large removal accident

This doesn't make alot of sense. You were winding the GRCS handle without looking what was going on above?

Knobody, including the climber alerted you when the knot was slipping?

The GrCS handle that you were winding got smashed....were you still holding it at the time?

Were you the only groundsman there? If not where was everything else? Clearly not paying attention either.

You're asking for advice about the safety of knots and how not to get killed doing treework etc, yet you say you are a teacher?

If this is a joke, its in very bad taste!
 
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Spam or an idiot

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Riggs is an expert in both these fields.
 
The winch is great for tip tying and other creative stuff but normally bollard should be enough. Last summer I learned to not tip tie unless I had to... big spinning piece nearly took my head off.

A GRCS is a great tool, I'm gonna buy one this summer, but a porty is a lot lighter and easier to setup and move.
 
gentlemen are we talking about the half hitch after the knot inquestion, whatever it may be. or that fancy little half twist before the actual knot along with the (at least one) half hitch after. just asking b/c i am constntly told "you don't need that." but then again many have told me i don't take enough chances
 
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he uses a running bowline about 50% of the time

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That's just wack, yo. Why NOT 100%? I wonder what his criteria is for deciding on one or the other?
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<font color="orange">The TreeHouse</font>

Every click, a new pic!
 
There's a reason for all the different friction devices you mentioned. sometimes you need lifting capabilities and other times not. The port-a-wrap or bollard are for those times you don't need to raise a piece. As mentioned before a redirect pulley located at the base of the tree would enable you to set up the GRCS away from the drop zone and place you out of harms way.

Talk to the boss and suggest a sit down meet to analyze the events that led to the accident and discuss methods that will mitigate the danger. Get your hands or his on the rigging book mentioned in another post as well as some of the ideas for more secure knots.
 
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[...] but then again many have told me i don't take enough chances

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You can be efficient without taking chances... rigging is not something you leave to chance. The point is to getthe wood on the ground without hurting anyone or anything... going fast is secondary.

Risk and chance aren't the same thing.
 
Im sure people that use clove hitch like it.I never learned clove hitch and i use running bowline backed with half hitch.Your very lucky if you think about what could have happend to you.You got a second chance now your more aware about accidents good luck ,terence
 
i agree w/allmark. efficiency is the key. i know guys that can get "any" tree down in less time than anyone. fine but it takes five times longer to clean up or what did they break . these are all bottom line costs that have to bee controled w/ common sense and efficient methodic work.
 
I'm not a mater chess player, but I am not just average either. Similarly, I think of tree removals like chess.

When I dismantle a tree I have visualized most (if not all) of the moves I need to make to take the whole tree down. --Of course there can be improvising along the way too.

One of my constant questions in my mind is, "If I do this, what will/can/possibly happen?"

With all of that said...It sounds like there was never any anticipation of the clove hitch possibly coming undone.
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i like that analogy of trees like a chess game. every move has a consequence. positive we hope but make the wrong move and you could be fighting an uphill battle to recover, we hope. sometimes the consequences are far more servere. think before we just do.
 
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