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A close call on a windy day in Detroit changed my whole approach to lifts
I was on a job downtown last fall, setting steel for a new office building. The wind picked up to about 25 mph, which was right at the limit for my chart. I had a 12-ton load at full radius and felt the whole crane start to get a little dance in it. My spotter on the radio said, 'That load is swinging more than I like.' I stopped the lift right there, held it, and waited for a lull. That extra five minutes felt like an hour, but we got it down safe. Now I treat that wind chart like the bible and add my own 5 mph buffer. What's your rule of thumb for wind that isn't quite at the red line yet?
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foster.charles6mo ago
That's a great point about watching the smaller stuff. You can't argue with what the wind is actually doing right in front of you.
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terrybennett6mo ago
Man, I mostly just watch for my hard hat trying to fly off my head.
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kim.xena6mo ago
Respect that buffer. I started watching the smaller stuff too, like how the wind acts around the building itself. You get those weird gusts coming off the concrete that aren't on the main chart. If I see loose paper or plastic bags getting caught in updrafts near my load path, that's an instant pause for me, even if the anemometer says we're still good. It's all about reading the real conditions, not just the numbers. What do you look for as an early warning sign?
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