I can imagine that at some point there will be a height restriction, it's more about where they will set it that will be the issue.
Fishing pole technology in regard of poles used for window cleaning is advancing all the time, lightness, rigidity and strength are all increasing, but I am also talking about poles 'specifically' for window cleaning and not simply a fishing pole converted to a window cleaning pole.
Power cables??
Mmm....well, they will always be a risk, even on first floor work, but when looking at risk you have to ask what is the actual 'likelihood' of hordes of window cleaners getting zapped to a frazzle?
The potential is certainly there...it's also there to get zapped by lightning too (if you are daft enough to work in a thunder storm....er....guilty M'lud
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The highest I've gone is just over 40ft, to be honest, I wouldn't want to work much higher than that, power lines apart, as the tech improves the ability to work at heights safely much higher than that can only improve.
What difference looking up at a window 25ft up and one, say 70ft?? I've cleaned windows in an alley at just 10 or 15ft and had to stand almost with my nose on the wall beneath it! (and getting soaked in the process too
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We are manual workers at the end of the day, strains will be put on our bodies.
You want to see some real strain on your neck, try being a plasterer plastering a load of ceilings, or a decorator papering ceilings, from many years of personal experience I can tell you the strain of that is much greater on your neck than working with a pole.
But I will agree that H & S will stick their snouts ever deeper into our business (and every other aspect of our lives too).
Ian