Video pipe inspection

Routine sewer and storm system maintenance.

What's the problem?

Need to inspect a utility line for imperfections in your storm/sanitary system? Get eyes in the pipe where your team can't go.

video pipe inspection diagram find structural defects

Structural defects reduce the integrity of a sewer or sanitary line, minimizing its service life. There are several types of structural defects that can be observed and marked in NASSCO certified reports. This may include, in order of severity:

  • Cracks
  • Fractures
  • Broken pipes
  • Holes in pipes
  • Deformations
  • Collapsed pipes

Other types of structural integrity issues may include joint failures, surface damage, lining failures, weld failures, point repairs, and brickwork.

video pipe inspection diagram find operational defects

Operational defects reduce the ability  of the pipe to function properly. If your main sewer line is clogged, sewage has nowhere to escape. Receive reporting of the exact location of defects from entry point. Possible operational defects include:

  • Deposits
  • Roots
  • Infiltration
  • Obstacles/Obstructions
  • Vermin
  • Testing/Grouting

Detect sewer line deterioration caused by years of usage. Protect your underground infrastructure from irreversible damage of blockages and buildup.

video pipe inspection diagram find construction features

The technicians monitor the live feed, identifying how the system was constructed with key original features. In addition to defects, all construction features are marked. This includes:

  • Tap
  • Intruding seal material
  • Line
  • Access points

Trinity Subsurface field employees can develop an in-depth map of entire sewer or storm line systems. Get a better understanding of your underground infrastructure.

video pipe inspection VPI service icon

Pinpoint and address Pipeline defects in real-time.

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Trinity Subsurface wants to send you our VPI report to show you how user-friendly our deliverables are for project managers, engineers, and foremen alike.

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Preliminary step: flush out obstacles to get clear crawler visuals.

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Hydro jetting

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Next step: fix pipe segments in poor condition.

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sectional point repair

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Next step: find leaks in pipe joint or manhole.

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sectional point repair

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Equipment For all line conditions.

Video Pipe Inspection can require several different tools depending on the field conditions and the size of the pipe being inspected.

Maximize agility and maneuver lines, manhole to manhole, with ease.

video pipe inspection robotic crawler envirosight inspect utility lines

Crawlers are deployed when access to the pipe is direct (an opening from a manhole). The equipment can traverse up to 1,000 feet. The CCTV camera offers the maximum visibility and adaptability that is necessary for this line of work.

  • Zero-degree turning
  • Overlapping 6-wheel drive for climbing over offsets
  • Lightweight cable with 1,000-lb break strength.
  • Onboard memory for observation recordings
  • Compact design to navigate pipe larger than 6” inches
  • Wheel tread for various pipe conditions

Storm drains are routinely inspected by Video Pipe Inspection crawler cameras for leaks and blockages. For excavating and boring companies, a VPI report is needed to verify depths of sewer and water pipes prior to the construction or excavation process. It has become a common practice in the construction world to inspect newly constructed pipes to ensure correct installation.

Confirm location of blind tie-ins and laterals.

video pipe inspection lateral launch camera for fing crossbores

The lateral launch camera has the capability to video the interior of a sewer or water pipe for lateral inspections including interior pipe condition and locating the lateral lines at the surface. The equipment can traverse up to 900 feet, while the lateral extension can extend another 200 feet.

  • Quick-change wheels
  • Aiming tubes
  • Steerable 8-wheel drive
  • Precision-tuned push rod
  • Hinged crawler body

Multiple onboard cameras and sensors feed into a control interface that allows for the quick location of cross bores. Trinity Subsurface, LLC has experience in pre and post cross bore pipe inspections using our lateral launch camera.

Negotiate with ease 45-degree turns and 90-degree sweeps.

push camera video pipe inspection to see small diameter utility lines

Navigate small diameter pipes up to 200 feet. The push camera is inserted into the line manually and pushed using the sturdy cable into the line.

  • Self-leveling head
  • Camera with live feed
  • Narrow body to enter lines less than 2-6" inches in diameter

Push cameras investigate interior pipe conditions, detect leaks, and provide elevations for drainage issues. Interior drains are routinely inspected by a push camera for blockages and locating purposes. When slabs start to crack and settle, it is good practice to inspect drains for leaks via push camera.

knowing your underground layout: locate lines before you design.

Get your questions answered


What can be found with a video pipe inspection?

Leverage VPI technology to pinpoint structural, operational, maintenance defects.

For pipe profiling, we can determine the layout, grade, and depth of utility and sewer pipes. With a lateral launch camera, identify laterals, vaults, points of misalignment, and termination. Or, locate non-detectable sanitary and storm laterals.

For routine pipe maintenance, verify if current conditions conform to regulations. And, detect potential weak points or future problems.

Lateral launch, robotic crawler, or push camera?

Find gas lines or cross bores with a lateral launch camera. This camera is leveraged to inspect pipes entering the mainline to the lateral. Specifically, inspecting sewer service laterals where directional drilling is scheduled for the installation of crossing utility lines. And also can locate where past drilled utilities may have penetrated the lateral.

The robotic crawler system provides video footage as well as the capability to take high-quality photos of the issues within the pipes. Reports of pipe conditions are recorded in real-time as the crawler patrols the line. With optimized wheel tread and zero-degree camera turn, the crawler is perfect for navigating pipe obstacles traversing curved inverts.

A push camera is utilized for narrow utility lines. It can navigate tight turns in the smallest pipes with ease. This includes tubes, boilers, pipes, and floor drains. For smaller than 6 inches we would recommend our push camera service. For pipes larger than 6 inches we recommend either a robotic crawler or lateral launch.

How detailed is the video pipe inspection report?

Details of the report include pipe function, size, material, lengths, access pipe used, and recommendations to defects. Screenshots of pipe defects note the type of damage as well the lateral distance from the entry point.

In addition to the pipe segment report, receive a field map, depicting all of the pipes inspected. This makes it easy to relate video footage and reports to locations in the field.