SoundPLAN Application V - Cartography

SoundPLAN software is developed by Braunstein & Berndt GmbH - Etzwiesenberg 15
D-71522 Backnang - Germany

This page has extensive graphics, please be patient.

Contouring Measured Data : Navcon Engineering measured Sound Pressure Levels within a plant. Data was processed with the SoundPLAN Cartography Module [High sound levels : red / blue color Lower sound levels: yellow / green colors]. The noise survey was repeated after a period of 6 years. The noise difference between the two data sets were computed and plotted as a Difference Map.

The figure above shows:

Black lines: DXF outline of Refinery

Data acquired every 20 ft, 5 ft above the ground.

Colors indicated the Sound Pressure Level (Red high levels and Green low levels)

Contouring Spectral Data : The data was collected in 1/3 octave band within a plant. The data was also processed to visualize the magnitude of the noise levels on a frequency by frequency base. Following map show the data set from the 100 Hz 1/3 octave band to the 1250 Hz 1/3 octave band.  [Note: The DXF plant layout can be superimposed on top of the map to pin point source in respect to the measured noise levels.] 

Application:

• Identify areas with high noise levels, where hearing protection should be required for employee and safety considerations - OSHA "Noise Zone"
• Identify equipment for noise control treatments/modifications
• Documentation of current ambient noise environment
• Baseline for assessing the effectiveness of noise control measures
• Visualization of hotspots at certain frequencies
• Correlation hotspots with the frequency response in the community

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Last modified: December 20, 2006