The process of dry-docking refers to when a vessel is required to the service backyard and gave dry land to ensure that submerged parts of the hull can be cleansed and inspected. This job is both preventative in addition to a regulative need within the sector. When second-hand bought vessels are due for dry-docking, they are rebranded as well as evaluated to meet all Teekay requirements.
At Teekay, vessels are scheduled for dry-docking when every five years, with intermediate studies happening in between. As soon as the vessels are returned right into service, they are more eco-friendly and fuel-efficient. At its core, the procedure of dry-docking is about our commitment to Operational Management and also our pledge to operate the best ships in the sector.
If the world of dry-docking had one moto, it would certainly be “strategy, strategy, plan as well as intend some even more.”
In 2015, the Teekay Tankers team completed the biggest dry-docking program to date, effectively processing 17 vessels throughout 382 days of service time. The procedure itself needs careful planning as well as preparation. Every min detail requires to be taken into account when carrying out a significant task such as the dry-docking of a vessel– and much more so when trying to collaborate 17 of them in a year.
So what does the actual dry-docking process involve? Let’s look:
Arrival at Yard and also Entering the Dry-dock
After finishing all essential preparatory job, the vessel arrives at the Ship Maintenance Malaysia. On conclusion of port formalities, the vessel continues to the dry-dock with aid from yank watercrafts as well as shipyard workers. Prior to this, the blocks are set up by the shipyards as per each vessel’s details docking strategy.
Pumping Down the Dock and also Vessel “Taking” the Blocks
The water is drained pipes from the dry-dock (generally over night) throughout regarding 8 to ten hrs, relying on the size of the vessel. Prior to the vessel is rested on the block, specialized dive teams ensure the block structures remain in the appropriate location.
Ranging the Cables
The wires (or support chains) are ranged on the dock base once the dock is dry. Supports and cable televisions are then evaluated and also determined to establish the top quality/ problem and also faulty components are repaired or changed as called for.
The hull painting consists of washing, blasting as well as painting of the vessel and also is just one of the primary factors for dry-docking, as it makes certain reliable vessel procedures for the following 5 years. After prolonged periods of cruising and also solution, it is not uncommon for marine development such as algae or scum to develop on the sides of the vessel. This buildup has a straight impact on the effectiveness of the vessel and inevitably results in greater fuel consumption.
Shipyard workers utilize (fresh water) high-pressure washers to eliminate marine growth as well as chlorides from the ship side.
Blowing up is done largely to eliminate corrosion or faulty paint from the ship side. Relying on the need of each vessel, blowing up may be local or performed along the entire side of the vessel. In this process, old paint in the faulty locations is eliminated completely to reveal the bare steel.
When the blasting is completed, the entire vessel is cleansed as well as painted to protect the integrity of the steel and prevent future rust. The underwater side is painted with anti-fouling paint to prevent aquatic development and ensures vessel runs near its initial style speed and fuel usage.
Opening Sea Chests and also Overhaul of Sea Valves
The sea upper body is a recess in the hull of the ship that gives consumption of sea water for the cooling systems in the engine space. This area is opened throughout the dry-docking process for cleansing, checking as well as painting. At the same time, all ship-side sea shutoffs are inspected and revamped as needed.
Required Fixes as well as Maintenance
Throughout this period, groups seize the day to lug our maintenance deal with engines, pumps, tanks as well as cargo rooms as needed. Repairs on the rudder, propeller or shafting are made if any type of defects are determined.
Flooding the Dock
After all prepared work has actually been sufficiently completed, the dock is flooded and also gotten ready for the vessel’s departure.
Departure as well as Trials
The vessel is pulled out of the dry-dock with the assistance of pulls and also shipyard employees. As soon as the vessel gets to a safe anchorage area, sea trails are executed to verify the operation of all ship’s machinery. On completion of sea trials, the vessel is appointed back into solution.
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