Construction noise of over 90 decibels (dB) will disturb neighboring residents for months, if not years.

During the 2010 Environmental Impact Statement (EIS) appeal hearings, Jerry Lilly, a Noise Engineering Consultant with 27 years of experience, testified that Yarrow Bay’s noise plan was insufficient because it didn’t disclose any construction equipment noise levels. Also, the three noise monitoring locations were not properly situated to assess true noise impacts.

Trucks like this will contribute to construction noise.

Peak noise levels described in the Final Environmental Impact Statements are as high as 90 dB. Jerry’s stated that this is “shockingly high.” The World Health Organization guidelines are 16 hours at an average noise level of 65 dB.

[Decibels are a logarithmic unit of measurement, so that every 10 dB represents a power of 10 difference. The difference between 65 dB and 90 dB is a factor of ~300-gigantic!]

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