The procedure of dry-docking refers to when a vessel is required to the service backyard as well as offered dry land so that immersed portions of the hull can be cleansed and examined. This job is both preventative along with a governing demand within the market. When used acquired vessels schedule for dry-docking, they are rebranded as well as examined to satisfy all Teekay requirements.
At Teekay, vessels are set up for Cold Layup Malaysia as soon as every 5 years, with intermediate surveys happening in between. Once the vessels are returned right into service, they are a lot more eco-friendly and also fuel-efficient. At its core, the process of dry-docking is about our commitment to Functional Management and our pledge to operate the most effective ships in the sector.
If the world of Cold Layup Malaysia had one moto, it would certainly be “strategy, plan, plan as well as plan some more.”
In 2015, the Teekay Tankers team completed the largest dry-docking program to day, efficiently refining 17 vessels over the course of 382 days of service time. The procedure itself calls for mindful preparation as well as preparation. Every min detail needs to be considered when undertaking a significant job such as the dry-docking of a vessel– as well as much more so when trying to coordinate 17 of them in a year.
So what does the real Cold Layup Malaysia procedure involve? Allow’s look:
Arrival at Backyard and also Entering the Dry-dock
After finishing all required preparatory work, the vessel gets to the shipyard. On completion of port formalities, the vessel proceeds to the dry-dock with aid from tug boats and also shipyard employees. Before this, the blocks are organized by the shipyards based on each vessel’s certain docking plan.
Pumping Down the Dock as well as Vessel “Taking” the Blocks
The water is drained pipes from the Cold Layup Malaysia (normally overnight) over the course of concerning 8 to ten hours, depending on the dimension of the vessel. Prior to the vessel is rested on the block, specialized dive teams ensure the block structures are in the correct place.
Varying the Cables
The cords (or anchor chains) are varied on the dock base once the dock is dry. Anchors as well as cables are after that inspected and determined to identify the quality/ problem and faulty components are fixed or replaced as needed.
The hull paint contains washing, blowing up and also painting of the vessel and also is just one of the primary reasons for dry-docking, as it ensures reliable vessel procedures for the next 5 years. After extended durations of cruising and solution, it is not uncommon for aquatic growth such as algae or scum to accumulate on the sides of the vessel. This accumulation has a direct effect on the effectiveness of the vessel and inevitably brings about higher fuel consumption.
Shipyard employees use (fresh water) high-pressure washing machines to eliminate marine development and also chlorides from the ship side.
Blasting is done mostly to get rid of corrosion or faulty paint from the ship side. Depending upon the requirement of each vessel, blasting might be localized or performed along the whole side of the vessel. In this procedure, old paint in the defective areas is eliminated entirely to expose the bare steel.
When the blasting is completed, the entire vessel is cleaned up and repainted to secure the honesty of the steel as well as stop future corrosion. The undersea side is painted with anti-fouling paint to avoid aquatic growth and makes certain vessel runs close to its original design rate and also fuel intake.
Opening Sea Chests as well as Overhaul of Sea Valves
The sea chest is a recess in the hull of the ship that provides intake of sea water for the cooling systems in the engine room. This area is opened during the dry-docking procedure for cleaning, examining as well as paint. At the same time, all ship-side sea valves are inspected as well as revamped as called for.
Necessary Services as well as Maintenance
Throughout this period, teams take the opportunity to bring our upkeep work with engines, pumps, storage tanks as well as cargo rooms as required. Repair services on the tail, propeller or shafting are made if any kind of issues are determined.
Swamping the Dock
Besides planned work has been adequately finished, the dock is flooded and also gotten ready for the vessel’s departure.
Departure and Tests
The vessel is pulled out of the dry-dock with the assistance of yanks and shipyard employees. As soon as the vessel reaches a risk-free anchorage location, sea trails are accomplished to confirm the operation of all ship’s machinery. On completion of sea trials, the vessel is commissioned back right into service.
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