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A couple weeks ago I had a very close call rigging out the last top on an ugly Silver Maple at the cemetery. My rigging point failed and a 25 ft chunk of log went freefalling towards the earth. Nobody was hurt – thank God. One stone got hit but it didn’t do any damage. As fate would have it, my apprentice wasn’t there that day to see and learn from what happened. After much thought and analysis, I believe it ultimately comes down to complacency and normalcy bias: the top was just too big, and I knew it.
“Normalcy bias causes people to underestimate both the possibility of a disaster and its possible effects, because it causes people to have a bias to believe that things will always function the way things normally function. This may result in situations where people fail to adequately prepare.” That pretty much sums it up. I knew the top was bigger than what I would normally take, but that’s all I could reach with the lift.
Do you know how many times I have done something similar when I'm in a lift? I end up cutting something bigger than what I am totally comfortable with, and, at least up until this incident, it has always worked out fine. It makes me question my own judgement in a way, like, if I was uncomfortable with it but it turned out fine, is it just that I have drawn the line in my head between what's safe and unsafe, in the wrong spot? You know, like can I actually take stuff far larger than what I first thought? I mean, you start thinking about tensile strength with the gear we use. When I was in school, we always talked about designing rigging systems with the rope as the weakest link. But I think, in reality, we have designed our gear to make the tree as the weakest link, in the majority of cases.
For anyone wanting more detail, I have a more in-depth article about this incident, available here:
https://www.educatedclimber.com/clos...point-failure/
I am embarrassed to admit that, right when this happened, I was thinking, ****, I don't want to share this with anyone. This makes me look like an idiot. But later that night, I had made a 180, and I thought, first, much of the time, I am an idiot, and second, this is exactly what I need to share with the world. This is the kind of stuff that can help someone. So, like I said in the video, I'm actually glad that it happened. It was a real eye-opener. If this helps someone, sometime, to second guess a decision, or think critically about a setup, then I am so glad that this happened. Go small AND Go home.
So, I wanted to hear from other professionals. What would you have done differently, or is it simply a case of "right to refuse"? Bottom line, I shouldn't have taken that top where I did. I knew it was too big right from the get-go, when I went up initially to set my blocks. I ignored my gut and made a huge mistake. But thankfully, nobody got hurt and I came away with a greater awareness of my own complacency as well as an excellent teaching video. So, any thoughts?