Chimney Inspection

Chimney inspection

Multinnov recently worked on an iconic chimney in Nice. Visible from the north of the city with its height of 86m. The outer shell, visible to all, protects three internal chimneys. The purpose of the inspection, which lasted 4 hours, was to check for possible anomalies inside the chimneys in a preventive manner.

Illustration : crinoline climbing with the drone slung on a silo

Intervene in a team of 2 people. The installation of the Stereo2 was atypical Usually, chimney inspections are more done from the bottom but here, the access was blocked. The operators were forced to set up the drone from the other access of the chimney, the roof.

The difficulty was accessing the roof of the chimney with all the equipment. This is where the compact size of the Stereo2 made the difference. Allowing to carry it, in the very narrow access ladders to the top of the chimney.

The use of the STEREO2 made it possible to avoid having to use rope access technicians who would have had to work under protective masks or even SCBA (Self Contained Breathing Apparatus), or to erect scaffolding. The inspection time was therefore much shorter than with traditional methods.

ROView In Vietnam

ROView in Vietnam

The Vietnamese company ILTECH had the opportunity to perform an inspection with the ROView in a typical Asian sewer. The two hours operation allowed the company to control the anomalies present in the sewer such as cracks in the walls, plugs, or leaks.

The anomalies were made visible thanks to the innovative technology of the ROView, which, thanks to its lightweight and wireless communication, allows the sewer to be viewed from an unprecedented angle.

With the ROView’s capability, the inspection was effective in detecting anomalies within the sewers. The inspection, which takes less time than a pedestrian inspection, saved countless hours for ILTECH recently.

Inspection with ROView has eliminated the need for ILTECH to use sewage workers, thereby eliminating human risk. Human intervention in sewers has many drawbacks as hydrogen sulfide (H2S) is a dangerous gas for humans as it is a fast-acting poison that impacts many body systems.

Naturally present in sludge and deposits in pipes, hydrogen sulfide is released into the air during mixing. The Stereo2 and the ROView, because of their weight, are not involved in the mixing of sludge and therefore encounter pockets of H2S, a corrosive, toxic, highly flammable gas that is fatal if inhaled. It is therefore crucial to carry out inspections with ROView in order to avoid a maximum of risks.

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