A WINE CELLAR UNLIKE ANY OTHER Professionals may have their daily routine, but there are definitely those projects that stand out head and shoulders above the rest for their originality. The company Besson Michel worked on one of these projects, digging a wine cellar designed specifically for only the most…

There can be a big difference between the theoretical efficiency of a pulley system and its actual efficiency. Here are test results from the Petzl lab. From Gear In Use 4: Rope Access and Confined Space 1. Efficiency depending on the device used at the head of the system. The…

The I’D EVAC is a self-braking descender/belay device with the handle oriented to facilitate use on the anchor. Lowering with I’D attached to an anchor From Gear In Use 4: Rope Access and Confined Space With the I’D on the anchor, a person can be lowered to a workstation, or…

What is the best way to use The Vortex Guidebook? “Specialized training and experience in technical rigging is absolutely essential for safety use. This manual/guidebook is not a substitute for hands-on training, but it will accelerate it beyond your wildest dreams”. What You’ll Learn Inside this demonstration, we’ll cover topics…

Mechanical Advantage Overview Mechanical Advantage is a measure of the force multiplication achieved by using a tool. In most cases, this involves using pulleys, but that isn’t always the case. The purpose is to show how we can achieve more work with less people AND that sometimes having more people…

Excerpt from Gear In Use 2: Technical Rescue Inert suspension in a harness, even for a short time, can cause serious physiological harm. In case of an accident, it is important to intervene quickly with the appropriate technique. Self-rescue On sites where the main access could be cut off by…