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General Arrangement Plan

General Arrangement Plan. Lesson 2. General Arrangement Plan. depicts the division and arrangement of the ship. side view. plan views of the most important decks. cross-sections. The views and sections display:. division into compartments (tanks, engine room, holds).

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General Arrangement Plan

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  1. General Arrangement Plan Lesson 2

  2. General Arrangement Plan • depicts the division and arrangement of the ship • side view • plan views of the most important decks • cross-sections

  3. The views and sections display: • division into compartments (tanks, engine room, holds) • location of bulkheads • location and arrangement of superstructure • parts of the equipment (winches, loading gear, bow thruster, life boats)

  4. Basic data included in the GAP: • dimensions • volumes of the holds • tonnage • deadweight • engine power • speed • class

  5. a. upper deck or main deck b. forecastle c. tweendeck d. tanktop e. upper hold and lower hold f. peak tank g. chain locker h. bosun’s locker i. collision bulkheads j. engine room k. steering machinery l. double bottom m. cofferdams n. superstructure

  6. a. Upper deck or main deck • the principal deck of a vessel; in some ships the highest deck of the hull, usually but not always the weather deck; in sailing warships often a deck under the upper deck

  7. b. Forecastle • foremost part of the upper deck • usually raised above the main deck

  8. c. Tweendeck • space between decks – intermediate deck • divides the vessel into separate holds

  9. d. Tanktop • inside bottom of the vessel • the plating forming the inner bottom of a ship hull

  10. e. Upper hold / Lower hold • spaces that contain the cargoes

  11. f. Peak tank • foremost and aftermost spaces of the vessel • serve as storage spaces for ballast water • capable of absorbing part of the impact forces that are released in case of a collision

  12. g. Chain locker • storage for anchor chain

  13. h. Bosun’s locker • = Boatswain’s locker • serves as storage for ropes, paint and dunnage

  14. i. Collision bulkheads • foremost major watertight bulkhead • prevent the vessel from flooding in case of collision with another vessel • fireproof

  15. j. Engine room • = machinery space • watertight compartment • situated over the after peaktank • houses the main and auxiliary machinery

  16. j. Engine room • on a large percentage of vesselsengine room is located near the bottom, and at the aft • usually comprises few compartments - this design maximizes the cargo carrying capacity of the vessel and situates the prime mover close to the propeller, minimizing equipment cost and problems posed from long shaft lines

  17. k. Steering machinery • gives the power for moving the rudder

  18. l. Double bottom • provides strength and storage space for fuel, lubricating oil, fresh water, salt (ballast) water and potable water

  19. m. Cofferdams • empty spaces / longitudinal and transverse separations between tanks • prevent leaking of liquids from one double bottom tank into another

  20. n. Superstructure • accommodation for the crew and passengers • messroom, galley, pantry

  21. Shipboardterminology for positionin a ship • COLLOQUIAL TERM M.E. TERM • fore endforward • afterendaft • midshipspartamidships • right side starboard s. • left side port s. • infrontofbefore / forwardof • behindabaft / aftof • across (theship) athwartships • fromstem to stern fore andaft

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