Buried Pipeline
& Utility Locating Services

Whats Required Before You Start Digging?

Q.  What does OSHA / OH&S require before any ground disturbance takes place?

A.  Whether the ground disturbance is to take place on public or private land, the Occupational Safety & Health Code requires that ALL buried facilities potentially in conflict with the ground  disturbance be identified & their horizontal alignments marked out before the ground disturbance begins. The requirement to have the locations of ALL buried facilities marked applies to the ENTIRE digging community, NOT just contractors. Making arrangements to have locates done should be part of the job planning process, big or small.


Q. How long are the marks good for after a locate has been completed?

A.  Locate marks are good for up to 14 days and subject to conditions.

Want to learn what all the marker colours mean? Check out this blog post!


Need assistance in your construction project? We offer Ground Disturbance Coordination & Supervision Services. We are capable in facilitating and managing the entire Ground Disturbance process from start to finish for our clients and organizations.

3D-logo-redesign-bup33-D Line Locating Ltd is a privately owned Buried Pipeline and Utility Locating company. For over 20 years, we have been at the forefront of the Damage Prevention industry in Western Canada. Although the industry has changed significantly over the last 20 years, we have been very fortunate to have been at the leading edge of the evolution and still maintain the highest levels of quality, accuracy, consistency and customer satisfaction in our industry.

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