For Pavement Condition
A
B
C
D
F
(PCI between 1 and 100)
Cold Planing (CP), commonly referred to as milling or profiling, is the controlled removal of the surface of an existing pavement to the desired depth or cross-slope with specially designed equipment capable of removing portions of the pavement surface to the specified grade and/or cross-slope. CP can be used in excavation, reconstruction, rehabilitation and maintenance operations.
- CP allows for removal of a controlled amount of material vs complete new construction. Creating and utilizing RAP means less need for new materials, reducing costs
- Reuse of resources eliminates greenhouse gases from the production of those resources. Can be as high as 50-60%.
- Saves up to 60% in HMA plant and 100% in other processes by creating RAP for the reuses of existing pavement materials.
- Save time by keeping guard rails, overpasses, etc. at the same height in relation to roadway eliminating the need to adjust their height.
- Extends the life of the pavement structure by correcting smoothness issues, drainage issues and removing some top down cracking and raveling.
Issues Addressed
- Raveling
- Bleeding
- Shoulder drop off
- Rutting
- Corrugations
- Shoving
- Removal of deteriorated, stripped or aged asphalt
- Poor ride quality caused by swells, bumps, sags and depressions
- Diminished curb reveal heights
Attributes
- Restores pavement smoothness
- Corrects grade and cross-slope issues
- Restores pavement surface friction
- Serves as a surface or grade preparation for other maintenance/rehabilitation techniques
Common Combinations
- Cold Planing + HMA Overlay
- Cold Planing + With CIR or CCPR
- Cold Planing + single or double chip seal
- Micro milling + thin HMA overlay
- Micro milling + ultra-thin bonded wearing course
- Micro milling + Micro or Slurry surfacing
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