Directors Report

Ball

Elapsed Time LAeq

Foam Quiet Monarch

01:27 04:16 07:44 04:51

50.1 52.0 51.4 50.7

Onix

Dura 40

Table 3.12. Unadjusted Pickleball Sound Pressure Levels at Point 4

Table 3.13 shows the frequency of paddle impacts and the sound exposure levels. Note that the differences in mean SEL are much greater than LAeq and similar to Point 1.

Time Window (sec)

Hits per Minute per Court

Mean SEL (dBA)

Upper 95% Confidence (dBA)

Lower 95% Confidence (dBA)

Median SEL (dBA)

Max SEL (dBA)

Min SEL (dBA)

Hits per Minute

Ball

Hits

Foam Quiet

39.0 30 46.2 29.0 32 66.2

7.7 40.5 11.0 46.2

42.0 47.4

38.4 39.5 44.3 33.3 44.6 45.2 52.2 35.9

Dura 40

Table 3.13. Sound Exposure Levels at Point 4

3.3.5 Summary The most important values for estimating the noise impact of the pickleball courts are the mean sound exposure levels of the ball and paddle impacts. These are summarized in Table 3.14.

Ball Foam Quiet 40.4 45.8 43.0 40.5 Monarch 49.6 50.3 Onix 51.5 51.0 Dura 40 47.4 55.2 51.3 46.2 Point 1 (dBA) Point 2 (dBA) Point 3 (dBA) Point 4 (dBA)

Table 3.14. Mean Sound Exposure Level Summary

24 of 58 Spendiarian & Willis Acoustics & Noise Control LLC

12/15/2019

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