Rick Chiarelli
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March 2022

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Since January, Ottawa has seen all sorts of weather – everything from a record snowfall, prolonged freezing rain, temperatures above zero, rain, flash freeze and then more snow. We know this winter season will wreak havoc on our roads, sidewalks and winter cycling network as the freeze / thaw cycles take hold this month, bringing with it an increased number of potholes. We are on the job and ready!  
 
How are Potholes Formed?
 
Potholes are formed when water (from rain or melted snow and ice) seeps into small cracks or holes in the road. As temperatures drop, the water under the road freezes and expands pushing up on the road above, creating larger cracks – when the temperature rises above zero, the water evaporates and leaves an open space under the road. The weight of cars and trucks travelling over these weak spots breaks the asphalt, resulting in potholes. 
 
How do we Repair Potholes?
 
Potholes are filled by cleaning the hole of debris and water, then packing it with asphalt and rolling or pounding it down. At this time of year, some potholes in high traffic areas may need to be refilled more than once. This happens because water works its way back into the hole preventing the asphalt from forming an adhesive bond with the pavement.
 
Filling Potholes in Winter 
  
In winter, conditions are not ideal for pothole repairs. The unstable conditions, including ice and water in the holes, as well as the cold temperatures and frequent freeze / thaw cycles, prevents the patch from adhering as well to the roadway making the repair temporary. Products that staff use to repair potholes during the winter months are Cold Patch and Warm Mix asphalt.
 
Cold Patch asphalt is a blended asphalt material which can be stored for extended periods of time. It can be used in all temperatures, does not require special equipment to compact and can be applied directly to the roadway without heating.
 
Warm Mix asphalt can be used year-round and produced at a lower temperature using different adhesives in the mix. Once the material is heated, the adhesives become thinner allowing improved workability and flow. The material can be manually compacted with a tamper, or shaped and compacted with power plate tampers or rollers.
 
What’s Next? 
 
Based on the forecast, we are anticipating several freeze-thaw cycles over the next few weeks. Residents can expect to see our pothole crews across the City as we begin some of our spring road maintenance operations. Ottawa winter’s are hard on our infrastructure, and this year in particular, we are anticipating an increased number of potholes. We appreciate your patience as we complete our operations.
 
For residents wishing to report a pothole, please create a Service Request online.
 
Thank you for your continued support of our maintenance operations.

College Ward Office 

Contact Us 

Rick.Chiarelli@Ottawa.ca      (613)-580-2685
Ben Franklin Place
101 Centrepointe Dr.
Nepean, On 
K2G 5K7



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  • Home
    • City Wide Resources
    • Community News
    • TRAFFIC IMPACTS
    • Committee News
  • COVID-19
    • Vaccine Updates
    • Testing Updates
    • Response & Recovery
  • Your Government
    • Engagement Opportunities
    • Meet Rick
    • Your Local Government
  • FAQ
  • Development Projects
  • City Service Guide
  • Veteran Resources
  • Media
  • Archive
    • 2021 New Years Eve
  • OC Transpo
  • Beat the Heat
  • Derecho Storm May 2022
  • Harmer House Heroes Letter
  • Cycling Safety
  • Colonel By Day 2022