Alternatively, an ROV can also quickly be deployed alongside a diver to monitor their status as a method of communication with the topside team or provide sonar imaging through turbid conditions. The vehicle can also be equipped with accessories for simple mechanical work, cleaning, or water analysis to minimise required diver tasks. Underwater ROVs can quickly and safely provide real-time pre-dive checks to provide critical information relating to dangerous work environments. Drowning, equipment malfunction, and becoming trapped or crushed are other common causes. Averaging over one death per month, this places commercial diving as the most dangerous industry during the time of study.ĭifferential Water Pressure (Delta P) has become a growing concern for dive teams in the hydropower space after it has been identified as the cause of death for one in four diving fatalities. Even against best efforts and precautions, whenever humans enter the water, accidents can happen.Īccording to a 2016 analysis of fatal accidents in the commercial diving sector , over the past 40 years there have been 577 recorded fatalities in commercial diving, occurring at a rate in the US of 181 per 100,000. If initial inspection uncovers a potential issue, divers may be required to enter the water. ROVs from Deep Trekker have been used by OPG, Duke Energy, Hydro Quebec, and TVA to safely inspect runners, penstocks, submerged pipes, and transmission lines without the burden of dewatering. Deep Trekker ROVs’ compact yet rugged design allows them to navigate through complex confined spaces without putting divers at risk or stopping operations to dewater. Dewatering and scaffolding are extremely expensive and costly in terms of time and resources. Traditionally, inspections of hydroelectric turbines or water passages would have required a dewatering process for safety and access. What are the advantages of using ROVs in hydroelectric inspections? Integration with high quality multibeam imaging sonars like the M3000D allow the ROV to see even in zero visibility conditions. The PIVOT and REVOLUTION are both equipped with six powerful, magnetically coupled thrusters which enable lateral and vertical movements, as well as tilting tool platforms for add-ons like positioning systems, dissolved oxygen sensors, or sonars. Deep Trekker also offers the PIVOT and REVOLUTION ROVswhich provide superior power and stability through currents and their advanced stabilisation systems allow for the integration of a wide variety of sophisticated inspection equipment. This compact machine offers HD photo and video at an approachable price point for operations that are just beginning their work with submersible robotics. ![]() ![]() Based in Ontario, Canada, the company offers three different ROV models to perform a variety of hydropower plant inspections.ĭeep Trekker’s DTG3 is an effective tool for quick inspections through low current conditions and confined spaces. Deep Trekker explains how remote operated vehicles can help improve diver safety during underwater inspections within the hydropower industry.įor over a decade remote operated vehicle (ROV) manufacturer Deep Trekker, has been specialising in underwater inspections with their line of portable and affordable battery-operated inspection robots.
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