lesson 2 general arrangement plan. depicts the division and arrangement of the ship side view plan...
TRANSCRIPT
General Arrangement Plandepicts 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)
location of bulkheads
location and arrangement of superstructure
parts of the equipment (winches, loading gear, bow thruster, life boats)
Basic data included in the GAP:
dimensions
volumes of the holds
tonnage
deadweight
engine power
speed
class
a. upper deck or main deckb. forecastlec. tweendeckd. tanktope. upper hold and lower holdf. peak tankg. chain lockerh. bosun’s lockeri. collision bulkheadsj. engine roomk. steering machineryl. double bottomm. cofferdamsn. superstructure
a. Upper deck or main deckthe 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
f. Peak tankforemost and aftermost spaces of the
vesselserve as storage spaces for ballast watercapable of absorbing part of the impact
forces that are released in case of a collision
i. Collision bulkheads foremost major watertight bulkhead prevent the vessel from flooding in case of
collision with another vesselfireproof
j. Engine roomon a large percentage of vessels engine
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
l. Double bottomprovides strength and storage space for
fuel, lubricating oil, fresh water, salt (ballast) water and potable water
m. Cofferdamsempty spaces / longitudinal and transverse
separations between tanks prevent leaking of liquids from one double
bottom tank into another