Deep Trekker Remotely Operated Vehicles (ROVs) are tethered underwater drones that can provide HD video, sonar imagery, and more to help assess structures such as intakes, walls, turbines, and more.
Divers are commonly used for the regular inspection work of underwater infrastructure in hydroelectric plants. While effective, diver inspections in the confined, dark and murky environments of energy plants can be incredibly dangerous.
"In this instance, costs and safety were the two driving factors. With regards to safety it was the human factor, there was no radiation and no work protection involved for shutting down the systems."