Cold In-Place Recycling

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Cost Benefits

  • 20% - 40% faster construction than traditional rehab / reconstruction, which reduces delays and inconvenience to the travelling public
    • Minimum 98% recycled material, saving 300+ truck movements on a typical job
    • Almost 100% reduction in material costs (only paying for 1% - 4% new emulsion, cement and/or corrective aggregate if needed)
  • 20% - 50% lower initial cost than traditional rehabilitation methods
  • 60% - 80% lower maintenance needs compared to traditional rehabilitation methods

Factors that may Impact Cost

  • Size of project
  • Project Phasing: Multiple location projects vs. single location projects (5-mile job on 1 road vs. 1-mile job in 5 different places)
  • Traffic staging (easier to do 1 lane the full job length, harder to do both lanes to the same point each day)
  • Urban work (manholes / catch basins, intersection control add to cost) vs rural work
  • Night work (costs more for labor but less traffic disruptions)
  • Bidding/Tendering date vs. Completion date and number of working days
  • Raw material pricing (emulsion / AC)
  • Competitive bids (number of contractors in Region)

Decrease Cost Without Affecting Quality

  • Doing geotech analysis to see if road is good candidate (drainage, subgrade, structure, etc)
  • Provide mix design with letting
  • Early letting closing (ideally Oct-Dec for the next year’s work)
  • Clear, constructible specs
  • Fair assignment of risk
  • Consistent annual CIR program