Road Renewal Intervention Levels

Road Renewal Intervention Levels - BRC does not have a well documented methodology for assessing when a road segment should be renewed, but we are currently analysing at the PCI and SCI data collected by AARB in early 2010 to try to determine appropriate intervention levels.

The Assetic Pavement Condition Index field currently contains values between 0 and 6. The graph below shows how the pavement is assumed to be consumed over time and how this relates to PCI scores. A PCI score of 5 means that a pavement has an RUL of 7 years or less. Until the science of renewal program generation is developed further, perhaps the nominated renewal intervention level should simply be that segments with a PCI of 5 should be inspected within 12 months with a view to them being considered for inclusion in the Pavement Renewal Program.


BRC's footpath network, is in pretty good condition, and most defective panels are replaced under maintenance before the segment as a whole deteriorates enough to trigger a renewal, but the theoretical intervention levels are as follows;

  1. Footpaths located within the CBD and other highly trafficked areas in Condition 4 or worse to be referred to Capital Works Program and replaced within 3 years.
  2. Footpaths located in other areas in Condition 5 or worse to be referred to Capital Works Program and replaced within 3 years.
  3. Footpaths in Condition 6 to be removed ASAP, and replaced when funding permits
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