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Riley Kooh | November 1st, 2022
The largest of its kind, a work class ROV is a massive vehicle capable of working at depths over 20,000ft. These vehicles require a heavy lift system for deployment into the water, and are generally equipped with multi-function manipulators to complete complex tasks underwater. Their size and power makes it possible for them to retrieve, deploy, or adjust large objects. Work class ROVs are most commonly used for offshore drilling, construction, or pipeline inspection.
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Nine of the most common sample applications include:
Own an ROV? Let us Know What You Find it Most Useful For!
Using the underwater drone dive teams can accurately and efficiently check for any underwater risks. Protruding branches or wires that divers could get snagged on can be identified in advance to prevent incidents. Varying water conditions or other nearby hazards can be spotted easily, allowing teams to enter the water prepared.
Furthermore, the ROV pre-check provides users with a lay of the land. Divers can get their bearings before they even enter the water. Operators can also look for potentially hazardous or confined spaces to avoid or plan for.
Deep Trekker’s battery powered and easily deployed ROVs are quick and easy to use - providing dive teams with a reliable way to confirm the safety of their mission.
By gathering a complete understanding of the task at hand, dive teams are well-equipped to provide clients with reliable information and accurate quotes to ensure exceptional service.
Diver safety can be optimized with the use of an ROV during the dive as well. By monitoring divers from the topside, operators can ensure safety and security for divers. Those topside can ensure that divers are safe and follow safety protocols. Real-time video observation allows any issues to be caught immediately with immediate emergency assistance if necessary. Whether open water or confined spaces, real time monitoring is incredibly beneficial for scuba diving safety.
Commercial diving companies can show the video to their clients to demonstrate their valuable and important work. Recorded video also provides concrete proof of the work completed, work that can otherwise be difficult to demonstrate. Add value to your business by providing high quality service reports.
Divers can also evaluate dives to determine where operations and efficiency could be improved in order to maximize their job performance. Recorded videos can be used for training purposes at both dive centers and commercial diving companies to demonstrate specific diving procedures for students.
Companies can also use the video recorded from the ROV to create a historical directory of diving content for marketing, documentation and review purposes.
Diver education is absolutely paramount when it comes to safety, making the use of an underwater ROV to enhance diver training incredibly relevant. By using an ROV to capture underwater footage of previous dives, students can improve their knowledge retention and gain experience through firsthand footage. Adding an ROV to open water dive training furthers safety by allowing crew onboard the vessel to monitor what is taking place underwater. Instructors can also bring the ROV underwater with them during both confined and open water dives to capture footage of their divers for feedback and corrective suggestions.
Their team performs tasks for clients with a very broad range of assets including; marinas, municipalities, oil and gas sector, wharfs, docks, potable water systems, seawater desalination plants, jetties, pontoons, bridges, walls and dams, pipelines, water tanks, mines, hulls of ships, underwater structures and eco marine environments.
“The DTG3 has totally changed our day to day operations of our company,” exclaimed Dewald. “We have used the DTG3 for several jobs such as initial dive site inspections, potable water reservoir inspections, soil/water samples for analysis, and dive support for our commercial divers and our commercial diving projects. Everything about this unit has truly blown us away at Ven-Tech Subsea, it's truly a must have tool to add and to have for any commercial diving company.”
The DTG3 is well suited to working with commercial dive teams. From pre and post dive evaluations to dive monitoring to taking on jobs in dangerous conditions, the DTG3 is a versatile tool for divers.
“Before we had the DTG3 we were using a previous ROV that was extremely bulky, slow in the water and slow to deploy. It was hard to control and needed a minimum of 2 people to operate,” said Dewald. “The DTG3 solved all of these problems for us and allowed us to properly use a ROV. We use all of its advantages on a day-to-day basis, where in the past we only used our old ROV on special occasions because of all the downsides of using a unit of that size.”
Diver safety is paramount. Utilizing the DTG3, the Ven-Tech Subsea Inspections team can ensure that dive sites are thoroughly vetted and deemed safe for human divers. In addition to inspecting sites and planning dives, the DTG3 can be used for visual inspection in situations where it is too dangerous for a person to enter the water. “Obviously one of the big advantages with this ROV is that we are able to deploy it in almost any condition or environment,” Dewald said. “We can have it do an inspection in an area that would be dangerous to send a human being into such as deep water, pipe penetrations and hazardous environments that have Delta-P (differential pressure)in the area. The DTG3 totally takes the safety issue out of the equation.”
The DTG3 was designed to be portable and easy to deploy. At 8.5kg (18.7lbs) the ROV is easy to transport to a variety of jobs. Battery tubes under 100 whr also allow for transport on both passenger and cargo aircraft. This ease of transportation allows dive teams, like Ven-Tech Subsea Inspections, to maximize their travel budgets.
“Another thing that we really liked about the ROV is the fact that everything you need for the ROV fits in one pelican case for transport. This has saved us tremendously on long trips where we have to book flights and pay additional money for the additional cargo that we fly with. But with the DTG3 this has cut away that additional financial expense on extra cargo,” Dewald explained.
The use of an ROV has also allowed the Ven-Tech Subsea Inspections team to maximize their budget in terms of employees needed on each job site. “We only have to send out one ROV pilot to do a job instead of the usual 2-3 man crew we sent out in the past with our old bulky ROV. This has saved a lot of money for our clients,” shared Dewald.
Finally, the quick deployment of the DTG3 allows the Ven-Tech Subsea Inspection team to make the most of their time to optimize efficiencies.“In the past it would have taken about 30 to 60 minutes to get a dive station set up and to get a diver in the water to do a quick inspection,” noted Dewald. “With the DTG3 we are able to deploy the ROV within two minutes which has saved so much time and money, not only for us but for our clients as well.”
The integrated camera + grabber arm is capable of rotating up to 260 degrees. A favorite feature of many operators is the integration of different tools like imaging sonars into this platform. Unlike other ROVs which rely on adjusting the orientation of the vehicle, the REVOLUTION can sweep sonars, manipulator tools, thickness gauges, and more for the perfect approach angle without complicated control requirements.
The camera and tool platform on the PIVOT operate on separate rotating fields. With the camera being capable of rotating up to 220 degrees for a wide viewing range to complete a multitude of tasks. The 97 degree rotating tool platform gives pilots the advantage of flexible imaging options and convenient tool manipulation from a stable position. Due to its similarities in control and stability to the REVOLUTION, the PIVOT also provides excellent performance with USBLs, DVLs and Imaging Sonars.
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