Login
Join Rigging Lab

Two Tension Rope System

Written By: Lance Piatt

Two Tension Rope System

Recommended Rope Systems: Two-Tension Rope System (TTRS) for Raise and Lower Operations

In the world of technical rope rescue, the Two-Tension Rope System (TTRS) has emerged as a preferred setup for raising and lowering operations. By sharing the load equally between two ropes, TTRS enhances stability, redundancy, and overall system efficiency, making it an invaluable tool for rescue teams and technical operations.

System Benefits Maestro
• load is distributed between two systems, reducing force concentration on any one component
• in the event of a line failure, the amount of load
transferred to the remaining line is approximately
half of the total load, thus minimizing the drop
distance and arresting force
• rigging is the same for both sides of the system,
reducing the complexity of training and
operations		 • AUTO-LOCK function automatically locks the
rope when the handle is not in use
• integrated progress-capture pulley for increased
hauling efficiency
• audible clicking sound during haul mode
indicates that rope is in motion

 

Two-Tensioned Rope System – Lower
A Two-Tensioned Rope System shares the load between two ropes, both under tension.
Each system is capable of functioning as both mainline or back-up to the other line.

System

System Benefits Maestro
• load is distributed between two systems, reducing force concentration on any one component
• in the event of a line failure, the amount of load transferred to the remaining line is approximately half of the total load, thus minimizing the drop distance and arresting force
• rigging is the same for both sides of the system, reducing the complexity of training and operations		 • AUTO-LOCK function automatically locks the rope when the handle is not in use
• one-directional faceted sheave and auxiliary brake provide optimal friction control
• ergonomic handle and integrated brake allow for comfortably controlled descents

Understanding the Two-Tension Rope System (TTRS)

The TTRS configuration involves two ropes under equal tension, working in tandem to manage the load. Unlike traditional main-and-belay systems, TTRS ensures that both ropes bear the load simultaneously, reducing the strain on individual components and minimizing the risk of catastrophic failure.

Key Benefits of TTRS for Raise and Lower Operations

  1. Increased Redundancy: With both ropes sharing the load, TTRS provides a built-in safety net. If one rope fails, the other continues to support the load.
  2. Enhanced Load Stability: Equal tension across both ropes minimizes movement and sway, ensuring smoother and safer operations.
  3. Reduced Force on Anchors: By distributing the load, TTRS reduces the overall stress on anchor points, preserving their integrity during critical operations.
  4. Simplified Transitions: The system seamlessly switches between raising and lowering, making it ideal for dynamic rescue scenarios.

TTRS Setup: Raise and Lower

Components Needed:

  • Two Independent Rope Systems: Both ropes must meet safety standards for load-bearing and durability.
  • Tensioning Devices: Examples include the CMC MPD, Petzl I’D, or Clutch to ensure smooth and controlled operations.
  • Anchors: Secure, redundant anchor points to support the system.
  • Load Monitoring: Devices like load cells to measure and adjust tension on each rope.

Step-by-Step Guide:

  1. Anchor Setup: Establish two independent anchor points, ensuring they can handle the combined forces from the ropes.
  2. Attach Devices: Secure tensioning devices to both ropes and anchors. Confirm they are correctly aligned for raising and lowering.
  3. Equalize Tension: Use manual or mechanical tensioning systems to balance the load evenly across both ropes.
  4. Test the System: Before applying the load, test the system under controlled conditions to verify stability and functionality.
  5. Operate the System: Coordinate team members to raise or lower the load while monitoring tension and load distribution.

Real-World Applications of TTRS

Confined Space Rescue

TTRS excels in confined spaces where precise control and minimal sway are critical for lowering and raising individuals or equipment.

High-Angle Rescues

In steep or vertical environments, TTRS provides the stability needed to manage heavy loads and secure edge transitions.

Industrial Rope Access

The redundancy and load-sharing capabilities of TTRS make it an excellent choice for industrial settings requiring heavy lifting and lowering.

Best Practices for TTRS Operations

  • Pre-Operation Checks: Ensure all components are inspected and free of wear or damage.
  • Load Monitoring: Continuously monitor tension and load distribution to prevent imbalances.
  • Team Coordination: Communicate clearly among team members to ensure synchronized operations.
  • Regular Training: Familiarize the team with TTRS setup and operation through regular drills and practice sessions.

Recommended Gear for TTRS

Conclusion

The Two-Tension Rope System (TTRS) offers unmatched versatility and safety for raising and lowering operations. By distributing the load and providing built-in redundancy, TTRS enhances the efficiency and reliability of technical rope rescue and industrial applications. Equip your team with the knowledge and tools to master TTRS and take your operations to the next level.

Peace on your Days

Lance
Categories

About The Author:

Picture of Lance Piatt

Lance Piatt

Beginning his career in the rescue and rigging world as a “blue collar” SAR member with Deschutes and Jefferson County teams. Lance Piatt owns and operates Red Ibex Solutions, a sales and marketing wheelhouse blending rope rigging education and exquisite imagery with equipment knowledge and understanding; housing Rigging Lab Academy and Rescue Response Gear… Lance is producing high-end video education, working with several experts and instructors to produce unique series of “how to videos” and courses for rope rigging: Such as; the first ever full-length rescue training DVD, 'Tower Rescue', released in fall of 2005. As well as a series of scenario-based rescues ranging from cave rescue to cliff rescue.

43 thoughts on “Two Tension Rope System”

  2. adult-webcam-singels.com

    155598 647225Soon after examine a couple of with the weblog posts within your site now, and I truly like your manner of blogging. I bookmarked it to my bookmark site list and may possibly be checking back soon. Pls take a look at my website as effectively and let me know what you believe. 750145

  19. unsaphcap

    Taking two ED pills, even if they work slightly differently, can cause a multitude of problems, and we re sorry to report that none of them will be a doubling in size of your member priligy dosage In addition, check whether the ED pill delivery service that you re considering charges a membership fee, consultation fee, or shipping costs

  22. Doova

    Тайское средство для роста бровей и ресниц Genive стимулирует кровообращение, приток кислорода и питательных веществ к волосяным фолликулам, и в результате реснички становятся более длинными, густыми, выглядят толще и темнее. делает ресницы заметно толще и пушистее; Выберите какие новости Вам интересны Объем 10 мл, средство для роста ресниц Genive очень экономично расходуется, флакона хватает на долгое время. Можно использовать и перед нанесение макияжа, так как препарат не утяжелит ресницы и брови. Объем 10 мл, средство для роста ресниц Genive очень экономично расходуется, флакона хватает на долгое время. Сыворотка для роста ресниц и бровей Genive – это уникальное средство, которое создано на основе натуральных, природных компонентов. Активно стимулирует кровообращение, обеспечивает дополнительный приток кислорода и необходимых питательных веществ к волосяным луковицам. Стимулирует рост крепких, густых, толстых и длинных ресничек и предотвращает их выпадение. https://bravo-wiki.win/index.php?title=Активная_сыворотка_для_ресниц_eveline_3в1_отзывы Микротоковым массажером Marasil рекомендуют пользоваться после 30 лет. Устройство помогает бороться с пигментными пятнами, устраняет мимические морщины, в целом повышает упругость кожи. Для максимального эффекта нужен крем сыворотка, улучшает воздействие масок (впитываются быстрее). 2 скорости работы, USB-зарядка в комплекте. Зачем идти куда-то, когда вы можете улучшить свои лицевые ткани и получить свечение, которое вам нужно дома с помощью микротоковых машин. Дерматологи и специалисты по красоте объяснили, как машина посылает нежный воздух в кожу и лицевые ткани, позволяя мышцам стимулировать выработку коллагена. Они помогли нам определить топ-10 лучших микротоковых аппаратов, которые мы перечислили ниже. Bio Wave считается эффективным массажером: воздействуя на кожу лица при помощи двух электродов, аппарат в считанные дни устраняет мимические морщины, подтягивает контур и выравнивает цвет лица. Клетки кожи становятся более активными, кровь циркулирует лучше и снижаются мышечные спазмы.

  35. nationwide cardiff

    Hello! I could have sworn I’ve been to this site before but after going through a few of the articles I realized it’s new to me. Anyhow, I’m certainly delighted I stumbled upon it and I’ll be bookmarking it and checking back frequently!

  38. porn

    Spot on with this write-up, I honestly believe this website needs a great deal more attention. I’ll probably be returning to see more, thanks for the information!

  40. Read More Here

    An outstanding share! I have just forwarded this onto a colleague who had been conducting a little homework on this. And he in fact ordered me breakfast simply because I found it for him… lol. So let me reword this…. Thanks for the meal!! But yeah, thanks for spending the time to talk about this subject here on your web site.

Comments are closed.

Helpful Links

Courses