Say a plant supervisor has a large vessel that needs a look inside. The traditional plan involves isolation, ventilation, permits, a rescue team and several people climbing in. It’s slow, costly and carries real risk. She wonders whether a drone could do the first pass instead.

Ven-Tech Subsea offers Confined Space Inspection using collision tolerant drones, crawlers, ROVs, LiDAR, SLAM mapping and controlled visual inspection. This article explains what remote first inspection can and can’t do, based on the company’s own page, and why the answer isn’t a simple yes.

Remote First, Not Remote Only

The page says remote inspection can reduce or eliminate some planned entries, but it doesn’t automatically remove the legal classification, site controls or the need for future entry. The employer and project team must still identify the space, assess hazards and determine controls.

So think of it as a way to get information before committing people. Place cameras and mapping sensors inside suitable assets first, learn what you can, then plan controlled entry only for what remains unresolved. That’s the hierarchy of controls in practice.

The Platforms

Aerial Systems

Collision tolerant drones can reach elevated and complex areas. They support close visual inspection and project selected mapping in dark, GPS denied spaces. Access size, airflow, dust, moisture, temperature, obstacles, endurance and recovery route are confirmed first.

Crawlers and ROVs

Crawlers provide stable contact inspection along floors, walls, pipes and magnetic surfaces. ROVs handle flooded or submerged zones. Platform selection follows material, traction, slope, debris, water, diameter and recovery requirements.

What the Controls Look Like

Remote inspection still involves CCTV pipe inspection services planning. Ven-Tech lists isolation, hazardous energy, atmosphere, contamination, communications, launch and recovery, and the client’s site program. Access protection, pressure, flow, engulfment, battery controls, dropped objects and decontamination are also considered where applicable.

The company points to WorkSafeBC Part 9 guidance, which requires employers to identify confined spaces and decide whether worker entry is needed, and to CCOHS guidance that stresses space specific hazard assessment and control programs. Remote methods change exposure, not the need for discipline.

Where Confined Space Inspection Helps Most

For many owners, Confined Space Inspection with a drone is most valuable as a preliminary step. It can establish condition, identify priority locations and show exactly which areas need cleaning, testing, repair or direct verification, before anyone climbs in.

The page lists water tanks and reservoirs, silos, bins and hoppers, industrial vessels and chambers, tunnels, shafts and galleries, sewers and culverts, pipelines and penstocks, marine voids and ballast spaces, and mining and process infrastructure as typical applications.

What You Can See

High quality imagery can document visible corrosion, coating loss, deposits, cracks, deformation, leakage evidence, loose components, obstructions and weld or support condition. Detection depends on access, lighting, range, surface cleanliness, image quality and the size and orientation of the feature.

That caveat matters. A drone can’t see what it can’t reach or light. The report states what was observed, what stayed inaccessible, how measurements were referenced and where another method or controlled entry is required. Honest limits make the evidence usable.

Wet and Partly Flooded Spaces

Yes, with a project suitable platform and controls. A collision tolerant aerial drone may inspect above the waterline, while an ROV or crawler can address submerged or contact areas. The scope defines electrical, contamination, tether and recovery controls.

That flexibility helps with assets like tanks, wet wells and culverts. Ven-Tech also offers CCTV pipe inspection services for long conduits, so a project that includes both chambers and pipes can be planned as one coordinated program.

Deciding If It Suits You

Ask what decision the inspection supports. Is it condition, coverage confirmation, dimensions, deformation, deposits, obstruction, baseline mapping or maintenance planning? Remote methods work best when the question is clear and the space suits the platform.

Send the asset type, operating state, access opening, internal dimensions, drawings, known hazards, isolation status, atmosphere or contamination concerns, priority areas, the smallest feature you need to see, schedule and deliverable formats. The robotics team is at info.robotics@ven-techsubsea.ca or 250 572 4889.

Conclusion

A drone won’t replace your confined space program, but it can make that program smarter. By gathering evidence remotely first, you reduce routine entry and focus human work where it’s truly needed. That’s the logic behind Confined Space Inspection with robotics: less exposure, better information, clearer decisions.

FAQs

Does remote inspection eliminate confined space entry?

It can reduce or eliminate some planned entries, but it doesn’t remove legal classification, site controls or the possible need for future entry.

What assets can be inspected?

Tanks, reservoirs, silos, vessels, chambers, tunnels, shafts, culverts, sewers, pipelines, penstocks and more, subject to access and hazards.

Can drones inspect wet spaces?

Yes, with suitable platforms and controls. Drones inspect above the waterline, and ROVs or crawlers handle submerged areas.

What should I send for a proposal?

Asset type, operating state, access opening, dimensions, drawings, hazards, isolation status, priority areas, schedule and deliverables.