Mirror Infrastructure Mapping Project

Initial Inspection and Mapping 

Before cleaning activities begin, workers will open manholes to inspect and measure sewer conditions. They will also map assets like manholes, water valves, hydrants, and curb stops.

Ground Penetrating Radar (GPR) Scanning 

A contractor will perform trial scans using Ground Penetrating Radar (GPR) to find water lines underground. GPR uses radio waves and is completely safe for residents. This trial will take approximately one day.

If successful, a full GPR scan of all water lines in Mirror will follow.

Sewer Inspection and Cleaning 

Sewer pipes will be cleaned using high-pressure water and vacuum trucks before inspections. Workers will use a closed-circuit TV (CCTV) camera to inspect the inside of sewer pipes. Each pipe segment inspection should take 1-2 hours.

Residents might notice temporary noise during cleaning but minimal impact during the CCTV inspections. The county will try to minimize disturbances.

Hydrovac (Daylighting) Activities 

After GPR scanning, another contractor will use hydrovac (daylighting) methods to confirm water line locations and depths. This work will only occur on public property. Expect temporary noise and potential debris; please respect safety zones. Areas will be secured or refilled immediately after work.

• Monday to Friday, 7:00 a.m. to 7:00 p.m.

• No work on holidays

• Overnight work may be required for safety reasons, and residents will be notified in advance.

• Severe weather may delay work.

Road, Sidewalk, and Driveway Access

• Temporary road and sidewalk restrictions will be in place.

• Contractors will notify residents of any driveway restrictions. Homes with multiple entrances will always have at least one accessible.

• Residents needing special accommodation should contact Lacombe County (see below).

Traffic Management 

Temporary signs and flaggers will manage traffic to ensure everyone's safety.

Potential Odours 

Some temporary odours might occur during sewer flushing activities. To minimize odours at home, pour water down floor drains or rarely used sinks/tubs to refill plumbing traps. If odours continue, contact the County representative.