While the Double CLUTCH TTRS Kit can be deployed in various ways, rescuers who combine kit components in the Double CLUTCH Technique will run a hauling/lowering system that meets current best practices and, minimizes failure risk, offers the potential to reduce the personnel requirements.
This setup allows a single operator to manage both CLUTCH handles simultaneously for simultaneous twin tension control. The Double CLUTCH TTRS Kit includes CMC DNA ANSI Carabiners to align two CLUTCH devices on an anchor plate. If a catastrophic event such as single line failure does occur, the Double CLUTCH Technique is preferable to a traditional slack belay because it prevents 100% load transfer on the slack belay line and thereby limits shock and extension in the system. When two CLUTCH devices are brought together in the Double CLUTCH Technique (aka “Double CLUTCH-ing”), rescuers can maintain nearly equal tension on both lines so that the load, often involving a rescuer, litter, and a victim, is shared across two rope systems, reducing the risk of a single line failure. Additional built-in features of the CLUTCH make it ideal for this kit, including the ratcheting rotating sheave, Anti-Panic brake, force limiting protection, and integrated becket. The smooth, efficient action of the CLUTCH allows rescuers to haul more efficiently and lower with more control. Rescue teams can shoulder their RigTech Packs knowing they have everything they need to quickly and efficiently deploy twin tension rope systems (TTRS). These ready-to-go systems minimize gear sorting and allocation. Rescuers can use these components to build mechanical advantage systems on both 200ft 11mm CMC G11™ Lifelines simultaneously, including a 3:1, 3:1 with the change of direction, or complex 5:1. This kit comes with two color-coded RigTech Packs™ that each carries independent hauling/lowering systems designed to work together in mirrored or nested configurations. United Safety & Survivability Corporation.
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