Here is a photo to brighten up everyone's day a little: 130m high transmission tower on Mt Wellington above Hobart, Tasmania. Replaced a steel one in 1997. Fairly hostile place to put one - winters up there are harsh.
To give scale - those are a couple folks walking around the bottom.
According to a technician who has worked at the tower, workers must only spend set amounts of time inside because the electromagnetic radiation levels are too high for safe prolonged exposure. Any repairs - they have to power it down.
And we think we have troubles - imagine a ratchet lift for 68m, then ladder climbing a hollow cylinder for the remaining 62m with nothing but air underneath. I can't imagine them being too worried about what power cable sounds best in that system....
To give scale - those are a couple folks walking around the bottom.
According to a technician who has worked at the tower, workers must only spend set amounts of time inside because the electromagnetic radiation levels are too high for safe prolonged exposure. Any repairs - they have to power it down.
And we think we have troubles - imagine a ratchet lift for 68m, then ladder climbing a hollow cylinder for the remaining 62m with nothing but air underneath. I can't imagine them being too worried about what power cable sounds best in that system....
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