The process of dry-docking describes when a vessel is required to the service backyard and also offered dry land so that submerged portions of the hull can be cleaned up and also inspected. This work is both preventative along with a regulative requirement within the market. When used acquired vessels schedule for dry-docking, they are rebranded as well as analyzed to meet all Teekay requirements.
At Teekay, vessels are scheduled for dry-docking once every 5 years, with intermediate studies happening in between. As soon as the vessels are returned into service, they are more environmentally friendly and also fuel-efficient. At its core, the process of dry-docking has to do with our commitment to Operational Management and also our pledge to run the most effective Shipyard In Malaysia in the market.
If the globe of dry-docking had one moto, it would certainly be “plan, strategy, strategy and also intend some even more.”
In 2015, the Teekay Tankers group finished the largest dry-docking program to date, efficiently refining 17 vessels throughout 382 days of service time. The procedure itself needs careful preparation and prep work. Every minute information needs to be taken into account when carrying out a major job such as the dry-docking of a vessel– and also much more so when trying to work with 17 of them in a year.
So what does the actual dry-docking procedure require? Allow’s take a look:
Arrival at Lawn and Entering the Dry-dock
After completing all needed primary job, the vessel reaches the Shipyard In Malaysia. On conclusion of port procedures, the vessel proceeds to the dry-dock with aid from yank boats and shipyard workers. Before this, the blocks are organized by the shipyards based on each vessel’s certain docking plan.
Pumping Down the Dock and Vessel “Taking” the Blocks
The water is drained pipes from the dry-dock (usually over night) throughout regarding eight to ten hours, depending on the dimension of the vessel. Before the vessel is hinged on the block, specialized dive teams guarantee the block structures remain in the proper place.
Ranging the Cables
The cable televisions (or anchor chains) are varied on the dock base once the dock is completely dry. Anchors as well as cables are then inspected and measured to figure out the quality/ problem and faulty components are fixed or replaced as needed.
The hull paint contains cleaning, blowing up and paint of the vessel as well as is just one of the main reasons for dry-docking, as it guarantees reliable vessel operations for the following 5 years. After extended periods of sailing and also service, it is not unusual for aquatic growth such as algae or sludge to build up on the sides of the vessel. This build-up has a straight effect on the efficiency of the vessel and also ultimately leads to higher fuel usage.
Blasting is done mainly to get rid of corrosion or defective paint from the Shipyard In Malaysia side. Relying on the need of each vessel, blasting might be localized or executed along the entire side of the vessel. In this procedure, old paint in the defective areas is eliminated totally to subject the bare steel.
As soon as the blasting is finished, the whole vessel is cleansed and also painted to protect the stability of the steel and avoid future deterioration. The undersea side is repainted with anti-fouling paint to prevent aquatic development and ensures vessel runs near its initial style rate and fuel consumption.
Opening Sea Chests and Overhaul of Sea Valves
The sea upper body is a recess in the hull of the ship that supplies consumption of sea water for the cooling systems in the engine room. This location is opened throughout the dry-docking procedure for cleansing, examining and also painting. At the same time, all ship-side sea shutoffs are inspected and also revamped as called for.
Necessary Repair Works and also Upkeep
Throughout this period, teams take the opportunity to bring our maintenance work on engines, pumps, storage tanks and also cargo areas as needed. Repair work on the tail, propeller or shafting are made if any kind of problems are recognized.
Swamping the Dock
Nevertheless prepared work has been sufficiently completed, the dock is swamped as well as planned for the vessel’s departure.
Separation and Trials
The vessel is lugged out of the dry-dock with the assistance of tugs and shipyard personnel. As soon as the vessel gets to a risk-free anchorage location, sea routes are performed to validate the procedure of all ship’s machinery. On completion of sea trials, the vessel is commissioned back right into solution.
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