This entity describes where activities sensitive to the sound of motorized vehicle racing should be prohibited or mitigated with acoustic insulation. Original data collection and modelling was carried out by Marshall Day Acoustics. The areas are derived from rules based on the Marshall Day Accoustics model and are defined in the District Plan.Current values are:Ruapuna Inner Noise Boundary:Ruapuna Outer Noise Boundary:This entity is intersected with PropertyFeatures (e.g. RatingUnit, StreetAddress, etc) for asset management purposes and to enable generation of property condition comments.It is spatially abstracted to an area.Entity Type: Concept.
