Noise Level Assessment Report for Noosa Quad Bike Tours MCU12/0012

Noosa Quad Bike Tours
Environmental Noise Level Assessment of Quad Bike Rider Competency Assessment Circuit,
298 Tablelands Road, Cooran                                                                             Page 15 of 21




                        APPENDIX A: NOISE LEVEL MEASUREMENT EQUIPMENT


Measurement Equipment


The following equipment was used to conduct the source noise level study and brief background noise
assessment in April 2012:


.   Bruel and Kjaer Type 22601 Modular Precision Sound Analyzer              -
                                                                               Observer    -
                                                                                               Serial No. 2305236,
    with Type BZ 7220 Software and Prepolarised free-field W’ microphone, Type 4189, Serial No.
    2294375;

.   Bruel and Kjaer Type 3592 outdoor microphone kit, including Type UA1404 outdoor microphone;


.   Bruel and Kjaer Type AO 0442 ten metre microphone extension cable; and


.   Bruel and Kjaer Type 4231 Sound Level Calibrator, Serial No. 2292736.


All of the above equipment is Type 1 in accordance with the requirements of Australian Standard AS
1259-1990, Acoustics Sound Level Meters, as required by Australian Standard AS 1055.1-1997.
                          -




Measurement Equipment Settings


The above equipment was used with the following settings:


    Detector:                        RMS
.   Time Weighting:                  FAST
.
     Frequency Weighting:            A
.   Sound Incidence:                 FRONTAL
.
     Microphone sensitivity:         -26.8 dB
.
     Range:                          10-90 dB.



Calibration


The sound level meter was calibrated to the required value of 93.8 dB at 1000
                                                                              Hz immediately before
                                                                                       of more than
and after the noise level measurements were conducted. At no time was an adjustment
:to.5 dB required. This complies with the requirements of the Australian Standard.



Monitoring Location
                                                                           circuit 10 metres from the
The monitoring location was off to the side of the quad bike test/training
                                                 elevated 1.6 metres above   the floor level.
closest part of this circuit with the microphone


Atmospheric Conditions
                                                                                         with the requirements of
 Throughout the ambient noise level study, atmospheric conditions complied
the Australian Standard.




                                                                         Our reference: R12054/D2670/Rev.1/23.07.2012
 David Moore & Associates Pty Ltd