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Truck loading dock with overhead door, dock leveler, dock seals, canopy, indicator lights, and truck restraint system. In order to facilitate material handling, loading docks may be equipped with the following: [1] Bumpers – protect the dock from truck damage, may also be used as a guide by the truck driver when backing up.
The operator runs the trolley over the ship to lift the cargo, usually containers. Once the spreader locks onto the container, the container is lifted, moved over the dock, and placed on a truck chassis (trailer) to be taken to the storage yard. The crane also lifts containers from chassis on the dock to load them onto the ship.
Mobile Caisson No.2, Birkenhead East Float dock. A large system of interconnected docks may sometimes require individual docks to be drained for maintenance. If the connections between docks are made to a standard size, these may be closed off by caissons. As this need is rare, only a few mobile caissons are needed to support an entire dock system.
A marine loading arm, also known as a mechanical loading arm, loading arm, or MLA is a mechanical arm consisting of articulated steel pipes that connect a tankship such as an oil tanker or chemical tanker to a cargo terminal. Genericized trademarks such as Chiksan (often misspelled Chicksan) are often used to refer to marine loading arms. [2] [3]
The female part of the connector is the 7×7× 4 + 1 ⁄ 2 in (180×180×110 mm) corner casting, which forms each of the eight corners, welded to the container itself, and has no moving parts, only an oval hole in the tops of the four upper corners, and in the bottom of the four lower corners.
A semi-tractor hauling a bare chassis 40 foot container on a 40 foot container chassis. A container chassis, also called intermodal chassis or skeletal trailer, is a type of semi-trailer designed to securely carry an intermodal container.
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A failure of the lock gates—for example, caused by a runaway ship hitting a gate—could unleash a flood on the lands downstream of the locks, as the lake above the locks (Gatun Lake or Miraflores Lake) drains through the lock system. Extra precaution against this is provided by doubling the gates at both ends of the upper chamber in each ...