Environmental Noise Level Impact Assessmentf

Allstar Metal Fabrication
Environmental Noise Level Impact Assessment of Metal Fabrication Business, 54 Boronia Road, Cootharaba      Page 8 of 16



As none of these noise levels are exceeded on the closest part of the eastern side boundary of the
subject site, noise from Allstar Metal Fabrication complies with Noosa Plan section SC53.2 – noise from
the business is not audible beyond the eastern site boundary.


Western Boundary

The noise level reduction from 15 metres from the end of the Allstar Metal Fabrication building to the
closest part of the western site boundary (approximately 50 metres distant) is 10.5 dB(A), with an
adjustment of +5 dB(A) required for the fact that the southern part of the storage area at the western
end of the Allstar Metal Fabrication building being open. This gives an overall noise level reduction to
the closest part of the western site boundary of 5.5 dB(A).

For the average source noise level measurements detailed in Table 2, these noise levels at the closest
part of the western boundary of the subject site would be:

    •    43.6 – 5.5 = 38 dB(A) LAeq,15min;
    •    49.8 – 5.5 = 44 dB(A) LA1,15min;
    •    45.8 – 5.5 = 40 dB(A) LA10,15min.

For noise from Allstar Metal Fabrication to not be audible beyond the western boundary of the subject
site the noise from Allstar Metal Fabrication must not exceed:

     •   42 dB(A) LAeq,15min;
     •   54 dB(A) LA1,15min;
     •   44 dB(A) LA10,15min.

As none of these noise levels are exceeded on the closest part of the western side boundary of the
subject site, noise from Allstar Metal Fabrication complies with Noosa Plan section SC53.2 – noise from
the business is not audible beyond the western site boundary.


CONCLUSIONS

Allstar Metal Fabrication operate from a detached building on the subject site at 54 Boronia Road,
Cootharaba. They have operated from this site for approximately 5 years, during the daytime only, 6
days per week (Monday to Saturday), excluding Public Holidays.

The Allstar Metal Fabrication building is blocked off at the eastern end with a shipping container, which
is used for storage. At the western end of the Allstar Metal Fabrication building there is a storage area
which includes a full height solid wall on the western side, but is open on the southern side (of the
storage area). This southern opening is the access to the Allstar Metal Fabrication building.

The consultant was engaged by Allstar Metal Fabrication to complete the required environmental noise
assessment to accompany an application for a Home Based Business Type 3 (significant scale). A 7-
day ambient noise assessment was obtained from monitoring location B, on the opposite side of the
residence at 46 Boronia Road. Source noise level measurements were also conducted inside the
Allstar Metal Fabrication building approximately 5 metres from all of the noise sources to show that the
source noise levels were obtained at a time when all primary noise sources were operating. A further
source noise assessment was conducted from 15 metres to the east of the eastern end of the Allstar
Metal Fabrication building.

In accordance with Noosa Plan 2006 noise from the business must not be audible beyond the site
boundaries, and to be inaudible noise from Allstar Metal Fabrications must be at least approximately 10
dB(A) the ambient noise levels (noise levels measured in the absence of any influence from Allstar
Metal Fabrication).




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