Madrid residents brace for noise and disruption from new F1 circuit
the Guardian
Madrid residents brace for noise and disruption from new F1 circuit
City council emphasises economic case for Madring amid local outrage over disruption and environmental impact
55 dB and 109 dB seem ridiculously low and high respectively. If 55 dB is the legal limit, running an aircon unit is right at the line of legality and normal car and bus traffic is well beyond it. Similarly, if the F3 event is generating 109 dB then that surely has to have been measured right at the trackside, because that's about the level of operating the kind of big power tools that require hearing protection. I've been at an F3 event, they're definitely loud but they're not that loud
Well, you have to measure both in a similar fashion, so if you measure an AC right next to it, then you should do the same with the race track.
If you're only trying to get a measure of how much sound the thing is putting out, sure, but presumably the concern here is actually how much sound they're putting out that gets to where people live. If the racetrack had a magic completely sound-proof bubble around it, any noise complaints from nearby residents would be very silly no matter how loud it was inside the bubble
Houses are literally next door, and the area has very little green or trees to dampen the noise, you can easily hear it at 2 km. It was already an issie with the nearby airport.