Reclamation road resurfacing
The Hwy 238 resurfacing project will use a construction process called Reclamation.
Crews grind and mix the old pavement surface with the existing gravel and then place and compact the recycled (reclaimed) pavement materials. A new layer of blacktop is then paved over the reclaimed surface.
In the long run this process saves money. It provides a longer lasting pavement life than a typical mill and overlay resurfacing project. Fewer, if any cracks, will appear in the new road surface with this process.
In Depth Look: Road Train Work Operation
- A water tanker feeds water into the reclaim machine to keep the grinder cool and aid in the compaction of the recycled material
- A grinder with diamond head teeth, grabs, chops and grinds the blacktop road surface and the below gravel base
- Ground up materials travel by conveyor belt to a screened grinder that keeps oversize materials from entering the newly recycled base materials. The reclaimed materials are then placed back onto the existing road surface
- A grader smoothes out the new base materials and a compactor packs down and densifies the road base
- A new layer of blacktop is paved on top