Environmental Noise Level Impact Assessmentf

Allstar Metal Fabrication
Environmental Noise Level Impact Assessment of Metal Fabrication Business, 54 Boronia Road, Cootharaba     Page 10 of 16




             APPENDIX A: AMBIENT NOISE MEASUREMENT EQUIPMENT, LOCATION B

Measurement Equipment

The following equipment was used to conduct the ambient noise level study at Monitoring Location B,
46 Boronia Road, Cootharaba:

•   Bruel and Kjaer Type 2250 L Hand Held Analyzer – Serial No. 3004242, with Type BZ 7131, BZ
    7132 and BZ 7133 Software and Prepolarised free-field ½” microphone, Type 4189, Serial No.
    2880058;

•   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. 2292747.

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:           39.085 mV/Pa


Calibration

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


Monitoring Location

Monitoring Location B was located at the rear (eastern side) of the neighbours residence at 46 Boronia
Road, Cootharaba. At this location the residence totally blocked all line of sight with Allstar Metal
Fabrication and absolutely no noise from Allstar Metal Fabrication would be audible at this location. The
microphone elevated 1.6 metres above ground level. Refer Figure 1 for further detail.


Atmospheric Conditions

Throughout the ambient noise level study atmospheric conditions complied with the requirements of the
Australian Standard. Refer Appendix C for further detail.




David Moore & Associates Pty Ltd                                               Our reference: R17078/D3286/Rev.0/3.12.17