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VESSELS USED FOR THE TRANSPORTATION OF CARGO AND/OR PASSENGERS. GENERAL CARGO CARRIER. The purpose she serves: To carry packed cargo in boxes, crates or bags or coming in pieces (unpacked cargo items) Loading/discharging: - vessel’s derricks or shore-based cranes Feature(s) of design:
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VESSELS USED FOR THE TRANSPORTATION OF CARGO AND/OR PASSENGERS
GENERAL CARGO CARRIER The purpose she serves: • To carry packed cargo in boxes, crates or bags or coming in pieces (unpacked cargo items) Loading/discharging: - vessel’s derricks or shore-based cranes Feature(s) of design: • Derricks • Tweendecks • “open freighter”
DRY BULK CARRIER The purpose she serves: • To carry dry bulk cargo (unpacked cargo of one commodity) Loading/discharging: - Cranes with grabs or pumps Feature(s) of design: • Holds are divided into compartments (stability) • Self-trimming holds (rolling circumstances, list)
TANKER The purpose she serves: • To carry liquid cargo (crude oil, petroleum, edible oils, etc.). • Chemical tankers (chemicals) • LNG carriers (liquified natural gas) • LPG carrier (liquified petroleum gas) Loading/discharging: - Flexible pipes (in the offing) Feature(s) of design: • Double bottoms and hulls • Divided into compartments by bulkheads • Cofferdams (pump rooms)
CONTAINER SHIP The purpose she serves: • To carry containerized cargo (general, liquid, refrigerated) Loading/discharging: - shore-based cranes Feature(s) of design: • Cells (rows, bays, tiers) • Gantry cranes
RO/RO SHIP The purpose she serves: • To carry wheeled cargo Loading/discharging: - Cargo is rolled on and rolled off Feature(s) of design: • No cargo handling equipment (tow trucks) • Ramps (bow and stern doors)
COASTER The purpose she serves: • To carry cargo along the coast or on sea voyages Loading/discharging: - / Feature(s) of design: • Engine room is aft • No tweendecks • No bulkheads • Broad hatches • Transverse strengthening
REEFER The purpose she serves: • To carry perishable cargoes (meat, fruit). Loading/discharging: - / Feature(s) of design: • Temperature and humidity controls • Refrigerating plants
LASH-VESSEL The purpose she serves: • To carry lighters (floating containers) Loading/discharging: • vessel’s heavy derricks • Submerging, loading, emerging Feature(s) of design: • Flat main deck with no obstacles • Derricks or pumping system to load/discharge lighters
HEAVY LOAD VESSEL The purpose she serves: • To lift and carry extremely heavy cargoes on the main deck (drilling platforms, engines, yachts, trains, etc.) Loading/discharging: • vessel’s heavy derricks • Submerging, loading, emerging Feature(s) of design: • Heavy derricks (booms), masts and lifting blocks • Flat main deck • Powerful pumping system
TIMBER CARRIER The purpose she serves: • To carry timber Feature(s) of design: • Tall derricks • Timber load-line
MULTI-PURPOSE (MULTI-LOAD) VESSEL The purpose she serves: • To carry general cargo, bulk cargo and containerized cargo (e.g., OBO) Feature(s) of design: • Variety of cargo handling gears • Subdivided into compartments