Remotely operated vehicles (ROVs) are altering the way potable water tank inspections are thought about, planned, and carried out.
The challenges of inspecting potable water tanks
Potable water tanks are used in a variety of industries around the world, including oil and gas platforms and onshore facilities. It is critical that the central supply of water remains clean and safe for industrial applications as well as personal use such as cooking, showering, and drinking. Managing this, on the other hand, can be a daunting task. Currently, the most common method of performing inspections is to drain the tank completely and arrange for personnel to perform close-up inspections, which poses a confined space hazard. Tanks are then cleaned or treated as needed before being refilled. This method can shut down the tank for up to three days, or longer if remedial treatment is needed.
The risks of neglecting the water tank inspections
A water tank that has not been inspected within the recommended timeframes may contain a variety of contaminants, including microbial, chemical, hydrocarbon-based, and excessive debris and or sediment. These can then endanger both human health and the tank’s integrity. Legionella formation is one of the most serious of these risks. Legionnaires’ disease is a serious type of pneumonia (lung infection) caused by Legionella bacteria. Legionella bacteria can also cause Pontiac fever, a less serious illness. Corrosion is also a serious issue in terms of tank integrity and Legionella growth. Because iron is an important food source for Legionella, corroded tanks have a higher incidence of positive Legionella results.
ROVs and their role in tank inspection
ROVs have the potential to improve traditional water tank inspection methods. The following advantages of using ROVs over traditional methods have been discovered by American Tanks:
• Using an ROV eliminates the dangers of confined space entry, which is required.
Permits, planning, and paperwork are all part of the process.
• ROV inspections do not necessitate the emptying or refilling of water tanks.
• Using an ROV shortens the time-consuming recommissioning process. Tank super chlorination is required prior to bringing the tank back after a manned entry.
online. This is not necessary if an appropriately deployed ROV is used.
• If remedial work is required following an ROV inspection, the footage can be saved.
and drawn upon, which can help to inform future planning. In the long run, this can save time and money.
• ROV footage provides the detailed, close-up views required to inspect a tank’s interior internal state.
• Some ROVs have advanced features, such as arms that can collect samples from inside a tank and measure wall thickness.
Regardless of how you choose to conduct your tank inspections, it is critical that your methods adhere to best practices and are established with longevity and the safety of your systems and people in mind. Contact our teams to learn more about the potential benefits of tank inspection services and for advice on how to use ROVs.
Many of the spaces we’ve been hired to clean have never been cleaned because they’re too small, too tight, or too dangerous. Our robots can not only fit in places where humans cannot, but they can also withstand heat, chemicals, and other environmental conditions that would endanger a live diver. We can generate detailed inspections and assessments using technology that would otherwise be impossible to obtain.
We can provide more accurate proposals and do a better job of cleaning the spaces because we do a better job of thoroughly evaluating what’s inside a tower or storage tank. As with anything else in life, having the right information from the start makes it easier to complete a task thoroughly and professionally. This makes things safer, faster, and (often) less expensive for our clients.
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1305 W 11th St #4087 Houston, TX 77008 USA
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