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  1. #1
    high angle
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    Post Tripods withcable winches or 4:1 mechanical haul systems

    I'm try to get information and options on the type of retrieval systems people are useing with there tripods. Some are using tripod cable winchs. Than some people will only use 4:1 rope systems. What are some of the pros and cons?


  2. #2
    ADSN/WFLD
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    Post

    Our division has decided not to use winches. Their feelings were that you can feel the resistance better with the 4:1 so if you are removing someone and they get stuck you'll be able to "feel" it before hurting him.

    Also the 4:1 can be used for other things, and the winch is basically just for confined space use. Also a haul safe is much less expensive than the winch. If an enterant falls then the winch will catch him but now it has to be sent in to be inspected.(depending on brand, follow manufacturers instructions) With the 4:1 their is no problem with that.

    I would rather go with the 4:1, but if I usually was short manpower then I'd consider a winch.

  3. #3
    Irving Rescue
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    Our Team uses a tri-pod and winch for certain applications, tri-pod and rope systems for others, your needs will vary depending on the type call your on. We are also currently using a ARizona Vortex, with rope system. We have found this is the best tool for the most applications. Go to www.ropesthatrescue.com for more information on the Vortex. If you decide to purchase one , MAKE SURE you recieve adequate training. It is a very specialized tool.

  4. #4
    rsqguru
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    As with all other rescue equipment, training will play a major role in your choice. For industry use, most prefer the winches due to the lack of training the people receive. OSHA only require one training session per year.(1910.146) Therefore, the winch is straight forward with fall arrest and raising capability all in one. With rescue and FD agencies, most utilize rope rescue systems 4:1, 3:1 or compound rope systems. This is in their training realm and they have a comfort level with rope and associated hardware for rescue response.However, don't rule out a combination of both. Lower the rescue via the rope system and use the hand winch to raise both parties if it is rated for the lift. Train with both and use the correct item when the CSR incident happens in your area

  5. #5
    fyrfitr42
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    Post

    Hello,

    If you do purchase a cable-winch-tripod system, be careful. Most of the winches (and tripods) out there are only rated for a one person load. This isn't always bad but it does limit you options and it limits the equipments versitility. There are products out there that have a higher working load. The most important thing that needs to be considered is the types and configuration of the sites your going to be using this equipment at and purchasing your equipment to fit those needs.

    stay safe and remember "gravity never sleeps!"

    ------------------
    ~~John Troyer~~
    -Sedgwick County Fire Dept
    Tech. Rescue Station #37
    Wichita, KS
    -Hutchinson Comm. College
    Tech Rescue Instructor
    fyrfitr42@firehousemail.com

  6. #6
    FIGJAM lutan1's Avatar
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    Post

    Check out UCL.

    They <a href="http://www,uclsafetysystems.com" target="_blank">Unique Concepts Ltd</a>

    They manufacture tripods and davit arms assemblies and using both rope and cable winch systems- I've used them here in Australia and they are excellant!<br /> <img src="wink.gif" border="0">
    Luke

  7. #7
    drc
    drc is offline
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    We have both but have found that the winch is the quickest and takes the fewest people to operate. Three disadvantages we discovered with our 4-1 "haul safe" in conjunction with our DBI Sala tripod are : 1. It reduces the vertical lift distance since you have to hang either the 4-1 or a COD pulley below the tripod head thus you can't lift a stretcher as far above a manhole as you can with the winch. 2. You can easily tip the tripod over by pulling laterally on a haul system. 3. They are awkward for lowering and it's possible to damage the rope if the cam locks up during a rapid descent.

    Having said that the 4-1 is cheaper and more more versatile.

    Either way training and familiarity with your equipment is the key. Good Luck

  8. #8
    FIGJAM lutan1's Avatar
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    I'd have to disagree about the 4:1 being more versatile. Have a good look at the web site and get a demo arranged. You're right that the davit winches from UCL are expensive, but they are well worth it.

    They can do side entry systems, vertical entries, cantilever systems, vehicle mount systems, etc, etc.<br />The good part is that the UCL tripod will accept the winch, or the 4:1 if need be. You can also use the 4:1 on all of the davit arms.

    Definitely pros and cons of each. The problem I've found with davit arms system is that most people don't know how to use it to its full potential.
    Luke

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