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Noise

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Springs Speedway noise monitoring

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• How we monitor noise
   

Noise levels are monitored from the start to the finish of each race. The levels must not exceed 90dBA L₁₀ for 60 per cent of the total races on any night, and 88dBA L₁₀ for the remaining 40 per cent of the races. The Kiwi-Kids class must comply with a level of 85dBA L₁₀.

*L₁₀ - A noise level which can only be exceeded for 10 per cent of the time. For example L₁₀ 85 dBA means that over a 30 minutes period, the noise may only go above 85 dBA for 3 minutes.

Saturday 8 November 2008

Session	Class	Noise level - LAF10(dBA)	Comments
1	Kiwi Kids	79
2	TQs	88
3	Midgets	87
4	Sprint Cars	87
5	Midgets	90
6	Sprint Cars	87
7	TQs	84
8	Midgets	87
9	Kiwi Kids	80
10	Midgets	88
11	Sprint Cars	88
12	Midgets	87
13	TQs	86
14	Sprint Cars	85
15	Midgets	85
16	Midgets	88
17	TQs	88
18	Sprint Cars	0	Unable to measure due to dropped internet connection
19	Midgets	88

 

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Previous results

Click here to view previous results

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How we monitor noise

We have installed a noise monitoring terminal at Western Springs Stadium to monitor the noise being generated by activities at the stadium. This is to ensure that the noise made complies with the District Plan, in particular concept plan C05-08 which relates specifically to Western Springs Stadium. This is in conjunction with a consent order from the Environment Court, which was agreed on in 2005.

The state of the art equipment represents a significant step forward in addressing concerns about speedway noise in the area. This new technology will make monitoring easier and more accurate.

The device is equipped with a weatherproof microphone and noise-level analyser. It also records wind speed and direction - essential information for noise control enforcement because weather conditions have a significant impact on noise levels.

When speedway meetings or concerts are held at the stadium, the noise is monitored and the results are reviewed by an Auckland City Council enforcement officer both in real-time at the stadium and on the next working day. When the results have been verified (and are not to be used as part of any enforcement proceedings), they will be published on this site.

Updated November 2008