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Thread: Roof rigger mobile suspended user crane - photos

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    Jon
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    Supporting Member Toolmaker51's Avatar
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    Ugh, this means I shouldn't have?
    Did all kinds of industrial piping repair, rented them working for backflow company. Agency provided counterweights based on heaviest guy, and heaviest pipe for the other. Weren't blue though, orange and white. Being assembled in place on rooftop or edge of a pit, no uncommon.
    Didn't feel insecure at all, after first step over the edge. Short of mobile crane or helicopter and sufficient access, this is the only way to place motors, materials and labor safely.
    Last edited by Toolmaker51; Apr 6, 2019 at 10:01 AM.
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    Scotsman Hosie (Apr 6, 2019)

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    Supporting Member Frank S's Avatar
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    I've used them but not to go over the side of a building we used them to lift and lower elevator parts in the shaft. Really handy devices since they can be disassembled into components light enough to be carried by hand. Have a dozen labors carry the parts to the roof then attach an electric roofing materials hoist on it and you can raise up to 400 lbs. of materials at a time Just mount the wheels so it can roll back and forth instead of side to side. and you have the next best thing to having as crane on sight plus you are not out thousands of dollars per day rental for the crane and operator.
    I remember 1 contractor on a 10 story office building that was going over budget decided to have the tower crane removed once the building was topped out and all of the floors were poured. He then leased 20 of those things had them placed on every floor to raise materials until the elevators were installed. in the end it proved to be a wise move as he managed to come in under budget and ahead of schedule. 2 of those machines used in tandem can lift close to a 1000 lbs maybe not as fast as a tower crane but as a sub contractor it was nice not to have to wait your turn.
    Never try to tell me it can't be done
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    Supporting Member Drew1966's Avatar
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    I’ve spent a lot of time working out of a bosuns chair washing windows. I always used a very large water bladder as my anchor on the roof but I can see such a device as this being useful, and quite safe if set up correctly.

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    Scotsman Hosie (Apr 6, 2019)

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    The physics is sound but you would never get me going over the edge. One half of my brain would be saying "Go on you know it is OK" the other half would be screaming "Noooooooo wayyyyyyyyy".

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    Toolmaker51 (Apr 7, 2019)

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    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by tonyfoale View Post
    The physics is sound but you would never get me going over the edge. One half of my brain would be saying "Go on you know it is OK" the other half would be screaming "Noooooooo wayyyyyyyyy".
    Lol, coming from the guy cornering 150 k/ph on a couple square inches of tires. . .
    All due respect Tony. Few of us been able to pursue an avocation in such a professional way.
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    Jon
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    Another "never" from me:


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    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by Jon View Post
    Another "never" from me:

    <video controls autoplay loop>
    <source src="https://s3-us-west-1.amazonaws.com/hmt-forum/workers_disassembling_high_rise_construction_ladder.mp4" type="video/mp4">
    Your browser does not support the video tag.
    </video>
    Never then, will you display such daring-do? To think of the auditory deficit alone!
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    Quote Originally Posted by Drew1966 View Post
    I’ve spent a lot of time working out of a bosuns chair washing windows. I always used a very large water bladder as my anchor on the roof but I can see such a device as this being useful, and quite safe if set up correctly.
    Good plan, in case of a tiny little leak!
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    Looking at the roads and trucks I think they are at some kind of mining operation. I used to work at that kind of stuff. The scaffold system they are using looks like allround scaffold.
    https://layherna.com/wp-content/uplo...rospekt_en.pdf

    We used to have double lanyards so we could always be tied off, safety first and all that.
    Last edited by cmarlow; Apr 17, 2019 at 05:57 PM.

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