
Underground Utility Risk
Investigate potential conflicts between underground utility installations and existing sewer lines before proceeding with work. Get a Free Estimate
A cross bore occurs when one underground utility is installed through an existing utility, such as a gas line passing through a sewer pipe. Some cross bores remain unnoticed until a sewer blockage or maintenance job brings the conflict to attention. If a sewer cleaning tool later contacts a gas line inside the sewer, the result can be dangerous.
Cross bore inspection may involve examining accessible sewer interiors using a camera and reviewing available installation or utility information. The purpose is to identify visible signs of a possible conflict and determine whether additional investigation is required. An inspection must be planned around the suspected installation, pipe access, and the limitations of the available equipment. A negative camera inspection does not guarantee that no cross bore exists outside the inspected section or beyond the camera's view.

Cross bore work requires careful coordination because multiple underground systems may occupy the same corridor. The appropriate inspection plan depends on the installation history, the sewer network, and the suspected conflict.
Inspect accessible sewer sections after suitable trenchless utility installation work when the project scope calls for checking for possible conflicts.
Examine an accessible sewer line when utility records, maintenance findings, or site conditions raise concerns about a possible cross bore.
Use internal visual inspection to look for signs of foreign objects, pipe damage, or other visible anomalies that need additional assessment.
Help the project team identify unresolved questions and coordinate appropriate specialist or utility-owner follow-up before intrusive work proceeds.
| Service | Estimated Cost | Average |
|---|---|---|
| Single accessible sewer section | Quote required | Depends on access |
| Multiple inspection points | Quote required | Depends on quantity |
| Complex investigation and reporting | Quote required | Depends on risk and scope |
These are planning categories, not confirmed market rates. Pricing depends on the number of access points, pipe length, accessibility, inspection requirements, records available, urgency, documentation, and the need for additional investigation. Potential gas or other utility hazards must be managed by the appropriate qualified parties.

The investigation begins with the suspected conflict and the work that could expose or disturb it.
A suspected conflict should not be dismissed based on incomplete camera coverage. We emphasize additional verification where findings remain uncertain.
Clear findings and limitations help contractors and utility stakeholders determine the appropriate next step.
If you suspect a cross bore or need a sewer inspection associated with underground utility work, discuss the site and installation details with us.
Free — no obligations

Discuss the suspected utilities, installation method, sewer access, available records, and the reason for inspection.
Determine the accessible pipe sections and suitable inspection approach, including whether additional specialist involvement may be required.
Review the accessible sewer interior and record relevant visible findings within the agreed scope.
Explain observations, limitations, and the need for further verification or qualified utility-owner involvement where appropriate.