I'D descenders in their Instructions For Use and PRODUCT EXPERIENCE supplements, available at www.petzl.com/PROTRAXION and www.petzl.com/ID.