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This Concept Map, created with IHMC CmapTools, has information related to: 2008Apr 4 - Juswin Lee, Weather Deck which means The highest deck of the vessel being exposed to weather consisting of a single deck vessel with forecastle, poop and the main deck. It protects the space below the weather with all openings watertight. Camber may also be incorporated on the weather deck to create better drainage of water collected on the deck., Accomodation Deck which means Decks located in the accommodation deck house and area of the ship, especially inside the superstructure which is the living and office areas of the ship., DECKS Consists of Strength Deck, DECKS Consists of Accomodation Deck, DECKS Consists of Weather Deck, Platform Deck which is defined as Very short and found in engine rooms for housing auxiliary engines, pumps, compressors, boilers, etc. Sometimes also found in dry cargo holds but not included in the longitudinal strength calculations., DECKS is being defined as Horizontal plated structure supported by transverse or longitudinal beams, deck girders, webs, bulkheads and ship sides which is dependent on each's location, Strength Deck which implies that A deck which's included in longitudinal strength calculation. Hence a dry cargo ship with many tween decks included in the longitudinal strength calculation are also called strength decks., Perforated Deck which is known as Found in liquid tanks such as the deep, aft and fore peak tanks. It has holes with the size of a manhole on the whole surface of the deck so that liquid can flow through., Deck Openings which is known as Found in both dry and liquid cargo places. It's made as large as possible for loading and discharging cargoes operations. Thicker insert plates are fitted to reduce stress and prevent cracks from developing., DECKS Consists of Platform Deck, Tween Deck which means Dry cargo ships with more than one deck in the cargo holds are known as Tween Deck. It's used to allow better storage of general cargoes and prevent cargoes below from being crushed., DECKS Consists of Deck Openings, DECKS Consists of Tween Deck, Found in both dry and liquid cargo places. It's made as large as possible for loading and discharging cargoes operations. Thicker insert plates are fitted to reduce stress and prevent cracks from developing. shape information Hatch corners are rounded elliptically to reduce stress concentrations. Height of hatch coaming is specified by statutory requirements and at least 600mm when located at the main weather or forecastle deck and 450mm when located at poop and bridge deck level with actual greater heights. Hatch opening for a tanker is made big enough only for man entry. The diameter does not exceed 1000mm and the height also complies with the statutory requirements for dry cargo ships., DECKS Consists of Perforated Deck