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 force required to raise a …
Pulley system efficiency tests with MAESTRO, I’D S, PRO TRAXION, ROLLCLIP… Read More »
The MAESTRO, I’D or RIG descenders can be used in parallel in rescue situations, mainly with long rope lengths and smaller rescue teams. This technique enables a single user to simultaneously operate two devices. Advantages Even sharing of the load on the descenders Reduced potential extension of the system, in case one of the …
Two MAESTRO, I’D or RIG (used in parallel by a single operator) Read More »
Highline Overview: A Case Study Being prepared (prepped), is not an option in the field of rescue nor in the field of rigging for rescue. It’s THE key to either locking up or unlocking opportunities and options. Not being appropriately prepared is a leading cause of failure. NFPA 1670 stated the following: “The AHJ shall …
Okay. We’re here with Davis County search and rescue. We have a training scenario and we have some… A little bit of snow today. We have an injured hiker that’s fallen over the edge of this cliff here. We’re going to send a rescuer over the edge on a two-tension rope system. We’re using a …
Petzl Rescue Solutions And Petzl Technical Institute – The Spin Pulley Series Part 3 Read More »
In recent years, compact, lightweight pulleys have been used in tree care, tower work, construction, technical rescue, and a host of other applications. As you can see over the years, a variety of different designs and features have been developed, but for technical rescuers who have to rig life safety loads, the openable swivel pulley …
Petzl Rescue Solutions And Petzl Technical Institute – The Spin Pulley Series – Part 2 Read More »
Hello and welcome to Petzl America. I’m Steve Petty and I’m here in Salt Lake City, Utah at our North American headquarters and distribution center. We hope this live event will educate and inform you about our rescue products, including our new Spin line of pulleys. I’m happy to announce we have a number of …
Petzl Rescue Solutions and Petzl Technical Institute – The Spin Pulley Series – Part 1 Read More »
Let’s review some of the basic concepts starting with a term you’re going to hear a whole bunch: resultant. Resultant is a very important term when you work with a high directional. Defining a resultant is what determines if your high directional is going to be stable or not. So when we say resultant, the …
Two Rope Tension System A-Frame Resultant Insight, Part 1 Read More »
Highlighting the vast expanse of elevated working platforms! On many worksites, getting the job done comes down to accessing the inaccessible. This can be done using rope techniques, but it is also sometimes possible using an aerial work platform. Today, we’ll discover more about Loc’Nacelle, a French company based in Péronas. They’ve specialized in this …
AERIAL WORK PLATFORMS: ANOTHER WAY TO WORK AT HEIGHT Read More »
Thank you Loui McCurley and PMI “A belay is a standard operating procedure” The topic of belay in co-worker-assisted rescue is one that tends to get people worked up, perhaps because so many of us have roots in professional rescue such as fire departments and rescue teams. A belay is a standard operating procedure in …
Thank you Loui McCurley and PMI for this 3 Part Series “Unless you are a fire department, NFPA is probably not the right resource to guide you” On the topic of standards and regulation, sometimes people look to NFPA 1983 for guidance in selecting a harness for rescue. Unless you are a fire department, NFPA …
DOES OSHA PERMIT ROPE RESCUERS TO USE A SEAT-ONLY HARNESS? | PART 3 Read More »
