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Six large cargo hatch covers on a capesize bulk carrier ship as she approaches the Egyptian-Japanese Friendship Bridge. A cargo hatch or deck hatch or hatchway is type of door used on ships and boats to cover the opening to the cargo hold or other lower part of the ship. To make the cargo hold waterproof, most cargo holds have cargo hatch.
A bulk carrier or bulker is a merchant ship specially designed to transport unpackaged bulk cargo—such as grain, coal, ore, steel coils, and cement—in its cargo holds. Since the first specialized bulk carrier was built in 1852, economic forces have led to increased size and sophistication of these ships.
The open hatch bulk carrier, often referred to as OHBC or conbulker, is designed to offer direct access to the hold through cargo hatches which extend the full width of the vessel. As a result, large cargo units can be lowered into place. If it is possible, the holds or hatches are designed around standard cargo unit sizes.
An ore-bulk-oil carrier, also known as combination carrier or OBO, is a ship designed to be capable of carrying wet or dry cargoes. The idea is to reduce the number of empty ( ballast ) voyages, in which large ships only carry a cargo one way and return empty for another.
A bulk carrier is a ship used to transport bulk cargo items such as iron ore, bauxite, coal, cement, grain and similar cargo. Bulk carriers can be recognized by large box-like hatches on deck, designed to slide outboard or fold fore-and-aft to enable access for loading or discharging cargo. The dimensions of bulk carriers are often determined ...
This is the area of the open cargo hold. [8] Hopper barges are usually of double-hull construction. This means that the sides and bottom of the cargo hold are separated from the hull by void spaces. [9] This is done because the hopper barge has to resist heavy external impacts, as well as the heavy blows of unloading buckets into it.
Crushed, asphyxiated or fallen overboard: Synergy Marine, manager of ship involved in Key Bridge collapse, had multiple fatal incidents since 2019.
Cargo holds are box shaped to fit containers and some holds can be equipped with tweendecks to improve flexibility of cargo mixture in same hold. Holds are typically equipped with dehumidifier for sensitive cargo. Cargo hatch covers for holds are opened and closed by mean of gantry crane. Space on those hatch covers can also be used to carry ...