Beyond the Camera.Measured, Not Estimated.
When a visual inspection isn't enough, multi-sensor technologies quantify pipe geometry, capacity loss, and submerged condition with precision, turning judgment calls into measured data.
Definition
What It Is
Multi-sensor inspection combines several measurement technologies in addition to CCTV to capture data a standard camera cannot. Laser profiling measures the pipe's true geometry to detect ovality, deformation, and capacity loss. Sonar maps conditions below the waterline, quantifying sediment and submerged defects in surcharged or partially full lines. Together these sensors convert visual observations into precise, dimensioned measurements, the difference between estimating a problem and measuring it. [CONFIRM: which sensor modalities SES actually deploys, laser, sonar, LiDAR, electro-scan. Trim this page to only those.]
Signals
When You Need It
- You suspect deformation, ovality, or capacity loss that a camera can't quantify.
- The line is surcharged or partially full and the invert can't be seen on CCTV.
- You need precise, dimensioned data for engineering design or capacity modeling.
- Sediment or debris volume needs to be measured, not estimated, before cleaning.
- A large-diameter or critical asset justifies the highest-resolution condition data available.
Method
How We Do It
- Step 01
Define The Assessment Objective
We start with the question that needs answering (geometry, capacity, sediment volume, submerged condition) because the objective dictates the sensor package.
- Step 02
Deploy The Appropriate Sensor Package
Laser, sonar, and CCTV are deployed individually or together in one or more passes, matched to the line condition and the data required.
- Step 03
Capture Dimensioned Measurement Data
Sensors record measurement-grade data, pipe geometry, below-waterline profile, sediment depth, not just imagery.
- Step 04
Process & Interpret Against Engineering Thresholds
Raw sensor data is processed and compared against engineering thresholds for ovality, capacity, and material condition.
- Step 05
Deliver Quantified Condition Findings
You receive dimensioned findings ready for design, capacity modeling, or rehabilitation scoping, answers, not approximations.
Deliverables
What You Get
- Dimensioned pipe-geometry data: ovality, deformation, and effective capacity.
- Below-waterline condition and quantified sediment volume where sonar is used.
- Measurement-grade data suitable for engineering design and capacity modeling.
- A defensible, quantified condition record beyond visual observation.
- [CONFIRM: deliverable formats, profiling reports, data exports, integration with GIS / asset management.]
Engineering
Capabilities & Specs
- Sensor Technologies
- [CONFIRM: which SES offerslaser profilingsonarCCTVLiDARelectro-scan. List ONLY what is actually offered.]
- Primary Use
- Geometry / ovalitycapacity lossbelow-waterline and submerged conditionsediment quantification
- Pipe Diameter Range
- [CONFIRM: serviced diameter range.]
- Line Conditions Serviced
- [CONFIRM: fullpartially fullsurcharged.]
- Equipment
- [CONFIRM: sensor platform makes/models if you want them published.]
- Coding / Standards
- NASSCO PACP for the CCTV component. [CONFIRM: any standards for laser/sonar deliverables.]
- Deliverable Formats
- [CONFIRM: profiling reportsonar mapdata exportGIS-ready.]
Answers
Frequently Asked Questions
Multi-sensor inspection uses more than one measurement technology, typically laser profiling and sonar in addition to CCTV, to capture pipe condition data a camera alone cannot produce. The result is dimensioned, measurement-grade data on geometry, capacity, and submerged condition, not just a visual record.
A CCTV camera shows you what the pipe looks like. Laser profiling measures the pipe's true interior geometry, quantifying ovality, deformation, and effective capacity to engineering tolerances. Where CCTV produces observations, laser produces dimensions.
Sonar is used when the area of interest is below the waterline, surcharged lines, partially full pipes, or sediment buildup that hides the invert from a camera. Sonar maps submerged condition and quantifies sediment volume so you know what's down there before cleaning or rehabilitation.
Yes. Sonar is designed for exactly that scenario. Where CCTV cannot see through water, sonar maps the submerged profile and produces a measured record of pipe condition and sediment below the waterline.
Measured data turns judgment calls into engineering inputs. Capacity, ovality, and sediment volume become numbers you can model, design against, and defend, instead of estimates from a video review. For large-diameter, critical, or design-driven projects, that precision is the point.
Sensor platforms are matched to the line. See Capabilities & Specs for the serviced diameter range and line conditions. [CONFIRM: published diameter range, see specs table above.]
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