RHMA Overlay

What it is

Rubberized Hot Mix Asphalt (RHMA) includes a material made of recycled tires which have been ground up and blended into asphalt cement and aggregate. This environmentally-friendly treatment provides a higher thickness equivalency than HMA for resistance to reflective cracking. It also reduces noise from vehicles on the roadway. The overall process for RHMA overlay is similar to that of an HMA overlay except it does not require a pavement reinforcement fabric. Generally, this treatment can extend the life of a road by up to 20 years. 

Process 

  1. Pavement failure areas are dugout and repaired.
  2. Where needed, a leveling course is applied to the road in order to restore proper profile and cross-section.
  3. Streets are cleaned of vegetation or debris. 
  4. Wedge grinding and conform grinding are performed and streets are swept.
  5. Days later, manholes and other utility valve covers are adjusted to final grade.
  6. 2 weeks later, permanent striping is replaced.

Impact to Residents

Preparation activities may begin as early as 3-4 weeks in advance for repair of damaged pavement and crack sealing. Traffic delays can be expected during repair of pavement failure areas; however, roads are typically not closed. For the overlay process, roads will be closed for several hours until the material has cured enough to withstand traffic. Adjacent property owners will be notified via door hanger notices at least 72 hours before and “No Parking” signs with specified construction times will be placed on affected streets 48 hours before the process. Vehicles may not be parked on affected roads during the specified times; however, they may be parked outside of the construction zone if you plan to use them that day. Coordinate with construction workers to determine an estimate time of when construction will take place across your property if you need to utilize your driveway. Residents with special needs may contact the City in order to plan accordingly. All work is coordinated with transit and waste providers to minimize impacts to service.