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 10 of 21


     .    in experienced rider:


                o   one Kymco MXU300     quad bike:                63.9 dB(A) LA10,adj,T @ 10m;
                o   two Kymco MXU300 quad bikes:                   66.9 dB(A) LA1O,adj,T @ 10m;
                o   three Kymco MXU300 quad bikes;                 68.9 dB(A) LA1O,adj,T@ 10m;
                o   four Kymco MXU300 quad bikes:                  69.9 dB(A) LA1O,adj,T @ 10m;


It has been nominated that there would never by more than four quad bikes on the competency
assessment circuit at one time.


Combining the above source noise levels with the determined (by measurement) noise level reduction
from the competency assessment circuit to the closest adjoining residences, Table 5 details the
predicted quad bike noise levels at the closest residences.

                                                      Table 5
            Quad Bike Noise Levels at Closest Residences to Competency Assessment Circuit,
                                      298 Tablelands Road, Cooran


     Receptor,        Rider              Number       Source           Noise Level       Quad Bike Noise Level
     Number@          experience         of Quad      Noise Level,     Reduction,        at Residence, dB(A)
     Tablelands                          Bikes        dB(A)            dB(A)             LA10,adj,T
     Rd                                               LA1o,adj,T

          268         experienced            1             66.2            35.7                       30.5

                                             2             69.2            35.7                       33.5

                                             3             71.2            35.7                       35.5

                                             4             72.2            35.7                       36.5

          268         in experienced         1             63.9            35.7                       28.2

                                             2             66.9            35.7                       31.2

                                             3              68.9           35.7                       33.2

                                             4              69.9            35.7                      34.2

                                              1             66.2           39.1                       27.1
          295         experienced
                                             2              69.2            39.1                      30.1

                                             3              71.2            39.1                      32.1

                                              4             72.2            39.1                      33.1


           295        in experienced          1             63.9            39.1                      24.8

                                              2             66.9            39.1                      27.8


                                              3             68.9            39.1                      29.8

                                              4             69.9            39.1                      30.8

                                              1             66.2            -44                       -22.2
           374        experienced
                                              2             69.2            -44                       -25.2

                                              3             71.2            -44                       -27.2

                                              4             72.2            -44                       -28.2


           374        in experienced          1             63.9            -44                       -19.9

                                              2             66.9            -44                       -22.9

                                              3             68.9            -44                       -24.9

                                              4             69.9            -44                       -25.9




 David Moore & Associates Pty Ltd                                        Our reference: R 12054/D2670/Rev.1/23.07.2012