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29-03-2020, 09:27   #1
TopTec
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New wind farm - noise

Morning all.


The new Bonniconlon wind farm is now up and running with all 12 turbines operating. I am 2.06 km away as the crow flies and today, a very still day here, all 12 are spinning and the background roar and whooshing sound is very apparent.

2 questions really. Are there not some regulations governing this noise output and secondly despite being a still day the turbines are spinning, so is this part of the commisioning process?

TIA

TT
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29-03-2020, 12:50   #2
Capt'n Midnight
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It's probably windier up there

http://archive.met.ie/forecasts/5day-ireland.asp
At the moment the wind is blowing the opposite way to the prevailing wind so YMMV


https://www.epa.ie/pubs/advice/noise/
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30-03-2020, 08:52   #3
TopTec
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Thanks for the 2 links Cap'n. Nah, no wind and other wind farms are still, must be part of the commisioning process. Unnatural wind over the next few days, North Easterlies are rare here so that is a factor. I am surprised at the level of noise though.

TT
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29-04-2020, 10:03   #4
Yellow_Fern
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Noise pollution may be the next big thing in concern about pollution.
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30-04-2020, 08:31   #5
TopTec
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Quote:
Originally Posted by Yellow_Fern View Post
Noise pollution may be the next big thing in concern about pollution.

How so?

TT
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30-04-2020, 09:25   #6
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Quote:
Originally Posted by TopTec View Post
How so?

TT
There has been a huge interest in air pollution and its impact on health in the last few years. Some of the improvements in domestic air pollution reduction can help with noise which I think could become more of interest in the future but yeah a long way to go.
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30-04-2020, 10:23   #7
Crazyivan 1979
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There will be limits set down in the planning, but these can vary. They can be an absolute limit of 43 dB (La90) or the noise must not be above 6dB above background levels for day-time and just an absolue limit for night. There may also a requirement that states no tonal noise may be present.

These limits are in effect at the external of nearby dwellings
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30-04-2020, 11:57   #8
TopTec
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It is not the loud noise, which is certainly under the db limit set by the government but the low level constant background roar, similar to having the sea shore near your house.

All the locals I have spoken to have resigned themselves to the visual stimga but are all surprised at the noise... the closer you go, within 1.5 k, the more obvious the swoosh of the blades, (the tonal modulation) is.

On a still day, like Tues am, you can also hear the whining of the electrical gearing turning the turbines trying to find a wind direction.

TT
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