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How a Container Terminal Works

As a followup to the ShipSpotting 101 post on Container vessels, A look at how the Container terminal operates was in order. The process here applies to both terminals in Halifax.

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Loading and Unloading trucks and railcars is known as working the terminal.Once the train arrives, the locks holding the Containers together must be released. this is done by a guy on a platform on the back of a truck. they unlock one side of the train, then flip to the other side and release it.

In this Case, a Toplift picks up the container, and backs up. a yard tractor advances, and the container is placed on a Chassis. The yard tractor then takes the container to its appointed block. Someone then removes the locks from the top of the bottom container still in the rail car.

Each block is sorted by ship, so all containers destined for a vessel go to the appointed blocks. Once there, another toplift picks up the container and adds it to the stack. the container will then dwell here until the appointed ship arrives. Similarly, outgoing containers will dwell in a stack until they can be loaded onto a train or truck. Halifax Dwell time is less then 2 days.

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Outside the terminal group, there is a lashing force, and a number of crane units. These handle containers on and off the ship.

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The lashing force has the task of releasing locks, and removing the lashings used to secure the container stacks on deck. The locks are released by pulling on a tail on the lock with a long pole. the locks release the top container from the one below it, and remain inserted in the bottom of the container. a team stationed at the brow of the ship, removes the locks as the yard tractor brings the container around.

Deck containers sit on hatch covers – which they are locked to. however the hatch covers are not held down. the lashing rods help stabilize the stack and secure it and the hatch cover to the deck. In the photo above, the platform is the hatch cover itself, and you can see the lashings securing the stack to the catwalk. bellow is a look down one of the catwalks. The rods are inserted on an angle into the containers, then the bottom is placed in a turnbuckle (AKA a Bottle) and tightened.

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Each hatch is identified by 3 numbers. the Middle number is used if 40′ containers are used. the two side numbers are used if there are two 20′ containers on the hatch. In other words, you can have a 40′ in row 21, or a 20′ in row 20, and a 20′ in row 22. containers longer then 40′ go on top of the stacks, and over hang the walkways between stacks. (Some vessels, Such as Oceanex Sanderling, have deck positions for 53′ containers) Containers below the hatch covers are held in place by guides – so there are no lashings or locks to be undone. below we are looking into one of the holds. its 9 containers deep.
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Each crane unit Consists of the equipment and men required to run one crane and Supply it with containers. Besides the crane itself, it consists of yard gantry’s and top lifts, as well as 5 yard tractors. ideally each crane unit moves 30 containers an hour.

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Containers are sorted on ship by destination. So all containers destined for Halifax will be located in only a few stacks. when loading, the containers get placed based on their destination. As Containers come off a checker in the crane records the serial number and indicates which block in the yard it should be placed in. the Crane pulls a container off ship, places it on a yard tractor, the yard tractor takes it to the appointed block, Stoping at the brow to have the locks removed,  and a toplift or yard gantry removes it and adds it to the stack. Loading the process works in reverse

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Last Nights Departures

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ZIM Monaco (Above) sailed from Pier 41 for New York, Shortly after ZIM New York (Below) sailed from Pier 42 for Kingston, Jamaica. Wednesdays typically see both ZIM Stops

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Shortly after ZIM New York’s departure, Bahri Hofuf rounded Georges island Outbound from Fairview Cove for Livorno, Italy.

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Also Departing last night were NYK Nebula (Fairview Cove for New York), CSL Tacoma (From National Gypsum), and Grandeur of the Seas (Pier 22 for Baltimore)

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Fritz Reuter takes the night off

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Fritz Reuter Sits at pier 42 last night. Running for Melfi lines to Cuba, working the cargo was stopped for the evening, and resumed this morning. Shes expected to sail for Cuba today around noon.

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