Document ID: chunk:federal_register_of_legislation:F2016L00426:reg:10:p2
Version: federal_register_of_legislation:F2016L00426
Segment Type: reg
Provision Reference: reg 10 (pt 2/5)
Character Range: 88386–92384

Total 1522.5

From Table C3:  LAeq,8h = 97 dB(A), but as the shift is 10.5 hours, an adjustment of +1 dB(A) is needed, hence the adjusted LAeq,8h = 98 dB(A).

Appendix D – Contents of a noise assessment report

Checklist: What should be included in a noise assessment report?                                                                If present
When
Date of Assessment                                                                                                              o
Who
Name of Assessor                                                                                                                o
Information (background/qualifications) of assessor                                                                             o
Equipment used
Type of equipment used to take measurements                                                                                     o
Calibration details for equipment                                                                                               o
How the noise measurements were taken
Where measurements were taken (general area or operator ear position)                                                           o
Period of time over which the measurements were taken                                                                           o
What was assessed
The area, plant, process, activity and workers that were assessed                                                               o
Source of noise
The sources (plant/process/jobs) of the noise                                                                                   o
Whether all the noise sources that may be operating at the time were taken into account                                         o
Whether there were any significant noise sources that were not operating during the assessment                                  o
Systems of work
Brief description of the work activity (how it's done; plant/process/activity/operating conditions/duration of process etc)     o
Hours of workshift (eg 8-hour or 12-hour shift)                                                                                 o
Whether assessment is for a normal/typical day or for a worst case scenario                                                     o
Results
The results of measurements in terms of levels and durations                                                                    o
Interpretation of the results, (i.e. compared to exposure standards; what do the results mean etc.; ranking of noise sources)   o
Action Required
Any obvious noise controls that could be implemented, or the need for more detailed noise control study                         o
Other relevant factors
Information on and adequacy of any control measures already in place and hearing protectors used during the assessment          o
Where relevant, information about the environment (types of walls, surfaces, buildings, operational state of machinery, etc.)   o

Appendix E – engineering CONTROL MEASURES

The following are 10 simple noise control techniques that have wide application across industry.
In many cases they will produce substantial noise reductions quickly and cheaply, with little or no effect on normal operation or use of plant.[5]

  1.      DAMPING

Typical applications - Chutes, hoppers, machine guards, panels, conveyors, tanks
 Technique
There are 2 basic techniques:-
   * unconstrained layer damping where a layer of bitumastic (or similar) high damping material is stuck to the surface
   * constrained layer damping where a laminate is constructed
 Constrained layer damping is more rugged and generally more effective. Either re-manufacture guards, panels or other components from commercially available sound deadened steel or buy self-adhesive steel sheet. The latter can simply be stuck on to existing components (inside or outside) covering about 80% of the flat surface area to give a 5 - 25 dB reduction in the noise radiated (use a thickness