01
Water
Potable and facility water lines, located and marked before ground disturbance.
Utility locating
Locate and mark the lines before you dig.
CLI combines a trained field workforce, supervised release, and ongoing audits to provide a locate record you can assess.
300+trained, certified field technicians
80%competency threshold on exams
6 weekssupervised field release
Ongoingsupervisory audits in the field
Utility scope
The lines your excavation cannot afford to hit.
CLI locates and marks the common utility classes found across public, commercial, and network work sites.
02
Electric
Electric power lines, cables, and conduit inside the locate scope.
03
Sewer
Sanitary and sewer lines, marked so the crew can plan the excavation around them.
04
Gas
Gas lines and other flammable-material routes, marked before the dig.
05
Cable
Traditional underground cable in the requested locate area.
06
Fibre optic
Fibre optic routes, identified before the excavation starts.
Read the marks
What the paint colours mean.
Locate marks follow the uniform damage-prevention colour code used across North America. Open each band to see which network the colour protects.
Marking colours follow the standard damage-prevention colour code. The locate ticket and field record define the scope that applies to your dig.
Field process
From request to a controlled record.
The exact contract workflow varies, but the field objective remains consistent: define the area, locate, mark, document, and report.
Define the scope
Provide the site address, planned dig dates, and locate ticket number.
Locate in the field
A trained technician works the assigned area using the applicable locating method.
Mark and document
The identified lines are marked and the field record is tied to the work.
Review and report
Supervisory audits and reporting support the contract record.
Quality control
Technicians are trained and certified before release to your site.
CLI uses facility-owner-administered exams, an 80% competency threshold, six weeks of supervised field release, and ongoing audits on locate performance, safety, and drawing accuracy.
- Facility-owner-administered exams
- 80% competency threshold
- Six-week supervised field release
- Ongoing supervisory audits
Coverage
Plan around the operating season.
CLI locates in three regions. All three are in season now. Call to confirm the schedule for your planned dig dates.
Ontario
Markham office: 33-461 Alden RdCall or submit the request form with your site address and dig dates.
Alberta
Calgary office: 6205 10th St SECall to confirm the routing for the planned work.
British Columbia
Routed through the toll-free lineCall with the project address to confirm the current routing.
Before you dig
Put the locate request in motion.
Have the site address, dig dates, and locate ticket number ready. For contract scopes, use the procurement route.