underwater repair Articles

  • Rocky reach spillway apron underwater concrete repair - Case Study

    We were contracted to preform an underwater concrete repair to the spillway baffle under spill gate 3, and preform an inspection of the spill way and dentate from spillway 2-8 and 9-12. The spillway was separated into two sections by a fish ladder between Bays 8 and 9. The perimeter of the eroded areas were delineated using an U/W track creating a key way, ensuring a minimum depth of repair, ...

  • Underwater Bridge Inspections – Drones Conducting Remote Evaluations

    Deep Trekker Remotely Operated Vehicles (ROV), or underwater drones, are establishing themselves as the ideal tool for underwater bridge inspections. It goes without saying that the structural integrity of a bridge is extremely important; after all, you’re only either walking, driving, or riding a train across it. With the public safety in mind and to continue the flow of traffic, these ...


    By Deep Trekker Inc.

  • Water Treatment Plant: Benefits of Underwater Cameras

    Before fresh water can be made safe for human consumption it must go through a treatment process eliminating bacteria and any other elements deemed unsafe to drink. How does such a process occur and why is it relevant to us? We’ve written about the use of Deep Trekker remotely operated vehicles and pipe crawler systems in storm water systems, sanitation pipes, and water storage basins. A ...


    By Deep Trekker Inc.

  • ROV Inspections of Water Towers: Underwater Drone Used to Save Diver’s Time

    Mountain West Commercial Diving currently uses their Deep Trekker underwater drone to conduct ROV inspections or potable water towers. Aim to exceed the client’s expectation while adhering the highest standards in industry compliance and safety; that is the goal of Mountain West Commercial Diving (MWCD). Based out of Hazelton, Idaho, MWCD has over 25 years of experience in successfully ...


    By Deep Trekker Inc.

  • Preventing sinkholes: avoiding costly repairs

    Examining the causes of sinkholes and how Deep Trekker is aiding in preventing costly repairs and unwarranted closures. When it comes to preventing sinkholes, we must first understand how and why they appear. Armed with this knowledge, we can then take proper action to thwart the sudden appearances of these, costly craters. Sinkholes slowly develop over time in and around areas ...


    By Deep Trekker Inc.

  • Company Introduces New Pipe Repair Products

    InduMar Products, Inc., based in Houston Texas, celebrates twenty years of providing pipe repair and rehabilitation solutions to their industrial and marine customers. Well known for their versatile STOP IT® Pipe Repair System the Company also takes pride in offering custom solutions for many pipe leak, reinforcement and corrosion problems. The combination of sealant development and ...


    By InduMar Products, Inc.

  • How to Repair Pipes Quickly with Minimal Service Disruption

    If this has not yet happened to you, it will. The time is 5:30 a.m. and your guests are just beginning to wake when you get an emergency call informing you that a pipe has sprung a leak. What are your options? Will you shut down the water for a few hours, leaving your guests without water to brush their teeth, take their showers, or flush the commodes while you cut out and replace the bad ...


    By InduMar Products, Inc.

  • 40″ Cold Water Intake Pipe Repair - Case Study

    Global’s Cougar and Falcon ROV systems were mobilized to Hawaii to facilitate repairs on the 40” coldwater pipeline transition section in 500 feet of water off of Keahole Point on the island of Hawaii for the Natural Energy Laboratory of Hawaii Authority (NELHA). ...

  • T-46 Fender Pile Repair Project - Case Study

    Seattle’s most extensive current civil works project, the Alaskan Way Viaduct replacement tunnel, is being constructed using the world’s largest tunnel boring machine ‘Bertha’. Due to the proximity of the construction site to the waterfront, the dirt and rock spoils from this effort are transported via conveyor belt to Pier 46. From there it is loaded onto barges for ...

  • Monitor Hull Corrosion with Thickness Gauge

    After our recent article about inspecting your hull paint to reduce bio-fouling and acting as an anti-corrosion method, we wanted to delve deeper into one of the biggest problems shipowners and operators face: corrosion. ...


    By Deep Trekker Inc.

  • Q&A: A look at Shell Oil and Arctic offshore drilling

    Shell Oil drill vessels are heading to the Arctic. But they will not be permitted to drill into petroleum-bearing rock until a key piece of blowout response equipment, a capping stack, is on site. The capping stack is carried on the icebreaker Fennica, which arrived early Saturday for repairs in Portland, Oregon. Arctic offshore drilling opponents plan to demonstrate while the Fennica is ...


    By Associated Press

  • Water Quality & Treatment Centers

    A look at the quality of water and the importance of inspecting the integrity of water treatment centers. Water…clear…cold…refreshing. It’s often your “go-to” beverage for quenching thirst after a vigorous activity. We are very fortunate that often within arm’s reach, rests a glass of water. Without hesitation or worry, you can pick it ...


    By Deep Trekker Inc.

  • Divers install eccentric plug valve in reservoir tunnel

    A team of specialist divers – working in a cramped, water-filled tunnel 20 metres beneath the surface of a reservoir – has just completed installation of an eccentric plug valve to control water flow.The valve and associated equipment has been supplied to United Utilities by Viking Johnson (http://www.vikingjohnson.com), a world leader in the supply of pipe joints ...


    By Viking Johnson

  • Ocean science for sustainable development: Facts and figures

    Sarah Grimes explores why we need good ocean monitoring, how to get it, and why it still fails Small Island Developing States. Oceans are a critically important component of the Earth system, supporting ecosystem and human health. They regulate the weather and climate; are essential for producing freshwater; and soak up ...


    By SciDev.Net

  • Importance of Inspecting Reservoirs

    Inspecting Reservoirs – what is the importance of them, why they are inspected, and how ROVs help pave the way for low-cost, regular maintenance. What is a Reservoir? Deriving from the French word réservoir meaning “storehouse,” a reservoir is exactly that – a storage place for water. More often than not, these bodies of water are ...


    By Deep Trekker Inc.

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